Distributed jobs in LondonCrear alertas

We believe in better. And we make it happen. Better content. Better products. And better careers. Working in Tech, Product or Data at Sky is about building the next and the new. From broadband to broadcast, streaming to mobile, SkyQ to Sky Glass, we never stand still. We optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. The Global Streaming Data Platforms (GS-Data) department is leading the way in many areas of data. The department has designed and built a world-leading real time data analytics platform, using the latest cloud and open-source technologies. We stream billions of events each day to enable our partner teams across Sky and Comcast deliver customer-led sophisticated insights and analytics. What you'll do • Design, build, test and maintain software to help integrate and orchestrate the movement of data between critical Data components., • Deliver observable, reliable and secure software, adopting you build it you run it mentality, and focus on automation., • Take an active role in story definition, assisting business collaborators with acceptance criteria., • Work with Principal Engineers and Architects to share and supply to the broader technical vision., • Support and mentor less experienced members of the team. What you'll bring, • Track record of delivering complex, production quality applications., • Strong Scala development experience, preferably in the akka /pekko ecosystem., • Experience working with Docker, Kubernetes and Cloud technologies., • Strong Test Driven Development background, with understanding of levels of testing required to continuously deliver value to production, • Experience with build management and CI systems such as Jenkins, TeamCity or similar, • Delivery experience within an agile environment using Scrum / Kanban methodologies and Pair Programming., • The attitude of leading by example and the willingness to work as part of a team. Team overview Global OTT Technology Our team develops and supports market-leading video streaming services, underpinned by state-of-the-art engineering principles. We do this at huge scale: for over 50 million customers globally, spanning NBCUniversal Peacock in the US and Sky, NOW and SkyShowtime across Europe. No matter the device, the time or the place, we make sure that our diverse audiences can easily find and enjoy whatever they want to watch, choosing from the world's best entertainment, news and sport. The rewards There's one thing people can't stop talking about when it comes to #LifeAtSky: the perks. Here's a taster: • Sky Q, for the TV you love all in one place, • The magic of Sky Glass at an exclusive rate, • A generous pension package, • Private healthcare, • Discounted mobile and broadband, • A wide range of Sky VIP rewards and experiencesInclusion & how you'll work We are a Disability Confident Employer, and welcome and encourage applications from all candidates. We will look to ensure a fair and consistent experience for all, and will make reasonable adjustments to support you where appropriate. Please flag any adjustments you need to your recruiter as early as you can. We've embraced hybrid working and split our time between unique office spaces and the convenience of working from home. You'll find out more about what hybrid working looks like for your role later on in the recruitment process. Your office space Osterley Our Osterley Campus is a 10-minute walk from Syon Lane train station. Or you can hop on one of our free shuttle buses that run to and from Osterley, Gunnersbury, Ealing Broadway and South Ealing tube stations. There are also plenty of bike shelters and showers. On campus, you'll find 13 subsidised restaurants, cafes, and a Waitrose. You can keep in shape at our subsidised gym, catch the latest shows and movies at our cinema, get your car washed, and even get pampered at our beauty salon. We'd love to hear from you Inventive, forward-thinking minds come together to work in Tech, Product and Data at Sky. It's a place where you can explore what if, how far, and what next. But better doesn't stop at what we do, it's how we do it, too. We embrace each other's differences. We support our community and contribute to a sustainable future for our business and the planet. If you believe in better, we'll back you all the way. Just so you know: if your application is successful, we'll ask you to complete a criminal record check. And depending on the role you have applied for and the nature of any convictions you may have, we might have to withdraw the offer.

Senior Mapping Engineer (Large-Scale HD Mapping) — First Key Hire Circa £80k+, London based Want to work for an advanced start up building real-world autonomous systems? We’re looking for a highly skilled Senior Mapping Engineer to become the first dedicated mapping lead. This is a high-ownership role where you’ll take charge of the high-accuracy, large-scale mapping capability, set the technical roadmap, and grow and mentor a mapping team as deployments scale. You’ll maintain and evolve an existing mapping codebase, enhancing accuracy, stability, and scalability across challenging industrial and autonomous environments. Working closely with perception, localization, and navigation, you’ll ensure themaps are drift-free, up-to-date, and deeply integrated into the autonomy stack—from raw sensor data to validated, deployed map products. What you’ll do • Own and advance scalable LiDAR- and vision-based mapping pipelines., • Build and improve 2D/3D representations: occupancy grids, vector/HD maps, semantic layers, environment models., • Lead multi-sensor fusion (LiDAR, cameras, radar, GNSS/INS, odometry) into coherent, consistent map outputs., • Deliver large-scale capabilities like multi-session mapping, fleet workflows, map versioning, delta updates, and distributed map generation., • Maintain tight integration with SLAM/Localization to ensure stable, drift-free deployment performance., • Define KPIs and validation frameworks for map accuracy, completeness, and consistency., • Translate state-of-the-art research (SLAM, semantic mapping, multi-modal reconstruction) into production systems., • Set best practices and technical standards to support future team growth. Experience required • MSc/PhD in Robotics, Computer Vision, Computer Science, or related field., • 4–5+ years hands-on mapping experience in autonomous systems or robotics., • Deep expertise in LiDAR/point-cloud processing (PCL, Open3D, custom pipelines)., • Strong background in vision-based mapping / visual SLAM and multi-sensor fusion., • Proficiency in C++ with strong experience in ROS2., • Solid grounding in estimation, optimization, geometry, kinematics, and TF2. Why join You’ll own a mission-critical autonomy capability, shape the map product and technical direction, work on live deployments, and step into a clear path to build and lead your own mapping team.

To support site staff and the divisional director in the effective delivery of the Genmed.me managed services at SWLEOC and day to day account management. To represent and promote Genmed managed services efficiency and the corporate values at the customer site To ensure that all stock is distributed and shelved in a timely manner from delivery To carry out cycle-counting and ad-hoc stock-takes To... ZIPC1_UKTJ

Python services, distributed systems, and large-scale data processing.

Location: 🌍Belfast, London or Barcelona Salary and Compensation: 💷 £60,000 - £110,000 + 📈 Stock Options Benefits: 🏥 Full Medical Insurance + 💻 All Equipment Covered About Eolas Accessing medical knowledge rapidly and easily at the point of care is still very difficult for healthcare professionals. Eolas Medical is transforming how critical medical knowledge is accessed at the point of care. We have a vision where every healthcare professional can instantly access the context specific knowledge they need to deliver safe, effective care. Designed and developed by doctors, the platform aggregates and indexes tens of thousands of items of medical content, enabling rapid and accurate decision-making. It’s currently being used by hundreds of thousands of healthcare professionals globally, over 85% of acute NHS hospitals, 40% of all doctors in Ireland and also used in world leading institutions in the US including Stanford Healthcare, Mass General and Boston Children’s Hospital. We’re now hiring another Clinical Engineer to work alongside a team of doctors helping build the next generation of AI powered clinical knowledge tools. This position has a broad scope, accepting applications from all levels of experience, i.e from minimal software development experience to the world’s best clinician turned engineer. The Role - Clinician Engineer (Clinical + Full Stack Engineering) This is a rare hybrid role for doctors who are passionate about technology, problem-solving, and building real tools that dramatically improve clinical workflows. You will bring your clinical understanding into every product decision, while learning (or expanding) real engineering capability. You will help design, build, and ship features used directly by frontline clinicians including our next-generation AI-powered knowledge retrieval tools. We welcome a broad spectrum of experience: At one end: Doctors with strong clinical background and early-stage engineering skills who are eager to learn. You’ll receive close mentorship, structured training, and opportunities to contribute quickly. At the other: Highly experienced clinician-engineers capable of contributing as senior full-stack or backend engineers from day one. You’ll directly shape system architecture, product direction, and clinical tooling design. Your clinical intuition will be just as valuable as your engineering output. This is a role where both skillsets matter equally. Our Tech Stack We are a cloud-native, modern, TypeScript-first platform. Experience with any of the following is a bonus, you do not need all of them. Backend & Infrastructure • AWS (Lambda, API Gateway, Cognito, S3, OpenSearch), • Node.js / TypeScript, • Python, • PostgreSQL & DynamoDB, • Serverless architecture & microservices, • Docker, CI/CD pipelines, • Cloud security & compliance (HIPAA / GDPR / NHS DTAC) Frontend • React, • TypeScript, • Tailwind, • Component-driven development AI / RAG / Knowledge Pipelines • LLM-powered features, • RAG pipelines (embedding models, chunking strategies, semantic search), • Document extraction/processing (PDF parsing, OCR, agentic pipelines), • Clinical content ingestion workflows, • Evaluation frameworks for safe medical AI responses If you don’t know these yet, that’s fine. We will teach you. What You’ll Do Depending on your experience, you will contribute to some or all of the following: Product & Clinical Problem Solving • Translate real clinical workflows into intuitive product experiences., • Help design features that clinicians will actually use under pressure., • Work closely with doctors, engineers, and leadership to shape product direction. Full-Stack or Backend Engineering • Build and ship cloud-first features using TypeScript/Node.js, React/Next.js, and AWS., • Contribute to infrastructure-as-code and deploy serverless services., • Help architect systems that scale to hundreds of thousands of clinicians. AI & Clinical Knowledge Retrieval • Build RAG workflows that safely surface medical knowledge., • Develop clinical document ingestion pipelines that process PDFs, protocols, and policies., • Validate AI-generated outputs with clinical context and domain expertise. Quality, Safety & Clinical Integrity • Ensure that what we build is clinically safe, defensible, and high-impact., • Bring frontline intuition to technical decisions that will affect patient care. Learning & Growth • For early-stage engineers: Receive structured training in software engineering, cloud systems, and AI tooling. Pair program with senior engineers, complete real projects, and grow rapidly., • For experienced engineers: Lead projects, contribute to architecture, mentor others, and shape the technical roadmap. Who We’re Looking For You should be a doctor with a passion for technology. Beyond that, you might be early in your engineering journey or already an expert. Either way: Essentials • Strong clinical background with deep understanding of real-world workflows., • A product mindset: you obsess over usability and solving real clinician problems., • Genuine passion for technology, engineering, and learning new skills., • Ability to think pragmatically and deliver high-quality, reliable solutions., • Curiosity, humility, and a desire to build the future of clinical decision support. Nice to Have • Experience coding in TypeScript, JavaScript, Python, or similar., • Understanding of cloud systems (AWS preferred)., • Familiarity with LLMs, embeddings, or semantic search., • A portfolio of side projects, tools, or apps you’ve built (clinical or not)., • Experience in a startup or fast-moving environment. For Senior-Level Candidates • 3–7+ years engineering experience (before or after your clinical career)., • Ability to independently architect and build production systems or if frontend orientated have the ability to lead front end development using React., • Experience with serverless systems, distributed architectures, or AI pipelines., • Leadership experience or mentoring junior engineer-clinicians. Why Join Eolas Medical This is not a normal job. • You will help shape how AI is safely used in frontline healthcare - globally., • You will work with a small, mission-driven group of clinician-engineers., • You will join at a pivotal moment as we scale from a lean team to a global organisation., • You won’t just write code: your work will directly influence how doctors treat patients every day. You will not be one engineer among many. You will be someone who fundamentally shapes the future of Eolas Medical — and of clinical decision-making itself. Contact:

Mentor engineers in distributed systems, reliability engineering and infrastructure design, acting as a technical reference point. Staff Site Reliability Engineer – Data & Trading Platforms. You’ll be the reliability specialist embedded in a product engineering team, owning how distributed syste

Train policies via representation learning, behaviour cloning and RL; own the full loop from data to deployment. Experience with deep learning infrastructure: streaming datasets, checkpointing & state management, distributed training strategies.

