Full stack jobs in United Kingdom

Love being on the move and interacting with people from all walks of life? Proud to deliver quality goods on time and put a smile on thousands of faces every week? Join Ocado Logistics where there are bags of possibilities. It’s our mission to provide an outstanding customer experience. Whilst others might call you delivery drivers, here at Ocado Logistics our Customer Service Team Members play a vital role, delivering top quality products on time and in an efficient manner. You’ll be out on the road whatever the weather, but you’ll never have to fight over the radio station, and you can sing along as loud as you like! In return, we use our automated technology to pre plan your route and pre-load your van! Everyone likes their groceries at different times, so our working patterns will involve evenings and weekends in addition to weekdays - so on top of your base pay you will receive premiums that will increase your average hourly earnings to £13.75 per hour. You can also stack your earnings further with enhanced overtime to fund those special occasions! All your breaks are paid, meaning for every minute at work you get paid. That’s a great deal! (Everyone’s shifts will vary but more information is included at the bottom of this advert to help you understand what that might look like.) Whilst a safe working environment goes without saying, we offer a shopping list of perks that you can tailor to suit your lifestyle, including: • Company pension of up to 7% matched contributions after just 3 months, • An enhanced digital health and wellbeing service, including virtual GP appointments, for you and your dependents, • Hundreds of high street shopping, entertainment and restaurant discounts, • Life insurance coverage from day one of employment, • 15% off your weekly shop with Ocado.com, • Loads more voluntary benefits such as dental and travel insurance at a discounted price You don’t need any previous experience to join our good-natured team, just bring yourself and a positive attitude, and our amazing training team will do the rest! But you will need the following Driving Licence Requirements: • Full UK or EU driving licence., • Minimum of 6 months driving experience (12 months experience is desirable)., • Maximum of 6 penalty points. As this is a customer facing role, good communication skills are also essential. How to apply: • Fill in an online application - there is no CV needed!, • Our friendly recruitment team will get in touch to conduct an Online Licence Check and Right to Work Checks., • You will be invited to take a tour of the site, giving you the opportunity to meet the team for a question-and-answer session, • We will run a Disclosure Barring System check (DBS). Contract Hours: 40 hours (including paid breaks) Contracted days: You will be required to work any 5 days out of 7 working 8 hour shifts, and will be provided with further information during pre-boarding. Shifts: AM & PM. You may start as early as 05:30 in the morning, and can finish as late as 12:00 (midnight). Please check your commute time prior to applying. You will receive your shift rota up to 13 weeks in advance. Pay Structure: The position is lunar paid. This means you will be paid every 4 weeks according to a monthly schedule. Please take this into consideration when applying. Hourly Pay Rate: Monday to Saturday (Basic Rate): £13.26 Evening Premium (from 6pm): £1.12 Sunday Day Premium: £1.33 Sunday Evening Premium: £2.56 Overtime rate Monday to Saturday (Day Shift): £16.58 Overtime rate Monday to Saturday (Evening Shift): £17.98 We are proud to be a Disability Confident employer, prioritising inclusivity and equal opportunities for all individuals, ensuring a supportive and accessible workplace for people with disabilities. So, whatever your background or story, you’ll find a home at Ocado Logistics.

Love being on the move and interacting with people from all walks of life? Proud to deliver quality goods on time and put a smile on thousands of faces every week? Join Ocado Logistics where there are bags of possibilities. It's our mission to provide an outstanding customer experience. Whilst others might call you delivery drivers, here at Ocado Logistics our Customer Service Team Members play a vital role, delivering top quality products on time and in an efficient manner. You’ll be out on the road whatever the weather, but you’ll never have to fight over the radio station, and you can sing along as loud as you like! In return, we use our automated technology to pre plan your route and pre-load your van! Everyone likes their groceries at different times, so our working patterns will involve evenings and weekends in addition to weekdays - so on top of your base pay you will receive premiums that will increase your average hourly earnings to £13.75 per hour. You can also stack your earnings further with enhanced overtime to fund those special occasions! All your breaks are paid, meaning for every minute at work you get paid. That’s a great deal! (Everyone’s shifts will vary but more information is included at the bottom of this advert to help you understand what that might look like.) Whilst a safe working environment goes without saying, we offer a shopping list of perks that you can tailor to suit your lifestyle, including: • Company pension of up to 7% matched contributions after just 3 months, • An enhanced digital health and wellbeing service, including virtual GP appointments, for you and your dependents, • Hundreds of high street shopping, entertainment and restaurant discounts, • Life insurance coverage from day one of employment, • 15% off your weekly shop with Ocado.com, • Loads more voluntary benefits such as dental and travel insurance at a discounted price You don’t need any previous experience to join our good-natured team, just bring yourself and a positive attitude, and our amazing training team will do the rest! But you will need the following Driving Licence Requirements: • Full UK or EU driving licence., • Minimum of 6 months driving experience (12 months experience desirable)., • Maximum of 6 penalty points. As this is a customer facing role, good communication skills are also essential. How to apply: • Fill in an online application - there is no CV needed!, • Our friendly recruitment team will get in touch to conduct an Online Licence Check and Right to Work Checks., • You will be invited to take a tour of the site, giving you the opportunity to meet the team for a question-and-answer session, and have a relaxed chat as part of a light touch interview, • We will run a Disclosure Barring System check (DBS). Contract: Your contracted workweek is 40 hours, which can be scheduled as either four 10-hour days or five 8-hour days within a seven day period. Shifts: AM & PM. You may start as early as 05:30 in the morning, and can finish as late as 12:00 (midnight). Please check your commute time, and transport options, prior to applying for this position. You will receive your shift rota up to 13 weeks in advance. Pay Structure: The position is lunar paid. This means you will be paid every 4 weeks according to a monthly schedule. Please take this into consideration when applying. Hourly Pay Rates: Monday to Saturday (Basic Rate) £13.28 Evening Premium (from 6pm) £1.12 Sunday Day Premium £1.33 Sunday Evening Premium £2.56 Overtime rate Monday to Saturday (Day Shift) £16.60 Overtime rate Monday to Saturday (Evening Shift) £18.00 We are proud to be a Disability Confident employer, prioritising inclusivity and equal opportunities for all individuals, ensuring a supportive and accessible workplace for people with disabilities. So, whatever your background or story, you’ll find a home at Ocado Logistics.

Love being on the move and interacting with people from all walks of life? Proud to deliver quality goods on time and put a smile on thousands of faces every week? Join Ocado Logistics where there are bags of possibilities. It’s our mission to provide an outstanding customer experience. Whilst others might call you delivery drivers, here at Ocado Logistics our Customer Service Team Members play a vital role, delivering top quality products on time and in an efficient manner. You’ll be out on the road whatever the weather, but you’ll never have to fight over the radio station, and you can sing along as loud as you like! In return, we use our automated technology to pre plan your route and pre-load your van! Everyone likes their groceries at different times, so our working patterns will involve evenings and weekends in addition to weekdays - so on top of your base pay you will receive premiums that will increase your average hourly earnings to £13.75 per hour. You can also stack your earnings further with enhanced overtime to fund those special occasions! All your breaks are paid, meaning for every minute at work you get paid. That’s a great deal! (Everyone’s shifts will vary but more information is included at the bottom of this advert to help you understand what that might look like.) Whilst a safe working environment goes without saying, we offer a shopping list of perks that you can tailor to suit your lifestyle, including: • Company pension of up to 7% matched contributions after just 3 months, • An enhanced digital health and wellbeing service, including virtual GP appointments, for you and your dependents, • Hundreds of high street shopping, entertainment and restaurant discounts, • Life insurance coverage from day one of employment, • 15% off your weekly shop with Ocado.com, • Loads more voluntary benefits such as dental and travel insurance at a discounted price You don’t need any previous experience to join our good-natured team, just bring yourself and a positive attitude, and our amazing training team will do the rest! But you will need the following Driving Licence Requirements: • Full UK or EU driving licence., • Minimum of 6 months driving experience (12 months experience is desirable)., • Maximum of 6 penalty points. As this is a customer facing role, good communication skills are also essential. How to apply: • Fill in an online application - there is no CV needed!, • Our friendly recruitment team will get in touch to conduct an Online Licence Check and Right to Work Checks., • You will be invited to take a tour of the site, giving you the opportunity to meet the team for a question-and-answer session, • We will run a Disclosure Barring System check (DBS). Contract Hours: 40 hours (including paid breaks) Contracted days: You will be required to work any 5 days out of 7 working 8 hour shifts, and will be provided with further information during pre-boarding. Shifts: AM & PM. You may start as early as 05:30 in the morning, and can finish as late as 12:00 (midnight). Please check your commute time prior to applying. You will receive your shift rota up to 13 weeks in advance. Pay Structure: The position is lunar paid. This means you will be paid every 4 weeks according to a monthly schedule. Please take this into consideration when applying. Hourly Pay Rate: Monday to Saturday (Basic Rate): £13.26 Evening Premium (from 6pm): £1.12 Sunday Day Premium: £1.33 Sunday Evening Premium: £2.56 Overtime rate Monday to Saturday (Day Shift): £16.58 Overtime rate Monday to Saturday (Evening Shift): £17.98 We are proud to be a Disability Confident employer, prioritising inclusivity and equal opportunities for all individuals, ensuring a supportive and accessible workplace for people with disabilities. So, whatever your background or story, you’ll find a home at Ocado Logistics.

