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8 senior full stack engineer jobs found

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senior full stack engineer £400 - £500
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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 06, 2026
Duration not stated
Senior Software Engineer at Switch Tech Talent, United Kingdom, £475-£500 per day
£475 - £500 per day
Outside Spy Remote (United Kingdom)
💻 Role: Senior Full Stack Engineer (Backend leaning/Node/AWS) 🌍 Location: Remote First - MUST be UK based (London HQ once a quarter) 💰 Rate: £475-£500 per day ⚖️ Status: Outside IR35 (6 months rolling) 🛠 Key Skills: TypeScript, Node.js, React, AWS (Serverless) We're partnered with Ecommerce company seeking a Senior Full Stack Engineer Engineer who is heavily backend leaning to join the team ASAP. The non negotiables for them are TypeScript, Node.JS, AWS (Serverless). Senior Full Stack Engineer Responsibilities: Perform hands-on software development, including writing code and unit tests, doing proof of concepts, conducting code reviews, and testing in ongoing sprints. Mentoring other engineers, helping to support their professional development. Designing and implementing innovative solutions to challenging web development problems. Participate in system design and specifications, development, testing, debugging, documentation, and support. Providing...
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 10, 2026
Duration not stated
Microsoft 365 Engineer at Cloud Decisions, United Kingdom, £450–£550 per day
£450–550 per day
Outside Spy United Kingdom
Microsoft 365 Migration Specialist (Contract) 💰 £450–£550 per day (Outside IR35) 📍 Remote (UK) 📅 3-Month Contract A leading UK Microsoft Solutions Partner is looking for an experienced Microsoft 365 Migration Specialist to support a pair of key customer migration projects. This is a hands-on contract for someone who can hit the ground running, work confidently in a customer-facing delivery environment, and lead migration activity with minimal hand-holding. The core focus is on Google Workspace (G Suite) to Microsoft 365 migrations, with one project being a smaller but high-effort engagement, and the other a larger, more complex migration programme. You’ll join an established professional services team, working closely with internal engineers and project delivery stakeholders, while taking ownership of key migration activities across discovery, planning, and execution. The Projects Project 1 – Small Migration Approx. 100 users Migration from...
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