Backend Engineer: Distributed Systems Specialist Location: New York or London (Hybrid) Salary: $300,000 – $350,000 USD About Us We’re a stealth-mode infrastructure venture building next-gen primitives for decentralized execution. Our mission: rethink how distributed systems scale, sync, and self-heal — with a focus on performance, modularity, and cryptographic integrity. Our team includes protocol veterans, systems engineers, and cryptography researchers pushing the limits of what’s possible in Web3 infra. The Role We’re hiring a Backend Engineer with deep distributed systems expertise to help architect and optimize our core infrastructure. You’ll work on low-latency, high-throughput systems that power decentralized coordination, execution, and data integrity across global nodes. What You’ll Build • Core backend services for distributed coordination and execution, • Fault-tolerant systems that scale across thousands of nodes, • Performance-critical modules for consensus, networking, and data pipelines, • Internal tooling for observability, testing, and simulation, • Contributions to open-source infra and protocol-level primitives What You Bring • 5+ years of backend engineering experience in systems-level environments, • Deep knowledge of distributed systems, fault tolerance, and consensus mechanisms, • Strong command of Rust, Go, or C++ (Rust preferred), • Experience with container orchestration, microservices, and cloud-native infra, • Familiarity with blockchain, cryptographic protocols, or decentralized coordination Bonus Points • Experience in zero-knowledge systems, MPC, or verifiable computation, • Contributions to open-source infra projects, • Prior work in Layer 1 or Layer 2 blockchain development Why Join • Stealth-stage impact with protocol-grade ownership, • Competitive comp: $300k–$350k base + equity, • Hybrid flexibility in NYC or London, • Work with a team of deep systems thinkers and protocol engineers

Job Title: Java Developer (Electronic Trading Platform - FX) Contract Type: Outside IR35 Location: London Day Rate: Up to £950 per day Flexible Hybrid working: 1-2 days a week in London City offices Client: Prestigious Investment Bank Industry: Investment Banking Duration: 12 months +. Also open to contract to permanent conversions Overview: We are seeking an experienced Java Developer to join a high-profile investment banking client in London on a contract basis. The successful candidate will work on an Electronic Trading Platform for the FIC business. This is an exciting opportunity to contribute to the development and integration of advanced trading technologies in a prestigious and fast-paced environment. Our client are in the process of a large multi year E-Trading platform replacement. Starting in FX and FIC and then getting rolled out across Capital markets and all asset classes. You’ll have the flexibility to manage your work activities within a hybrid work arrangement where you’ll spend 1 per week on-site, while other days will be remote. Desired technical Skills: • Java (Core & Advanced): Strong proficiency in Java, including multi-threading, collections, and concurrency., • FX Trading Systems: Experience developing, maintaining, or supporting electronic foreign exchange (E-FX) trading platforms., • Messaging Protocols: Familiarity with FIX protocol, MQ, JMS, or similar messaging solutions., • API Development: Experience with RESTful and/or SOAP web services., • Low Latency Programming: Understanding of techniques for minimizing latency in trading applications., • Spring Framework: Proficiency with Spring Boot, Spring MVC, and related technologies., • Database Technologies: Strong SQL skills; experience with relational databases (e.g., Oracle, SQL Server, PostgreSQL) and/or NoSQL solutions., • Distributed Systems: Understanding of distributed computing concepts and technologies (e.g., microservices, caching, clustering)., • Testing Frameworks: Experience with JUnit, Mockito, or similar testing tools., • CI/CD: Familiarity with continuous integration and deployment tools (e.g., Jenkins, TeamCity, Git) Desired Domain Knowledge: • FX, Rates, SSA, Credit, • Order Management: Knowledge of order routing, execution, and trade booking flows., • Risk Management: Familiarity with pre-trade and post-trade risk controls in electronic trading Soft Skills: • Excellent communication and interpersonal skills to work effectively with both business and technology teams., • Ability to thrive in a fast-paced, high-pressure environment., • Strong sense of ownership and accountability for delivering results.

This role is with one of Dex’s trusted Partner companies. We work closely with their teams to truly understand their culture, goals, and what they’re looking for, so we can match you with the right opportunity for your goals! If you’re interested, apply here, or head over to Dex to find other opportunities with top tech companies, where you can truly find work that matters! The Opportunity Dex is partnering with a rapidly growing Series B company that is fundamentally redefining the CRM landscape for the AI era. Backed by Tier-1 global investors (the same behind Uber, Stripe, and Slack), they are building a "real-time first" platform that combines the power of a database with the usability of consumer social apps. This is a role for an Engineering Lead who refuses to compromise on quality, joining a team that obsesses over real-time infrastructure, massive data synchronization, and an interface that feels instant. What You’ll Work On • Lead a High-Performance Team: Balance hands-on individual contribution with the leadership of a focused, elite team of engineers. You will set the tempo, technical standards, and culture., • Architect for Scale: Design and evolve complex, event-driven architectures capable of handling massive data throughput and real-time synchronization across millions of entities., • Bridge Product & Engineering: Operate with high autonomy, making critical product decisions based on direct customer feedback and translating them into technical reality., • Build the Team: Play a pivotal role in recruiting and developing world-class engineering talent, fostering an environment of rigorous thinking and rapid execution., • Drive End-to-End Delivery: Own the full lifecycle of critical features What You'll Have • Technical, Hands On Experience: Deep, demonstrable expertise in modern cloud architectures and the full web stack. You are most comfortable in TypeScript/Node.js or Go on the backend, and/or React on the frontend., • System Design: Proven experience designing secure, scalable, and reliable backend systems on GCP or AWS. You understand the nuances of distributed systems and real-time data., • Leadership DNA: You have a track record of not just writing code, but growing great engineers. You know how to influence technical decisions and unblock your team., • Product Fluency: You don't wait for a spec sheet. You understand the business context and communicate technical trade-offs to stakeholders clearly., • Rigorous Thinking: You thrive on complex problems. You care about the "why" behind the architecture and strive for elegance in complexity., • Ambition: You want to work at the bleeding edge of the AI-native shift, building tools that define how the next generation of go-to-market teams operate. To be considered for this role and others like it, apply directly, or sign up to Dex to find other opportunities for work you're actually excited by!

Humanoid is the first AI and robotics company in the UK, creating the world’s most advanced, reliable, commercially scalable, and safe humanoid robots. Our first humanoid robot HMND 01 is a next-gen labour automation unit, providing highly efficient services across various use cases, starting with industrial applications. Our Mission At Humanoid we strive to create the world’s leading, commercially scalable, safe, and advanced humanoid robots that seamlessly integrate into daily life and amplify human capacity. Vision In a world where artificial intelligence opens up new horizons, our faith in its potential unveils a new outlook where, together, humans and machines build a new future filled with knowledge, inspiration, and incredible discoveries. The development of a functional humanoid robot underpins an era of abundance and well-being where poverty will disappear, and people will be able to choose what they want to do. We believe that providing a universal basic income will eventually be a true evolution of our civilization. Solution As the demands on our built environment rise, labour shortages loom. With the world’s workforce increasingly moving away from undesirable tasks, the manufacturing, construction, and logistics industries critical to our daily lives are left exposed. By deploying our general-purpose humanoid robots in environments deemed hazardous or monotonous, we envision a future where human well-being is safeguarded while closing the gaps in critical global labour needs. About The Role We are looking for a Senior/Staff Software Engineer (Data) to help transform our rapidly growing universe of raw robotic data into a dependable, scalable foundation for learning, simulation, and system performance. You will be part of a specialised team responsible for designing and maintaining the data pipelines that connect control, perception, simulation, and learning systems. This role involves close collaboration with robotics engineers, machine learning researchers, and software developers. You will own critical aspects of our data platform, shape data models and schema design, implement quality controls, and optimise systems for high-throughput and reliable processing. It’s ideally suited to someone passionate about building foundational systems at the intersection of AI and robotics, who enjoys solving practical challenges and working across disciplines to turn complexity into clarity. What You’ll Do • Develop the backbone of our HMND robot Capability Factory., • Curate, preprocess, and manage large-scale datasets for humanoid robot training—projected to grow to petabytes by 2026., • Build highly scalable data pipelines on massive infrastructure tens of thousands of vCPUs., • Ensure the quality, accuracy, and consistency of data across multiple projects., • Collaborate with machine learning teams to design data pipelines that support efficient training workflows., • Develop and maintain data quality metrics reporting systems., • Implement best practices for data management, including versioning, security, and compliance. We’re Looking For • Bachelor’s or Master’s degree in Data Science, Computer Science, or a related field., • 5+ years of experience in data engineering and data quality., • Strong proficiency in one the programming languages, such as Python, Java, Scala, C++, etc., • Experience with distributed computing frameworks such as Ray, Spark, and MapReduce., • Attention to detail and a strong commitment to data integrity., • Excellent problem-solving skills and ability to work in a fast-paced environment. Nice To Have • Experience developing infrastructure for petabyte-scale data platforms., • Deep, hands-on expertise in low-level and system-level engineering, including operating systems, networking, and large-scale infrastructure internals., • Understanding of ML requirements and experience working with ML teams., • Experience with DBT, Prefect, and Databricks., • Familiarity with robotics or the self-driving field., • Experience with cloud-based data storage and processing solutions. AWS would be a plus., • Passion for contributing to the development of advanced humanoid robots. Benefits • Competitive salary plus participation in our Stock Option Plan, • Paid vacation and travel opportunities to our London, Vancouver, and Boston offices, • Office perks: free breakfasts, lunches, snacks, and regular team events, • Freedom to influence the product and own key initiatives, • Collaboration with top‑tier engineers, researchers, and product experts in AI and robotics, • Startup culture prioritising speed, transparency, and minimal bureaucracy

About the Team: You'll be joining the team leading Entrust's Identity portfolio, formerly known as Onfido (an AI- powered digital identity solution). Our technology helps businesses verify real identities using machine learning, ensuring secure remote customer onboarding. By assessing government- issued identity documents and facial biometrics using state-of-the-art machine learning, we provide companies with the assurance they need to operate securely while allowing people to access services quickly and safely. Our Applied Scientist team consists of about twenty machine learning scientists. The team is supported by an ML Ops team that provides state-of-the-art tooling (including AWS, Encord, Ray, PyTorch Lightning and Weights & Biases). The Applied Science team works closely with product engineering to deploy models to serve our worldwide customer base. Position Overview: We are looking for an Applied Scientist II to design and train cutting-edge machine learning solutions related to digital identities. Join our team and work on challenging problems in deepfake detection, bias mitigation, document understanding, anomaly detection and/or efficient ML. What you will be doing: • Push the frontier of research in areas such as deepfake detection, bias mitigation, fraud/anomaly detection, face matching, document understanding, and efficient on-device ML., • Publish research results in national and international conferences and scientific journals. Work with product and engineering to improve our world-class identity-focused products. Representative work: • Implement bias-mitigation strategies to build fair face-matching and deepfake-detection models., • Train and benchmark large-scale vision-language models for document extraction., • Train a multi-modal document understanding model from scratch using synthetic data., • Optimise LoRA adapter latency in PEFT/Triton., • Profile, debug and improve model training speed on multiple GPUs., • Create a large-scale dataset for deepfake detection., • Experiment with multimodal models to detect fraud. You may be a good fit if you: • Have strong experience in machine learning and computer vision., • Have a strong record of successfully delivering high-performance ML-driven products., • Have a deep understanding of machine learning theory., • Have strong coding skills in Python and PyTorch., • Care about building fair and cutting-edge machine learning products. Strong candidates may also have: • Technical experience in one or more of the following areas: face matching, bias mitigation, anomaly detection, document understanding or on-device ML., • Published at top-level machine learning conferences. Experience optimising (distributed) training code. Where you will be: This role is based in our London, UK office and follows a hybrid model, requiring in-office presence three days per week. Benefits UK • 25 days annual leave plus a day off for your Birthday., • Two paid volunteering days per year.*, • Bupa Private Medical and Dental Insurance*, • Pension with The People’s Pension (employer contribution 4% of base salary)*, • Generous paid parental leave, • Life enrichment allowance of up to £80 per month to use for services including gym, yoga, fitness classes, massages, childcare, and therapy, • Dedicated learning opportunities including using tools like Linkedin Learning with availability to use for learning resources such as books, coaches, conferences, courses, podcasts, and more, • Our open and transparent culture is reflected in our “Better Together” motto and we bring this to life by meeting once a week for our global weekly roundup (OnThursday); holding quarterly team socials, and other company-wide social events, • Expense up to £300 (or local equivalent) to purchase workstation setup equipment, • The opportunity to become a member of Entrust’s resource groups in order to learn different skills in our belonging groups Ready to Make an Impact? If youʼre excited by the prospect of working on cutting-edge machine learning for problems that matter, Entrust is the place for you. Join us in making a difference. Letʼs build a more secure world—together. Apply today! NO AGENCIES, NO RELOCATION #LI-GR1 #ENT123