The package£60,000 salaryA stake in the success of the company through share optionsFast-growing company with plenty of room for progression34-days holiday, including bank holidays. The company…Our client is an ambitious, fast-growing EdTech disruptor.

Senior Software Engineer (Full-stack) -. As a Senior Software Engineer, you'll work across our Python and TypeScript stack, contributing wherever the team needs you most.

Full Stack Typescript experience (Front end focus). The role is very autonomous, requiring you to work across the stack, collaborating with different stakeholders, variety of work on offer.

Full Stack Engineer / Developer (TypeScript API React) London / WFH to £60k.Are you a bright, ambitious technologist who enjoys working with a range of programming languages across the full tech stack?.You could progress your career at a scaling tech company that has developed a digital distributio

Requirements for Mid-Level Full Stack Engineer | Audio Intelligence IoT Scale-up | Well Funded - Tech-for-good | TypeScript/Next. Good experience in back-end development with Node. Computer Science / Mathematics degrees from good universities.

If you want a full-stack role with real ownership, smart colleagues, and a modern technical environment, this is one of the top opportunities in London right now. Full Stack Post Trade Developer – Elite Systematic Hedge Fund – C#, Angular/React, SQL – London – Multiple Headcount – Market L

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:

Full Stack Product Engineer – SaaS Startup 🚨. Full Stack Product Engineer – SaaS Startup 🚨. Due to increasing customer demand, they’re expanding their engineering team and looking for product-minded engineers to join them on their journey.

At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn.

Full-Stack Engineer (AI Focused) | Technology, Information and Internet | London | Up to £200,000 + Equity.I’m working with a fast-scaling AI company backed by top-tier investors and already working with some of the most recognisable organisations in the world.They’re building an AI-native work

Java Developer / Software Engineer (AWS React Full Stack) London / WFH to £80k. As a Java Developer you will join a small team to build systems from the ground up, working across the full technology stack with a focus on designing, developing and deploying cloud-native microservices that form the c

Senior Full Stack Engineer – AI Startup – Up to 150k 🚀🧠. Senior Full Stack Engineer – AI Startup – Up to 150k 🚀🧠. Are adaptable and comfortable working across their stack.

Decho Group is a fast-growing Tech and AI consultancy, founded to solve complex data challenges for governments and enterprises. We’re seeking Full stack Data Engineers , across all levels from Junior to Senior Manager, who want to apply their technical skills in AI consultancy and Palantir engine

Full-Stack Engineer | Product Engineering (FastAPI, React, Supabase) | AI Start Up. Full-Stack Engineer | Product Engineering (FastAPI, React, Supabase) | AI Start Up.

To help us achieve this, we're seeking a Full Stack Software Engineer to join our team! We're particularly looking for someone with strong. As a Safe Intelligence Full Stack Software Engineer, you will:. Work proficiently across the entire stack to develop and integrate new features related to model

I’m hiring a full-stack Software Engineer for a small, high-velocity team building an AI-native platform used by major financial organisations.

Senior Full Stack AI/ML Engineer. Optimise performance, reliability, and efficiency of existing AI solutions. This role focuses on taking AI models built by a third-party provider and turning them into.

• Head of Engineering, • £110,000–£130,000 + EMI Options, • London (mostly onsite) We’re partnering with a purpose-led London fintech scaleup solving real-world financial challenges through smart, accessible technology. With solid backing, strong user traction, and a mission that’s resonating across the UK, this is a company on the rise. You’ll join at a pivotal moment, with the chance to influence how technology scales and how the engineering culture is built. The Head of Engineering will own both the technical direction and team development — combining strategic oversight with hands-on impact. You’ll shape engineering culture, delivery practices, and future scaling, while still staying close to the code. The Head of Engineering will… • Lead and grow a 6‑person onshore/offshore engineering team, • Set technical strategy and evolve a scalable, secure architecture., • Familia with Typescript, JavaScript & React full stack engineering environments., • Drive delivery quality with improvements across CI/CD, DevOps, testing and reviews, • Partner with the CEO and Product to align tech with commercial goals, • Remain hands‑on with code, unblock challenges, and maintain high standards You will need… • 5+ years of software engineering experience with leadership responsibilities, • Hands‑on experience in modern backend environments (e.g., cloud‑native APIs) with AWS, Docker, PostgreSQL and/or MongoDB., • Prior experience managing distributed teams, • Strength in architecture, system design and scaling strategies, • Excellent communication: you'll be working closely with execs and stakeholders Why you’ll love it… • £110,000–£130,000 base + EMI share options, • Full autonomy to shape tech culture from the ground up, • Clear growth path: scale to a multi‑team org within 12–18 months, • 25 days holiday + birthday off, Cycle to Work & Pension salary sacrifice, • £1,000+ annual learning budget, • Collaborative, mission‑led culture If you have the right amount of Software Engineering leadership experience with a hands-on approach to leading teams & scaling technology platforms, please apply ASAP with a copy of your CV.

Full Stack Engineer – AI Startup – Up to 85k 🚀🧠 💰 Salary: £60,000 - £85,000 + meaningful equity 🏙️ Location: London, flexible working arrangements, ideally 1/2 days in office 💻 Tech Stack: Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) Our y-combinator backend client are building an elite engineering team within the AI space. The platform is being used across the globe and is delivering high level impact to their customers. If you're highly ambitious and want to solve real-world problems with the latest in AI and LLMs, this role is for you. In this role, you’ll: 🔧 Build and ship high-impact software 🧠 Work on AI/LLM-powered automation tools used in production 🏗️ Help shape scalable systems and infrastructure 🌍 Work collectively across teams to push the product forward 💻 Be working end-to-end on both backend and frontend You’ll thrive in this role if you: ✅ Love building and shipping quickly ✅ Enjoy working closely with customers and value their needs ✅ Are excited by deep technical challenges and solving them simply, don't over complicate it ✅ Bring ideas and improvements to their engineering processes ✅ Are adaptable and comfortable working across their stack ✅ Understand the working dynamics of a fast paced start-up If this role sounds like it could be of interest, apply now! Senior Full Stack Engineer – AI Startup – Up to 85k 🚀🧠

Senior Full Stack Engineer (React, Typescript, Node, AWS) HealthTech, up to £90k London (once or twice per fortnight in office) Troi Search are delighted to be partnering once again with this innovative & mission driven HealthTech client. We’re now looking for a Senior Full Stack Engineer who enjoys balancing hands-on coding with architectural thinking. You’ll build scalable, secure, cloud-native products used in real clinical environments, and collaborate closely with product and design to turn complex problems into elegant solutions. What you’ll do • Build and scale full-stack features using TypeScript, Node.js, and React, • Design reliable, observable systems running in the cloud (AWS), • Champion CI/CD, automated testing, and zero-downtime deployments, • Mentor engineers and raise engineering standards, • Experiment with emerging tech like AI, computer vision, and advanced analytics What we’re looking for • 5+ years building SaaS or enterprise software, • Strong experience with React, Typescript, Node & AWS Technologies, • Solid cloud and DevOps knowledge, • Comfort working in data-sensitive or regulated environments, • A pragmatic mindset with a bias for delivery Why join • Build technology that genuinely impacts patient care, • High ownership, low bureaucracy, real influence, • Salary up to £90k, Flexible working, strong benefits package plus a learning budget Sound like you? Apply now!

