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14 senior full stack engineer jobs found in London

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London senior full stack engineer
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£400 - £500  (6) £500 - £600  (8) £600 - £700  (11) £700 and up  (3)
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Greater London  (14)
Outside Spy
Mar 12, 2026
Duration not stated
Senior / Lead Full-Stack TypeScript Engineer (GraphQL Specialist) | Contract | TypeScript, Node.js, GraphQL | Large-Scale Media Platform | £500-600/day Outside IR35 | 6 Months | London Hybrid 2 days at Owen Thomas | Pending B Corp™, London Area, £500-£600
£500 - £600 per day
Outside Spy London Area, United Kingdom
Senior / Lead Full-Stack TypeScript Engineer (GraphQL Specialist) | Contract | TypeScript, Node.js, GraphQL | Large-Scale Media Platform | £500-600/day Outside IR35 | 6 Months | London Hybrid 2 days We’re supporting one of the UK’s largest consumer digital platforms as they scale their engineering capability across several high-traffic products used by millions of customers. They’re looking for Senior / Lead Full-Stack TypeScript Engineers with deep GraphQL expertise to help evolve and scale their API architecture. This role sits within a high-performing product engineering team responsible for building and maintaining critical services that power modern web and mobile experiences. You’ll play a key role in designing and evolving GraphQL schemas, improving API architecture, and delivering performant full-stack applications within a mature engineering environment. This is an opportunity to work on complex distributed systems at significant scale, collaborating...
Outside Spy
Mar 11, 2026
Duration not stated
Senior / Lead Full-Stack TypeScript Engineer (GraphQL Specialist) | Contract | TypeScript, Node.js, GraphQL | Large-Scale Media Platform | £500-600/day Outside IR35 | 6 Months | London Hybrid 2 days at Owen Thomas | Pending B Corp™, London Area, £500-£600
£500 - £600 per day
Outside Spy London Area, United Kingdom
Senior / Lead Full-Stack TypeScript Engineer (GraphQL Specialist) | Contract | TypeScript, Node.js, GraphQL | Large-Scale Media Platform | £500-600/day Outside IR35 | 6 Months | London Hybrid 2 days We’re supporting one of the UK’s largest consumer digital platforms as they scale their engineering capability across several high-traffic products used by millions of customers. They’re looking for Senior / Lead Full-Stack TypeScript Engineers with deep GraphQL expertise to help evolve and scale their API architecture. This role sits within a high-performing product engineering team responsible for building and maintaining critical services that power modern web and mobile experiences. You’ll play a key role in designing and evolving GraphQL schemas, improving API architecture, and delivering performant full-stack applications within a mature engineering environment. This is an opportunity to work on complex distributed systems at significant scale, collaborating...
Outside Spy
Mar 10, 2026
Duration not stated
Senior / Lead Full-Stack TypeScript Engineer (GraphQL Specialist) | Contract | TypeScript, Node.js, GraphQL | Large-Scale Media Platform | £500-600/day Outside IR35 | 6 Months | London Hybrid 2 days at Owen Thomas | Pending B Corp™, London Area, £500-£600
£500 - £600 per day
Outside Spy London Area, United Kingdom
Senior / Lead Full-Stack TypeScript Engineer (GraphQL Specialist) | Contract | TypeScript, Node.js, GraphQL | Large-Scale Media Platform | £500-600/day Outside IR35 | 6 Months | London Hybrid 2 days We’re supporting one of the UK’s largest consumer digital platforms as they scale their engineering capability across several high-traffic products used by millions of customers. They’re looking for Senior / Lead Full-Stack TypeScript Engineers with deep GraphQL expertise to help evolve and scale their API architecture. This role sits within a high-performing product engineering team responsible for building and maintaining critical services that power modern web and mobile experiences. You’ll play a key role in designing and evolving GraphQL schemas, improving API architecture, and delivering performant full-stack applications within a mature engineering environment. This is an opportunity to work on complex distributed systems at significant scale, collaborating...
Outside Spy
Mar 09, 2026
Duration not stated
Senior / Lead Full-Stack TypeScript Engineer (GraphQL Specialist) | Contract | TypeScript, Node.js, GraphQL | Large-Scale Media Platform | £500-600/day Outside IR35 | 6 Months | London Hybrid 2 days at Owen Thomas | Pending B Corp™, London Area, £500-£600
£500 - £600 per day
Outside Spy London Area, United Kingdom
Senior / Lead Full-Stack TypeScript Engineer (GraphQL Specialist) | Contract | TypeScript, Node.js, GraphQL | Large-Scale Media Platform | £500-600/day Outside IR35 | 6 Months | London Hybrid 2 days We’re supporting one of the UK’s largest consumer digital platforms as they scale their engineering capability across several high-traffic products used by millions of customers. They’re looking for Senior / Lead Full-Stack TypeScript Engineers with deep GraphQL expertise to help evolve and scale their API architecture. This role sits within a high-performing product engineering team responsible for building and maintaining critical services that power modern web and mobile experiences. You’ll play a key role in designing and evolving GraphQL schemas, improving API architecture, and delivering performant full-stack applications within a mature engineering environment. This is an opportunity to work on complex distributed systems at significant scale, collaborating...
