Full stack engineer jobs in London - Page 5Create job alerts

Company: Owen Thomas | Pending B Corp – exclusive partnership with a rapidly scaling social media platform using generative AI.

A leading digital mental health provider in the UK seeks a Full-Stack Developer to drive the development of its innovative mental health platform.

Senior Full Stack Web Engineer - Crypto.City Of London, England, United Kingdom.Since our beginnings in 2017, Keyrock has become a leading change‑maker in the digital asset space.We now have more than 200 team members across 42 nationalities, with hubs in London, Brussels, Singapore, and Paris.Our

Our software powers the world’s leading investment firms (across private equity, VC, infrastructure, credit etc.At Atominvest, you’ll be working on something very exciting: the future of work, investments and sustainability/ ethical investing for the world’s best investors, and delivering a po

Location: London (hybrid working 3 office days per week) Employment Type: Permanent, full time Additional Benefits: Annual Bonus, Cash-Car Allowance & Private Medical Insurance We’re Supercharged – And This Is Just the Beginning. The AA is entering a bold new era with AI at the wheel. We’re building a dedicated AI capability, and we’re looking for passionate pioneers to shape what comes next. We’ve recently replatformed onto a modern data stack, unlocking access to one of the UK’s richest datasets—from detailed vehicle fault histories to real-time connected car telemetry. Now, we’re turning that data into intelligent systems that keep Britain moving. As an AI Engineer , you’ll lead a team tackling real-world challenges with direct impact. Think predictive models that anticipate breakdowns before they happen, intelligent routing to optimise thousands of roadside patrols, and agentic AI that transforms customer service. This is your chance to be part of something new. Something exciting. Something that matters. Ready to join the AA+AI journey? #LI-Hybrid This is the job At the AA, we’re embarking on an exciting journey to transform how we serve our members and frontline teams through the power of Artificial Intelligence. As we establish our AI Centre of Excellence, we’re looking for passionate, hands-on engineers to help shape the future of AI at the AA, this is your opportunity to be part of something new, meaningful, and high impact. This isn’t just another engineering role. You’ll build and deploy real GenAI applications, not just proof of concepts, that go live and make a difference. Working with world-class datasets and cross-functional teams, you’ll help embed AI across the organisation and deliver solutions that drive measurable outcomes. What will I be doing? • Design, build, and deploy scalable AI and ML models using GenAI, LLMs, and orchestration frameworks., • Develop robust backend systems in Python, optimised for cloud-native environments and production use., • Implement MLOps best practices including CI/CD, containerisation, monitoring, and model retraining., • Collaborate with cross-functional teams to translate business challenges into AI-powered solutions., • Build and maintain reusable components and data pipelines to support model training and inference., • Ensure all AI systems are secure, ethical, and aligned with responsible AI governance standards. What do I need?, • Strong hands-on experience within AI/ML engineering, with a strong track record of building and deploying real-world GenAI applications., • Proficient in Python and experienced in developing scalable, cloud-native backend systems., • Solid understanding of machine learning fundamentals, including model training, fine-tuning, and evaluation., • Experience with MLOps practices such as CI/CD, containerisation, monitoring, and model retraining., • Skilled in working with large, complex datasets and building robust data pipelines for AI workloads., • 25 days annual leave plus bank holidays + holiday buying scheme, • Worksave pension scheme with up to 7% employer contribution, • Free AA breakdown membership from Day 1 plus 50% discount for family and friends, • Discounts on AA products including car and home insurance, • Employee discount scheme that gives you access to a car salary sacrifice scheme plus great discounts on healthcare, shopping, holidays and more, • Company funded life assurance, • Diverse learning and development opportunities to support you to progress in your career We’re an equal opportunities employer and welcome applications from everyone. The AA values diversity and the difference this brings to our culture and our customers. We actively seek people from diverse backgrounds to join us and become part of an inclusive company where you can be yourself, be empowered to be your best and feel like you truly belong. We have five communities to bring together people with shared characteristics and backgrounds and drive positive change. #LI-HH