Fiber Cabling Technician Location: London (Field-Based) Type: Full-time / Permanent Full UK Driving Licence Required Salary: £38,000-£42,000 + Van + Tools + Fuel Card Mon–Fri, 8am–4pm Are you an experienced cabling technician who thrives in fast-paced environments and enjoys working across multiple sites? Our rapidly expanding infrastructure services company is looking for a Data Center Cabling Engineers to join our energetic, growing team. If you take pride in high-quality installation work and have a can-do attitude, we want to hear from you. The Role This is a field-based position, travelling between client sites in and around London. You will be responsible for delivering high-standard fibre and copper cabling services across data centres. Your Responsibilities • Install, terminate, and test fibre (single & multi-mode) and copper (Cat5e/6/6a) cabling, • Complete patching, labelling, and documentation to professional standards, • Perform rack & stack installing servers, switches, PDUs, cabinets, and hardware, • Work confidently with conduit, trunking, tray, ladder rack, and all containment systems, • Conduct site visits, surveys, and troubleshooting as required, • Collaborate with project teams to meet deadlines and deliver quality installations, • Represent the company professionally while travelling from job to job Experience Required • Proven experience working in multiple data center environments, • Strong fibre & copper installation, termination, and testing experience, • Familiarity with Fluke or similar certification equipment, • Experience with structured cabling standards and containment systems, • Comfortable working independently in a field-based role, • Must hold a full UK driving Licence, • Overtime available for evening/weekend work when required Why Join? • Work for a company experiencing rapid growth with strong project demand, • Genuine opportunities to progress, gain new skills, and grow with the business, • Supportive, enthusiastic team culture where a positive, can-do attitude is valued, • Varied work across high-profile data centres

Full-Stack Developer - Finance Technology (Java, Spark, Cloud) - Global Investment Bank We’re hiring a Full-Stack Developer to join a high-impact Finance / Regulatory Technology team within a leading global investment bank working on business-critical regulatory reporting platforms. You’ll help modernise legacy systems and build strategic, cloud-based data solutions used across the firm. You’ll work in a collaborative Agile squad focused on Java services, Spark data pipelines, and cloud transformation, partnering closely with Finance and Regulatory teams. Key Responsibilities • Build and enhance full-stack applications for regulatory and financial reporting, • Develop Java backend services and Spark-based data pipelines, • Modernise platforms to cloud-native architecture, • Work with large, complex datasets in an Agile environment, • Contribute to CI/CD, DevOps, and automated testing Skills & Experience • Full-stack development experience, • Java (Scala exposure a plus), • Spark / distributed computing, • Azure Cloud, • Relational or cloud databases (Snowflake, Sybase), • Front-end frameworks (Angular or similar), • Unix/Linux, Agile, DevOps experience

*Note that the job description below is for a full stack dev. If you specialise in either frontend or backend and fit the role description below, we would still love to hear from you. Who we are Wondercraft is an AI video studio that makes it easy for anyone to create video. It brings together the latest AI models across video, images, voice, and sound, and organises them into simple, guided workflows. This allows people without editing expertise to create professional, business-ready video. AI video for business has largely meant avatars until now. That was the first wave. Today, advances in visual AI have opened up far richer possibilities, beyond talking heads. Video generation is no longer the bottleneck. Making it usable is. Role Description You will help Wondercraft define the future of its AI video studio. You will work with the engineering team to build features towards that vision, and work closely with the design and customer success team to refine user experience. Specially you will be focusing on: • You will be designing and architecting the feature alongside the design team, customers, and our CEO/CTO, • You will work on both the front-end and the backend of a feature. At Wondercraft, everyone touches everything., • You will work with the design team to refine specs and designs for a feature you’re working on. We are looking for You’ll have the opportunity to own critical features and contribute to the overall architecture of Wondercraft, and work with cutting-edge technologies and solve challenging problems. We would love to hear from you if you are: • Someone with 3-5 years experience as a full stack dev in a fast growing company. Former founding engineer or engineering lead preferred., • Someone who is proficient in Python, React, Typescript, NextJS, AWS, and Terraform, • Someone who thrives in a fast-paced environment and is hungry for impact. We are young and eager, and we need you to be eager to contribute to the same vision we have., • Someone who is a natural when it comes to ownership. You are good at following instructions, but also goes out of your way to think about what truly makes a feature top notch., • Someone who is a team player and a strong communicator, who works collaboratively with both the internal and external teams to drive high-quality results., • Someone who is based in London, UK or willing to relocate to London. We believe bouncing ideas off of each other in the office keeps us close and propels us forward constantly., • Ultimately, we’re looking for someone with a “leave it with me” attitude, who can ingest chaos and output a high-quality product. And in it for you • £80k - £100k + equity based on experience and skills you bring to Wondercraft, • Take what you need holiday, • 2 days a week WFH, • Private health insurance

Are you passionate about building AI-driven features, automation tools, and scaling innovative solutions? We're looking for a Full Stack Developer with 2+ years of experience to join our forward-thinking team remotely! What you’ll do: • Build and optimize AI-powered features across products., • Develop sophisticated CRM functionality., • Create robust automation tools to transform workflows. Tech Stack You'll Work With • Frontend: Next.js (App Router), React, JavaScript, TypeScript, Chakra UI, TailwindCSS, shadcn/ui, • Backend: Supabase (PostgreSQL, Auth, RLS, Storage), • AI/ML: OpenAI, Anthropic Claude, LangChain, Vector Databases, • Deployment: Vercel, GCP Must-Have Skills • Core Languages: TypeScript, JavaScript, Python, • Databases: MySQL, PostgreSQL, JSON, • Frameworks: Next.js & React, incl. App Router (Server/Client Components, Server Actions), • Proficiency in Supabase (database design, RLS, auth flows), • Third-party API App Integration (incl. OpenAI, AI/LLM APIs), • AI/ML: RAG implementation (Vector Databases, embeddings, semantic search), • Stripe or Payment Gateway integration, • Solid Deployment Skills (e.g., Vercel, GCP), • Experience with Git, Postman, and Webhooks for version control, API testing, and event-driven integrations Nice-to-Have Skills • Experience with CRM or sales tools development, • Knowledge of multi-tenant SaaS architecture Salary Structure • 6-Month Probation: USD 500 – 700/month, • Post-Probation: 1.5x – 2x Probation Pay Scale Why Join Us? • Work 100% remotely with a global, dynamic team., • Collaborate on cutting-edge AI projects., • Opportunity to innovate and grow in tech-forward industries. Ready to take your career to the next level? Apply NOW and let’s build the future of AI-powered automation together!

Software Engineer London / Hybrid | Perm Role £80,000 - £100,000 Harrington Starr has partnered with a fast-growing fintech that’s transforming how businesses manage foreign exchange and treasury operations. Their technology enables clients to access institutional-grade execution, automate manual workflows, and gain greater transparency across their financial processes. Handling billions in transactions each year, they continue to expand their product offering and deliver cutting-edge solutions that help clients manage risk more effectively. The Role This is an excellent opportunity for an experienced Software Engineer — ideally with a background in financial technology or FX — to join a high-performing engineering team within a scaling fintech. You’ll be instrumental in developing and enhancing the company’s core trading and treasury systems, building new features, improving performance, and driving integration across their technology stack. Key Responsibilities • Develop and maintain software across the full stack, • Contribute to architecture and design decisions, • Support, optimise, and maintain production code, • Research and integrate new technologies, • Foster a culture of engineering excellence and continuous improvement Key Requirements • 5+ years’ experience working with C#/.NET, • Experience developing front and middle office systems, • Strong SQL skills, • Experience with cloud-native solutions (Azure or AWS), • Knowledge of event-driven, microservices architectures, • Full SDLC experience — from design through delivery and support Key Benefits • Join a fast-scaling fintech building next-generation financial technology, • Work on complex, high-impact systems handling large-scale transactions, • Collaborative, innovative, and growth-oriented team culture, • Hybrid working model with flexibility and autonomy Please apply via the link provided or reach out to me directly to book in a confidential phone call -

A fast-growing AI-driven SaaS company is hiring three Senior Software Engineers to join its engineering team. These are hands-on roles with a strong backend and architectural focus, ideal for engineers who enjoy working in scale up or startup environments and want to build high-quality, cloud-native software that powers real-world automation. You’ll be part of cross-functional squads delivering modern, serverless, AI-enabled applications used in highly regulated industries. The company has a strong engineering culture, embraces AI-assisted development, and offers autonomy, impact, and the chance to help shape technical direction. Role: Senior Software Engineer Salary: £70,000 to £80,000 per annum Location: Fully Remote (UK-based) What you’ll be doing: • Design, build, and optimise scalable software using Node.js, TypeScript, React, AWS Lambda, Step Functions, DynamoDB, • Contribute to architecture discussions and ensure solutions are secure, cloud-native, and maintainable, • Use AI-assisted tooling to speed up development, testing, and debugging, • Work closely with Product, Delivery, and Technical Leads to refine requirements and deliver iteratively, • Mentor junior engineers and conduct code reviews to maintain quality and consistency, • Help drive best practices across DevOps, CI/CD, observability, and secure coding, • Collaborate with other squads to ensure technical alignment across the platform What you’ll need: • Strong full stack experience with a backend-first mindset, • Expertise in Node.js, TypeScript, React, and modern cloud engineering, • Hands-on experience with AWS serverless, particularly Lambda, Step Functions, DynamoDB, • Solid understanding of scalable architecture and performance optimisation, • Experience in scale ups, startups, or SMEs where speed, ownership, and adaptability matter, • Strong debugging, problem solving, and delivery skills, • Interest in or experience with AI-assisted engineering tools (e.g. GitHub Copilot), • Comfortable working in agile squads and contributing across the full SDLC What’s on offer: • £70,000 to £80,000 per annum, • Fully remote working across the UK, • Modern AI-first engineering environment, • Real ownership and impact in a growing product-led team, • Opportunity to shape tooling, workflow, and engineering standards, • Clear progression path into Technical Lead, • Collaborative culture with a focus on high-quality engineering and continuous improvement If you’re a hands-on engineer who enjoys building scalable backend systems, working cloud-first, and embracing AI-assisted development, this is a great opportunity to join a fast-moving team solving meaningful technical challenges.