Senior Software Engineer (Full-stack) - Permanent | On-Site | London Join a rapidly scaling US-backed startup at a pivotal moment. With significant funding secured and strong momentum, they are establishing their UK presence and offering exceptional equity opportunities for early team members. As a Senior Software Engineer, you'll work across our Python and TypeScript stack, contributing wherever the team needs you most. What You'll Be Doing: • Develop and maintain FastAPI (Python) and Next.js (TypeScript) applications., • Own features end-to-end - from user interface through to infrastructure and internal tooling., • Navigate and contribute to diverse codebases across the platform., • Shape product direction and architectural decisions., • Work alongside engineers and AI specialists in a cross-functional environment., • Grow your expertise while sharing knowledge with the team. What We're Looking For: • Growth mindset - You're intentional about self-improvement and continuous learning, • Deep expertise - You've mastered something technical; the specific domain matters less than the depth of skill, • Comfort with ambiguity - You thrive on open-ended challenges and unstructured problems, • Code fluency - You can dive into complex systems and make impactful contributions quickly, • Technical foundation - Strong skills in Python, TypeScript, or both (or genuine enthusiasm to learn), • Collaboration style - You work well with others but are equally effective independently Nice to Have: • Experience with modern frontend frameworks (React, etc), • Background in API development or distributed systems For more information, please apply! *Please note that this role will not be able to provide sponsorship support. Research shows that candidates from underrepresented groups often wait until they meet nearly all requirements before applying, while others apply when meeting just 50-60%. If this role excites you and you meet many—but not all—of these criteria, we still want to hear from you. We actively encourage applications from underrepresented talent and are committed to supporting accessibility needs throughout our hiring process.

About Us: We are one of the world’s leading commodities trading houses, leveraging sophisticated technology to trade a broad range of energy, metals, and agricultural commodities globally. Our success is driven by cutting-edge analytics, high-frequency data processing, and a commitment to innovation. We are now looking for a Senior Python Engineer to join our dynamic team in London and drive our next wave of technological advancements. Role Overview: As a Senior Python Engineer, you will be at the heart of our technology platform, building robust systems that enhance our trading strategies, risk management, and data analysis. You will collaborate closely with quants, data scientists, and traders, providing Python-based solutions that directly impact the profitability of the business. This is an exciting opportunity to work in a fast-paced, high-performance environment where you can push the boundaries of technology in financial markets. Key Responsibilities: • Design, develop, and maintain highly efficient Python-based applications for commodities trading, risk management, and real-time data analysis., • Build scalable, high-performance data pipelines to process large datasets from multiple sources, including real-time market data and fundamental data., • Implement robust APIs and microservices to integrate trading systems, analytics platforms, and external data providers., • Optimize performance and scalability of existing systems, ensuring low-latency trade execution and real-time risk monitoring., • Collaborate with quants and traders to prototype and implement algorithms that enhance trading strategies and position management., • Lead code reviews, enforce best practices, and mentor junior developers to foster a culture of excellence., • Work in a collaborative, agile team environment to rapidly develop and iterate on new features and tools. Qualifications: • 5+ years of professional experience in Python development, with a focus on building performant, scalable systems., • Deep understanding of core Python, including its strengths in data manipulation, asynchronous programming, and performance optimization., • Experience with distributed systems, parallel computing, and high-performance processing of large datasets., • Strong experience in data pipelines, working with tools such as Pandas, NumPy, and SQL/NoSQL databases., • Proven experience working in fast-paced environments, ideally within trading, financial services, or high-frequency environments., • Proficiency in developing RESTful APIs, microservices, and working with cloud-based architectures (AWS, GCP, or similar)., • Expertise in testing frameworks, CI/CD, and containerization technologies such as Docker or Kubernetes., • Experience in managing and deploying services in Linux/Unix environments., • Strong analytical and problem-solving skills, with a keen attention to detail and an ability to thrive under pressure., • Fluency in English is required. Preferred Skills: • Experience in commodities markets or broader financial markets., • Knowledge of quantitative modeling, risk management, or algorithmic trading., • Familiarity with big data technologies like Kafka, Hadoop, Spark, or similar. Why Work With Us? • Impactful Work: Directly influence the profitability of the business by building technology that drives trading decisions., • Innovative Culture: Be part of a culture that embraces new ideas, cutting-edge tools, and continuous improvement., • Competitive Compensation: Industry-leading salary, significant performance-based bonuses, and comprehensive benefits package., • Professional Development: Access to world-class learning and development resources, with opportunities for career growth., • Work-Life Balance: Flexible working arrangements, generous holiday allowances, and a strong focus on well-being.

AI Startup - Backend Python Engineer A pair of second time founders who have already built and exited successful ventures are assembling a new elite engineering team for their next AI startup! They have secured top tier backing (8 figures!), built early traction with thousands of users and are now searching for exceptional Founding Backend Engineers to scale a deeply ambitious product at breakneck speed. This is a ground floor opportunity to own the backend systems that could redefine how people interact with AI every day! 💡 The Role • Build core backend services, APIs and distributed systems in Python, • Design architecture, data flows and infrastructure foundations from day zero, • Work directly with the founders on product strategy and technical direction, • Move fast in an iterative environment while maintaining high engineering quality, • Shape backend engineering culture, tooling and processes for a rapidly scaling product 🛠️ Tech Environment • Python with FastAPI, • PostgreSQL, • Event driven backend services and data heavy workflows, • Modern AI frameworks and agent driven systems integrated into backend pipelines, • Engineers who love solving performance, scaling and reliability challenges 🥷 What You Need • 5+ years experience in high growth early stage startups, • BSc or MSc from a highly ranked university (Oxford Cambridge Imperial UCL, or similar), • A desire to work in a fast paced startup that pushes technical and product limits 💸 What’s on Offer • Very competitive salary (top of market) + meaningful equity, • Work directly with two founders who have built and exited successful ventures, • Huge ownership over backend architecture infrastructure and technical direction, • Build a category defining AI platform with the potential for global scale, • Join a small elite engineering team moving at exceptional speed If you want to join a high velocity AI venture at the earliest stage and help build something truly transformative let’s talk!

🚀 About Ten-Xer At Ten-Xer, we match people to roles where they can actually build and grow. We partner with startups that want operators, not passengers, and help them hire talent who move fast and deliver outcomes. About Crimson Crimson is an AI productivity platform built for litigators. Litigation teams use Crimson to analyze case files, answer case-specific questions and draft documents tailored to each dispute. By automating manual workflows across the life cycle of a case, Crimson helps lawyers find key evidence faster, streamline case management and save 10+ hours per week on common litigation tasks. Crimson is a small, high-ownership team of three co-founders building a category-defining AI platform for high-stakes litigation. They work with major UK and US law firms on highly sensitive case files. The culture is product-driven and security-obsessed: engineers talk directly to users, own features end-to-end, and care deeply about accuracy, reliability and speed. YC-backed and focused on shipping quickly while learning from demanding users. 🧩 What You'll Do • Build core product features across the stack from cloud infrastructure to prompting to UX, including Python backend, Next.js with TypeScript frontend, PostgreSQL, and Azure-hosted LLM workloads with CI/CD pipelines via GitHub Actions and IaC such as Bicep, • Work directly with litigators and knowledge workers to understand how lawyers work, what they need, and how Crimson can fit into their workflows, • Architect and scale document ingestion and processing pipelines to power fast, accurate search, summarization and data extraction over large volumes of legal documents, • Design and implement intelligent, multi-step agent workflows that autonomously handle complex legal tasks from surfacing key testimony to generating fact chronologies and spotting inconsistencies in filings, • Design and ship intuitive, AI-native user experiences tailored to litigation workflows in partnership with founders and early customers, • Improve system performance, stability and observability as the platform scales to more cases, larger datasets and additional firms, • Shape engineering culture and team standards from best practices and code quality to interviewing, hiring, and mentoring future engineers ⚡ What You Bring • 3+ years building and shipping production web applications full-stack, ideally in startups or small, high-ownership teams, • Strong backend experience with Python or similar, PostgreSQL, and cloud infrastructure with Azure preferred but AWS or GCP also relevant, • Frontend experience with modern TypeScript frameworks like Next.js or React, and an eye for building clean, intuitive product experiences, • Experience designing and operating data pipelines or distributed systems that handle large volumes of text or documents, • Comfort working with LLMs and applied AI including prompting, integrating model APIs, and thinking carefully about correctness, reliability and UX for AI-powered features, • Excellent product judgment, communication skills and attention to detail with comfort talking to demanding users and turning their feedback into shipped features, • High agency and bias for shipping with a preference for owning problems end-to-end and seeing your work used in real cases, • Bonus: interest or background in legal tech, disputes, or working with professional services users 📌 Why this role matters You'll be building tools that change how some of the most critical legal disputes get resolved. Your work will directly impact case outcomes, billable efficiency and how litigation teams operate under pressure. You'll have equity, direct access to founders and users, and the chance to define what AI tooling for law should actually look like.

Lead Software Engineer – Java Microservices | London (1 day per week on-site) | £74,000 – £92,000 + Package We’re partnering with a leading UK bank to recruit a Lead Software Engineer with strong Java and microservices expertise. This is a hands-on role building high-performance, scalable software for real-world, high-traffic systems. About the Role You’ll join a permanent feature team, taking end-to-end ownership of services, from design and development to testing, deployment, and optimisation. Your focus will be on building robust microservices that support high-traffic user experiences, serving thousands or millions of concurrent users. What We’re Looking For • Proven experience developing Java microservices for high-traffic applications (retail, e-commerce, media, or streaming platforms)., • Hands-on experience with the full software lifecycle in agile environments and CI/CD pipelines., • Strong understanding of performance, scalability, security, and observability in distributed systems., • Ability to translate complex requirements into resilient, production-ready software., • Excellent collaboration and communication skills. Why This Role This is your chance to work with a leading bank while applying your expertise in high-traffic, consumer-facing microservices and shape platform-level solutions outside traditional financial systems. Contact Harry – Paritas Recruitment Email: Mobile: +44 7702 946 250

Senior DevOps Engineer London (Hybrid: 2–3 days onsite) £500-£520 per day | Outside IR35 | 6-month contract Contact: Overview We are seeking a Lead DevOps Engineer to support mission-critical platforms in the financial risk and compliance space. This is a hands-on role focused on CI/CD, deployment automation, and Kubernetes-based infrastructure supporting highly reliable, scalable services. You will work closely with engineering and QA teams to ensure efficient, compliant, and traceable delivery across multiple environments. Key Responsibilities • Lead and optimise CI/CD pipelines to improve deployment speed, reliability, and consistency., • Automate deployments and environment configuration using infrastructure-as-code (e.g. Terraform)., • Embed deployment best practices across development and QA workflows., • Support production handover, incident triage, and defect prioritisation., • Promote resilient, self-healing microservices and strong operational practices., • Manage stakeholder communication and track delivery risks and dependencies., • Maintain a strong understanding of end-to-end architecture and system integrations. Required Experience • Strong background in DevOps practices, tooling, and automation., • Proven experience leading DevOps initiatives across development and operations teams., • Hands-on experience with Kubernetes, Linux/Unix, and containerised systems., • Experience building and operating deployment pipelines and debugging distributed systems., • Knowledge of relational databases (SQL) and NoSQL technologies., • Familiarity with modern architectures including containers, APIs, and streaming platforms., • Experience working in Agile environments and using Git with established branching strategies., • Ability to produce clear operational documentation (e.g. runbooks).