Job Description – SIEM Application Engineer Job Overview Job Title: SIEM Application Engineer Team: Security Engineering Location: Flexible / Hybrid Hours: Full Time - Contract 3 Month Duration Role Summary The SIEM Application Engineer is responsible for the design, deployment, management, and optimisation of Security Information and Event Management (SIEM) platforms to enhance threat detection, monitoring, and incident response capabilities across enterprise environments. This role focuses on building and maintaining scalable SIEM solutions—primarily leveraging Elasticsearch-based technologies—to support security operations, regulatory compliance, and continuous improvement of organisational security posture. Why This Role Matters SIEM platforms are a core component of modern security architecture, enabling effective monitoring, threat detection, and response across complex IT and network environments. This role plays a critical part in ensuring SIEM solutions are reliable, performant, and aligned with security standards and frameworks. The SIEM Application Engineer works closely with security analysts, architects, and operations teams to support strategic security objectives, improve detection coverage, and respond to evolving cyber threats. Key Responsibilities SIEM Solution Development Design and implement SIEM solutions in collaboration with security analysts and architects. Develop, optimise, and maintain detection rules, alerts, and dashboards to improve threat visibility. Support the full SIEM lifecycle, including development, deployment, and ongoing optimisation. Collaboration & Communication Work effectively with cross-functional security and engineering teams. Produce clear technical documentation and present solutions to both technical and non-technical stakeholders. Query Optimisation & Performance Tuning Develop efficient queries to extract and analyse security events. Monitor SIEM platform health and performance, addressing scalability and efficiency issues. Optimise data ingestion pipelines and indexing strategies. Security Engineering & Operations Support Contribute to security engineering initiatives, platform transitions, and transformation projects. Integrate SIEM with security operations and incident response tooling. Stay current with emerging threats, attack techniques, and security best practices. Essential Skills & Experience SIEM & Detection Engineering Strong experience configuring and operating SIEM platforms (Elasticsearch-based solutions preferred). Ability to create, test, and optimise detection rules aligned to the MITRE ATT&CK framework. Experience improving detection fidelity while reducing false positives. Elasticsearch & Platform Engineering Hands-on experience with Elasticsearch query optimisation, indexing, and mappings. Performance tuning of Elasticsearch and Logstash pipelines. Experience using Kibana for dashboards, visualisations, and operational monitoring. Security & Compliance Implementation of access controls, authentication, and encryption within SIEM platforms. Understanding of security policy, governance, and regulatory frameworks. Experience supporting compliance with data protection and security standards. Desirable Skills & Experience Experience with the Elastic Stack (ELK) in enterprise environments. Knowledge of offensive security frameworks and adversary techniques. Experience with cloud platforms (public or private), containerisation, and orchestration (e.g. Kubernetes). Familiarity with DevOps practices, Git, and CI/CD pipelines. Infrastructure-as-Code experience (e.g. Terraform, Ansible). Relevant cybersecurity certifications. 3–5+ years' experience in cybersecurity engineering or delivery roles. Leadership & Professional Attributes Ownership of outcomes and accountability for deliverables. Customer-focused mindset with an emphasis on quality and reliability. Ability to design solutions with long-term scalability and sustainability in mind. Qualifications & Background Bachelor's or Master's degree in Computer Science, Engineering, Information Systems, or a related field (or equivalent experience). 5+ years' experience delivering cybersecurity or security engineering solutions. Broad experience across enterprise security controls such as SIEM, vulnerability management, access management, and monitoring platforms, ideally from both development and operational perspectives. TPBN1_UKTJ