AI Partner | London (Hybrid) | £80,000 - £95,000 We’re working with a digital delivery business that connects organisations with high-quality near- and offshore development teams. As AI becomes core to modern software delivery, they’re hiring an AI Partner with a strong software engineering background to shape how AI capability is assessed, embedded, and scaled across their partner network. This role is for a hands-on engineer, not a theorist, who can evaluate real-world AI systems, review code and architectures, and build internal tools that improve how partners are vetted and matched to client work. What You’ll Do • Identify and onboard AI-capable development agencies with proven engineering depth, • Technically vet partners through code reviews, architecture discussions, and solution assessments, • Own and evolve an AI maturity model grounded in real software delivery experience, • Act as a technical authority for sales and delivery teams on AI-led projects, • Build internal AI automations and tooling using APIs, scripts, or no/low-code platforms What We’re Looking For • Extensive experience as a software engineer (backend or full-stack preferred), • Proven hands-on experience with AI tools (e.g. building GPT-based apps, using LangChain, or integrating APIs)., • Strong understanding of software architecture, systems design, and delivery trade-offs, • Experience working with digital agencies, consultancies, or delivery partners, • Pre-sales experience or exposure to client-facing technical roles is a big bonus What's in it for you: 💰Salary: £80,000-£95,000 📍Location: London (Hybrid) 📈Autonomous position with huge development opportunities

This is a proactive pipelining initiative. We are not actively hiring for this position at the moment. However, we are building a pool of strong Full Stack Engineer candidates to engage and move through the interview process as soon as the role officially opens. About the Role: We are looking for an experienced Full Stack Engineer with strong backend expertise in C#/.NET Core and solid frontend proficiency in React. The ideal candidate will have deep hands-on experience building scalable microservices, developing secure and efficient APIs, delivering high-quality front-end interfaces, and working within Azure-based environments. This role requires strong engineering fundamentals, attention to detail, and the ability to collaborate effectively across teams. Key Responsibilities: Backend Development • Design and develop scalable services using C# / .NET Core (6+)., • Implement and maintain REST APIs aligned with best practices., • Work with Entity Framework Core for database access and ORM operations., • Develop responsive and modular UI components using React., • Work with React Hooks, functional components, and state management (Redux / Context API)., • Work with SQL Server, including stored procedures, indexing, and query optimization., • Ensure data consistency, performance, and scalability across application modules. Required Skills & Experience • 10+ years of professional experience in software development., • Strong backend engineering with C# / .NET Core (6+)., • Solid experience developing REST APIs., • Strong React development expertise., • Proficiency with SQL Server, stored procedures, indexing, and performance tuning., • Practical experience with Azure services: App Services, Functions, APIM, Service Bus, Key Vault, Azure SQL, and Storage., • Hands-on experience with CI/CD pipelines in Azure DevOps or GitHub Actions., • Strong understanding of microservices architecture, event-driven patterns, and authentication (OAuth2 / JWT / Azure AD)., • Excellent communication, teamwork, and problem-solving skills. We’re grateful for your interest in joining our team. Kindly note that only applicants whose experience and qualifications most closely align with the role will be contacted for the next steps. Thank you for your understanding.

Product Engineer | FastAPI, React, Supabase | Generative AI Start Up • Salary: Up to £100k + meaningful equity, • Location: Central London Offices, On-site, • (Sponsorship is not available at this time.) The Role You’ll join a small, high-calibre engineering team building AI-native products from the ground up. In this role, you will work across the full stack to architect, build, and ship production systems powering multimodal AI agents. You’ll design intuitive interaction models for human–AI collaboration, develop scalable backend services, and rapidly prototype new features at pace. You’ll also work directly with the founding team to shape technical direction, defining the platform architecture and helping build a genuinely new category of agent-led product development. This is a true 0→1 engineering environment where you’ll have deep ownership and impact. Non-Negotiables • Full-stack engineering experience with production delivery, • Ability to ship end-to-end features in containerised environments, • Comfortable navigating ambiguity, shifting priorities, and rapid experimentation, • Strong problem-solving mindset with ownership and resilience Nice to Haves • Founder or founding engineer background, • Experience building interfaces for agentic workflows, • Exposure to LLMs, multimodal models, or agent UX (AX), • Experience shaping technical strategy in early-stage teams What You’ll Work With • FastAPI backend development, • React engineering and modern frontend tooling, • Supabase or similar cloud-native backend tools, • LLM agent workflows: tool calling, memory, retries, context updates, • Human–AI interaction models and agent UX (AX) design, • System design, architecture evolution, and scaling pathways, • MCP integrations and multimodal agent capabilities Why join You’ll join a deeply AI-native engineering culture where you’ll help define how humans and agents build products together. You will: • Influence core platform architecture during its foundational stage, • Build and iterate on multimodal agent systems, • Prototype and refine new models of human–agent collaboration, • Work closely with founders on strategy and product direction, • Be part of a high-intensity, supportive team obsessed with building exceptional products Product Engineer | FastAPI, React, Supabase | Generative AI Start Up

Job Role: Lead Software Engineer, React Native Job Type: Full Time, Permanent Location: London, Hybrid (3 office days a week) Role purpose As a valued member of our engineering team, you will contribute to the development of our innovative application using React Native. Working with a modern JavaScript stack, your primary focus will be on coding, testing, and enhancing the functionality of Travelex's and partner mobile applications. In this role, you will collaborate closely with our Principal Engineer and the Mobile Apps team members. While this is primarily an engineering role, we are always looking for developers who have a keen eye for product and who can contribute to the development of features at a product level before they are implemented. If you are eager to be part of a dynamic team, contribute to Travelex's digital-first strategy, and be part of a company that values its employees while prioritizing work-life balance, we invite you to explore this exciting opportunity with us. Key accountabilities and decision ownership: Technical Leadership • Lead the design and implementation of key features and components of our React Native mobile application., • Make informed technical decisions that improve performance, reliability, and scalability., • Participate in architectural discussions and help shape the technical direction of mobile applications., • Provide support and unblock engineers during development, testing, and integration. Project Ownership & Delivery • Own the technical delivery of high-visibility features or workstreams., • Work with Product and Design to refine requirements, contribute to planning, and identify risks early., • Break down complex tasks into clear, manageable deliverables for the team., • Communicate progress and technical considerations clearly to stakeholders. Collaboration & Mentorship • Mentor and support engineers, helping them grow their technical skills and confidence., • Lead by example in code reviews, ensuring best practices and quality standards are upheld., • Help foster a healthy engineering culture based on learning, knowledge sharing, and accountability. Engineering Quality • Champion strong testing, code quality, and performance practices., • Knowledge of best practices in security, performance and accessibility, • Identify areas for improvement within the codebase and contribute to long-term maintenance plans. Skills, knowledge, and experience: Must have: • 8+ years of software development experience, • 5+ years of professional experience in React Native, • Strong proficiency with TypeScript, React Native (or Expo), and mobile development patterns., • Proven track record of shipping complex mobile applications to production, • Comfortable mentoring peers and supporting technical decision-making., • Solid understanding of API integration (GraphQL and/or REST)., • Strong communication skills — able to work effectively with engineers, product managers, and designers., • Experience with native modules and bridging in React Native, • Familiarity with state management libraries (Zustand, Redux, MobX etc.), • Experience with the testing pyramid and tools such as Vitest, Jest, React Native Testing Library, Maestro, Detox Nice to have: • Experience with iOS (Objective-C, Swift) or Android (Java, Kotlin) native development., • Experience with mobile release processes for the App Store and Play Store., • Experience with performance optimisation and profiling in React Native., • Familiarity with analytics and crash reporting tools., • Experience building internationalised mobile applications, • Experience developing white-label applications Why Travelex? To remain the world’s leading foreign exchange specialist, we are focused on making our customers’ lives simpler, more engaging and hassle free while they travel or move money abroad. We promise to give them the freedom and peace of mind to explore the world, their way – enabling them to travel confidently because they know they have us to lean on. Customer centricity and digital are at the heart of our business strategy. Our commitment to innovation has never been greater, with the development of a number of digital-first, greenfield products and services. And with the Travelex's resources, deep industry experience and leading brand we are inventing the future of FX, cross-border e-commerce and international payments. We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

