1 to 25 of 82 Full-Stack Engineer Jobs in London

Full-Stack Engineer – Workflow & Systems Integration (SC Cleared) - AI Start up Role: Full-Stack Engineer – Workflow & Systems Integration Type: Permanent Location: London (Hybrid – on-site commitment expected during early stages) Clearance: Must be eligible for SC Clearance Sector … data environments) Compensation package : Opened to conversations + equity in the organisation Overview An early-stage AI start-up is seeking a Full-Stack Engineer to build the internal backbone underpinning AI-driven workflows, RMS integrations, and secure data operations. This is a hands ...

Senior Full-Stack Engineer (Java & Python) We are seeking a high-impact Senior Full-Stack Engineer to join a growing technology team for a leading investment house supporting market data services within a regulated, enterprise environment. This role … sits at the intersection of data engineering, full-stack development, and business engagement , working closely with stakeholders and external vendors to design and deliver robust, scalable technology solutions aligned to a strategic roadmap. What youll do Design, build, and maintain reliable, scalable data pipelines supporting complex ...

Senior Full-Stack Engineer FX e-Trading London Atrium EMEA is looking for several Senior Full-Stack Engineer with good experience of FX e-Trading (React/TypeScript + Java) to help architect and build … delivery, strengthen code quality, and enhance developer experience. 4 days onsite in London. PAYE/Umbrella options. Lead design and development of full-stack features: React/TypeScript web apps, desktop container integrations (OpenFin or similar), and Java services. Architect and implement scalable, event-driven ...

Senior Full-Stack Engineer – FX e-Trading – London Atrium EMEA is looking for several Senior Full-Stack Engineer with good experience of FX e-Trading (React/TypeScript + Java) to help architect and build … delivery, strengthen code quality, and enhance developer experience. 4 days onsite in London. PAYE/Umbrella options. Lead design and development of full-stack features: React/TypeScript web apps, desktop container integrations (OpenFin or similar), and Java services. Architect and implement scalable, event-driven ...

Senior Full-Stack Engineer (Java & Python) We are seeking a high-impact Senior Full-Stack Engineer to join a growing technology team for a leading investment house supporting market data services within a regulated, enterprise environment. This role … sits at the intersection of data engineering, full-stack development, and business engagement , working closely with stakeholders and external vendors to click apply for full job details ...

Role: Software Engineer - Full-Stack - TypeScript, Node.js Location: London Working Model: Hybrid - 3 Days Salary: Up to £99,000 Ready to build tech that actually means something? This team is powering the next generation of electrification — EVs, solar, batteries, heat pumps, smart devices … want ownership, modern tech, and work that actually matters? This one’s worth a serious look. Why This Role Rocks You work full-stack: TypeScript, Node, React, React Native (bonus). You ship features end-to-end — design → build → deploy → monitor. You join a proper engineering ...

Senior Full-Stack Engineer (Backend-Leaning) – SaaS + AI Join a seed-stage SaaS startup backed by leading VCs, adopting AI to redefine their product. They’re pre-PMF, mid-pivot, and need a hands-on engineer (~80% coding) to help build … define, and scale. 💰 Comp: Up to £100k + strong early stack equity package 🧑 💻 What you’ll do Full-stack engineering, backend-leaning (Next.js FE + BE, Node.js, TypeScript, legacy Python) Collaborate with product & CEO to shape the roadmap Help guide a small, senior team ...

Lead Full-Stack Developer (Software Engineer Programmer Developer ReactJS React-JS React.JS GraphQL Playwright TypeScript Redux Saga Ag-Grid Fixed Income JavaScript Node Credit Rates Bonds Agile Buy Side Asset Manager Investment Management Finance Front Office Trading Financial Services UI Front End Front … Kafka) required by our trading software client in Manhattan, New York City. You MUST have the following: Strong experience as a Lead Full-Stack Developer/Software Engineer/Programmer Excellent JavaScript and TypeScript Golang or Java Experience building Front Office trading systems (portfolio ...

Senior Full-Stack Engineer FX e-Trading London Atrium EMEA is looking for several Senior Full-Stack Engineer with good experience of FX e-Trading (React/TypeScript + Java) to help architect and build ...

title: Senior Full-Stack AI Engineer Location: GSK HQ Team: Enterprise AI - Data Science UK Contract: 6 months Overview GSK is a science-led global healthcare company with a special purpose: to help people do more, feel better, live longer. … uniting science, technology, and talent to get ahead of disease together. Role Overview GSK are seeking a Senior Full Stack AI Engineer with a strong focus on frontend engineering, user experience and product delivery. You will lead the design and implementation of immersive, interactive ...

full professional focus during agreed working hours. Role Summary We are hiring a Senior Full-Stack Software Engineer (AI/ML) to build and own Nyxium’s core application and ML integration layer . This role sits between: AI and ML systems … Regulatory documentation Compliance evidence tracking Developer and user automation Design pipelines that balance ML-driven inference with deterministic rules and safeguards Full-Stack Application Development Build and maintain user-facing applications that expose complex AI outputs in clear, actionable ways Implement interactive dashboards, workflow ...

driven tools. Senior hires will also take ownership of architecture, mentoring, and technical leadership. Responsibilities Design, build, test, and deploy scalable full-stack applications Develop back-end services using Node.js or Java (Spring) Build responsive front-end applications using React, Angular, TypeScript, or modern JavaScript frameworks … clients Requirements Degree in IT, Computer Science, or a technology-related subject (minimum 2:1) Commercial experience as a Full Stack Engineer Strong back-end experience with Node.js or Java Front-end experience with modern JavaScript frameworks (React or Angular preferred) Experience working with ...

