Web Developer Contract Jobs in London

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Updating results… 18 Contract jobs sorted by:
Date Posted
Date Posted
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Updating results… 18 Contract jobs

Frontend Developer

Posted 1 day ago by Norton Blake


Title – Frontend Developer – Vite.jsLocation – London HybridOutside IR35Circa 400-450 per dayKey responsibilities:Develo...

  • Rate £450 per day
  • Category Outside
  • Work type Hybrid
  • Location London

Digital Experience & Website Lead - 12 month FTC

Posted 1 day ago by Flagstone Group LTD


What is Flagstone?Flagstone is many things. An online savings platform, reinventing how individuals, businesses, and cha...

  • Rate Not specified
  • Category Not specified
  • Work type Hybrid
  • Location London, United Kingdom

Java Web Developer

Posted 3 days ago by Square One Resources


The OpportunityA leading global financial technology organisation is looking for a highly technical, hands-on Java Devel...

  • Rate £340 per day
  • Category Not specified
  • Work type Onsite
  • Location London

Java Web Software Engineer Spring React London

Posted 3 days ago by TELSTRA Associates


A leading IT Consultancy is seeking a Java Web Software Engineer on a long term contract basis.You will be needed onsite...

  • Rate £335 per day
  • Category Inside
  • Work type Hybrid
  • Location London/Hybrid

Frontend Engineer - Agentic AI/GenAI

Posted 4 days ago by SR2 - Socially Responsible Recruitment


Contract Frontend Engineer - Agentic AI/GenAIReact | Next.js | TypeScript | GraphQL | GenAIContract | London/Hybrid | Im...

  • Rate £450 per day
  • Category Not specified
  • Work type Hybrid
  • Location London

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Web Application Support Engineer

Posted 4 days ago by Pontoon


Web Application Support EngineerLocation: Canary Wharf, London - 3 days a week onsite expected.Daily Rate: £416.00 Umbre...

  • Rate £416 per day
  • Category Not specified
  • Work type Hybrid
  • Location London

Web Security Engineer (Akamai)

Posted 4 days ago by Sanderson Recruitment


Key ResponsibilitiesManage and optimise Akamai WAAP configurations, WAF policies, security rules and exceptionsAdministe...

  • 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

Web Security Engineer (Akamai)

Posted 5 days ago by Sanderson Recruitment Plc


Key ResponsibilitiesManage and optimise Akamai WAAP configurations, WAF policies, security rules and exceptions - Admini...

  • Rate £600 per day
  • Category Inside
  • Work type Hybrid
  • Location London

Co-Founding Front End Developer (React/ Javascript)

Posted 1 week ago by fyaora


About GlerWe’re building Gler, an on-demand platform reimagining how customers connect with trusted cleaners.From hourly...

  • Rate Not specified
  • Category Not specified
  • Work type Remote
  • Location London Area, United Kingdom

Web Content Manager

Posted 1 week ago by Linkedin


Ideal Candidate ProfileThis is an excellent opportunity for a candidate who is digitally minded, detail-oriented, and co...

  • Rate Not specified
  • Category Fixed-Term
  • Work type Not specified
  • Location Greater London, England, United Kingdom

Senior Front End React Engineer

Posted 1 week ago by Experis


The OpportunityWe're looking for a Senior Front End React Engineer to join a major digital transformation programme focu...

  • Rate £470 per day
  • Category Not specified
  • Work type Hybrid
  • Location UK; London; Birmingham; Manchester; Glasgow; Liverpool; Leeds; Edinburgh; Bristol; Cardiff; Nottingham

Website and Intranet Officer

Posted 1 week ago by YMCA St Paul's Group


The Website and Intranet Officer ( Interim / 20 hours per week ) is responsible for maintaining and developing YMCA St P...

  • Rate Not specified
  • Category Not specified
  • Work type Not specified
  • Location Greater London, England, United Kingdom

Frontend Engineer

Posted 1 week ago by AfterQuery Experts


AfterQuery is looking for experts with experience in software engineering, computer science, or app/web development to h...

  • Rate Not specified
  • Category Not specified
  • Work type Remote
  • Location London, England, United Kingdom

Marketing Platforms Web Technical Specialist AEM

Posted 1 week ago by Intuition IT Solutions Ltd


SummaryThe client focus deeply on our customers' experience.Their Ads brings this same approach to advertising, helping...

  • Rate Not specified
  • Category Not specified
  • Work type Not specified
  • Location London

Senior Frontend Engineer, Scale

Posted 2 weeks ago by Apple


About AirwallexAirwallex is the only unified payments and financial platform for global businesses.Powered by our unique...

  • Rate £138,955 per year
  • Category Not specified
  • Work type Not specified
  • Location London; City of London; East London; Central London; South East London; West London; Canary Wharf; South West London; North London; Greenwich; Stratford

UX Engineer / Front-End Engineer – AI & Science Research

Posted 2 weeks ago by Career Moves Group I B Corp™


UX Engineer / Front-End Engineer – AI & Science Research Location: King’s Cross, London Contract: 12 months Rate: £4...

  • Rate £42 per hour
  • Category Not specified
  • Work type Hybrid
  • Location London Area, United Kingdom

Front-End Web Developer - React, Adobe Experience Manager

Posted 2 weeks ago by Hays


Front-End Web Developer - React, Adobe Experience Manager £Market Rate (Inside IR35) Coventry (1-2 days a month onsite)...

  • Rate £410 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

Web Developer

Posted 2 weeks ago by AfterQuery Experts


AfterQuery is looking for experts with experience in software engineering, computer science, or app/web development to h...

  • Rate Not specified
  • Category Not specified
  • Work type Remote
  • Location London, England, United Kingdom

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 August 2026.