Role : Senior Full Stack Engineer (I) Reporting To : Chief Product Officer Salary : £70,000 - £90,000 dependent on experience Working Location : Hybrid/ London (2 days a week on site at our Old Street office) PropTech | SaaS | Software Development 🏢 About Searchland Searchland is a high-growth, B2B prop-tech company transforming how businesses and individuals access and leverage property data. Our platform empowers property developers, land agents, architects, and planners with real-time insights, helping them make smarter, data-driven decisions when acquiring and developing land. In just five years, we’ve built one of the UK’s most advanced property data pipelines, integrating thousands of data sources and processing terabytes of information with less than 24-hour latency. Our cutting-edge platform is shaping the future of property intelligence 👩🏽 About the Role We’re looking for a skilled Senior Full-Stack Engineer to join our lean and fast-moving team. This is a development-focused role where you’ll take ownership of bringing ideas to life - writing clean, reliable code and shipping high-quality features across the stack. You’ll work on everything from building performant frontends to designing scalable backend APIs and managing database architecture. While product thinking is always welcome, your primary focus will be on turning technical requirements into production-ready solutions. 🎯 What You’ll Do • Design, build, and maintain full-stack features across the platform, • Develop performant and accessible front-end components using React (Vite) + Tailwind CSS, • Build scalable and type-safe APIs with tRPC running on Node.js/Express, • Model and query relational and search-optimized data using PostgreSQL and Elasticsearch, • Contribute to backend architecture, performance tuning, and refactoring work, • Collaborate with technical and non-technical teammates to clarify requirements and break down work, • Own implementation from development through to deployment and monitoring 🌟 You Are You’re a hands-on engineer who enjoys solving real-world problems through clean, pragmatic code. You’re comfortable wearing many hats and enjoy the variety and pace of startup life. You don’t wait for instruction - you look for opportunities to add value and move things forward. You likely bring the folloqing • A track record of shipping and supporting features end-to-end, ideally within lean or startup environments, • Confidence working across the full stack and willingness to dive into new areas when needed, • Clear communication and the ability to work autonomously, • Experience working in a small team or solo engineering set up 🎯 Essential Experience • Right to work in the UK, • 5+ years experience leading software development for a SaaS platform, • Proven experience with our stack (or strong adjacent experience and the ability to ramp up quickly), • Frontend : React (Vite),Tailwind, • Backend : Node.js, Express, tRPC, • Database : PostgreSQL, ElasticSearch ➕ Desired Experience • Previous experience in PropTech and/or start up environments, • Understanding of the UK property/construction market would be a huge plus 🤝 Interview Process • Initial introductory call with our HR team., • A technical task stage before a 45 minute interview with one of our Senior SoftwareEngineers., • Final stage interview with our CTO 🌱 Why Join Us? • Hybrid working: 2 days a week in our Old Street Office, • Compensation : Competitive salary, salary sacrifice pension scheme, EMI Scheme, • Time off & wellbeing: 25 days holiday + bank holidays, birthday off, Christmas shutdown, HealthShield cash plan including dental, • Growth & development: mentoring, clear progression paths, £500 annual personal growth fund, • Tools & perks: MacBook and a home office contribution, • Culture: monthly socials, team lunches, bake-offs, 3 Peaks challenge, and company trips abroad when targets are hit 🌍 Our Commitment to Inclusion We are committed to creating an inclusive and diverse workplace where everyone feels valued and empowered to thrive. We welcome applications from all backgrounds, regardless of race, ethnicity, gender, sexual orientation, disability, age, religion, or any other characteristic. If you require any adjustments during the recruitment process, please let us know—we are happy to support you.

Mid-Level Full Stack Engineer | Audio Intelligence IoT Scale-up | Well Funded - Tech-for-good | TypeScript/Next.js/Node.js | £50K - £65K + Equity | Hybrid 3 Days LDN with Work From Anywhere Benefits Company I am looking for a Mid-Level Full Stack Engineer who wants to be part of an innovative start-up company who are leading from the front in AI Audio Intelligence. They are on a mission to transform how people experience audio across all digital platforms from video calls to broadcasting, podcasts to mission-critical communications. Their technology removes background noise, enhances speech, and delivers crystal-clear audio, helping professionals, creators, and AI systems communicate more effectively. Role You'll join a talented team of like-minded engineers working on their core products and customer facing dashboards to deliver ground-breaking audio algorithms to their clients. • Design, develop, and maintain scalable back-end services using Node.js and related frameworks., • Build and consume APIs, integrate with databases, and manage server-side logic., • Work alongside front-end engineers to implement end-to-end features for dashboards and customer-facing tools., • Contribute to architecture discussions, suggest improvements, and help optimize system performance., • Write clean, testable, and maintainable code., • Collaborate in an agile environment, participating in sprint planning, code reviews, and team knowledge-sharing sessions. Tech Stack • TypeScript, • Next.js, • Node.js, • GCP, • AWS (ML), • CI/CD with GitHub actions and workflows, • SQL (PostgreSQL, MySQL), • NoSQL (MongoDB, Firestore, Redis), • RESTful APIs - GraphQL Requirements for Mid-Level Full Stack Engineer | Audio Intelligence IoT Scale-up | Well Funded - Tech-for-good | TypeScript/Next.js/Node.js | £50K - £65K + Equity | Hybrid 3 Days LDN with Work From Anywhere Benefits • 1 to 4 years of professional software development experience, preferably in a fast-paced or start-up environment., • Good experience in back-end development with Node.js or a similar runtime., • Relational & non-relational database experience (PostgreSQL/NoSQL), • Familiarity with front-end frameworks like React.js, • Experience with Docker, REST APIs, and cloud services (AWS, GCP, or Azure)., • A pragmatic problem solver who can balance delivering features with maintaining code quality., • Strong communication skills and ability to collaborate across teams., • Computer Science / Mathematics degrees from good universities Nice to haves; • Python experience., • GCP experience., • Experience with AI/ML-powered applications., • Exposure to real-time data processing., • Knowledge of CI/CD pipelines and automated testing. Remuneration & Benefits • £50K - £65k + Equity (once probation is passed), • 40 days holiday per year (Christmas off), • Hybrid in London - 3 days per week (Mon/Tues/Thurs) If you want to hear more about the Mid-Level Full Stack Engineer | Audio Intelligence IoT Scale-up | Well Funded - Tech-for-good | TypeScript/Next.js/Node.js | £50K - £65K + Equity | Hybrid 3 Days LDN with Work From Anywhere Benefits please apply ASAP with a CV and we will give you a call if we think you are a match! 😊

Company Description The rise of AI has transformed the information landscape; online disinformation campaigns and manipulated narratives - once rare or irrelevant - are now everywhere. The internet is at risk of becoming a dead zone filled with GenAI ‘slopaganda’. Superhuman AI makes it increasingly difficult for humans to detect hyperrealistic bots, so the team at Egregious have designed AI algorithms to protect the internet from these novel threats. We're looking for another Fullstack Engineer to join our extraordinary team. Someone who thinks the internet is worth defending, and who is determined to have an outsized impact on the future of the web. Role Description This is a full time on-site role for a Full Stack Engineer at Egregious HQ in London. As a Full Stack Engineer, you will be responsible for creating AI agents which can autonomously engage with users and tools, create frontend user workflows, orchestrate Kubernetes clusters, and create APIs and observability infrastructure. Working closely with our Data Scientists, you will also implement novel frontend components to visualise data and support customer insight generation and decision-making. Skills • Outstanding Python, FastAPI, asyncio and Postman/Insomnia, • Strong Git, Docker, Kafka, Kubernetes and Azure/AWS/GCloud, • Good understanding of Playwright, Selenium/Nodriver, Beautifulsoup, • Good React, Vite, Javascript, CSS, Tailwinds, • Good understanding of asynchronous request handling and RESTful APIs, • Good understanding of proxies, browser tracking, cookies and browser fingerprinting, • Experience with PostgreSQL, MySQL, ElasticSearch, MongoDB or similar, • Strong problem-solving and critical thinking skills, • Excellent communication skills, adaptability and resilience, • Perform well under pressure and keen to do deep technical research Application Info • Unfortunately we can't sponsor Visa holders, • Candidates must have been resident in the UK for the last 5 consecutive years, • This is a full-time onsite role in Old Street, London, • Immediate start date, • No recruiters please Graduate and junior applicants welcome !