Outside Spy
Mar 06, 2026
Duration not stated
Senior / Lead Full-Stack TypeScript Engineer (GraphQL Specialist) | Contract | TypeScript, Node.js, GraphQL | Large-Scale Media Platform | £500-600/day Outside IR35 | 6 Months | London Hybrid 2 days at Owen Thomas | Pending B Corp™, London Area, £500-£600
£500 - £600 per day
Outside Spy London Area, United Kingdom
Senior / Lead Full-Stack TypeScript Engineer (GraphQL Specialist) | Contract | TypeScript, Node.js, GraphQL | Large-Scale Media Platform | £500-600/day Outside IR35 | 6 Months | London Hybrid 2 days We’re supporting one of the UK’s largest consumer digital platforms as they scale their engineering capability across several high-traffic products used by millions of customers. They’re looking for Senior / Lead Full-Stack TypeScript Engineers with deep GraphQL expertise to help evolve and scale their API architecture. This role sits within a high-performing product engineering team responsible for building and maintaining critical services that power modern web and mobile experiences. You’ll play a key role in designing and evolving GraphQL schemas, improving API architecture, and delivering performant full-stack applications within a mature engineering environment. This is an opportunity to work on complex distributed systems at significant scale, collaborating...
Outside Spy
Mar 12, 2026
Duration not stated
Senior Data Engineer at Formula Recruitment, London Area, £600 per day
£600 per day
Outside Spy London Area, United Kingdom
Senior Data Engineer | £600 per day Outside IR35 | 6 Month Contract A PE-backed asset/wealth management firm managing multi-billion pounds in assets is seeking a Senior Data Engineer to design and deliver a new Azure-based data warehouse. The organisation is replacing a non-performant “data swamp” with a well-structured, governed platform built on Azure. You will lead the end-to-end architecture and take a hands-on role building a robust data platform from ingestion through to consumption. Tech Environment: Azure Data Lake Storage Azure Synapse Medallion Architecture ETL / data ingestion pipelines Dimensional modelling Strong governance, security, and error handling Ideal Experience: Azure-based data platform architecture End-to-end data warehouse design and delivery Data governance and platform reliability Asset management / wealth management / financial data environments Key Information: £600 per day Outside IR35 Hybrid – London (2...
Outside Spy
Mar 12, 2026
6 Months or more
Senior Data Engineer at Formula Recruitment, London, 6 Months, to £600 Outside IR35
Outside Spy London, UK
Senior Data Engineer | £600 per day Outside IR35 | 6 Month Contract A PE-backed asset/wealth management firm managing multi-billion pounds in assets is seeking a Senior Data Engineer to design and deliver a new Azure-based data warehouse. The organisation is replacing a non-performant data swamp with a well-structured, governed platform built on Azure. You will lead the end-to-end architecture and take a hands-on role building a robust data platform from ingestion through to consumption. Tech Environment: Azure Data Lake Storage Azure Synapse Medallion Architecture ETL/data ingestion pipelines Dimensional modelling Strong governance, security, and error handling Ideal Experience: Azure-based data platform architecture End-to-end data warehouse design and delivery Data governance and platform reliability Asset management/wealth management/financial data environments Key Information: £600 per day Outside IR35 Hybrid - London (2 days...
Outside Spy
Mar 11, 2026
Duration not stated
Tech Lead at IntecSelect, Tower of London, £650-£750 per day
£650 - £750 per day
Outside Spy Tower of London, UK
Tech Lead - Python/TypeScript/C#/React/Azure £650-£750 per day | Outside IR35 | 6 Month Contract | Remote (Occasional London Travel) I'm currently working with a leading financial services technology consultancy that is looking to bring in an experienced Tech Lead to support the delivery of modern software solutions within the pensions and investment space. This is a hands-on leadership role, splitting your time between full-stack engineering and leading a small team of senior developers. The role offers the opportunity to work on complex platforms within a highly collaborative environment while helping shape modern engineering practices including AI-assisted and agentic development workflows. The role You will lead a team of four experienced engineers while remaining actively involved in the development process. Alongside technical leadership, you will play a key role in delivery coordination, Agile ceremonies, and stakeholder engagement. You will also act as a key...