Senior VDI (Virtual Desktop Infrastructure) Engineer - Full-time, Permanent Position (37.5 hours) £61,082 - £64,297 Based: Farringdon, London - the post holder will also be required to attend weekly team meetings on a Tuesday at our Twickenham office (TW1 3RP). This is a hybrid working role, requiring regular office attendance. About Us: Metropolitan Thames Valley Housing is one of the UK`s leading providers of affordable housing and care and support services. We employ over 1900 people to manage and develop our large portfolio of nearly 56,000 homes serving over 75,000 customers across London, the East Midlands, Southern and the East of England. This role: The Senior VDI Engineer will be the primary VDI technical lead. They will administer the day-to-day operations of the current Citrix infrastructure and service, as well as any VDI technology adopted in the future. They will work with the Architecture, Service Delivery and Service Desk Teams, as well as the wider Technology Department to effectively support and administer the full lifecycle of VDI infrastructure operations, services, projects and initiatives. They will manage and maintain the VDI Work Plan, and the delivery of the VDI Annual Continuous Service Improvement Plan. We have circa 2400 users, 350 applications, 450 on-prem servers (on VMware), and 1800 laptops. We also deliver remote access to network services via Citrix virtual desktops from legacy and new systems for up to 450 licensed users. MTVH currently operates its technology services across 3 main AD domains. There is a project in-flight to migrate required applications, data, systems and hardware assets to the (MTVH) AD domain. What you'll need to succeed An experienced enterprise Citrix SME and engineer, comfortable being the highest point of escalation for Citrix issues in a high uptime and change controlled environment. This is an operational role which will primarily focus on managing, maintaining, supporting and continuously improving the existing Citrix environment. The role will be the technical lead on VDI projects. There will be little scope for project work outside of this. We are looking for engineering level background in Citrix and VDI roles Candidates must demonstrate strong experience with our Citrix technology stack comprising a new Citrix DaaS with two legacy CVAD environments, VMware-based on-prem hosting transitioning to XenServer, ShareFile, and dedicated storage infrastructure built on PureStorage arrays. They should be self-sufficient and resourceful, possessing troubleshooting abilities that cover server, virtualisation, storage, and networking technologies that support Citrix/VDI for comprehensive problem resolution. There are colleagues in the team responsible for other areas of the infrastructure, therefore the candidate must be able to collaborate well with other SMEs Key Dates First-round MS Teams interviews: will be scheduled for Wednesday 28 January 2026 Second-round MS Teams interviews: planned from Thursday 29 January 2026 The nature of this role means that the post holder may come in to contact with vulnerable adults. To meet our commitment to providing safe, high quality services to our customers we will complete a Basic check with the Disclosure and Barring Service once an offer of employment is made. A new check will be completed every three years. TPBN1_UKTJ

Overview We're hiring a Founding / Senior Software Engineer to join a well-funded, early-stage AI product team based in London. This is a hands-on, high-ownership role for someone who enjoys building real products from the ground up and wants meaningful influence over technical direction, architecture, and delivery. The product is already live, customer-facing, and built around applied AI rather than research. The focus is on shipping reliable systems that solve real operational problems at scale. This role suits engineers who thrive in ambiguity, enjoy working close to customers, and are motivated by impact rather than hierarchy. What You'll Be Doing Building and shipping core product features using Python and TypeScript Designing and owning backend-leaning full-stack systems Working with LLMs and AI-driven workflows in production Building event-driven systems and third-party integrations Taking ownership from problem discovery through to delivery Balancing speed vs scalability depending on context Contributing to engineering best practices around testing, reliability, and security Tech Environment Languages: Python, TypeScript Architecture: Cloud-native, distributed systems, event-driven design AI: Practical LLM usage in real-world products Infrastructure exposure: Kubernetes, serverless, modern cloud platforms (experience here is a plus, not a blocker) What We're Looking For 5-10+ years' experience in full-stack software engineering (backend-leaning) Proven experience shipping AI-powered products end-to-end Early-stage startup experience strongly preferred Comfortable working directly with customers and stakeholders Strong ownership mindset; enjoys building, not just maintaining Backgrounds as an ex-founder or founding engineer are very welcome What's Not a Fit Long tenures exclusively in large or highly process-driven organisations Engineers who prefer narrowly scoped, ticket-based work People uncomfortable with in-person collaboration or ambiguity Location & Package London-based 5 days onsite Salary: £150,000 - £220,000 (experience dependent) TPBN1_UKTJ