Here at Venator, we are working with an eCommerce company who have UK's biggest technology platform - they have a live mobile application as well as a web based application- the company is now looking to grow! Please Note- this is a hybriod role but will require you to be in the office (London) 4 days per week. You will have 20 work from anywhere days added on top which you can use to make soime weeks 2 days a week from home. Please also note - sponsorship is not an option here unfortunately. The role As a Senior Software Engineer, you will: • Understand complex business problems then propose and implement technical solutions, • Have input into the architecture, working closely with the Head of Technology and other senior team members, • Work with other engineers and the business to improve user experiences, • Bring your experience and enthusiasm to our engineering culture, • Promote excellence with technical mentoring, feedback, and code reviews, • Participate in planning sessions, retrospectives, stand-ups and demos, • Join us in curating a codebase to be proud of, driving for quality, maintainability and testability The candidate • You have built great products for the web and/or mobile, • You have analysed business problems then scoped and built technical solutions to solve them, • You can quickly become productive using our backend or frontend technologies, or both, • You’re excited about understanding the real problems working people come up against and fixing them with technology, • You can work well in small teams to deliver radical improvements, • You will be proud to show how you’ve impacted other parts of a business and delivered results, • You will be pushing frameworks and languages for good business reasons, • You stay up-to-date with developments in AI and are comfortable using AI tools to boost your productivity and problem solving The tech Our core technologies are: • Python on the server side, using Django as a web framework, and Django Rest Framework for our API, • Angular and TypeScript on the client side for our mobile apps and booking flow, • Next.js and React for parts of our marketing website, • Ionic for hybrid and progressive mobile apps, • PostgreSQL for our database, using some of its advanced geographic modelling capabilities, • Metabase for analysis and self-serve data exploration, • Redis for caching and task queues, • GitHub, Codeship and Heroku for seamless code review, integration and deployment, • Claude Code for agentic coding, • AWS S3, CloudFront and Lambda for storage and content delivery, • Cypress for end-to-end testing, • Third party APIs: OpenAI, Stripe, Twilio, Sendgrid, Mailchimp and more Our tech culture We follow an agile development process with fortnightly sprints. We keep meetings to a minimum, but the ones we do have are highly valuable. We strongly believe in ownership and you will be responsible for taking your features from development through to testing, deployment and design review with end users. We take code quality seriously. We have a preferred code style and we use automated linting, code formatting and other code inspection tools to detect common errors and ensure consistency. We run an extensive suite of unit, integration and end-to-end tests on every git push and deploy. Perks • Share options, • 25 days holiday allowance + bank holidays, • Flexible hours and work-from-anywhere days, • Free trial cleans and discounted recurring cleaning, • Cycle to Work scheme, • Salary sacrifice gym membership scheme, • Access to Employee Pricing Programs, • Sponsored learning, including conference tickets and travel, • Choice of hardware, OS and IDE – you do you, • Posh Christmas and Summer parties, • Tons of sponsored team socials, • Casual dress code

About Medly AI We're the fastest growing EdTech startup in London, on a mission to change education forever. We're living through a once-in-a-generation moment where AI-native companies are redefining entire industries - Cursor for code, Midjourney for image gen, Harvey for law. Medly is building a generational company for education. In just 4 months since launch, we've achieved retention rates that beat Duolingo and delivered personalized education to over 100,000 users. We're looking for ambitious talent to join our team. Backed by impact-focused VCs and supported by partners including UCL, Innovate UK, Microsoft, and Google, we're becoming the go-to AI education platform for all major exams worldwide. The Role We are looking for a passionate Senior Fullstack Engineer to join our growing team at Medly. This is a new role working closely with our hands-on Technical CEO and other Full Stack Engineers to architect and scale our platform as we grow rapidly. You will play a pivotal role in high-impact projects such as optimizing performance for hundreds of thousands of users, designing scalable system architecture, mentoring junior engineers, and making key technical decisions that shape our product. This is a high-impact opportunity for someone ready to take significant ownership, solve complex challenges at scale, and help power the next generation of educational technology. Role Responsibilities • Architect and build scalable features across our web app (Next.js) and mobile app (React Native), • Design and optimize our Python backend for high performance and reliability at scale, • Lead database architecture decisions and optimize Postgres for growing data volumes, • Own critical infrastructure on AWS, ensuring high availability and cost efficiency, • Drive technical decisions and establish best practices across the engineering team, • Mentor junior engineers and contribute to a culture of engineering excellence, • Collaborate closely with the CEO and other Full Stack Engineers on high-impact projects Technical Requirements • 3+ years of fullstack engineering experience in high-traffic production environments (100k+ users), • Strong proficiency with Next.js and modern React patterns, • Deep knowledge of Python and building performant backend services, • Advanced SQL skills and experience optimizing Postgres at scale, • Experience with AWS services (EC2, RDS, Lambda, S3, or similar), • Track record of building and maintaining systems that handle significant user load Ideal Candidate • Quality Focus: Obsessive attention to detail and commitment to shipping polished, bug-free experiences, • Collaborative Spirit: Ability to work closely with designers, product managers, and other developers, • Educational Interest: Passion for education and learning, though specific EdTech experience isn't required, • Startup Mindset: Thrives in fast-paced environments with rapid iteration and high impact, • Innovation Drive: Excited by the opportunity to build cutting-edge educational technology What We Offer • Competitive salary, • Opportunity to make a real impact on educational outcomes for students worldwide, • Collaborative, diverse team united by a powerful mission, • Fast-paced environment with significant growth and development opportunities, • Regular team events and a culture focused on innovation and impact, • Work on products used by tens of thousands of students daily, • Shape the future of AI-powered education

ABOUT US Fortell.ai works with vulnerable populations across the United States, using conversational voice and SMS AI to transform government intake. We help people navigate complex eligibility rules in plain language, capture complete applications, and give public agencies real-time insight to deliver services faster, fairer, and at scale. About the role We are looking for a skilled Full-Stack Developer with strong experience in Python and LiveKit as well as TypeScript and Next.js to help us build and scale real-time, voice-driven AI applications. You will work across backend real-time systems and modern web frontends—developing LiveKit agents, building API integrations, and delivering internal and customer-facing dashboards. This role sits at the intersection of real-time communications, AI agents, and developer-friendly web platforms. You will collaborate closely with our team to ship production-ready systems that combine low-latency media pipelines with robust web interfaces. Key Responsibilities Backend / Real-Time Systems • Design, develop, and maintain Python-based LiveKit agents., • Integrate LiveKit agents with OpenAI APIs and other LLM / AI services., • Build and maintain real-time, event-driven backend services for voice and conversational agents., • Containerize and deploy services using Docker on Azure (AKS, ACI, App Service, or similar)., • Monitor, debug, and optimize real-time system performance in production. Frontend / Web Platform • Build and maintain TypeScript / Next.js applications., • Develop API integrations, internal tools, and customer-facing dashboards., • Implement clean, scalable frontend architectures for interacting with LiveKit agents., • Collaborate with backend engineers to define and consume APIs., • Ensure good UX, performance, and reliability across web applications. Cross-Functional • Work closely with product team to deliver new features end-to-end., • Contribute to CI/CD pipelines, internal tooling, and developer workflows., • Participate in code reviews and help establish best practices across the stack.Requirements, • 3+ years of professional software development experience., • Strong experience with Python, including building production backend services., • Hands-on experience with LiveKit or similar real-time communication frameworks., • Strong experience with TypeScript and Next.js for building modern web applications., • Experience building API integrations, dashboards, or internal tools., • Solid understanding of Docker and cloud deployments (Azure preferred)., • Experience integrating with OpenAI APIs or other LLM services., • Familiarity with real-time, streaming, or event-driven architectures., • Proficiency with Git, CI/CD, testing, and modern development workflows., • Ability to work independently in a fast-paced, product-driven environment.Nice-to-Have (Bonus Skills), • Experience building voice-enabled or conversational AI agents., • Knowledge of WebRTC, audio streaming, or real-time media pipelines., • Experience with React component libraries, data visualization, or analytics dashboards., • Familiarity with additional cloud providers (AWS, GCP)., • Background in AI/ML, NLP, or speech technologies (STT/TTS). We are looking for a skilled Full-Stack Developer with strong experience in Python and LiveKit as well as TypeScript and Next.js to help us build and scale real-time, voice-driven AI applications. You will work across backend real-time systems and modern web frontends—developing LiveKit agents, building API integrations, and delivering internal and customer-facing dashboards. This role sits at the intersection of real-time communications, AI agents, and developer-friendly web platforms. You will collaborate closely with our team to ship production-ready systems that combine low-latency media pipelines with robust web interfaces. Key Responsibilities Backend / Real-Time Systems • Design, develop, and maintain Python-based LiveKit agents., • Integrate LiveKit agents with OpenAI APIs and other LLM / AI services., • Build and maintain real-time, event-driven backend services for voice and conversational agents., • Containerize and deploy services using Docker on Azure (AKS, ACI, App Service, or similar)., • Monitor, debug, and optimize real-time system performance in production. Frontend / Web Platform • Build and maintain TypeScript / Next.js applications., • Develop API integrations, internal tools, and customer-facing dashboards., • Implement clean, scalable frontend architectures for interacting with LiveKit agents., • Collaborate with backend engineers to define and consume APIs., • Ensure good UX, performance, and reliability across web applications. Cross-Functional • Work closely with product team to deliver new features end-to-end., • Contribute to CI/CD pipelines, internal tooling, and developer workflows., • Participate in code reviews and help establish best practices across the stack.Requirements, • 3+ years of professional software development experience., • Strong experience with Python, including building production backend services., • Hands-on experience with LiveKit or similar real-time communication frameworks., • Strong experience with TypeScript and Next.js for building modern web applications., • Experience building API integrations, dashboards, or internal tools., • Solid understanding of Docker and cloud deployments (Azure preferred)., • Experience integrating with OpenAI APIs or other LLM services., • Familiarity with real-time, streaming, or event-driven architectures., • Proficiency with Git, CI/CD, testing, and modern development workflows., • Ability to work independently in a fast-paced, product-driven environment.Nice-to-Have (Bonus Skills), • Experience building voice-enabled or conversational AI agents., • Knowledge of WebRTC, audio streaming, or real-time media pipelines., • Experience with React component libraries, data visualization, or analytics dashboards., • Familiarity with additional cloud providers (AWS, GCP)., • Background in AI/ML, NLP, or speech technologies (STT/TTS).