Outside Spy
Mar 12, 2026
Duration not stated
Mid-Level .NET / Full Stack Developer – Hybrid – £450/day Outside IR35 | C# | Azure | Event-Driven Systems | Payments | API-Driven at VirtueTech Recruitment Group, London Area, £450 per day
£450 per day
Outside Spy London Area, United Kingdom
Mid-Level .NET / Full Stack Developer – Hybrid – £450/day Outside IR35 | C# | Azure | Event-Driven Systems | Payments | API-Driven We have a great opportunity for a Mid-Level .NET / Full Stack Developer to join a growing payments company. As a .NET Developer , you’ll be working as part of an experienced engineering team building and scaling a high-throughput payments platform. The business is entering its next phase of growth, launching new products, enabling new partner integrations, and expanding a platform that already powers multiple live financial services products used globally. You’ll be contributing to a modern, cloud-native platform built with .NET and Azure , designed around API-first architecture and event-driven microservices . The platform supports complex payment flows, partner integrations, and high-volume transaction processing. This is a hands-on development role where you’ll work closely with senior engineers to deliver reliable, scalable...
Outside Spy
Mar 12, 2026
Duration not stated
Lead .NET/Full Stack Developer - Hybrid - Up to £700/day Outside IR35 | C# | Azure | Event Driven Systems | Payments | API Driven at VirtueTech Recruitment Group, London Area, £700 per day
£700 per day
Outside Spy London Area, United Kingdom
Lead .NET/Full Stack Developer - Hybrid - £700/day Outside IR35 | C# | Azure | Event Driven Systems | Payments | API Driven We have a unique opportunity for a Lead .NET/Full Stack Developer to join a payments company. As the Lead .NET/Full Stack Developer , you’ll play a key role in shaping and scaling a high-throughput payments platform as the business enters its next phase of growth. This includes launching new products, enabling new partner integrations, and expanding a platform that already powers multiple live financial services products used globally. You’ll be building on top of a modern, cloud-native platform built with .NET and Azure , designed around API-first architecture and event-driven microservices . The platform supports complex payment flows, partner integrations, and high-volume transaction processing. This is a hands-on technical role where you’ll help drive engineering best practices, contribute to architectural decisions, and mentor...
Outside Spy
Mar 12, 2026
Duration not stated
Senior .NET / Full Stack Developer – Hybrid – £600/day Outside IR35 | C# | Azure | Event-Driven Systems | Payments | API-Driven at VirtueTech Recruitment Group, London Area, £600 per day
£600 per day
Outside Spy London Area, United Kingdom
Senior .NET / Full Stack Developer – Hybrid – £600/day Outside IR35 | C# | Azure | Event-Driven Systems | Payments | API-Driven We have a unique opportunity for a Senior .NET / Full Stack Developer to join a payments company. As a Senior .NET / Full Stack Developer , you’ll play a key role in building and scaling a high-throughput payments platform as the business enters its next phase of growth. This includes launching new products, enabling new partner integrations, and expanding a platform that already powers multiple live financial services products used globally. You’ll be building on top of a modern, cloud-native platform built with .NET and Azure , designed around API-first architecture and event-driven microservices . The platform supports complex payment flows, partner integrations, and high-volume transaction processing. This is a hands-on senior engineering role where you’ll contribute to architectural discussions, drive engineering best...
Outside Spy
Mar 09, 2026
6 Months or more
SC Cleared Full Stack React/Node at TechShack, London, 6 Months, £650-£700 per day
£650 - £700 per day
Outside Spy London, UK
Full Stack Developer £650-700 OUTSIDE IR35 Full Stack Engineer (React/Node) - SC Cleared Fully Remote Rate: £650-700 per day outside Interview: 1 stage Programme: Public Sector Requirements Active SC clearance, ideally DV clearance Full Stack React/Node Solid AWS production experience Experience in secure or public sector environments preferred You need to message me ASAP with your CV AND NUMBER
Outside Spy
Mar 05, 2026
Duration not stated
Full Stack Engineer at TechShack, London Area, £Contract Rate
Outside Spy London Area, United Kingdom
UGRENT REQUIREMENT - Full Stack Developer £600-650 OUTSIDE IR35 Full Stack Engineer (React / Node) – SC Cleared Location: Holborn – 3 days onsite (Tues/Weds/Thurs) Rate: £600-650 per day OUTSIDE IR£5 Interview: 1 stage tomorrow!! Programme: Public Sector Requirements Active SC clearance (essential)! Full Stack React / Node Solid AWS production experience Experience in secure or public sector environments preferred You need to message me asap with your CV AND NUMBER
Outside Spy
Mar 05, 2026
6 Months or more
Full Stack Developer SC Cleared at TechShack, London, 6 Months, £600-£650 per day
£600 - £650 per day
Outside Spy London, UK
UGRENT REQUIREMENT - Full Stack Developer £600-650 OUTSIDE IR35 Full Stack Engineer (React/Node) - SC Cleared Location: Holborn - 3 days onsite (Tues/Weds/Thurs) Rate: £600-650 per day OUTSIDE IR£5 Interview: 1 stage tomorrow! Programme: Public Sector Requirements Active SC clearance (essential)! Full Stack React/Node Solid AWS production experience Experience in secure or public sector environments preferred You need to message me ASAP with your CV AND NUMBER
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