Founding Engineer – Early-Stage Deep Tech Startup Full-time | Onsite in London £180,000 + Substantial Equity An early-stage, stealth-mode startup is looking for a Founding Engineer to join the team in central London. This is a unique opportunity to help build a transformative new platform at the intersection of software systems, automation, and intelligent infrastructure. Founded by leading academics and proven entrepreneurs, the business is backed by top-tier investors and is solving complex technical problems that demand creativity, rigour, and ambition. The Role • Build and own core systems and architecture from the ground up, • Work closely with the founding team on product direction and technical strategy, • Make key decisions across the full stack — from infrastructure to user-facing elements, • Contribute to the early engineering culture, processes, and hiring Ideal Background • Experience building complex systems in a startup or high-growth tech environment, • Strong computer science fundamentals; comfortable working across multiple layers of the stack, • Demonstrated ability to operate in fast-moving, ambiguous environments, • Bonus: familiarity with compilers, distributed systems, systems design, or programming languages theory Offer • £180,000 base salary, • Significant equity in a high-potential startup, • London-based, full-time — onsite collaboration with a world-class founding team

Chief Technology Officer / VP Engineering Salary: $150 000 - $180 0000 + Equity Location: Remote We’re partnering with a regulated institutional digital asset platform that is redefining how institutions access secure, risk-adjusted crypto yield. As they enter their next phase of growth, they are seeking a senior technology leader to set and execute a forward-looking technology vision that will enable the evolution of their platform and support long-term scalability, security, and compliance. This is a leadership opportunity within a high-performing engineering team where you will shape next-generation infrastructure, and deliver impact at scale in a fast-moving, regulated environment. Key Responsibilities: • Own the end-to-end technology strategy, architecture, and execution across the platform., • Lead engineering delivery, infrastructure, and security while partnering with Product, Risk, and Operations., • Design and implement a migration path from legacy custodial systems to vault-native structures., • Champion engineering excellence across quality, reliability, security, and operational discipline., • Build and scale a world-class engineering team with clear accountability and growth paths., • Represent technology in senior leadership discussions, partner engagements, and institutional due diligence. Key Requirements: • 10+ years of software development experience, including 3+ years in senior engineering leadership roles., • Proven track record of scaling engineering teams in high-growth B2B, fintech, or infrastructure-led environments., • Strong technical background in cloud-native systems, distributed architectures, and security-critical platforms., • Experience managing parallel systems and executing controlled migrations without client disruption., • Excellent communication skills and ability to bridge technical detail with business strategy., • Comfortable operating in a fast-paced, regulated environment with high accountability. Bonus: • Experience in crypto, DeFi, or digital asset infrastructure., • Familiarity with smart contracts, hybrid on-chain/off-chain architectures, and regulatory frameworks (MiCA, SOC 2, ISO 27001). What They Offer: • A senior leadership role with direct impact on the company’s growth and technology direction., • The opportunity to shape the future of institutional digital asset infrastructure., • Competitive compensation and equity participation., • Flexible remote setup with quarterly strategic gatherings in Helsinki or London.

At Ripple, we’re building a world where value moves like information does today. It’s big, it’s bold, and we’re already doing it. Through our crypto solutions for financial institutions, businesses, governments and developers, we are improving the global financial system and creating greater economic fairness and opportunity for more people, in more places around the world. And we get to do the best work of our career and grow our skills surrounded by colleagues who have our backs. If you’re ready to see your impact and unlock incredible career growth opportunities, join us, and build real world value. THE WORK: We are looking for a Senior Software Engineer passionate about solving ambitious problems and working directly with Ripple Trading and Markets in the cross-border payments space. We are passionate about the growth of our engineers and place a premium on career development. You will have a high degree of accountability and responsibility from Day 1. You will be an integral part of the Ripple Trading and Markets Team, building scalable, resilient and performant trading systems in a constantly evolving and fast paced environment. You will have real impact and have the opportunity to drive the architectural roadmap, whilst looking to optimize away manual inefficiencies. Example projects: The team has helped develop a number of modular building blocks • Low-latency Algorithms for Automated Trading and Systematic Market Making, • Real-time streaming pipelines and signals, • Pricing libraries and tooling, • Further evolution of the Algo suite, refining the signal processing and breadth of trading strategies and products., • Building towards an event-driven architecture to connect the logical building blocks and provide integrated communication between trading systems and to other partners., • Be an ambitious builder, working up and down the stack, mixing software engineering, data engineering, and distributed systems knowledge to build modern enterprise payment applications., • Build reliable, high-throughput, low-latency microservices to power a diverse range of trading use cases, • Engage in the complete software development lifecycle by collecting requirements, showcasing solid software design principles, and maintaining operational excellence through unit and integration testing, • Be a true owner, managing and supporting Trading Engineering applications throughout product lifecycle, • Work with teams across the organization, including product, legal, and business development to think beyond the technical implications of your design decisions, • Continuously raise our standard of engineering excellence by implementing and driving standard processes for coding, testing, and deployment, • Proactively identify customer and infrastructure difficulties and drive corresponding solutions., • 5+ years of software development with minimum 2 years in Ops or DevOps experience in trading environments, with expertise in large-scale distributed systems; recent work in Java, Go, or Scala is preferred., • Hands-on experience with container orchestration (Kubernetes, Docker, etc.) and cloud infrastructure, especially AWS; familiarity with Infrastructure-as-Code tools like Terraform or CloudFormation., • Strong CI/CD and deployment pipeline skills, with a security-first mentality and experience building scalable, robust, and secure distributed services., • Background in front-office trading systems, ideally with exposure to FX or crypto trading; front-end experience with React or similar frameworks is a plus., • Collaborate with the team to implement, configure, and manage comprehensive monitoring, logging, alerting, and observability solutions - advocating for security best practices., • Deploy, manage, operate, and scale applications and services on AWS - whilst troubleshooting performance issues across the stack., • Collaborative, agile approach, passionate about clean architecture, continuous improvement, and engineering standard methodologies., • Strong communication and mentorship skills, with a desire to share knowledge and work closely with a diverse and high-performing team. WHO WE ARE: Do Your Best Work • The opportunity to build in a fast-paced start-up environment with experienced industry leaders, • A learning environment where you can dive deep into the latest technologies and make an impact. A professional development budget to support other modes of learning., • Thrive in an environment where no matter what race, ethnicity, gender, origin, or culture they identify with, every employee is a respected, valued, and empowered part of the team., • In-office collaboration for moments that matter is important to our culture, and we give managers and teams the flexibility to decide which 10+ days a month they come in., • Bi-weekly all-company meeting - business updates and ask me anything style discussion with our Leadership Team, • Competitive salary, bonuses, and equity, • Competitive benefits that cover physical and mental healthcare, retirement, family forming, and family support, • Employee giving match, • R&R days so you can rest and recharge, • Generous wellness reimbursement and weekly onsite & virtual programming, • Generous vacation policy - work with your manager to take time off when you need it, • Industry-leading parental leave policies. Family planning benefits.

Software Engineer – High-Performance Computing & Quant Tech HMx Labs – London (Hybrid), Permanent, ~£70k + benefits HMx Labs is a boutique consultancy focused on the messy, interesting intersection of high-performance computing, cloud, and quantitative finance. We help banks, hedge funds, and vendors design, build, and debug serious compute platforms – from CPU/GPU clusters for risk calculations to low-latency analytics and large-scale simulations. We’re hiring a Software Engineer to work in the HPC side of the company. One day you might be talking to finance quants about risk workloads, the next you’re deep in conversation with GPU engineers about kernels, memory layouts and performance – and plenty in between. More than a perfect CV, we care that you’re smart, highly motivated, and that you actually care about HPC (and maybe finance too). You should enjoy understanding how systems behave at a low level and be happy jumping between domains. You must have • The right to live and work in the UK indefinitely, • At least 1 year of experience as a software engineer in paid full-time employment, • Knowledge and commercial experience with at least one of, Java, C# or Python, • Experience with at least one non-managed / manual-memory language, e.g. C, C++, Rust. Experience working in financial services technology (risk, trading, analytics, etc.) Nice to have but not deal-breakers: • Experience with distributed systems, job schedulers, or batch frameworks, • Working with GPUs (CUDA, ROCm, or similar), • Familiarity with numerical methods, Monte Carlo, or risk systems, • Prior consultancy or client-facing experience About HMx Labs We’re a small, specialist shop, not a giant body-shop. That means: • You’ll have real ownership and direct impact on client work, • You’ll see a wide range of interesting HPC and quant problems, not the same ticket farm every day, • You’ll work closely with people who actually care about performance, correctness and cost – not just buzzwords Anyone applying with a recommendation from someone who has worked with HMx Labs goes to the top of the pile. Location, salary & working style • Role: Permanent, full-time, • Location: London-based, hybrid (some time in the office / with clients is expected), • Salary: Around £70k + benefits, depending on experience How to apply (and one important request) I’ll make the same offer as last time: I won’t use AI to filter or assess candidates if you don’t send me AI-generated applications or apply without thought. Deal? That means I will actually read your application, but in return: • Don’t send an obviously AI-generated CV or cover letter, • Your CV, • A short note explaining your experience with either HPC or financial services tech (or both)

Engineering Lead | Hands-on | Typescript | Python | FinTech | Hybrid London | Up to £120k We’re hiring an Engineering Lead within a high-growth fintech/data intelligence scaleup. This is a hybrid role that combines hands-on technical expertise with line management and team development. 🔧 The Role Hands-on Engineering Lead, leading a team of 4–9 engineers across FE, BE, Full-Stack, Mobile, and Platform. You’ll guide architecture, drive delivery, step into the code when needed, and influence product direction. 🔑 Key Responsibilities • Lead and mentor a high-performing engineering team, growing it over time., • Stay hands-on: solve technical challenges, support incidents, validate architecture., • Own system design, architecture decisions, and engineering quality within your domain. 🔍 Key Requirements • Senior-level engineer with strong technical depth with Typescript and/or Python, • Proven line management experience (you enjoy developing people)., • Robust systems design and architecture skills - able to design, critique, and scale complex systems., • Hands-on mindset: can dive into code and lead by doing when needed. ✨ Nice to Have • Experience with distributed systems or big-data architectures, • Background in high-growth, fast-scaling tech environments 🚀 Why Join • Shape the engineering foundation of a company transforming a legacy financial sector, • High ownership, fast decision-making, and large greenfield scope, • Clear progression as the organisation expands, • Hybrid, office-first culture (typically 1–3 days/week in London), • Competitive salary £120k + bonus This position does not provide visa sponsorship and requires existing right to work in the UK. If your skillset matches, please apply within. Please note: Due to the high volume of applications we are not always able to respond to all applicants, if you have not had a response within 7 days of your application it is likely it has been unsuccessful.