Sanderson are working with a leading financial services organisation that puts customers at the centre of its business. The company is going through a period of impressive growth across their technology team, creating opportunity to work on challenging projects and contribute to the development of its digital platforms. As a Senior Software Engineer, you will play a key role in designing, building, and optimising cloud-native applications and content-driven experiences using TypeScript, Node.js, and React. You will be a technical leader within a cross-functional team; shaping architecture, driving engineering best practice, and helping to accelerate the organisation's transition to a modern CMS ecosystem. Key Responsibilities: Architect, build, and maintain full-stack applications using TypeScript, React, and Node.js. Provide technical direction by contributing to design decisions, architectural options, and solution trade-offs. Lead improvements to automated testing practices, ensuring robust unit, integration, and E2E test coverage. Drive enhancements in CI/CD, release pipelines, and DevOps workflows to enable rapid, reliable delivery. Mentor, coach, and upskill engineers while promoting high-quality engineering standards across the team. Skills & Experience: Strong experience with Node.js, React, and Next.js. Professional experience with cloud platforms (AWS preferred). Experience with automated testing and CI/CD pipelines. Understanding of RESTful API design, microservices, and modern web application architecture. Experience with mentoring junior and mid-level engineers. Excellent collaboration, problem-solving, and communication skills, with the ability to work independently and in a team. This is a full-time, permanent role offering a starting salary up to £80,000 (DOE) and a remote-first working model. Please Note: You must be a UK resident to apply for this role. Apply now or email for more details. Reasonable Adjustments: Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients. If you need any help or adjustments during the recruitment process for any reason , please let us know when you apply or talk to the recruiters directly so we can support you. TPBN1_UKTJ

A leading technology services provider is seeking a BPM Consultant in the City of London.

As a Full Stack Engineer, you’ll design, develop, and maintain both front-end and back-end components of our web platform.

Educate and guide other engineers, fostering a culture of engineering excellence. Do you get excited by tackling engineering challenges that others deem impossible?. We’re now looking for a Founding Principal Engineer, who together with the other founders will work as a full-stack on building out

Senior Full Stack Web Engineer - Trading. We are seeking a Full Stack Web Engineer with a strong sense of UI/UX design and a proven track record in the financial services industry. Explore and share emerging technologies, with particular interest in Rust, WebAssembly, and modern API frameworks.

We’re partnering with a fast-growing, product-led company that’s making a real impact in online education!.This is a fantastic opportunity to work in a highly collaborative, flexible, and fast-paced environment, using.If you’re looking to join a dynamic team where you can make a real differenc

We are looking for multiple mid‑senior‑lead Full Stack / Back End Engineers to join our high‑calibre engineering team. Senior Full Stack Software Engineer - Series A FinTech. Senior Full Stack Engineer / Technical Lead - Series A/B FinTech Scale-Up.

In addition to our positive, open working environment, you can expect the following benefits of working at Urban Jungle:. Urban Jungle is an equal opportunity employer and fairness and respect are at the heart of who we are and how we work. At Urban Jungle, we’re making insurance fair - to people,

Senior Full Stack Web Engineer. Senior Full Stack Web Engineer. Explore and share emerging technologies, with particular interest in Rust, WebAssembly, and modern API frameworks.

Backend Junior Software Engineer - Remote 4 days a week (Europe). Full-stack Software Dev - UK or Ireland (remote). Software Engineer Intern/Co-op (Fall 2025).

Would like to progress your career as a Full Stack Developer, working on a modern web-based tech stack with continual learning and development opportunities as part of a diverse team?. Full Stack Developer / Software Engineer (C# ASP. Full Stack Developer / Software Engineer (C# ASP.

About Capgemini: Capgemini is a global technology and transformation partner with 340,000+ team members in more than 50 countries, delivering end-to-end services in strategy, design, engineering, cloud and data, underpinned by AI capabilities. Our Full Stack Engineers sit within Digital Excellence,

Experience: 1+ years in a full-stack / product engineering role, with experience using AI/ML and computer vision. If you’re excited to shape the future of compliance with state-of-the-art AI solutions, apply to become an Arvanaut as our Full-Stack Product Engineer. Build and maintain full-stack pr

A competitive salary and flexible remote working options are offered.

We look for Full Stack Engineers who are excited to collaborate across the stack, and comfortable working alongside AI tools as their co‑pilot in both discovery and delivery. Experience as a Full Stack Engineer working on user‑facing products. Mentor other engineers and help us scale our enginee

A leading infrastructure and managed services provider in London seeks a Senior Full Stack Engineer to drive delivery of key features and mentor the engineering team. This role offers a competitive salary and the opportunity to shape the engineering practices of a growing company.

You'll design, build, and monitor innovative software solutions, collaborating closely with various teams to deliver user-centered features.

