Full Stack Engineer Jobs in London

1,101 to 1,125 of 1,217 Full Stack Engineer Jobs in London

Founding Engineer

london (city of london), south east england, united kingdom
Few&Far
Founding Engineer London Were working with a startup building the financial system of record for AI agents, think of it as the financial brain that helps companies understand whether their AI agents are making or losing money Theyve just raised a pre-seed round and are now building out the early engineering team to define how the agentic … this role stands out: Early stage: join as one of the first engineers (team of 3, aiming for 56). Build 01: dashboards, APIs, billing systems, cost analytics. Full product ownership architecture, systems, design, everything. Direct collaboration with the founders in a fast-moving, hands-on setup. Great culture: London Bridge office, collaborative team, Friday lunches Tech Stack More ❯
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Founding Engineer

City of London, London, United Kingdom
Few&Far
Founding Engineer London We’re working with a startup building the financial system of record for AI agents, think of it as the financial brain that helps companies understand whether their AI agents are making or losing money 💡 They’ve just raised a pre-seed round and are now building out the early engineering team to define how … stands out: 🚀 Early stage: join as one of the first engineers (team of 3, aiming for 5–6). 🧱 Build 0→1: dashboards, APIs, billing systems, cost analytics. 💡 Full product ownership — architecture, systems, design, everything. 🧩 Direct collaboration with the founders in a fast-moving, hands-on setup. ⭐️ Great culture: London Bridge office, collaborative team, Friday lunches ⚙️Tech Stack More ❯
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Founding Engineer

London Area, United Kingdom
Few&Far
Founding Engineer London We’re working with a startup building the financial system of record for AI agents, think of it as the financial brain that helps companies understand whether their AI agents are making or losing money 💡 They’ve just raised a pre-seed round and are now building out the early engineering team to define how … stands out: 🚀 Early stage: join as one of the first engineers (team of 3, aiming for 5–6). 🧱 Build 0→1: dashboards, APIs, billing systems, cost analytics. 💡 Full product ownership — architecture, systems, design, everything. 🧩 Direct collaboration with the founders in a fast-moving, hands-on setup. ⭐️ Great culture: London Bridge office, collaborative team, Friday lunches ⚙️Tech Stack More ❯
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Senior Frontend Engineer

london, south east england, united kingdom
Cint
member of engineering. Our products are redefining experiences within the industry, so help us reach our goals while we help you reach yours! Were seeking a Senior Frontend Engineer to join our UI Engineering team. This team is focused on providing frontend solutions to multiple projects and tooling to the whole company. We are deeply committed to advancing … with our Design Systems, and collaborating with backend teams to deliver consistent, reliable, and user-friendly experiences across the platform. What You Will Do As a Senior Frontend Engineer, you will join our globally distributed team to shape and elevate Cints Measurement, Survey Platform, and Design System experiences. Your mission is to craft high-quality, scalable user interfaces … core research products delivering intuitive experiences for our customers while also enabling internal teams to move faster with confidence. You will be a product-oriented and platform UI engineer, taking full ownership of the end-to-user experience. This includes partnering closely with UX designers, product managers, and fellow engineers to understand customer and stakeholder needs More ❯
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Senior Frontend Engineer

London, England, United Kingdom
Cint
of engineering. Our products are redefining experiences within the industry, so help us reach our goals while we help you reach yours! We’re seeking a Senior Frontend Engineer to join our UI Engineering team. This team is focused on providing frontend solutions to multiple projects and tooling to the whole company. We are deeply committed to advancing … with our Design Systems, and collaborating with backend teams to deliver consistent, reliable, and user-friendly experiences across the platform. What You Will Do As a Senior Frontend Engineer, you will join our globally distributed team to shape and elevate Cint’s Measurement, Survey Platform, and Design System experiences. Your mission is to craft high-quality, scalable user … core research products delivering intuitive experiences for our customers while also enabling internal teams to move faster with confidence. You will be a product-oriented and platform UI engineer, taking full ownership of the end-to-user experience. This includes partnering closely with UX designers, product managers, and fellow engineers to understand customer and stakeholder needs More ❯
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Infrastructure and Support engineer - Leading Insurance firm - Up to £55k + Bonus