Carbon Emission/Green Tech Start-up | Full Stack Engineer | LDN 2 Days Per Week | £50K - £110K + Healthy Equity Company: I'm looking for Full Stack Engineers who are excited about elegant systems as they are about real-world impact. Their mission is to reduce carbon emissions in the UK building a razor sharp platform for heat pumps to be installed in homes up and down the Country. You'll join a lean, talented team of engineers and work directly on tools that accelerate the energy transition — like: -> Automated design tools for heat pump systems -> A survey app for collecting property data on-site -> 2D/3D floorplan creators (maybe even with LiDAR and CV!) -> Country-wide data tools through large-scale scraping + mapping -> Hardware integrations (e.g. bluetooth laser measures, sensors) -> Offline-first/PWA apps for installers on the move Tech Stack: -> React, TypeScript, Konva, Tailwind -> Node.js, PostGREST, Prisma -> PostgreSQL / PostGIS, Docker, Atlas -> (Sunsetting Python + FastAPI) Requirements for Carbon Emission/Green Tech Start-up | Full Stack Engineer | LDN 2 Days Per Week | £50K - £110K + Healthy Equity -> 2+ years commercial experience -> STEM Background -> React + TypeScript (you’re confident building fast, dynamic UIs) -> SQL and relational database design -> RESTful APIs and distributed systems -> Scalable and secure architectures -> Owning features end-to-end, from shaping the product idea to shipping the code. Type of engineer for Carbon Emission/Green Tech Start-Up | Full Stack Engineer | LDN 2 Days Per Week | £50K - £110K + Healthy Equity ->You’re product-minded — you care about the user and the why behind every line of code. ->You’re impact-driven — you want to move fast and make a real dent in the climate crisis. ->You’re collaborative — you're excited to work closely with a tight-knit, in-person team. ->You’re into sustainable tech, heat pumps, or building a greener future. Remuneration & Benefits -> £50,000 - £110,000 + meaningful equity -> 33 days holiday + work abroad up to 30 days/year -> Hybrid working between London & Bristol studios -> Work closely with a brilliant, mission-led team If you want to hear more about the Carbon Emission/Green Tech Start-up | Full Stack Engineer | LDN 2 Days Per Week | £50K - £110K + Healthy Equity please apply ASAP with a CV and we will give you a call if we think you are a match! 😊

Join us at Entrust At Entrust, we’re shaping the future of identity centric security solutions. From our comprehensive portfolio of solutions to our flexible, global workplace, we empower careers, foster collaboration, and build solutions that help keep the world moving safely. Get to Know Us Headquartered in Minnesota, Entrust is an industry leader in identity-centric security solutions, serving over 150 countries with cutting-edge, scalable technologies. But our secret weapon? Our people. It’s the curiosity, dedication, and innovation that drive our success and help us anticipate the future. About the Team: You'll be joining the team leading Entrust's Identity portfolio, formerly known as Onfido (an AI- powered digital identity solution). Our technology helps businesses verify real identities using machine learning, ensuring secure remote customer onboarding. By assessing government- issued identity documents and facial biometrics using state-of-the-art machine learning, we provide companies with the assurance they need to operate securely while allowing people to access services quickly and safely. Our Applied Scientist team consists of about twenty machine learning scientists. The team is supported by an ML Ops team that provides state-of-the-art tooling (including AWS, Encord, Ray, PyTorch Lightning and Weights & Biases). The Applied Science team works closely with product engineering to deploy models to serve our worldwide customer base. Position Overview: We are looking for a Senior Applied Scientist to design and train cutting-edge machine learning solutions related to digital identities. Join our team and work on challenging problems in deepfake detection, bias mitigation, document understanding, anomaly detection and/or efficient ML. What you will be doing: • Push the frontier of research in areas such as deepfake detection, bias mitigation, fraud/anomaly detection, face matching, document understanding, and efficient on-device ML., • Publish research results in national and international conferences and scientific journals. Work with product and engineering to improve our world-class identity-focused products. Representative work: • Implement bias-mitigation strategies to build fair face-matching and deepfake-detection models., • Train and benchmark large-scale vision-language models for document extraction., • Train a multi-modal document understanding model from scratch using synthetic data. Optimise LoRA adapter latency in PEFT/Triton., • Profile, debug and improve model training speed on multiple GPUs., • Create a large-scale dataset for deepfake detection., • Experiment with multimodal models to detect fraud. You may be a good fit if you: • Have strong experience in machine learning and computer vision., • Have a strong record of successfully delivering high-performance ML-driven products., • Have a deep understanding of machine learning theory., • Have strong coding skills in Python and PyTorch., • Care about building fair and cutting-edge machine learning products. Strong candidates may also have: • Technical experience in one or more of the following areas: face matching, bias mitigation, anomaly detection, document understanding or on-device ML., • Published at top-level machine learning conferences. Experience optimising (distributed) training code. Where you will be: This role is based in our London, UK office and follows a hybrid model, requiring in-office presence three days per week. Benefits UK • 25 days annual leave plus a day off for your Birthday., • Two paid volunteering days per year.*, • Bupa Private Medical and Dental Insurance*, • Pension with The People’s Pension (employer contribution 4% of base salary)*, • Generous paid parental leave, • Life enrichment allowance of up to £80 per month to use for services including gym, yoga, fitness classes, massages, childcare, and therapy, • Dedicated learning opportunities including using tools like Linkedin Learning with availability to use for learning resources such as books, coaches, conferences, courses, podcasts, and more, • Our open and transparent culture is reflected in our “Better Together” motto and we bring this to life by meeting once a week for our global weekly roundup (OnThursday); holding quarterly team socials, and other company-wide social events, • Expense up to £300 (or local equivalent) to purchase workstation setup equipment, • The opportunity to become a member of Entrust’s resource groups in order to learn different skills in our belonging groups Ready to Make an Impact? If youʼre excited by the prospect of working on cutting-edge machine learning for problems that matter, Entrust is the place for you. Join us in making a difference. Letʼs build a more secure world—together. Apply today! NO AGENCIES, NO RELOCATION #LI-GR1 #ENT123

About Us: We’re a VC-backed stealth-mode company building behavioural AI solutions for the retail industry. Our platform is designed from the ground up — no legacy, no patchwork systems — just a clean slate and a clear vision. Our mission is to bring the intelligence of modern machine learning directly to the in-store shopping experience. Role: We’re looking for an experienced Full Stack Engineer to work closely with product, design, mobile, and machine learning team members to design & build experiences that re-define in-store shopping. You'll help help build engaging & intuitive web experiences and the event-driven & real-time backend services that power them. You’ll work across the stack, implementing highly responsive UI components and real-time data flows and APIs on a backend designed for scale & flexibility. Responsibilities: • Design and implement reactive, real-time web interfaces that help manage & redefine what is possible with in-store content personalisation, • Contribute to distributed, event-driven backend services connecting our web experience with information from remote devices and external data sources., • Build and document APIs (OpenAPI/AsyncAPI) for mobile and web clients, • Model and manage structured and semi-structured data across storage layers, • Integrate AI-driven personalisation and real-time insights into user flows, • Contribute to overall system design: service boundaries, data ownership, scaling, and observability Essential Qualifications: • Built modern full-stack applications (Python/Java/Go + React), • Worked with a variety of storage technologies (eg. Postgres, Mongo, Redis, Object), • Experience with async and bi-directional communication protocols and patterns (eg. WebSockets, SSE), • Designed and implemented event-driven distributed systems (eg. Kafka/Pulsar, RabbitMQ, MQTT, or similar), • Experience with container orchestration and service containerisation (Kubernetes, Docker), • Built and deployed services on any major cloud providers' services (Azure, GCP, AWS), • Worked with AI development tools (eg. Bolt, Lovable, Cursor) to speed up iteration & prototyping Nice to Have: • Worked with real-time data collection and/or processing, • Worked in an IoT or Edge-oriented architectures, • Experience or knowledge in retail POS, inventory, or loyalty systems

At Ripple, we’re building a world where value moves like information does today. It’s big, it’s bold, and we’re already doing it. Through our crypto solutions for financial institutions, businesses, governments and developers, we are improving the global financial system and creating greater economic fairness and opportunity for more people, in more places around the world. And we get to do the best work of our career and grow our skills surrounded by colleagues who have our backs. If you’re ready to see your impact and unlock incredible career growth opportunities, join us, and build real world value. At Ripple, we’re building a world where value moves like information does today. It’s big, it’s bold, and we’re already doing it. Through our crypto solutions for financial institutions, businesses, governments and developers, we are improving the global financial system and creating greater economic fairness and opportunity for more people, in more places around the world. And we get to do the best work of our career and grow our skills surrounded by colleagues who have our backs. If you’re ready to see your impact and unlock incredible career growth opportunities, join us, and build real world value. THE WORK The XRP Ledger (XRPL) is a decentralized, public blockchain led by a global community of businesses and developers focused on solving problems and bringing value. Proven reliable over more than a decade of operation and closing over 100 million ledgers, the XRPL offers streamlined development, low transaction costs, high performance, and sustainability. As a Software Engineer Intern in the Core Ledger team, you will help us maintain this high technical bar, while building innovative solutions to ensure the XRPL can power the growing needs of the global digital economy. With support from your team, access to learning and development resources, and opportunities for fun along the way, our program will give you the foundation to start your career. WHAT YOU'LL DO • Increase the capabilities, performance, scalability, and reliability of the XRPL., • Participate in the full software development lifecycle, including architecture, design, development, bug fixing, as well as functional and performance validations., • Engage with the open-source XRP ledger community, promoting quality in coding, testing, and deployment., • Actively participate in code reviews to maintain the quality of our codebase.WHAT YOU'LL BRING, • Currently enrolled in an Undergraduate, Graduate or an equivalent degree, preferably in Software Engineering, Computer Science, Mathematics, or a related field., • Available to work for 12 weeks during Summer 2026, beginning in May or June., • Intent to return to the degree-program after completing the internship., • 3+ years of hands-on software development experience using C++., • Strong interest or foundational experience in backend systems development, preferably distributed systems, concurrency and multithreading., • Passion for blockchain technology and its potential benefits., • Ability to learn new technologies and languages quickly. Do Your Best Work • The opportunity to build in a fast-paced start-up environment with experienced industry leaders, • A learning environment where you can dive deep into the latest technologies and make an impact. A professional development budget to support other modes of learning., • Thrive in an environment where no matter what race, ethnicity, gender, origin, or culture they identify with, every employee is a respected, valued, and empowered part of the team., • In-office collaboration for moments that matter is important to our culture, and we give managers and teams the flexibility to decide which 10+ days a month they come in., • Bi-weekly all-company meeting - business updates and ask me anything style discussion with our Leadership Team, • Competitive salary, bonuses, and equity, • Competitive benefits that cover physical and mental healthcare, retirement, family forming, and family support, • Employee giving match, • R&R days so you can rest and recharge, • Generous wellness reimbursement and weekly onsite & virtual programming, • Generous vacation policy - work with your manager to take time off when you need it, • Industry-leading parental leave policies. Family planning benefits.

Senior Software Engineer London – 1 day a week onsite Are you a highly experienced individual contributor looking for a step up into a senior position in a high-performing team within the world of Banking/Payments? Are you passionate about high-throughput, real-time systems? This is your opportunity to help shape the core technology that powers instant payments for some of the world’s largest Banks. We’re hiring on behalf of a leading payments consultancy, delivering cutting-edge solutions that integrate seamlessly with bank infrastructure to enable real-time, secure transactions across the globe. What You’ll Be Doing You’ll be the focal point of a high-performing engineering team building asynchronous, event-driven systems using modern Java technologies, whilst working closely with some of the largest banks across Europe. • Design and build scalable, high-availability systems processing millions of real-time transactions, • Work with Java 17+, Spring WebFlux, AKKA, Kafka, and more, • Write clean, testable code using TDD and BDD, • Contribute to architectural decisions in a fast-evolving codebase, • Collaborate within Agile teams (Kanban/Scrum) What You Bring We’re looking for Engineers who are pragmatic, performance-focused, and thrive on solving complex distributed systems problems. • Strong hands-on experience with Java 11+ (ideally Java 17), • Solid knowledge of Reactive Programming (e.g., Spring WebFlux, AKKA), • Experience with event-driven architecture, real-time messaging systems (Kafka, JMS), • Familiarity with asynchronous request handling, scalability, and system resilience, • Agile mindset, with TDD/BDD and CI/CD experience Bonus: Background in Banking/Payments is helpful but not required – if you’ve built high-performance, real-time systems, we want to talk to you. What’s In It for You • 💰 £95,000 – £115,000 base salary (DOE), • 🎯 20% bonus, • 🧠 Work with cutting-edge tech on globally impactful systems, • 🏡 Hybrid working – 1 day a week (or more if you’d like!), • 🌍 Opportunity to collaborate with major global banks, • 🚀 Fast-paced, product-led environment where your voice matters If you're a motivated Senior Software Engineer ready to tackle complex challenges and deliver meaningful change, hit apply – and shape the future of payments with us.