We are looking for a bright, driven, full-stack Software Engineer who is excited about solving complex problems and building scalable platforms. As a Software Engineer at Housekeep, you will:. Work with other engineers and the business to improve user experiences and tackle complex business problems

Software Engineer-Full stack (All Levels). Modern office: When you're in the office, you'll enjoy access to our modern, bustling workspace in Holborn, Central London, which includes a full gym. You get full healthcare for you and your nuclear family via Vitality.

Software Engineer I Frontend Focus. This is a backend-focused full-stack position in which you will be working mostly on the backend with some frontend projects from time to time.

The ideal candidate has over 5 years of experience in full-stack development, a strong background in AI tool orchestration, and proficiency in Node. This position offers flexible remote work, fostering personal and professional growth. A custom software development firm in London seeks a Senior Full

As a Full‑Stack Software Engineer on our Strategy Platform Engineering team, you will build and evolve the trading systems and the tooling that enable our strategies to scale. Engineers in this group are expected to work across the stack, contributing to frontend applications, trading infrastructu

Expert in at least one, and proficient across the others: AI Agent development and evaluation; Backend development; Frontend development; Cloud services (AWS / Azure / GCP); CI / CD and Infrastructure as Code; Site Reliability Engineering (SRE); Quality engineering / testing strategy; Secure SDLC an

With a commitment to personal luxury shopping experiences, this company offers a unique opportunity to make a significant impact in the world of fashion technology.

A leading technology company in London seeks a Senior Full Stack Engineer to craft intuitive front-end experiences and develop backend systems.

A boutique technology firm is seeking a Senior Full Stack Engineer to drive the development of scalable solutions across the full technology stack.This role involves working closely with internal teams and clients to deliver robust backend services, data pipelines, and more.Candidates should have st

Please note that the full job description and requirements can be found by applying through the provided link.

Tackle the biggest challenge in AI - Be part of the mission to bend the.Build and maintain APIs (FastAPI or similar) to serve ML models.Design and manage robust ML infrastructure using Kubernetes, Docker, and Terraform.Deploy machine learning models into performance.Collaborate with ML teams to stre

Build and maintain full stack features using modern technologies. Full Stack or Software Developer.

Collaborate closely with the CEO and other Full Stack Engineers on high-impact projects. 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 sca

As a Safe Intelligence Full Stack Software Engineer, you will:. 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. Work proficiently across the entire stack to develop and integrate new features related to model

Build and maintain full stack features using modern technologies. Full Stack or Software Developer.

Full Stack Engineer (AI & Cybersecurity Startup) - EU Remote. Full Stack Engineer (AI & Cybersecurity Startup) - EU Remote. This is an early engineering hire with huge ownership, high autonomy, and the chance to shape a modern product and architecture from day one.

Freelance Full-Stack Engineer (React / 3D). UI velocity, focusing their manual engineering effort on the complex WebGL architecture and state logic. We are seeking a high-velocity freelance engineer to architect the core web infrastructure for a.

If you’re a senior Shopify or full-stack engineer who enjoys building at scale, solving real commercial problems, and taking true ownership, we’d love to hear from you. So if you’re a senior Shopify or full-stack engineer who enjoys building at scale, solving real commercial problems, and taki

Medify Engineering is a team of ten engineers across two teams, and everyone is hands on, including engineering management and the CTO, which helps us keep our processes practical and engineer-friendly. Senior Full Stack Engineer at Medify. We work to minimise meetings: engineers typically have a 15

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 engineering. Contribute to the Decho Lab by mentoring peers, upskilling junior engineers, and driving best practice. Experienced Engine

Are you a talented, super-ambitious full-stack developer? Excited by building solutions to real-world challenges? Motivated by owning shares in a high-growth business? Want to join a team of smart, committed, and highly functioning professionals? This might be the role for you!. They’re hiring the

Senior Full Stack Engineer (I). Confidence working across the full stack and willingness to dive into new areas when needed. Design, build, and maintain full-stack features across the platform.

Full Stack Engineer (Angular + Node. We're hiring a Full Stack Engineer to help build and scale the systems behind our global manufacturing and logistics platform. Position: Full Stack Engineer (Angular + Node.