About Sownd Affects Sownd Affects is developing the world's first Audio Inclusivity Certification Standard. Built on the insight that 30 percent of the population are noise sensitive, we are on a mission to change how people socialise and to inspire venues to build acoustically enhanced spaces that make socialising more enjoyable for everyone, especially the noise sensitive. Our work combines acoustics expertise, behavioural insight and modern software systems to create a new global standard for sound in social spaces. About the Role We are seeking a technically skilled and pragmatic Full Stack Developer to architect and implement the next major phase of our internal operations system. This Back Office platform is critical to the rollout of our audio inclusivity certification and must be reliable, scalable and easy for our team to use. This is a project based contract. We will define a clear set of deliverables and agree a fixed project fee. You will work on your own schedule, with the expectation of being available for at least 2 hours between 10am and 4pm from Monday to Friday for questions or unblockers. Once delivered, there is likely to be ongoing maintenance and iteration work as the product grows. About the Team You Will Work With You will work directly with the founders and our Head of Product. We are a small, fast moving team of experienced tech entrepreneurs who work hands on and are passionate about using AI tools to increase speed and quality across the business. You will also have access to a CTO for occasional guidance, though you will own the build of this Back Office system. This is a high trust, low bureaucracy environment where clarity, autonomy and fast decision making are valued. Key Responsibilities • Architect and implement a Back Office web application using React Admin, • Integrate the Back Office with our main website and ensure reliable backend logic and data flow, • Set up and manage a Postgres database hosted on Supabase for venues, clients, acoustic measurements and certification data, • Define and document a clear and scalable data model that supports all certification and reporting requirements, • Build workflows for ingesting and transforming acoustic engineer reports in PDF or structured formats, • Implement an easy to use data upload mechanism for ongoing ingestion of client information and acoustic measurements, • Implement QR code generation linked to public certification pages, • Ensure the architecture is clean, maintainable and aligned with the required tech stack, • Produce clear documentation and a full handover so the internal team can operate the system confidently, • TypeScript, • Node.js, • Next.js, • React Admin, • PostgreSQL, • Prisma ORM, • Supabase, • TailwindCSS, • Monorepos using tools like TurboRepo or NxRequired Skills and Experience, • Proficiency with TypeScript, Node.js and Next.js, • Experience with relational databases and Prisma ORM, • Experience integrating APIs and building data transformation workflows, • Comfortable working with admin tooling and Back Office style systems, • Ability to work independently with clear communication and fast problem solving, • Pragmatic and comfortable operating in a startup environmentNice to Have, • Experience working with Supabase, • QR code generation and public routing logic, • Knowledge of hosting platforms like Vercel or AWS, • Experience in digital certification, measurement workflows or IoT style integrations, • Experience building admin tools using React Admin or similar Interview Process • Send your CV to careers(at)sownd.co.uk and a short message telling us why you want to work with us and summarising your experience with the listed tech stack, • Short interview, • Project based contract with an agreed fixed fee, • Work on your own schedule with at least 2 hours available between 10am and 4pm, Monday to Friday, • Likely ongoing work as the system grows, • Immediate start and rapid delivery expected, • Remote first, • No recruiters, please

Application Software Engineer – JavaScript A fantastic opportunity for talented Software Developers, to join an industry-leading software company in Cambridge offering the opportunity to work on a wide variety of web application infrastructure projects using a diverse toolset, with an emphasis on JavaScript, Node.js and related frameworks. Location – You can choose to be based from the London or Cambridge office (3 days on site, 2 days remote) Salary – Negotiable + comprehensive benefits Requirements for Application Software Engineer – • History of academic excellence including a 2:1 or 1st class honours degree from a leading university plus AAB at A Level (or equivalent UCAS points), • Solid commercial experience using JavaScript and ideally, node.js and related technologies/frameworks - top new graduates considered for the Cambridge office, • You class yourself as a tech innovator and the idea of shaping products and suggesting new technologies really appeals, • Ability to quickly pick up new technologies – working in JavaScript you’re aware new technologies/frameworks emerge all of the time, and you will need to stay abreast of the latest and best technologies to apply to any given project, • Good communication skills Responsibilities for Application Software Engineer – Graduate Considered Work on web applications using a diverse toolset based around JavaScript technologies. While there will be opportunities to work across the stack. The current tech stack includes: Web (UI): JavaScript (backbone.js, d3.js, three.js, pdf.js), Less/CSS Web (Backend): Node.js, PostgreSQL, Elasticsearch, Redis • Develop, deploy and maintain web application infrastructure, • Be a tech innovator and put ideas forward to the team, • If you are keen there is the opportunity to mentor junior members of staff What the role offers: • The chance to work on a diverse toolset of cutting-edge tech, • Working for a leading software company who have a fantastic track record of successfully training and promoting internally, • A great remuneration and benefits package Applications: • If you would like to apply for this unique Developer role then please send your CV via the relevant links! Keywords – Software Engineer / Application Developer / Back-End Software Engineer / node.js developer / node.js Software Engineer / Full-Stack Developer / UI/UX Developer / JavaScript Developer / Vue.js Developer / MEAN Stack Developer / MERN Stack Developer / Meteor.js Developer / Express.js Developer / Web Design Engineer / Web Integration Developer / Web Architect / Software Engineer (Web) / Web Systems Developer/ Web Software Engineer / Web Programmer / JavaScript / Node.js / backbone.js / HTML5 / Less CSS / Computer Science / Web Development / Web Software Engineer / PHP Astrophysics / Software Engineering / JavaScript / React.js / AngularJS / Vue.js / Node.js / ExpressJS / Web UI / Front-end / full-stack / back-end / Developer RedTech Recruitment Ltd focus on finding roles for Engineers and Scientists. Even if the above role isn’t of interest, please visit our website to see our other opportunities. We are an equal opportunity employer and value diversity at RedTech. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

Do you want to shape how LLMs are deployed at scale in a real business? Have you built RAG or agentic systems that moved beyond experimentation? Are you motivated by measurable customer and commercial impact, not demos? A private-equity-backed consumer services business is scaling its Data Science & AI capability as part of a multi-year transformation. Following an award-winning data programme, the company now has an established AI function and is investing further in LLM-powered assistants, RAG pipelines, voice/chat intelligence and early agentic workflows across both customer-facing and internal products. This Senior AI Engineer role is a hands-on individual contributor position, sitting between Data Science and AI Engineering. You will lead AI proof-of-concepts, design retrieval and context strategies, contribute to the AI architecture, and ensure solutions are robust, scalable and commercially grounded. The role spans the full AI lifecycle, from data preparation and model evaluation through to deployment and optimisation. Key responsibilities • Lead development of LLM and AI proof-of-concepts, • Design and implement RAG pipelines and agentic workflows, • Define evaluation frameworks for LLM quality and response accuracy, • Partner with product and engineering on chat flows and continuous improvement, • Contribute to AI platform architecture and best practices, • Mentor junior ML / AI engineers (no formal line management) Key details • Salary: £80,000 base + 10% bonus, • Pension: 5% matched, • Working model: Hybrid, 3 days per week (Tuesday & Wednesday fixed), • Location: Central London, • Stack: Python, Databricks, RAG, vector databases, Azure (preferred), LangChain / LangFuse, • Visa: This role cannot sponsor Interested? Please apply below.

