1 to 25 of 31 Senior Full-Stack Engineer Jobs in London

Senior Product Engineer - Python / Django focused | Full stack JavaScript | US, Global Leader in AI, Series A | Fully Remote (UK) | Salary £80-95k + Bonus + Equity

Hiring Organisation
Owen Thomas | Pending B Corp™
Location
East London, London, United Kingdom
Senior Product Engineer - Python/Django focused | Full stack JavaScript | US, Global Leader in AI, Series A | Fully Remote (UK) | Salary £80-95k + Bonus + Equity The company: We’re working with a profitable, mission-driven technology company that … engineering team is scaling fast to keep up. The business recently restructured into multiple product verticals to handle demand and is now hiring senior engineers to help shape the next phase of growth. The Role – Senior Product Engineer - Python/Django focused | Full ...

Senior Product Engineer - Python / Django focused | Full stack JavaScript | US, Global Leader in AI, Series A | Fully Remote (UK) | Salary £80-95k + Bonus + Equity

Hiring Organisation
Owen Thomas | Pending B Corp™
Location
Central London / West End, London, United Kingdom
Senior Product Engineer - Python/Django focused | Full stack JavaScript | US, Global Leader in AI, Series A | Fully Remote (UK) | Salary £80-95k + Bonus + Equity The company: We’re working with a profitable, mission-driven technology company that … engineering team is scaling fast to keep up. The business recently restructured into multiple product verticals to handle demand and is now hiring senior engineers to help shape the next phase of growth. The Role – Senior Product Engineer - Python/Django focused | Full ...

Senior Full Stack Engineer FX e Trading London

Hiring Organisation
Atrium Global
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £750 to £900 per day
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 … 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

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Temporary
Salary
£750 - £900 per day
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 … 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)

Hiring Organisation
McCabe & Barton
Location
City of London, London, United Kingdom
Employment Type
Permanent
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 ...

Senior Full-Stack Engineer (Java & Python)

Hiring Organisation
McCabe & Barton
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
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 ...

Senior Full Stack Engineer | Up to £110K | One of the UK's fastest growing AI platforms | UK Remote | React/Node/TypeScript

Hiring Organisation
Owen Thomas | Pending B Corp™
Location
East London, London, United Kingdom
Senior Full Stack Engineer | Up to £110K | One of the UK's fastest growing AI platforms | UK Remote | React/Node/TypeScript I am currently working with one of the fastest-scaling platforms in the creator economy which is a creator … fast, without breaking trust Deliver high-quality systems at the pace of a rapidly scaling global platform. Senior Full Stack Engineer | Up to £110K | One of the UK's fastest growing AI platforms | UK Remote | React/Node/TypeScript ...

Senior Full Stack Engineer | Up to £110K | One of the UK's fastest growing AI platforms | UK Remote | React/Node/TypeScript

Hiring Organisation
Owen Thomas | Pending B Corp™
Location
Central London / West End, London, United Kingdom
Senior Full Stack Engineer | Up to £110K | One of the UK's fastest growing AI platforms | UK Remote | React/Node/TypeScript I am currently working with one of the fastest-scaling platforms in the creator economy which is a creator … fast, without breaking trust Deliver high-quality systems at the pace of a rapidly scaling global platform. Senior Full Stack Engineer | Up to £110K | One of the UK's fastest growing AI platforms | UK Remote | React/Node/TypeScript ...

Founding Senior Full-Stack Engineer

Hiring Organisation
Barrington James
Location
City of London, London, United Kingdom
Time) Role: Full-Stack Engineer – Founding Team Location: London, UK (on-site/hybrid) Type: Full-time, Senior/Experienced About the Role We’re seeking a Full-Stack Engineer to join a dynamic … mind. Help shape technical standards and support junior engineers where needed. What We’re Looking For 3+ years of experience building full-stack applications in a production environment. Proven experience with modern front-end frameworks (e.g., React, Vue, Angular) and strong JavaScript/TypeScript skills. Solid ...

Senior Full Stack Engineer FX e Trading London

Hiring Organisation
Atrium Global
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 750 - 900 Daily
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 ...

Senior Full-Stack AI Engineer — Frontend & LLM-Enabled UX (Level 3)

Hiring Organisation
Allegis Global Solutions
Location
London, England, United Kingdom
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. … 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 ...