Role: Senior Full Stack Software Engineer Location: London, Manchester or Bristol (Hybrid) Length: Initial 6-month contract Rate: £650-£700 per day (Inside IR35) Clearance: Active SC clearance is preferred, or candidates must be SC-eligible We're supporting a major UK Government department … that's looking for a Senior Full Stack Software Engineer to help design, build, and run critical digital services. This is a hands-on role suited to someone who enjoys technical ownership, mentoring others, and improving the resilience and security of live systems. ...

Benefits 9% pension contribution Stock Options Health Insurance L&D Budgets This is your chance to perform the job you love and make a difference in society whilst doing it! Help this one-of-a ...

Java/React Duration: 12 months Pay: £759-900/day (PAYE/umbrella) Location: London (hybrid working – 2 days onsite) Senior Full-Stack Engineer – FX e-Trading (React/TypeScript + Java) About the role Help architect and build … coding tools to accelerate delivery, strengthen code quality, and enhance developer experience. What you’ll do Lead design and development of full-stack features: React/TypeScript web apps, desktop container integrations (OpenFin or similar), and Java services. Architect and implement scalable, event-driven, and microservices ...

Founding Engineer (London/Hybrid) - JavaScript We’re an early-stage startup building an AI-driven platform in the capital markets space, with a clear mission: use AI to radically reduce the complexity of a traditionally under-served function. Our MVP is live, we have early customers … into a scalable, production-ready platform Use AI coding tools to move fast without cutting corners What we’re looking for Strong full-stack engineer with a product mindset Comfortable with TypeScript, React, Node, and modern web frameworks Curious about LLMs and AI-driven ...

average once per week), and were happy to discuss flexibility to make this work for you. We are looking for a Lead Software Engineer who will be responsible for the design, development, and deployment of high-quality software solutions. This role involves leading a team of engineers … questions & early-stage hiring eg cv screening or technical assessments when required About You Professional knowledge and experience Essential Proven experience in full-stack software development, including design, development, testing, and deployment. Significant hands-on experience with .NET and React. Strong understanding of Agile and DevOps ...

with the design team, customers, and the CEO/CTO Build and maintain both front-end and back-end components of features (full-stack ownership) Work with the design team to refine product specifications and user experience Contribute to technical architecture decisions and implementation patterns across … product. We are looking for We would love to hear from you if you have: 3–5 years’ experience as a full-stack engineer in a fast-growing product-led company (experience as a founding engineer or engineering lead is a plus ...

security Collaborate cross-functionally with engineering, product, and AI teams to deliver high-impact features About You We’re seeking an experienced full-stack engineer with a strong foundation in Python back-end development and the versatility to work across the stack. … Docker, and DevOps workflows Experience designing or integrating authentication and authorisation systems (e.g., OAuth2, JWT) Success Metrics Deploy secure, scalable, and maintainable full-stack systems and LLM applications that deliver measurable business value Maintain low latency, high system uptime, and strong performance across APIs ...

The Profs is a multi award-winning B2C EdTech company providing world-class online tutoring and educational support to tens of thousands of students globally. Our mission is to help learners of all ages and ...

GenAI Full Stack Engineer - Consultant/Senior Consultant Salary: £60,000 - £70,000 pa + £4,000 Bonus plus benefits, perks and healthcare options Job Type: Permanent - Hybrid/2 x days per week - Travel to client site Base Locations: London, Manchester, Newcastle, Glasgow … Overview: We're looking for a GenAI Full Stack Engineer who is passionate about solving real-world challenges through technology. You'll work closely with senior stakeholders both internally and within key clients to create GenAI strategies that translate business issues into relevant technical ...

GenAI Full Stack Engineer - Consultant/Senior Consultant Salary: £60,000 - £70,000 pa + £4,000 Bonus plus benefits, perks and healthcare options Job Type: Permanent - Hybrid/2 x days per week - Travel to client site Base Locations: London, Manchester, Newcastle, Glasgow … Overview: We're looking for a GenAI Full Stack Engineer who is passionate about solving real-world challenges through technology. You'll work closely with senior stakeholders both internally and within key clients to create GenAI strategies that translate business issues into relevant technical ...

mindset (GDPR-aware; high-trust defaults) Prefer tight scope + high quality over feature sprawl and “big bang” builds Technical expectations Strong full-stack capability (TypeScript/Node or Python; React/Next or equivalent) Cloud deployment experience (AWS/GCP), CI/CD, observability …/MSc/PhD in CS/Software/Computer Engineering/Computing (AI/ML welcome where you’ve shipped production full-stack systems) Structure Equity-first at this stage; salary follows fundraising. Details shared with shortlisted candidates. How to apply (DM preferred) Please send ...

roadmap , providing technical input on our strategy and product roadmap Requirements Fluent English language speaker. Experience: 5-8 years as a full-stack engineer building production web applications 2+ years at early-stage startups (seed to Series B) Led technical delivery of 2+ substantial ...

(React TypeScript + Java) as a technically strong, hands-on engineer who understands both trading workflows and modern full-stack architecture and can lead delivery of a mission-critical trading platform. Role Overview: Job Title: FX e Trading Senior Full … coding tools to accelerate delivery, strengthen code quality, and enhance developer experience. What you’ll do Lead design and development of full-stack features: React/TypeScript web apps, desktop container integrations (OpenFin or similar), and Java services. Architect and implement scalable, event-driven, and microservices ...