7 of 7 Contract Front End Development Jobs in London

Senior Full Stack Python Engineer - Agentic AI & Data Platforms

Hiring Organisation
Harvey Nash
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£800 - £900 per day + Bonus + Benefits
designing and delivering production-grade backend services, asynchronous processing pipelines, MCP (Model Context Protocol) servers and AI-driven workflows, alongside modern React-based front-end applications. You will also work closely with business stakeholders, product owners and technical teams to translate complex business requirements into scalable technology solutions. … expose internal APIs, databases and enterprise systems to AI agents. Implement agentic AI workflows using LangChain and/or LangGraph. Build modern, responsive front-end applications using React. Develop complex data visualisation interfaces using AG Grid. Design and optimise SQL queries and work with Oracle databases. Develop ...

Website and Digital Performance Manager

Hiring Organisation
Ascendion
Location
WC2A, Fleet Street, Greater London, United Kingdom
Employment Type
Permanent, Contract
websites, ensuring content is accurate, up to date, and aligned with brand standards. Manage website updates, enhancements, development requests, and basic front-end changes where appropriate. Identify and implement improvements to user experience, website performance, and conversion rates. Develop and execute SEO strategies, including keyword … translate data into actionable recommendations. Excellent stakeholder management and communication skills. Desirable Knowledge of Google Tag Manager and Search Console. Basic HTML, CSS, and front-end development knowledge. Experience with UX principles and conversion rate optimisation. Familiarity with BI and reporting tools such as Power ...

Full Stack Engineer

Hiring Organisation
DCV Technologies
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450/day Hybrid / Inside IR35
high-performing engineering team building scalable, enterprise-grade web and mobile applications. You will play a key role in developing innovative solutions across both front-end and back-end technologies, collaborating closely with product managers, designers, architects, and fellow engineers to deliver high-quality software that creates … full development lifecycle, from designing user interfaces to building robust APIs and scalable backend services. Key Responsibilities • Develop and maintain scalable front-end and back-end applications for web and mobile platforms. • Collaborate with cross-functional teams to design and deliver intuitive, high-performance ...

UI Front end Lead engineer – AEM & Generative AI (Claude)

Hiring Organisation
Vallum Associates
Location
London, United Kingdom
Employment Type
Contract
seeking a highly experienced UI Lead Frontend Engineer with 10+ years of experience in frontend development, enterprise UI architecture and technical leadership. The successful candidate will design and deliver scalable, reusable and high-performance frontend solutions using modern JavaScript frameworks, Adobe Experience Manager … assisted development tools. Essential Skills & Experience 10+ years of frontend/UI engineering experience. Expert knowledge of React.js, Next.js, TypeScript, JavaScript, HTML5 and CSS3 . Strong hands-on experience with Adobe Experience Manager (AEM Sites) , Core Components, editable templates and client libraries. Experience integrating frontend applications ...

Senior Frontend Developer

Hiring Organisation
Rullion Managed Services
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£650/day
into the project as appropriate. Work with version control systems like Git and ensure continuous integration and deployment processes are followed. Collaborate with back-end developers to integrate RESTful APIs and handle data flow effectively. Knowledge and Skills: Demonstrated expertise as a Senior Backend Developer. Proven experience in React.js … TypeScript development. Strong understanding of JavaScript and modern front-end technologies. Experience with state management libraries like Redux, Recoil, or similar. Familiarity with RESTful APIs Experience with version control systems, such as Git. Solid understanding of web development fundamentals: HTML, CSS, and responsive design. Strong ...

Senior Frontend developer

Hiring Organisation
Rullion Managed Services
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £700/day
modern frontend technologies. Contract Details Role: Senior Frontend Developer Contract Type: Inside IR35 Start Date: ASAP (flexible for the right candidate) Duration: Until the end of 2026 with potential extension Rate: Up to £650 per day Working Pattern: Hybrid - 1 day per week on-site in London (Thursdays) Hours … enjoys solving complex frontend challenges, delivering high-quality customer-focused solutions, and working within a collaborative engineering culture. You'll be comfortable owning features end-to-end, contributing to technical discussions, and helping shape the future direction of modern web applications. This role would suit someone who combines ...

Full Stack Developer Engineer - Cyber DevOps

Hiring Organisation
ECS Resource Group Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450/day Outside IR35
applications, automation and engineering tools used across Cyber Security and Network environments. This is an opportunity to work on a varied range of development projects, taking ownership across the full software development lifecycle, from designing and building backend services and APIs through to frontend … development, cloud deployment and production support. You'll be working with modern technologies to build secure, scalable and reliable solutions that support critical engineering environments. What will you be doing? Designing, developing and maintaining full-stack applications and internal engineering tools. Building backend services, REST APIs ...