21 senior full stack engineer jobs found

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...

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...

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...

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...

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...

💻 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...

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...

About the Company   We are a consultancy building bespoke operational software for manufacturing clients. Our systems replace Excel-driven processes with structured web applications and operational data platforms used across planning, production and reporting.   About the Role   We’re looking for a senior full-stack developer to help deliver data-heavy production systems used by live operational teams. You will work alongside our principal engineer and take ownership of building and improving application modules within an existing platform. This is a hands-on development role focused on shipping reliable software and solving real operational problems, not building prototypes.   Responsibilities   You will be working on an established data platform and application suite used by manufacturing operations. The system consists of: An on-premises SQL Server data warehouse A Laravel + Livewire application layer...

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...

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...

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...

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...

Location: Tring (Predominately onsite with flex where project allows) Duration: 4-6 month contract IR35: Outside IR35 Role detaills: Our client, a leading entity in the Defence & Security sector, is seeking a highly motivated Senior Software Engineer to join them on a contract basis - The role will encompass the design and development of a web-based control and monitoring dashboard application for an antenna terminal system. Key Responsibilities: Design and develop a web-based control and monitoring dashboard application for an antenna terminal system. Engage in the full design life cycle from specifications generation to thorough regression testing of pre-production units. Build and maintain React/Next.js frontend applications and NestJS backend services within a shared pnpm monorepo environment. Integrate user-facing components with backend services using various communication protocols (REST, WebSockets, SNMP, MQTT, etc.). Develop the GUI using a mix of...

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...

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...

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...

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...

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...

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

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