London Area, United Kingdom
Hybrid / WFH Options
Saragossa
Infrastructure & Support Engineer – Insurance – Up to £55k + Bonus – Hybrid Step into the technology engine room of this market-leading insurance firm, which services clients across the financial services sector. Here, technology isn’t just a support function - it’s the backbone of global operations. It’s an exciting time to join. The firm has recently secured backing … This will be a hands-on technical role offering real variety - a 50/50 mix of engineering projects and BAU support that will naturally evolve into a full engineering focus as the team scales. If you’ve got a “no job too big, no job too small” attitude, you’ll feel right at home here. You’ll … gain exposure across the full technology stack - from infrastructure, networking, and security through to end-user compute - and contribute to projects that truly make an impact. There may even be opportunities to travel to the firm’s international offices. To thrive here, you’ll bring: Strong experience in Windows environments Expertise in virtualisation technologies (Horizon preferred More ❯
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Infrastructure and Support engineer - Leading Insurance firm - Up to £55k + Bonus

City of London, London, United Kingdom
Hybrid / WFH Options
Saragossa
Infrastructure & Support Engineer – Insurance – Up to £55k + Bonus – Hybrid Step into the technology engine room of this market-leading insurance firm, which services clients across the financial services sector. Here, technology isn’t just a support function - it’s the backbone of global operations. It’s an exciting time to join. The firm has recently secured backing … This will be a hands-on technical role offering real variety - a 50/50 mix of engineering projects and BAU support that will naturally evolve into a full engineering focus as the team scales. If you’ve got a “no job too big, no job too small” attitude, you’ll feel right at home here. You’ll … gain exposure across the full technology stack - from infrastructure, networking, and security through to end-user compute - and contribute to projects that truly make an impact. There may even be opportunities to travel to the firm’s international offices. To thrive here, you’ll bring: Strong experience in Windows environments Expertise in virtualisation technologies (Horizon preferred More ❯
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C# Developer .Net SQL - Quant Trading

London, South East, England, United Kingdom
Hybrid / WFH Options
Client Server Ltd
C# Developer/Software Engineer (C# .Net SQL) *London onsite* to £180k+ Are you a technologist with a record of academic achievement? You could be progressing your career working on complex and challenging systems at a Hedge Fund with over $17 billion under management. As a C# Developer you'll collaborate with a team of highly intelligent technologists … and finance professionals to develop algorithmic trading systems working with a modern tech stack, with opportunities for technical ownership from day one. You'll partner with Quant teams to help architect valuation, risk and pricing systems, delivering massively scalable, high performance streaming compute operations. You'll be equipped with all the latest kit to help you succeed as … team in fantastic London (Soho) based offices that offer a wide range of facilities including nutritionally balance breakfast, lunch and all day snacks. Please note this role is full-time office based (Monday to Friday). About you: You have an outstanding record of academic achievement - minimum 2.1 in a STEM discipline from a top tier university (i.e. More ❯
Employment Type: Full-Time
Salary: £120,000 - £180,000 per annum
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Senior Frontend Engineer – Next.js / React

London Area, United Kingdom
AdManage.ai
Senior Frontend Engineer – Next.js/React Location: Monument WeWork in London Type: Full-Time About Admanage.ai We’re building the Cursor for ad management. Admanage.ai helps companies launch ads 10x faster on Meta & TikTok. Created by top performance marketers who’ve managed over $50M+ in ad spend. Our mission? Level the playing field by giving every … bar for state management, testing, and performance. You’re not here to maintain, you’re here to build a complex UI that’s robust and well-tested. 🔧 Tech Stack Frontend: Next.js 14, React 18, TailwindCSS, Radix UI, Framer Motion State Management: Zustand Testing: Vitest Backend (light exposure): Node.js, Prisma, MySQL Infra: R2 Cloudfalre, AWS S3, Vercel Auth: NextAuth.js … bank holidays WeWork Office in Monument Team offsites (Past: Canada, South England) Join Us If You Want To... ✅ Build alongside experienced engineers and founders ✅ Work with a modern stack and ship fast ✅ Solve hard UX and state management challenges in adtech ✅ Own what you build and shape our engineering culture ✅ Grow into a Lead role as the company More ❯
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Senior Frontend Engineer – Next.js / React