Title: Software Engineer in Test Company: Specialist Technology / eCommerce Platform Location: London – 2-3 days a week Salary: up to £60,000 + benefits Tech essentials: Javascript and either Cypress or Playwright Interview process: 3 stage interview process Why should you be interested in this opportunity? • You’ll be part of a dynamic multi-disciplinary team, taking ownership of Automated Testing, • They have recently been acquired by another successful business, providing a larger community of QA / Developers to work with and enjoy the ride together, • You’ll be given the freedom to make this role 100% yours and trusted to suggest appropriate tools and frameworks and improve processes, • You’ll work directly alongside passionate founders who want to deliver a world-class customer experience, • Each day you’ll be listened to as the expert you are, to solve interesting and complex challenges that are pivotal to the overall direction of the business (you will be valued!) Why they’ll be interested in you - • You'll have enough experience behind you to see problems before they occur, to educate the team and modernise QA strategy, • You’d be comfortable building upon an existing robust, scalable Test Automation framework with a bias towards frontend UI - React, • From planning to execution, you’ll know full-stack testing and how to implement modern approaches for maximum impact (Web/API/early visibility of quality on CI/CD pipelines), • You’ll be excited to start learning about Performance/Load testing, even if this is new to you If interested at all then please do apply, the right individual is more important than the perfect skill match! Keen to find out more?

We are a small London startup with the ambition to change education with ML-powered tutoring. Our flagship product is a mobile application for teaching English to intermediate and advanced learners. We’re on the verge of solving one of the biggest challenges in education – making high-quality, personalised learning accessible to everyone. What was once technologically impossible is now within our grasp. We’re looking for a Senior Full Stack Developer to join our growing development team. What you will do 🚀 • Design and implement a new high-scale system for millions of users., • Build convenient CI/CD processes and testing pipelines to support quick iterative development and system stability., • Work on ML model development with our team to build robust data pipelines and deploy ML models., • Analyse large corpora of data and build real-time recommendation systems., • Work with large amounts of data in different modalities (text, video, images, audio), • Work in a very cross-functional team, side by side with mobile developers, product managers, ML engineers, and designers. Essential skills 🙏 • Build high-load applications from scratch., • Deep knowledge of AWS., • Architecture planning and estimation skills (time, users, traffic, money, algorithmic complexity, cache, etc.)., • Architecture scalability and simplicity., • Research skills (new APIs, libraries, services, and their estimations)., • CI/CD automation pipelines., • Proficiency with Terraform and Docker., • SOLID, KISS principles, decomposition principles, and resolving monolith vs. microservices trade-offs., • Experience with SQL and NoSQL databases., • Best practices in building scalable mobile APIs (REST, HTTPS, etc.)., • Good principles of security management (secrets, protocols, etc.)., • Experience with some Python web frameworks (Django, Flask, FastAPI, etc.). Desirable Skills 👌 • Can speak, or learning to speak, more than one language, • Experience with real-time databases., • Experience with in-memory databases., • Experience with frontend frameworks., • Experience in developing educational products., • Knowledge-sharing experience (tech talks, articles, YouTube videos, etc.)., • Experience (even non-production) with different types of programming languages: interpreted, compiled, with garbage collection, manual memory management, reference counting memory management, etc. What we can offer ✨ • A real-deal startup adventure: you'll be hopping on a major project while it's still in the works!, • A crew all about people and products., • Work from our London office., • Freedom to suggest, implement, and test ideas., • Unlimited learning & development budget., • We also offer substantial relocation assistance to support your move, if required. Interview Process 🧪 • Intro call, • 3 technical interviews, which will all cover, • Problem Solving, • Architecture Design and Product Design, • Domain/Platform Knowledge After all interviews, we would like to invite you to work with us in our London office for 1-2 paid test days. If everything goes well, we will make an offer to the successful candidate.

Full Stack Engineer / Developer (Python TypeScript) London / WFH to £120k Are you a technologist with start-up experience looking for your next opportunity? You could be progressing your career at a tech start-up that is producing an AI native data pipelining platform. As a Full Stack Engineer within a small team, you will build and implement new features across the full tech stack, with a focus on backend Python and TypeScript and some React work on the front end. You'll take ownership and work across the full development lifecycle, collaborating with customers to build and scale the product. The work is interesting and complex, you'll be able to contribute to the product vision and strategy playing a pivotal role in the company's success. Location / WFH: You'll join colleagues in the London office (close to Waterloo) with flexibility to work from home twice a week. About you: • You have strong backend Python coding skills, including API development, • You have full stack experience, including TypeScript and React (or another framework), • You have a good understanding of system design and scalability, • You're familiar with other technology in the stack including: AWS, Terraform, Docker, PostgreSQL, DynamoDB, CI/CD, GitHub actions, Blacksmith runners, • You're collaborative and pragmatic with great communication skills, keen to input into technical discussion and decision making What's in it for you: As a Full Stack Engineer you will receive a competitive package: • Salary to £120k, • Equity, • Impactful role with excellent career progression as the company scales, • Hybrid working, • Pension Apply now to find out more about this Full Stack Engineer / Developer (Python TypeScript) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Director of Engineering (Hands-On) • Remote-first (Quarterly meet-ups in London or more), • Salary Range: £120,000 – £145,000 + benefits We’re partnered with a profitable, product-led technology company operating in the global workforce / vendor management space. Founded over a decade ago, the business has less than 100 employees and is experiencing 50% year-on-year growth, disrupting a $200bn+ global market The company is led by an experienced CEO who has previously scaled a well-known consumer tech business, and the platform is trusted by household-name brands across fintech, media, e-commerce and delivery. They’re now hiring a hands-on Director of Engineering to lead the next phase of technical growth. The Role: This is a builder-leader role, not a pure people-management position. You’ll take ownership of engineering execution, architecture and technical direction while remaining meaningfully hands-on Key responsibilities: • Lead 12 Senior Engineers across 3 teams, • Remain up to 40% hands-on, with a strong backend focus, • Own architecture and infrastructure decisions for a core platform, • Set technical standards and delivery practices, • Work closely with Product and Senior Leadership on high-impact initiatives, • Build and launch a 4th engineering team later in the year Tech stack: Python, Django, TypeScript, React, GraphQL, Heroku (Backend-leaning, full-stack awareness expected) Who They’re Looking For This role suits a strong technical DOER with leadership capability. You don’t need to have held a Director title before. If you’ve led 4+ engineers and owned systems end-to-end, that’s enough. You might currently be: • A Lead Engineer / Engineering Lead, stepping into further leadership, • An Engineering Manager or Head of Engineering who is still deeply technical in the Python stack, • A Director of Engineering in a startup or scale-up, running a <20 person Engineering org, who prefers to stay close to the code You’ll bring: • Deep backend experience (Python/Django strongly preferred, but other frameworks are fine), • Confidence making architectural and infrastructure decisions, • Product and commercial awareness, • Startup or scale-up experience is critical, • A pragmatic, ownership-driven mindset What’s on Offer • £120,000 - £145,000 base salary (dependent on experience), • Competitive benefits package, • Remote-first culture, with quarterly in-person meet-ups in London, • High autonomy, real technical ownership, and a senior, capable engineering team, • Clear progression to CTO

Join the Fractionus.com as a Fractional AI Leader. Architect AI interest into shipped outcomes: diagnose high-impact use-cases, prioritise by impact × feasibility, and lead short sprints that deliver measurable results (weeks, not quarters). Typical work includes: RevOps agents, CX automations, retrieval-augmented knowledge tools, internal copilots, data pipelines, and light governance/evals. Contract/project-based, remote, matched to brands where your experience fits. Are you a brand hiring for this role instead? Contact us to talk with our pre-vetted talent — Fractionus offers on-demand expertise, allowing businesses to scale with pre-vetted industry leaders in days, not weeks. Access top talent in marketing, strategy, operations, finance, technology, and creative fields — without long-term overheads. Fractionus specialises in providing fractional talent to deliver full-time impact. Fractional Head of AI Qualifications • Shipped 2+ production AI projects with a clear business metric (share it)., • Orchestration (Python/TS), n8n/Make, webhooks, Vercel/AWS., • Comfortable moving discovery → scoped plan → shipped MVP., • Depth with LLM APIs, retrieval (embeddings/vector DB), tools/agents, and evals., • Excellent leadership and project management abilities, • Strong background in Computer Science and Data Science, • Clear comms, async docs, tight handoffs., • Systems thinking across ops/marketing/support., • Familiarity with CRM/marketing/support stacks (Salesforce/HubSpot/Klaviyo/Zendesk/Gorgias/etc. What you will do • Run discovery/triage calls; rank use-cases by impact × feasibility., • Draft a 2-week plan: scope, owner, stack, success metric., • Lead a sprint to ship one real win (agent, RAG tool, or automation)., • Pick tooling, set evals/guardrails/observability; keep it sane and measurable., • Communicate async-first; 1–2 sync calls/week max., • Hand off cleanly to client ops; no long consulting tails. How It Works • You apply once., • We vet every expert., • When a brand needs your skillset — we match you directly., • We get you the work and get you paid. Apply directly at Note: This is not a full-time role with just one company. It’s a marketplace to get matched with multiple fractional opportunities through the Fractionus platform.

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! 😊