Full Stack Developer Contract Jobs in London
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16 Contract jobs
AWS Java Full-Stack Developer - 1 year | London or Edinburgh (2 Days per week)
Posted 1 week ago by Hamilton Barnes
Key ResponsibilitiesRefactor and modernise on-premise Java & Angular applications into AWS cloud-native microservice...
- Rate £400 per day
- Category Inside
- Work type Hybrid
- Location London/Edinburgh , UK
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Full Stack Java Developer - Active SC, Active NPPV3, Java
Posted 1 week ago by Hays Specialist Recruitment
Full Stack Java Developer - Active SC, Active NPPV3, Java, React & TypeScriptUp to £550 per day (Inside IR35)Remote6...
- Rate £550 per day
- Category Inside
- Work type Remote
- Location London, UK
C#, React, Full Stack - Senior Developer | Front office, Energy trading | 12 mon...
Posted 2 weeks ago by VirtueTech Recruitment Group
C#, React, Full Stack - Senior Developer | Front office, Energy trading | 12 months rolling | £800/Day Inside IR35 | 2 d...
- Rate £800 per day
- Category Inside
- Work type Hybrid
- Location London Area, United Kingdom
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About Our Full Stack Developer Contract Roles in London
What does a full stack developer contractor do?
Full Stack Developer contractors are engaged to work across both the front-end and back-end layers of web applications and digital products, taking end-to-end ownership of features or services rather than specialising in a single layer of the stack. The scope of full stack work varies considerably by team and product: some engagements involve building React frontends backed by Node.js or Python APIs; others require working across a .NET or Java backend with an Angular or Vue.js frontend; others involve contributing to a cloud-native microservices architecture alongside a React or Next.js application layer. Full Stack contractors are particularly valued on smaller teams and earlier-stage products where the ability to work across the stack reduces coordination overhead and accelerates delivery.
The technical profile expected of Full Stack Developer contractors is broader than most single-discipline developers, and the market has evolved towards specific stack combinations rather than genuine language-agnostic versatility. The most in-demand full stack profiles in the UK contracting market combine React or Next.js on the front end with Node.js, Python, or .NET on the back end, TypeScript across the stack, and experience with cloud deployment on AWS or Azure. SQL database skills are assumed, alongside familiarity with RESTful API design and increasingly GraphQL. The depth of expertise expected in each layer varies by seniority: junior full stack contractors are expected to be functional across the stack, while senior full stack contractors are expected to be genuinely strong in at least one layer and capable across the rest. Strong software engineering practices including testing, version control, and CI/CD are expected as standard.
What is the market like for full stack developer contractors?
The Full Stack Developer contract market is one of the highest-volume segments of the UK technology contracting market. The breadth of the role makes it attractive to a wide range of clients, from startups who need developers who can work across the entire product to enterprises that want contractors who can contribute to multiple teams without hand-off friction. The JavaScript ecosystem dominates the full stack contracting market, with React, Node.js, and TypeScript being the most commonly specified combination. Rates are broadly aligned with senior frontend or backend developer roles, with the full-stack capability providing breadth of opportunity rather than a rate premium in most cases. Contractors who are genuinely strong in both the front-end and back-end layers of their chosen stack consistently find the broadest range of opportunities.
What is the contracting market like in London?
London dominates the UK contractor market by volume, depth, and rate levels. The capital concentrates the headquarters and major offices of most FTSE 100 companies, the largest global banks, the Big Four professional services firms, and the central government departments that collectively generate the majority of UK contract demand. Every contracting discipline covered on this site has active demand in London, from niche specialisms like threat intelligence and LLM engineering through to high-volume disciplines like project management and business analysis. The sheer density of employers means contractors in London typically have more choice of engagement at any given time than anywhere else in the UK. Day rates carry a premium of 15 to 25 per cent over the national average across most disciplines, reflecting both the concentration of complex, high-value programmes and the cost of operating in the capital.
How much do full stack developer contractors usually earn in London?
Contract rates for full stack developer roles in London typically range from £550 to £935 per day, depending on the scope of the role, required expertise, and the delivery expectations of the engagement.
How many full stack developer vacancies in London are there on Quality Contracts?
Over the past twelve months, we have tracked over 350 full stack developer contract roles across the site, with London accounting for roughly one in three of those. Data reviewed up to July 2026.