Web Developer Contract Jobs in London
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17 Contract jobs sorted by:
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Updating results…
17 Contract jobs
Java Full Stack Developer [Java, Fullstack, microservices, API, frontend, Spring...
Posted 4 days ago by GIOS Technology Limited
Key Skills: Java, Fullstack, microservices, API, Front End, Spring BootWe are looking for Java Full Stack Developer at L...
- Rate Not specified
- Category Inside
- Work type Onsite
- Location London, United Kingdom - 2-3 days per week Onsite
Senior Frontend Developer
Posted 1 week ago by Rullion Limited
About the RoleWe are looking for a highly experienced Senior Frontend Engineer to join a fast-paced and innovative engin...
- Rate £700 per day
- Category Inside
- Work type Hybrid
- Location London; City of London; East London; Central London; South East London; West London; Canary Wharf; South West London; North London; Greenwich; Stratford
Frontend Developer
Posted 1 week ago by Gazelle Global Consulting Ltd
We're looking for a Frontend Developer to join a 12-month contract assignment in London, working on modern web applicati...
- Rate Not specified
- Category Not specified
- Work type Onsite
- Location London; City of London; East London; Central London; South East London; West London; Canary Wharf; South West London; North London; Greenwich; Stratford
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Frontend Developers (Design-Focused) Jnr/Senior - Bank - London
Posted 1 week ago by Salt
Front-End Developers (Design-Focused) Junior/Senior - Bank - London Daily rate: £400 - £600 (inside IR35) Duration: 6 -...
- Rate £600 per day
- Category Inside
- Work type Hybrid
- Location London; City of London; East London; Central London; South East London; West London; Canary Wharf; South West London; North London; Greenwich; Stratford
Full Stack Engineer (C# Backend / React .NET Front End)
Posted 1 week ago by Lorien Impellam
The RoleYou will play a critical role in designing, developing, and deploying a full-stack web application, taking it fr...
- Rate Not specified
- Category Not specified
- Work type Hybrid
- Location London, United Kingdom
Front-end Developer (8 Month Day Rate Contactor)
Posted 2 weeks ago by Handelsbanken Plc
Job IntroductionHandelsbanken combines a long-established relationship banking model with secure, resilient, and custome...
- Rate Not specified
- Category Not specified
- Work type Not specified
- Location London, United Kingdom
Front-end Developer (8 Month Day Rate Contactor)
Posted 2 weeks ago by Handelsbanken
Job IntroductionHandelsbanken combines a long-established relationship banking model with secure, resilient, and custome...
- Rate £500 per day
- Category Not specified
- Work type Not specified
- Location London, England, United Kingdom
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About Our Web Developer Contract Roles in London
What does a web developer contractor do?
Organisations bring in Web Developer contractors to build and maintain websites and web applications, working across the front-end presentation layer, back-end application logic, and the integration of content management systems, e-commerce platforms, and third-party APIs that underpin modern web experiences. The Web Developer role is broad and encompasses a range of specific technology specialisms: WordPress and PHP-based web development for CMS-driven websites, JavaScript front-end development using React or Vue.js for interactive web applications, full-stack development combining a back-end language with a front-end framework, and the technical SEO and performance optimisation that ensures web experiences are findable and fast. Contractors are engaged by digital agencies, in-house marketing and digital teams, e-commerce businesses, and technology companies across every sector.
The technical skills expected of Web Developer contractors depend on the specific technology stack and nature of the engagement. For CMS-based web development, which represents a large proportion of the total web developer contracting market, experience with WordPress theme and plugin development including PHP, ACF, and the Gutenberg block editor is expected by most clients alongside HTML, CSS, and JavaScript. For JavaScript application development roles, proficiency in React, Vue.js, or another front-end framework alongside modern CSS practices and tooling is the primary requirement. For e-commerce roles, platform-specific expertise in Shopify, WooCommerce, or Magento is typically required alongside general web development skills. Across all web development roles, knowledge of performance optimisation, accessibility standards, and the technical requirements for good search engine indexability is increasingly expected at professional level.
What is the market like for web developer contractors?
The market for Web Developer contractors is one of the highest-volume segments of the broader technology contractor market, driven by the enormous volume of websites and web applications that require ongoing development and maintenance across every sector. The market spans a very wide range from straightforward WordPress and CMS maintenance through to complex JavaScript application development, and rates vary correspondingly. The WordPress and agency web development market is competitive at the standard level, while JavaScript application development and e-commerce platform specialisms command rates more comparable to mainstream software development contracting. Contractors who combine strong front-end JavaScript skills with performance optimisation, accessibility, and technical SEO knowledge are in the strongest commercial position within the web development contracting market.
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 web developer contractors usually earn in London?
Contract rates for web developer roles in London typically range from £440 to £825 per day, depending on the scope of the role, required expertise, and the delivery expectations of the engagement.
How many web developer vacancies in London are there on Quality Contracts?
Over the past twelve months, we have tracked over 300 web developer contract roles across the site, with London accounting for roughly one in three of those. Data reviewed up to September 2026.