This role sits within a high-performing engineering group responsible for building and supporting the core systems that underpin real-time trading activity. The successful candidate will work across the full software development lifecycle, contributing to the design, build, deployment, and optimisation of highly scalable, performance-critical applications. Key Responsibilities • Build, test, and enhance high-performance trading systems using C++ and Python, • Translate quantitative models and trading logic into robust production-ready software, • Develop internal tools and interfaces used directly by front-office trading teams, • Improve market data ingestion, exchange connectivity, and real-time data flows, • Contribute to distributed systems, low-latency communication, and performance tuning initiatives, • Take part in design discussions, code reviews, profiling, and CI/CD improvements, • Gain hands-on exposure to algorithmic trading infrastructure, market structure, and risk platforms Candidate Profile • Early-career experience demonstrated through internships, placements, or academic projects (0–2 years), • Bachelor’s or Master’s degree in Mathematics, Physics, Engineering, or a related discipline (graduating between December 2025 and June 2026), • Strong programming capability in C++ and Python, • Solid foundations in data structures, algorithms, and operating systems, • Comfortable working in Linux/Unix environments, • A strong focus on writing clean, efficient, and maintainable code, • Excellent analytical thinking and problem-solving ability, • Clear communicator with the ability to collaborate effectively in team environments, • Genuine interest in financial markets (prior finance experience not required) Desirable Experience • Exposure to distributed systems, concurrency, or network programming, • Experience working with low-latency or real-time systems, • Familiarity with trading platforms, data pipelines, or simulation tools, • Open-source contributions or personal technical projects that demonstrate initiative Contact Ciara Clarke at Harrington Starr for a confidential discussion.

NET Developer (Contract) Location: Central London Rate: £350–£425 per day Duration: 6 months (likely extension) Start: ASAP Role Overview We are seeking an experienced .NET Developer to join our Business Intelligence IT team. You will develop and support SMBC BI business applications using C# and MS .NET Framework, working across SQL Server and Oracle databases. This role involves both new development and maintenance of existing applications, ensuring stability and compliance with change management procedures. Key Responsibilities • Develop and maintain C#/.NET applications for BI systems., • Analyse business requirements and design technical solutions., • Write and optimise T-SQL and PL/SQL scripts for data analysis., • Collaborate with DBAs and infrastructure teams in London and New York., • Support production environments, troubleshoot issues, and implement fixes., • Assist with Citrix and application server deployments for web and Windows apps., • Follow change management and release processes., • Strong experience with C# and .NET Framework (Windows and Web apps)., • Proficient in SQL Server (T-SQL) and Oracle (PL/SQL)., • Knowledge of application deployment and environment maintenance., • Experience in unit testing, QA, and documentation., • Financial services or enterprise BI experience., • Familiarity with Citrix, disaster recovery environments, and version upgrades. Apply by clicking the link provided or contract for a faster response.

Join a Tier 1 Investment bank in their leading global FX trading platform as a Java Engineer, contributing to the backbone of ultra-low latency systems powering high-volume electronic trading. This role focuses on building high-performance, globally distributed Java services that enable real-time transaction processing, configuration management, and support for quantitative research and trading teams. Key Responsibilities: • Develop scalable backend systems to support high-frequency FX trading, • Collaborate with quants and traders to deliver platform enhancements, • Drive performance tuning and solve low-level technical bottlenecks, • Maintain high standards in testing, documentation, and code quality Tech Stack & Skills: • Strong proficiency in core Java, • Exposure to JavaScript/TypeScript & HTML5 is a plus, • Deep understanding of data structures, algorithms, and performance optimization, • Familiar with modern SDLC tools and CI/CD workflows Competitive compensation package and a flexible hybrid working model.

Senior Java Developer - Java, Springboot & AWS – paying up to £650/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This is a unique opportunity to work in an agile, high-ownership engineering culture. What You'll Be Doing: • Build and scale backend services using Java and Spring Boot, • Shape a modern microservices architecture for a high-availability platform, • Deploy and manage services in AWS with Kubernetes (EKS), • Design, implement, and own features end-to-end from discovery to production support, • Advocate for clean code, automated testing, and CI/CD best practices, • Mentor other engineers and contribute to a culture of knowledge-sharing, • Collaborate with cross-functional teams including product, design, and infrastructure, • Troubleshoot complex issues and help ensure system reliability and performance What You’ll Bring: • Strong backend engineering experience, especially in Java and Spring, • Deep understanding of distributed systems and microservices, • Hands-on experience with AWS, Kubernetes, Docker, and Terraform, • Familiarity with CI/CD pipelines and testing best practices, • Solid SQL and relational database skills, • Ownership mentality, with strong problem-solving skills and attention to detail, • Experience with Node.js or frontend technologies like React, • Familiarity with Grafana, TeamCity, or observability tooling, • Interest or experience in financial services, compliance, or digital banking If you're excited to work in a fast-paced environment where engineers lead innovation - we’d love to hear from you.

About Linda AI Healthcare runs on conversations - scheduling, intake, triage, refills, follow-ups. But humans are drowning in them. Linda AI builds autonomous healthcare agents that handle these workflows end-to-end, over voice, with the reliability and context clinical environments demand. Our agents don’t just “talk.” They understand, reason, remember, and take action inside real healthcare systems. Clinics rely on Linda every day for patient communication, operational execution, and workflow automation at scale. We’re backed by top-tier investors, and we’re growing quickly across the UK. Our Culture We’re a small, senior team that values intensity, clarity, and momentum. 🏆 We win as a team We move together, communicate openly, and expect everyone to raise the bar for each other. 🚀 We build at the frontier We operate where real-time voice, distributed systems, and agent reasoning intersect - a place where the challenges are hard and the impact is immediate. ⚡ We move fast and work hard We ship quickly, we iterate directly with customers, and we hold ourselves to a high standard because patients and clinicians rely on us. 🧭 We have strong points of view We expect engineers to think deeply, bring perspective, and help shape how autonomous agents should work in the real world. We work in person every day from our London or Dublin office - high bandwidth, high trust. The Role This is an opportunity to build the foundational systems of a frontier AI company. You’ll work across our voice layer, agent orchestration, and deep healthcare integrations. You’ll design and ship systems that must be fast, reliable, observable, and safe, because real patients depend on them. If you want to build AI that thinks, decides, and takes real-world action - this is the place to do it. You will: • Architect and build core backend systems powering our agents, • Own integrations with real clinical systems and scheduling platforms, • Improve performance, reliability, and observability across the platform, • Contribute to agent reasoning flows, memory layers, and workflow design, • Collaborate directly with founders, product, and customers, • Shape our engineering culture and long-term technical direction What You've Done • 4+ years of professional software engineering experience, • Deep expertise in Python and a track record of owning systems end-to-end, • Experience with cloud infrastructure and infrastructure as code, • Shipped and operated production systems, • Comfortable with pace, ambiguity, and high ownership, • Strong problem-solving and architectural thinking, • Product-minded — you think about how systems will be used, not just how they’re built Our Tech Stack We're building with tools that both humans and AI love: • Frontend: React, • Backend: Python and Fast API What We Offer • Competitive salary + meaningful equity, • In-person culture in London or Dublin, • Free team dinners every evening, • A senior, focused, high-output team, • The chance to build foundational technology that directly affects patient access and clinic operations, • Immediate impact — your work goes into production and touches real patients within days, not months Join Us If this sounds like the environment where you’d do the best work of your career, we want to meet you. Send us your CV, something you’re proud of — a project, repo, or even a story — and a short note on why Linda resonates with you. Let’s build the future of healthcare together.

About the Role My client are revolutionising a huge regulated industry through AI. They have built breakthrough AI technology to transform a $9 trillion global industry, and are looking for a hands-on Senior Python Engineer to grow their high level existing team! As a Senior Product Engineer, you will help to build the first AI system that can reason across millions of documents immediately. What You'll Do • Architect the backbone of a revolutionary system, • Pioneer breakthrough Performance Engineering, • Lead technical innovation, • 8+ years of Python Development experience, ideally experience in distributed systems, • Deep systems architecture experience, • Performance Engineering experience, • Technical Leadership experience, • Track record of building systems that handle millions of operations with sub second response times, • Background with AI/ML platforms, • Regulated industry experience What's On Offer • Competitive salary and a meaningful equity stake in a fast-growing company with huge potential., • Comprehensive health, dental, and vision insurance., • Flexible company holidays., • Hybrid work environment.

Senior Software Engineer Full Stack - Ruby on Rails, React Up to £120k DOE Fully Remote - must be UK based A fast-growing sports tech company building high-performance, data-driven products for a rapidly expanding global audience is searching for a Senior Full Stack Engineer. This is a pivotal role for an experienced engineer who thrives on shaping architecture, driving technical direction, and still remaining hands-on in the codebase. As a technical leader within a cross-functional Product Team, you’ll influence the long-term engineering strategy, guide architectural decisions, and ensure the platform scales reliably as our user base grows. You’ll act as a role model for engineering excellence - mentoring others, elevating standards, and collaborating closely with Product, Design, and Customer Success to build tools our customers truly value. Tech Stack: Ruby on Rails, React, React Native, GraphQL What You’ll Be Leading & Doing • Drive architectural design, long-term technical vision, and scalable system patterns, • Lead complex fullstack development across Rails and React/React Native, • Own technical quality - setting engineering standards, reviewing code, and ensuring maintainability, • Guide the team through key scaling challenges across performance, reliability, and modularity, • Mentor and coach engineers, fostering a culture of learning and high performance, • Work closely with stakeholders and users to translate real-world needs into elegant, robust solutions, • Influence and improve engineering practices, tooling, CI/CD, and operational excellence, • Remain hands-on, contributing significant code while unblocking and supporting the team What We’re Looking For • Extensive experience with Ruby on Rails or similar backend frameworks at scale, • Strong expertise with React and/or React Native, • Experience designing scalable architectures, APIs, and distributed systems, • GraphQL knowledge – highly beneficial, • Excellent communication and leadership skills; able to influence without ego, • Proven ability to guide teams, mentor others, and drive engineering quality, • Someone proactive, independent, and comfortable making high-impact technical decisions, • Thrives in a fast-paced, product-driven environment and enjoys working closely with customers We’re proud to be an equal opportunities employer and encourage applications from all backgrounds.

Travel & Aviation Technology - C++ - Flight Management Systems A global leader in travel and aviation technology is seeking a skilled C++ Engineer to join their Flight Management System (FMS) engineering team in London. This group builds mission-critical software used by airlines worldwide - powering real-time flight operations, route optimisation, and next-generation cockpit intelligence. You’ll work on high-performance, multi-threaded systems that directly impact global aviation efficiency, fuel optimisation, and safety -contributing to one of the most advanced FMS platforms in the industry. Responsibilities • Design and develop C++ applications for core Flight Management System components, • Work on real-time data processing for flight planning, scheduling, and air traffic control integration, • Implement and optimise algorithms for fuel efficiency, route optimisation, and aircraft performance modelling, • Contribute to multi-threaded, high-performance architectures used in large-scale airline operations, • Collaborate with system architects, engineers, and aviation domain specialists to enhance FMS capabilities, • Perform code reviews, debugging, unit testing, and performance tuning, • Support the evolution of cloud-enabled and AI-driven features within the FMS ecosystem Required Skills • Strong proficiency in C++ (C++11/14/17)., • Experience in multithreading, memory management, and performance optimization., • Solid understanding of software development life cycle (SDLC) and best coding practices., • Experience working with Linux-based development environments., • Strong problem-solving and analytical skills with a passion for aviation technology., • Good understanding of networking protocols and distributed systems is a plus.