Senior Full Stack Engineer - Technologist

Hiring Organisation
Client Server
Location
London, England, United Kingdom
Senior Full Stack Engineer/Developer (TypeScript Elixir AWS) London/WFH to £100k Do you enjoy problem solving and working with a range of technologies including functional programming languages such as Elixir, using the right tool for the job? You could … progressing your career in a senior, hands-on Full Stack Engineer role at a successful and profitable energy trading market data scale-up. What's in it for you: Competitive salary, to £100k + Significant Equity Hybrid working (3 days London office ...

Senior Android Engineer, Jetpack Compose | Full Stack | Carbon Reducing, B2B, Series A | Salary up to £125,000 + Equity, Bonus, Benefits | London, Hybrid (4 days PW)

Hiring Organisation
Owen Thomas | Pending B Corp™
Location
London Area, United Kingdom
Senior Android Engineer, Jetpack Compose | Full Stack | Carbon Reducing, B2B, Series A | Salary up to £125,000 + Equity, Bonus, Benefits | London, Hybrid (4 days PW) The Company We are working with a Series A backed scale-up, that has raised over … responsibilities with Backend (Python) API's, improving FE code, all the way down to Data Infrastructure. This is a true Software Engineer role, where you will wear many hats! While mobile development will be your main focus, they want to give engineers the opportunity to learn ...

Senior Full-Stack Software Engineer (Annual salary up to £95K)

Hiring Organisation
Nyxium
Location
London Area, United Kingdom
expect routine overtime, but we do expect 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 … 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 ...

Senior Full Stack Engineer – FX e-trading – Java / React

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£759 - £900 per day
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 ...

FX e Trading Senior Full Stack Engineer (React TypeScript + Java)

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£759 - £900 per day
(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 ...

Contract Senior Full Stack Software Engineer

Hiring Organisation
IO Associates
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £700 per day + Inside IR35
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 … 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 ...

Contract Senior Full Stack Software Engineer

Hiring Organisation
IO Associates
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 650 - 700 Daily
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 … Government department that's looking for a Senior Full Stack Software Engineer to help design, build, and run critical digital services click apply for full job details ...

GenAI Full Stack Engineer - Consultant / Senior Consultant

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£70,000
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 ...

GenAI Full Stack Engineer - Consultant / Senior Consultant

Hiring Organisation
83zero Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
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 ...

Senior Full Stack Software Engineer

Hiring Organisation
Wondercraft
Location
City of London, London, United Kingdom
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 … 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) Strong proficiency in Python, React, TypeScript ...

Senior Full Stack Engineer / London

Hiring Organisation
YASO
Location
London, United Kingdom
Employment Type
Permanent
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 features end-to-end (0 production … commerce. A collaborative, high-performance environment spanning London, Shanghai, and beyond. Competitive salary, performance-linked incentives, and flexible working arrangements. Direct exposure to senior leadership, global brand partners, and leading consumer platforms. ...

(Senior) Full Stack Engineer

Hiring Organisation
BioTalent
Location
London, UK
Senior Full Stack Engineer, you will lead the architecture and development of a complex React + Next.js application that orchestrates long-running jobs, visualises large datasets, and integrates with backend and computational systems. This role is within a fast-growing technology company ...

Senior Full Stack Data Engineer (Client Facing)

Hiring Organisation
Decho Group
Location
City of London, London, United Kingdom
Senior Full Stack Data Engineer – Decho Group (Part of Accenture) About Decho Group Decho Group is a fast-growing Tech and AI consultancy, founded to solve complex data challenges for governments and enterprises. We specialise in Palantir technologies, advanced analytics … team that thrives on curiosity, collaboration, and bold thinking, working on projects that genuinely change lives and industries. The Role We’re seeking Senior Consultant Engineers who want to apply their technical mastery in AI consultancy and Palantir engineering while shaping the future of data-driven decision-making. ...

Senior Full Stack Engineer - FX e-Trading

Hiring Organisation
Pontoon
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£900/day
Engineers to join a high-profile project building a brand-new FX e-trading platform . You'll be responsible for delivering full-stack features across React/TypeScript front-end applications and Java backend services , ensuring high performance, resilience, and reliability for real-time trading … workflows. What you'll do Lead design and development of full-stack features, from frontend UI to backend services. Work closely with trading, product, and infrastructure teams to translate complex requirements into robust technical solutions. Optimise system performance, latency, and reliability for real-time trading. Mentor ...