City of London, London, United Kingdom
AdManage.ai
Senior Frontend Engineer – Next.js/React Location: Monument WeWork in London Type: Full-Time About Admanage.ai We’re building the Cursor for ad management. Admanage.ai helps companies launch ads 10x faster on Meta & TikTok. Created by top performance marketers who’ve managed over $50M+ in ad spend. Our mission? Level the playing field by giving every … bar for state management, testing, and performance. You’re not here to maintain, you’re here to build a complex UI that’s robust and well-tested. 🔧 Tech Stack Frontend: Next.js 14, React 18, TailwindCSS, Radix UI, Framer Motion State Management: Zustand Testing: Vitest Backend (light exposure): Node.js, Prisma, MySQL Infra: R2 Cloudfalre, AWS S3, Vercel Auth: NextAuth.js … bank holidays WeWork Office in Monument Team offsites (Past: Canada, South England) Join Us If You Want To... ✅ Build alongside experienced engineers and founders ✅ Work with a modern stack and ship fast ✅ Solve hard UX and state management challenges in adtech ✅ Own what you build and shape our engineering culture ✅ Grow into a Lead role as the company More ❯
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Senior Frontend Engineer – Next.js / React

london, south east england, united kingdom
AdManage.ai
Senior Frontend Engineer – Next.js/React Location: Monument WeWork in London Type: Full-Time About Admanage.ai We’re building the Cursor for ad management. Admanage.ai helps companies launch ads 10x faster on Meta & TikTok. Created by top performance marketers who’ve managed over $50M+ in ad spend. Our mission? Level the playing field by giving every … bar for state management, testing, and performance. You’re not here to maintain, you’re here to build a complex UI that’s robust and well-tested. 🔧 Tech Stack Frontend: Next.js 14, React 18, TailwindCSS, Radix UI, Framer Motion State Management: Zustand Testing: Vitest Backend (light exposure): Node.js, Prisma, MySQL Infra: R2 Cloudfalre, AWS S3, Vercel Auth: NextAuth.js … bank holidays WeWork Office in Monument Team offsites (Past: Canada, South England) Join Us If You Want To... ✅ Build alongside experienced engineers and founders ✅ Work with a modern stack and ship fast ✅ Solve hard UX and state management challenges in adtech ✅ Own what you build and shape our engineering culture ✅ Grow into a Lead role as the company More ❯
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Senior Frontend Engineer – Next.js / React

london (city of london), south east england, united kingdom
AdManage.ai
Senior Frontend Engineer – Next.js/React Location: Monument WeWork in London Type: Full-Time About Admanage.ai We’re building the Cursor for ad management. Admanage.ai helps companies launch ads 10x faster on Meta & TikTok. Created by top performance marketers who’ve managed over $50M+ in ad spend. Our mission? Level the playing field by giving every … bar for state management, testing, and performance. You’re not here to maintain, you’re here to build a complex UI that’s robust and well-tested. 🔧 Tech Stack Frontend: Next.js 14, React 18, TailwindCSS, Radix UI, Framer Motion State Management: Zustand Testing: Vitest Backend (light exposure): Node.js, Prisma, MySQL Infra: R2 Cloudfalre, AWS S3, Vercel Auth: NextAuth.js … bank holidays WeWork Office in Monument Team offsites (Past: Canada, South England) Join Us If You Want To... ✅ Build alongside experienced engineers and founders ✅ Work with a modern stack and ship fast ✅ Solve hard UX and state management challenges in adtech ✅ Own what you build and shape our engineering culture ✅ Grow into a Lead role as the company More ❯
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Junior Artificial Intelligence Engineer