Core Developer (Python) - Algo Trading Firm - London - Up to £350k+ TC (DOE) One of London's most impressive Algo Trading firms is looking for Engineering Wizards to join their team in London. Having arguably one of the best technology teams in the world, the firm is in a stage of hypergrowth, looking to deliver on its ambitious plans to be a leading liquidity provider in the market. The firm is renowned for its advanced tech and above-market-rate compensation (made ~40 of its staff millionaires in the last 2 years). In the role, you would be focusing on highly scalable distributed systems, working directly with the Lead Core Developer, the CTO and other various internal stakeholders. The system you would be designing and the building will be written on Linux, in Python, but will communicate with the C++ Stack. The focus will be on building a very high-performance system dealing with 100M+ transactions daily. Requirements: • Excellent Python skills with a good understanding of relevant libraries., • Significant system design and architecture knowledge for highly distributed systems., • Ability to design, build and optimise high-performing Python systems from scratch., • Previous experience building/upgrading SQL databases would be highly desirable., • Good knowledge of source versioning systems, • BSc in Computer Science or similar STEM subject. We encourage you to apply even if you think you may not currently fit all these requirements – so long as you have proven academics and are willing to work hard and learn, we want to hear from you. Note: if you haven't received a reply within 3 days, your application was unfortunately not accepted. Core Developer (Python) - Algo Trading Firm - London - Up to £350k+ TC (DOE)

Platform Engineer – Trading London (3 days/week) | £150k + significant equity The mission Join an early-stage, VC-backed startup building a trading platform for GPU. Users hedge and speculate on spot prices like any financial market, backed by top-tier investors (including Anthropic backers) and founders from MIT, Cambridge, Oxford. The role This is a greenfield platform engineering role with complete ownership over the core architecture. You'll design and build the systems powering real-time trading from the ground up, working directly with exceptional founders on one of the most ambitious infrastructure challenges at the AI/compute-financial markets intersection. Clear path to VP/CTO leadership. What you’ll do • Architect the full platform stack (Python, TypeScript, Golang) handling trading engine, pricing models, hedging mechanisms and marketplace functionality., • Build scalable, low-latency systems for real-time order matching, risk management and market data distribution., • Design resilient infrastructure that can handle massive compute trading volumes with 24/7 reliability., • Integrate with compute providers, exchanges and financial protocols while maintaining strict security and compliance., • Collaborate directly with founders on technical roadmap, hiring strategy and product evolution, with full flexibility to introduce new technologies and paradigms. What you bring • Deep platform/distributed systems experience in high-stakes environments (trading, fintech, infra or high-throughput services)., • Strong proficiency across Python/TypeScript/Golang (or equivalent polyglot stacks) with proven ownership of production-grade systems., • Expertise in real-time systems, performance optimisation, fault tolerance and scalable architectures under uncertainty., • Experience with financial protocols, market data feeds, order matching or compute infrastructure is a strong plus., • Thrives in greenfield environments: making architectural trade-offs, shipping fast, iterating based on live feedback. Why you might care • Early-stage opportunity to define a category-leading platform at the nexus of AI compute economics and financial markets., • £150k base + substantial equity upside with world-class founders and elite VC backing., • London-based, hands-on technical leadership role tackling novel problems with brilliant minds and rapid impact.

Our client is a global, multi-billion AUM quantitative investment manager operating across all major liquid markets. With a strong track record and a research-driven culture, they continue to scale aggressively across trading and technology. They are now looking for a Software Engineer to join a high-impact derivatives team responsible for the accuracy, automation and reliability of all futures and options lifecycle processes across the firm. You will design, build and maintain scalable systems that manage expiries, contract rolls, corporate actions, coupon payments and other lifecycle events, ensuring full data integrity for front-office trading and research teams. Tech Stack: Python/C#, SQL, distributed systems, CI/CD pipelines The core function of this role is to ensure the availability, quality and automation of derivatives reference data and lifecycle workflows across global exchanges, directly supporting trading, operations and risk. The firm offers market-leading compensation and a collaborative engineering culture.

Infrastructure Support Engineer – AWS Location: London Comepnsation: £200,000+ A leading global quantitative investment firm is seeking an experienced Infrastructure Support Engineer with strong AWS expertise. This role offers the opportunity to maintain and optimize a secure, scalable cloud infrastructure supporting advanced trading strategies. Responsibilities: • Manage and support AWS environments using core services such as EC2, S3, and VPC., • Troubleshoot and resolve complex infrastructure issues independently., • Automate cloud operations using Terraform, CloudFormation, Python, and Bash., • Monitor performance and costs, implementing optimizations as needed., • Collaborate with development teams to support application deployment and operations., • Assess new cloud technologies to improve infrastructure reliability and security., • Document processes and support knowledge sharing across teams. Requirements: • Proven hands-on experience with AWS services and cloud infrastructure., • Strong troubleshooting skills in complex, distributed environments., • Proficiency with scripting languages and configuration management tools (Ansible, Terraform)., • Experience with container technologies such as Docker, ECS, and Kubernetes., • Knowledge of Windows and Linux system administration., • Familiarity with performance tuning and cost management in the cloud., • Agile development experience and strong communication skills. This position offers the chance to play a key role in maintaining critical infrastructure within a fast-paced, innovative environment. Candidates with a passion for AWS and cloud infrastructure are encouraged to apply.

Affinity Labs: Founding Engineer (Backend) Location: London Area, United Kingdom · On-site Company Description At Affinity Labs, we’re building the future of company creation, a full-stack AI venture studio that partners with content creators to co-found authentic, scalable software businesses. By combining AI-native development with creator-led distribution, we're pioneering a new model of monetisation by to rapidly build, launch, and scale digital ventures aligned with creators and their audiences. We aim to launch ventures 10x faster and cheaper than traditional methods using our internal "AI factory": a multi-agent architecture, reusable component libraries, and a growing knowledge graph that learns from every product we ship. Why Affinity Labs: Ship at rapid pace with AI-accelerated workflows, see your work distributed to thousands of users at launch, and compound impact across multiple product, not just one. Role Description You’ll lead end-to-end backend development across our products: scoping services, designing data models and APIs, building, testing, shipping, and iterating in tight cycles. This is an early-stage, hands-on role with significant autonomy and responsibility to drive backend product development, collaborating closely with founders, creators, and product/design to turn lean specs into reliable, scalable services. Responsibilities • Implement features end-to-end on the backend (APIs → data models → integrations) and maintain quality while moving fast., • Run tight build, test, iterate, ship loops; provide realistic estimates and surface blockers early., • Manage tech debt pragmatically; record key decisions as lightweight ADRs/notes in the tooling., • Participate in daily standups and weekly planning, contribute to technical strategy & execute from Linear tickets., • Contribute to architecture and product discussions; be heard in debate, align to unified decisions., • Own operability: set up and maintain CI/CD, monitoring/alerting, performance & error budgets, and safe rollback paths., • Build and integrate AI features (LLM/agent workflows, RAG/vector DB integration, eval hooks, cost/safety guardrails). Essential Requirements • 3-6+ years building production backends/services, with shipped work and clear ownership., • Strong Python (FastAPI) and database skills (PostgreSQL/MongoDB); solid API design fundamentals., • Familiarity with AWS serverless patterns and Docker for bespoke services; basic CI/CD concepts., • Comfortable with Redis (caching/sessions) and common queue/messaging patterns., • Startup mindset: high ownership, pace, ambiguity; willing to burn the midnight oil when needed., • Growth mindset & flexibility: open to feedback; not rigid about stack/tools., • Clear communicator & collaborator; lean on your experience to guide product decisions., • Evidence of shipping quickly in small teams (links to repos, case studies, or live services). Desired • Node.js alongside Python for services or integrations., • Experience with vector databases (e.g., Chroma) and embedding pipelines., • LangChain or CrewAI for orchestration; MCP servers for integrations., • Security hygiene (secrets, permissions, least-privilege) and practical data-privacy basics., • Planning & execution in Linear (or similar). Tools & Stack • Backend/Runtime: Python (FastAPI), Node.js., • Datastores: PostgreSQL, MongoDB (as appropriate), Redis (caching/sessions)., • Vectors/Embeddings: Chroma (or similar)., • AI Models & APIs: Claude (Anthropic), Gemini (Google); Amazon Nova Canvas (vision), Deepgram (audio)., • AI Dev Tools: LangChain or CrewAI (orchestration), MCP servers (integration), GitHub Copilot / Claude Code., • Infrastructure: AWS (serverless functions), Docker (primarily for custom MCPs)., • Frontend (when needed): React/Next.js (for dashboards/admins, used selectively). Competencies & Behaviours • Communicates clearly with technical and non-technical teammates., • Takes ownership from concept to deploy and through maintenance., • Balances technical excellence with pragmatic delivery to meet business needs., • Adapts quickly to changing requirements and emerging tech; applies AI learnings., • Sets clear goals, tracks progress, and hits commitments; collaborates across disciplines. Why this role is a career launchpad • Own the code & the company. You step in as a Founding Engineer with a meaningful equity stake from day one., • Ship faster with AI at your side. Our workflow bakes in AI so you spend your time solving real problems—not boilerplate., • Ride a rocket. Our wider vision is big and the bar is high; we need driven people who can help us achieve an ambitious roadmap., • Grow like crazy. You’ll architect, build, and launch multiple products each year. The shipping reps you’ll get in 12 months here would take 3–4 years in a typical startup. There’s a lot of work, it’s high intensity, and the expectation is to ship extremely quickly., • Learn from builders, not bosses. Work shoulder-to-shoulder with a team that has scaled VC-backed startups, closed multi-million-pound term sheets, and collaborated with 1,000+ creators across formats and categories.

Location: London, UK Industry: Investment Banking We’re looking for an experienced Backend Developer to join a leading investment bank and help drive innovation that empowers people and businesses across Asia, Africa, and the Middle East. This role is part of the Blade function, delivering strategic initiatives that make a real impact. Prior banking experience is highly desirable. The Key Responsibilities As a senior developer, you’ll be driving our platform forwards and delivering quality solutions to business-critical customer requirements. Based in London, you will collaborate in a dynamic global team with fellow technologists, business analysts, project managers and business stakeholders across multiple locations. Key Attributes • An excellent Java developer with good software design principles and the ability to write robust code and accompanying test suites, • Ability to write efficient, clear code and be able to articulate what has been implemented and why, • Self-starter who can drive/facilitate requirements and development effort, • Take ownership and responsibility for the full development lifecycle, • Experience working in an agile development environment, • A team player, capable of engaging with other teams, • Experience in the end-to-end design, development and support of financial markets systems, • Experience with real-time (event-driven) architectures, • Being a full-stack web developer is a plus Technical skills: • 5+ years hands on development with investment banking IT experience, • Core Java (essential), Concurrency, Spring, • RX Java is a plus, • Experience in micro-services and container technologies (preferably Docker) is a plus, • Familiarity with CI/CD and DevOps, • Experience with distributed data stores a plus, • Functional programming experience a plus Functional skills: • Financial Market domain knowledge, • Investment banking is a strong plus, • Derivatives knowledge is a plus, • e-trading technology experience is a plus Soft skills: • Fluent in English (speaking and writing), • Strong ownership and ability to deal with ambiguity, • Outstanding problem-solving skills, • Proactive, self-starter, autonomous, • Good team spirit Rate: GBP 600 - 650/day (negotiable) PAYE inside IR35 (Annual leave: 38 days including Bank Holidays + 3% Pension + 15% Employees NI)

Founding Engineer | London (Hybrid) | £200,000 + Equity At Dex, we're helping build the early, elite teams for London's most ambitious companies. We are partnered with exceptional, 'breakout' AI startups, some you'll know, some in stealth, all with world-class backing (YC, A16Z, etc.) and truly game-changing missions. The Opportunity This is not a typical "big team" leadership role. We are looking for proven technical leaders, CTOs, ex-founders, and top-tier Principal Engineers, who are still deeply technical and want to keep building! Our partners are scaling fast. They need leaders who can own and scale core product, infrastructure, and help lead strategy, whilst also writing the code to make it happen. You will be a force multiplier, defining the "how" for a small, world-class team and solving the hardest technical challenges. What You’ll Work On • Define and own the technical strategy for core, business-critical AI products., • Lead the architecture and build the next-generation of scalable, high-performance systems that can handle millions of users and complex AI workloads., • Solve the hardest problems in applied AI: from model fine-tuning and novel RAG techniques to high-throughput, low-latency data infrastructure. What You'll Have • A proven track record: You have been a CTO, Founder (especially from YC/EF), or a Principal/Staff Engineer at a successful, high-growth startup., • Expert, "hands-on" skills in TypeScript and building complex distributed systems., • Deep expertise in architecting and deploying complex AI/ML systems (LLMs, RAG, data platforms)., • You've likely done this before, and are raring to do it again, faster, better, and with a world-class team. If you’re interested, apply here to head to the website, where you can sign up and speak to us. After your call, you'll be sent the full details, as well as be matched with other teams that we think you’ll love.

Role: Distributed Systems Software Engineer - Up to £190k + Bonus Salary: Up to £190k + Bonus Location: London (Hybrid) Skills: Language agnostic, just need to be a keen technologist (Ideally experienced in Rust, Python or C++) This firm is an elite company with high tech standards who have previously set tech world records. They are made up of some exceptionally talented individuals who above all are passionate about using the latest and greatest tech and pushing it to the limits. They’ll find the best team to suit your skillset/interests but you could be working on: • Designing and developing scalable, tested and production grade distributed systems, • R&D work for functional programming; either pre-existing languages (such as Rust and Erlang), or purpose-built languages similar to OCaml, • Building out Machine Learning Infrastructure and tweaking research models What else is in it for you? • Software Engineers are treated as the company's #1 asset, • Low attrition rate; people working there love what they do on a daily basis!, • Very friendly, tight-knit environment, • Flat structure, with a clear progression route

Role: SRE Skills: Deep Linux, Scripting - Python, DevOps, Kubernetes Salary: £500k Plus Location: London The ideal candidate comes from a top-tier tech environment (FAANG, elite trading, hyperscale infra). They have experience building technology 0→1, owning systems end-to-end, and working close to the metal. They will operate across everything from bare-metal Linux to modern build and observability stacks. Overview Join a core engineering group as Lead Site Reliability Engineer, designing and scaling Linux platforms that underpin ML/AI-driven trading. You will architect and own reliability for massive simulation, HPC, and production workloads—ensuring ultra-reliable, ultra-fast trading systems. This is a hands-on, leadership role focused equally on technical depth, strategic decision-making, and driving platform SRE excellence. Key Responsibilities • Lead SRE practices for Linux platforms powering low-latency, high-throughput trading workloads., • Architect, optimize, and tune Linux for performance, resilience, and minimal latency., • Drive incident response, root cause analysis, and continuous reliability improvement across production systems., • Oversee system automation and reproducibility—build, deploy, and fleet-manage bare-metal Linux and containerized stacks., • Manage and enhance Kubernetes clusters, network configuration, and large-scale orchestration., • Set observability standards; expand monitoring, alerting, and performance metrics across platforms., • Analyze networking, kernel-level performance, and distributed systems—solving core challenges in a multi-petabyte, multi-cluster environment., • Build Python tools for automation, reliability engineering, and performance analysis., • Design highly distributed systems What You Will Work On • Ultra-reliable, high-performance trading infrastructure where every engineering optimization affects performance, • Next-generation simulation and HPC compute pipelines, supporting ML/AI workflows at scale., • Integration and continuous improvement of internal and open-source tools for automation and reliability., • Strategic platform direction: shaping foundational systems for critical infrastructure in an elite trading environment. Team and Culture • Small, autonomous Linux SRE team with direct ownership and impact., • Collaborative engagement with quants, researchers, and trading experts to deliver robust platforms., • A culture built on deep technical ownership, learning, and high standards of performance engineering Apply now for an informal confidential chat!

Junior Applied Scientist London — Onsite Our client are building context-aware agentic systems that augment data science, software, and product teams inside large enterprises. The systems reason over complex organisational data, take multi-step actions, and integrate deeply with existing business workflows. We are now expanding the Applied Science team and are looking for exceptional early-career researchers who want to work on cutting-edge ML in a fast-moving product environment. This role is ideal for candidates finishing (or recently completing) a PhD at a top university, with a research track record at leading ML/AI conferences. As this is a role within the Applied team, candidates must be confident in their ability to move research through to production. What You’ll Work On • Develop and iterate on core models for context-aware enterprise agents, including planning, retrieval, grounding, and multi-step decision pipelines., • Conduct research on any ML frontier relevant to agentic systems e.g., LLMs, multimodal models, structured reasoning, data generation, or video-text modelling., • Build robust training, evaluation, and benchmarking setups for new model variants and agent behaviours., • Prototype new agent capabilities and work closely with engineering teams to turn them into production-quality features., • Analyse failure modes of agents in real customer environments and design methods to improve reliability, grounding, and actionability., • Contribute to internal research papers, technical memos, and (where appropriate) external publications. Who You Are • Currently completing or recently completed a PhD in Physics, Mathematics, Machine Learning, Computer Science, or a related field from a top university., • Strong publication record at leading venues such as NeurIPS, ICML, ICLR, ACL, CVPR, ICCV, or EMNLP., • Solid understanding of modern ML architectures (transformers, diffusion, retrieval-augmented systems, reinforcement learning, etc.)., • Strong coding skills in Python and experience with at least one major ML framework (PyTorch, JAX, TensorFlow)., • Ability to bridge high-level research with practical implementation., • Curious, humble, and excited to work on hard technical problems with real enterprise impact. Nice to Have • Experience in agentic or autonomous decision-making systems (not required)., • Prior work on LLM alignment, grounding, tool use, or planning., • Experience with enterprise data environments, knowledge graphs, or retrieval systems., • Hands-on experience with large-scale training, distributed compute, or evaluation tooling. Why Join? • Work on a high-impact ML problem space that blends deep research with real product deployment., • Collaborate with a world-class team of scientists and engineers with prior experience at leading AI labs and tech companies., • Opportunity to publish, attend conferences, and lead impactful research directions early in your career., • Competitive salary, equity, and benefits., • Located in central London with a strong in-person research culture.

Location: London Company: Timebeat.app Reports to: Head of Engineering / CTO About Timebeat Timebeat is building next-generation infrastructure for precise, verifiable time and frequency synchronization across distributed systems. Our technology sits at the intersection of hardware, FPGA design, and large-scale systems, enabling customers to measure, guarantee, and reason about time in ways that were not previously possible. As we scale, we are looking for an FPGA engineer who wants to own major technical initiatives, help shape architecture decisions, and grow into a people- and project-leadership role. The Role This role is ideal for a strong FPGA engineer who is ready to take the next step in their career—moving beyond individual contribution into technical leadership, mentoring, and project ownership. You will remain hands-on with FPGA design while also: • Leading FPGA-centric projects end-to-end, • Acting as a technical point of contact across hardware, firmware, and software teams, • Supporting and mentoring other engineers, • Helping define best practices, processes, and technical direction for FPGA development at Timebeat Key Responsibilities Technical Leadership & Delivery • Own the architecture, design, and delivery of FPGA solutions used in production systems, • Translate system-level requirements into FPGA designs and implementation plans, • Drive design reviews, technical decision-making, and trade-off discussions, • Ensure designs meet performance, reliability, and maintainability requirements Hands-On FPGA Engineering • Design, implement, and verify FPGA logic using VHDL and/or Verilog/SystemVerilog, • Work with high-speed interfaces, clocks, timing closure, and synchronization logic, • Integrate FPGA designs with embedded software, drivers, and system-level components, • Support bring-up, debugging, and validation on real hardware Team Growth & Mentorship • Mentor junior and mid-level engineers through code reviews and technical guidance, • Contribute to hiring and onboarding as the FPGA team grows, • Help define engineering standards, documentation, and development workflows Cross-Functional Collaboration • Work closely with software, systems, and product teams to deliver customer-facing features, • Communicate complex technical topics clearly to both technical and non-technical stakeholders, • Support customer or partner engagements where deep FPGA expertise is required Required Skills & Experience • Strong experience in FPGA design and development in a production environment, • Proficiency in VHDL and/or Verilog/SystemVerilog, • Experience with FPGA toolchains (e.g. Xilinx / AMD, Intel / Altera), • Solid understanding of:, • Clocking and timing constraints, • CDC, synchronization, and deterministic timing, • Debugging FPGA designs on hardware, • Experience owning significant technical components or projects, • Comfortable reviewing others’ work and providing constructive feedback Nice to Have • Prior experience leading small teams or acting as a technical lead, • Experience with time-sensitive systems, networking, or high-precision timing, • Exposure to embedded Linux, drivers, or low-level software interfaces, • Familiarity with formal verification, simulation frameworks, or CI for FPGA, • Interest in growing into an engineering management or hybrid lead role What We're Looking For • An engineer who enjoys both building and leading, • Someone excited by ownership, responsibility, and seeing projects through to production, • A collaborative communicator who raises the bar for those around them, • A pragmatic problem-solver who balances technical excellence with delivery Why Join Timebeat • Work on deep technical problems with real-world impact, • Influence the technical direction of FPGA development from an early stage, • Grow into a leadership role at a fast-moving, highly technical company, • Competitive compensation, flexible working, and strong engineering culture

At Ripple, we’re building a world where value moves like information does today. It’s big, it’s bold, and we’re already doing it. Through our crypto solutions for financial institutions, businesses, governments and developers, we are improving the global financial system and creating greater economic fairness and opportunity for more people, in more places around the world. And we get to do the best work of our career and grow our skills surrounded by colleagues who have our backs. If you’re ready to see your impact and unlock incredible career growth opportunities, join us, and build real world value. THE WORK: RippleX is dedicated to empowering the builders of tomorrow on the XRP Ledger (XRPL), one of the world’s fastest and most reliable public blockchains. We believe in democratizing the digital economy by providing practical support, empowering a community of developers, and offering the expertise of a visionary technology company. The XRPL is a decentralized, public blockchain led by a global community of businesses and developers looking to solve problems and create value. Proven reliable over more than a decade of operation and closing over 90 million ledger, the XRPL offers streamlined development, low transaction costs, high performance, and sustainability. We are looking for a senior engineer to help us maintain this high technical bar, while building innovative solutions to ensure the XRPL can power the growing needs of the global digital economy. WHAT YOU’LL DO: • Increase the capabilities, performance, scalability, and reliability of the XRP ledger., • Participate in the full software development lifecycle, including architecture, technical design, C++ development, bug fixing, as well as functional and performance validations., • Be part of the open-source XRP ledger community, setting high standards for coding, testing, and deployment., • Bachelor’s in computer science or similar, and 8+ years of software product development experience using C++., • Strong experience with large scale distributed systems development and architecture., • Prior team leadership and mentorship experience., • Passion for blockchain technology and its potential benefits., • Ability to learn new technologies and languages quickly., • Ability to independently solve highly complex problems with creative solutions. WHO WE ARE: Do Your Best Work • The opportunity to build in a fast-paced start-up environment with experienced industry leaders, • A learning environment where you can dive deep into the latest technologies and make an impact. A professional development budget to support other modes of learning., • Thrive in an environment where no matter what race, ethnicity, gender, origin, or culture they identify with, every employee is a respected, valued, and empowered part of the team., • In-office collaboration for moments that matter is important to our culture, and we give managers and teams the flexibility to decide which 10+ days a month they come in., • Bi-weekly all-company meeting - business updates and ask me anything style discussion with our Leadership Team, • Competitive salary, bonuses, and equity, • Competitive benefits that cover physical and mental healthcare, retirement, family forming, and family support, • Employee giving match, • R&R days so you can rest and recharge, • Generous wellness reimbursement and weekly onsite & virtual programming, • Generous vacation policy - work with your manager to take time off when you need it, • Industry-leading parental leave policies. Family planning benefits.