london, south east england, united kingdom
Hybrid / WFH Options
Intellect Group
Junior AI Engineer Masters Graduate Role Location: London (Hybrid) Salary: 40,000 45,000 + Bonus + Benefits Start Date: ASAP About the Opportunity: We are seeking an ambitious and intellectually curious Junior AI Engineer to join a dynamic, fast-growing team working at the forefront of artificial intelligence, machine learning, and cloud-native applications. This … platforms (AWS, Azure, or GCP) and basic distributed systems concepts Strong problem-solving mindset with a passion for building practical, scalable AI solutions Excellent teamwork and communication skills Full right to work in the UK (we are unable to offer visa sponsorship for this role) Benefits: Competitive Salary & Bonus: 40,000 45,000 plus bonus Hybrid Working: Flexible … balance of office and remote work Career Growth: Mentorship, structured training, and clear progression paths Modern Tech Stack: Hands-on with the latest AI and cloud tools Collaborative Culture: Join a supportive, innovative engineering team Additional Perks: Pension scheme, private healthcare, and wellbeing initiatives How to Apply: If youre excited by the opportunity to apply your academic and More ❯
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Junior Artificial Intelligence Engineer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Intellect Group
Junior AI Engineer Masters Graduate Role Location: London (Hybrid) Salary: 40,000 45,000 + Bonus + Benefits Start Date: ASAP About the Opportunity: We are seeking an ambitious and intellectually curious Junior AI Engineer to join a dynamic, fast-growing team working at the forefront of artificial intelligence, machine learning, and cloud-native applications. This … platforms (AWS, Azure, or GCP) and basic distributed systems concepts Strong problem-solving mindset with a passion for building practical, scalable AI solutions Excellent teamwork and communication skills Full right to work in the UK (we are unable to offer visa sponsorship for this role) Benefits: Competitive Salary & Bonus: 40,000 45,000 plus bonus Hybrid Working: Flexible … balance of office and remote work Career Growth: Mentorship, structured training, and clear progression paths Modern Tech Stack: Hands-on with the latest AI and cloud tools Collaborative Culture: Join a supportive, innovative engineering team Additional Perks: Pension scheme, private healthcare, and wellbeing initiatives How to Apply: If youre excited by the opportunity to apply your academic and More ❯
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Junior Artificial Intelligence Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
Intellect Group
Junior AI Engineer – Master’s Graduate Role Location: London (Hybrid) Salary: £40,000 – £45,000 + Bonus + Benefits Start Date: ASAP About the Opportunity: We are seeking an ambitious and intellectually curious Junior AI Engineer to join a dynamic, fast-growing team working at the forefront of artificial intelligence, machine learning, and cloud-native applications. … platforms (AWS, Azure, or GCP) and basic distributed systems concepts Strong problem-solving mindset with a passion for building practical, scalable AI solutions Excellent teamwork and communication skills Full right to work in the UK (we are unable to offer visa sponsorship for this role) Benefits: 💰 Competitive Salary & Bonus: £40,000 – £45,000 plus bonus 🏡 Hybrid Working: Flexible … balance of office and remote work 📈 Career Growth: Mentorship, structured training, and clear progression paths 🛠 Modern Tech Stack: Hands-on with the latest AI and cloud tools 🤝 Collaborative Culture: Join a supportive, innovative engineering team ✨ Additional Perks: Pension scheme, private healthcare, and wellbeing initiatives How to Apply: If you’re excited by the opportunity to apply your academic More ❯
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Junior Artificial Intelligence Engineer

London Area, United Kingdom
Hybrid / WFH Options
Intellect Group
Junior AI Engineer – Master’s Graduate Role Location: London (Hybrid) Salary: £40,000 – £45,000 + Bonus + Benefits Start Date: ASAP About the Opportunity: We are seeking an ambitious and intellectually curious Junior AI Engineer to join a dynamic, fast-growing team working at the forefront of artificial intelligence, machine learning, and cloud-native applications. … platforms (AWS, Azure, or GCP) and basic distributed systems concepts Strong problem-solving mindset with a passion for building practical, scalable AI solutions Excellent teamwork and communication skills Full right to work in the UK (we are unable to offer visa sponsorship for this role) Benefits: 💰 Competitive Salary & Bonus: £40,000 – £45,000 plus bonus 🏡 Hybrid Working: Flexible … balance of office and remote work 📈 Career Growth: Mentorship, structured training, and clear progression paths 🛠 Modern Tech Stack: Hands-on with the latest AI and cloud tools 🤝 Collaborative Culture: Join a supportive, innovative engineering team ✨ Additional Perks: Pension scheme, private healthcare, and wellbeing initiatives How to Apply: If you’re excited by the opportunity to apply your academic More ❯
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Senior API Engineer - PHP - 90k + Bonus - Full Remote.

Central London, UK
Hybrid / WFH Options
Venchr
Senior API Engineer - PHP - 90k + Bonus - Full Remote. Were searching for a talented senior API developer with a background in building scalable web services around the PHP stack to join our team and dive into building a one-of-a-kind platform that manages finances for super yachts and touring bandspretty cool, huh More ❯
Employment Type: Part-time
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Senior API Engineer - PHP - 90k + Bonus - Full Remote.

West London, UK
Hybrid / WFH Options
Venchr
Senior API Engineer - PHP - 90k + Bonus - Full Remote. Were searching for a talented senior API developer with a background in building scalable web services around the PHP stack to join our team and dive into building a one-of-a-kind platform that manages finances for super yachts and touring bandspretty cool, huh More ❯
Employment Type: Part-time
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Senior API Engineer - PHP - 90k + Bonus - Full Remote.

london, south east england, united kingdom
Hybrid / WFH Options
Venchr
Senior API Engineer - PHP - 90k + Bonus - Full Remote. Were searching for a talented senior API developer with a background in building scalable web services around the PHP stack to join our team and dive into building a one-of-a-kind platform that manages finances for super yachts and touring bandspretty cool, huh More ❯
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Senior API Engineer - PHP - 90k + Bonus - Full Remote.

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Venchr
Senior API Engineer - PHP - 90k + Bonus - Full Remote. Were searching for a talented senior API developer with a background in building scalable web services around the PHP stack to join our team and dive into building a one-of-a-kind platform that manages finances for super yachts and touring bandspretty cool, huh More ❯
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Senior API Engineer - PHP - 90k + Bonus - Full Remote.

london (west end), south east england, united kingdom
Hybrid / WFH Options
Venchr
Senior API Engineer - PHP - 90k + Bonus - Full Remote. Were searching for a talented senior API developer with a background in building scalable web services around the PHP stack to join our team and dive into building a one-of-a-kind platform that manages finances for super yachts and touring bandspretty cool, huh More ❯
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Senior API Engineer - PHP - £90k + Bonus - Full Remote.

City of London, London, United Kingdom
Hybrid / WFH Options
Venchr
Senior API Engineer - PHP - £90k + Bonus - Full Remote. We’re searching for a talented senior API developer with a background in building scalable web services around the PHP stack to join our team and dive into building a one-of-a-kind platform that manages finances for super yachts and touring bands—pretty More ❯
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Senior API Engineer - PHP - £90k + Bonus - Full Remote.

East London, London, United Kingdom
Hybrid / WFH Options
Venchr
Senior API Engineer - PHP - £90k + Bonus - Full Remote. We’re searching for a talented senior API developer with a background in building scalable web services around the PHP stack to join our team and dive into building a one-of-a-kind platform that manages finances for super yachts and touring bands—pretty More ❯
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Senior API Engineer - PHP - £90k + Bonus - Full Remote.

Central London / West End, London, United Kingdom
Hybrid / WFH Options
Venchr
Senior API Engineer - PHP - £90k + Bonus - Full Remote. We’re searching for a talented senior API developer with a background in building scalable web services around the PHP stack to join our team and dive into building a one-of-a-kind platform that manages finances for super yachts and touring bands—pretty More ❯
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Senior API Engineer - PHP - £90k + Bonus - Full Remote.

London, United Kingdom
Hybrid / WFH Options
Venchr
Senior API Engineer - PHP - £90k + Bonus - Full Remote. We're searching for a talented senior API developer with a background in building scalable web services around the PHP stack to join our team and dive into building a one-of-a-kind platform that manages finances for super yachts and touring bands-pretty More ❯
Employment Type: Permanent
Salary: GBP 90,000 Annual
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