Front end web developer jobs in City Of WestminsterCreate job alerts

Job Title: JavaScript Developer (Contract) Location: London, UK (Hybrid/On-site depending on client) Contract Duration: 6–12 months (with possibility of extension) Rate: Competitive, depending on experience About the Role: We are seeking a talented and experienced JavaScript Developer for a contract position based in London. You will work on cutting-edge web applications, collaborating with cross-functional teams to deliver high-quality, scalable, and maintainable solutions. This is an exciting opportunity to contribute to innovative projects in a fast-paced environment. Key Responsibilities: • Develop, test, and maintain web applications using JavaScript and related frameworks., • Collaborate with UX/UI designers, backend developers, and product owners to implement new features., • Write clean, modular, and well-documented code., • Troubleshoot and resolve performance, scalability, and usability issues., • Participate in code reviews, knowledge sharing, and continuous improvement initiatives., • Strong proficiency in JavaScript (ES6+)., • Hands-on experience with front-end frameworks such as React, Angular, or Vue.js., • Solid understanding of HTML5, CSS3, and responsive design principles., • Experience with RESTful APIs, JSON, and asynchronous programming., • Familiarity with version control systems (Git)., • Ability to write unit and integration tests (e.g., Jest, Mocha, Cypress)., • Strong problem-solving skills and attention to detail., • Experience with TypeScript., • Knowledge of Node.js and server-side JavaScript., • Familiarity with CI/CD pipelines and cloud platforms (AWS, Azure, or GCP)., • Work on challenging projects with a supportive team., • Opportunity to gain exposure to the latest web technologies., • Flexible working arrangements (hybrid options available)., • Competitive contractor rates.

BAU code fixes and enhancements to existing sites on the platform Must have the following experience: ? Significant experience with building, launching and managing simple and complex websites on the Adobe Experience Manager platform ? Exper

We are looking for a front-end developer to work on the Issuemaster real-time web application. You must have successful experience developing real-time web front ends using both REST and WebSockets APIs. Experience as a senior developer on an eTrading or Front Office trading application will be a st

Get notified about new Frontend Developer jobs in. Senior Frontend Developer / React UI Engineer (Remote (UK-based only). We are looking for a skilled Front-end Developer to join our team and enhance our web presence, optimize user experience, and support our marketing and product initiatives.

As a Full Stack Developer, you will be responsible for both the front-end and back-end development of web applications, ensuring the seamless integration of user-facing features with the server-side logic. You will work closely with cross-functional teams, including designers, product managers, and

React Developer | London (Hybrid/Flexible) | £80,000 + Bonus + Benefits. You’ll work in a small, collaborative front-end group, building out modern React/TypeScript applications and contributing to an ambitious product roadmap. Develop and optimise modern React/TypeScript web applications.

Career Opportunities: Front-end Developer (10812). As a Front-End Developer at Open Reply, you will be an integral part of our core delivery team, focusing on enhancements for Web, eCommerce, and Mobile platforms. Minimum 1 year of professional experience as a Front-End Developer or in a similar rol

We are seeking a highly skilled and experienced Senior / Lead Front-end JavaScript Developer to join our Experience Engineering team. Design, develop, and maintain front-end components of web applications using HTML, CSS & JavaScript. Stay up to date with the latest industry trends and technologies,

Full Stack Developer (Remote) at Derisk360. We are looking for a talented and motivated Full Stack Developer with 2 years of hands-on experience in front-end and back-end development. Develop and maintain full-stack web applications with clean, efficient, and testable code.

Phono Sounds UK – Front and Back End WordPress Developer and SEO (UK) – Music Business Worldwide. Front and Back End WordPress Developer and SEO. Back end web technologies (PHP, MySQL).

As a Web Experience Designer & Payload Developer, you will play a key role in shaping and building the next generation of our content-driven web experiences. Stay current with design and front-end development best practices, as well as advancements in CMS frameworks, to bring innovation to our web e

Front End Developer with Java ? Central London Our Client is looking to recruit a Front End Java developer with at least 3 to 5 years solid development experience. GIGYA OO Design and Programming Web debugging experience and tools Responsive web design This is a 3 month assignment. Ple

Freelance Front End Developer role. My client is an internal creative agency, they are looking for a freelance Front End Developer to work with them (remotely) for a few weeks in October and possibly November, please note that the contract is Inside IR35. They are a large internal agency that do som

Front End Developer - React, TypeScript JavaScript, React, TypeScript, HTML, CSS, UI/UX Basingstoke, Hybrid (3 days per week in office) An exciting new opportunity with a small, fast and sustainably growing SaaS company developing digital communications solutions for a range of global companies. As

If youre an experienced Front-End Software Developer with a strong background in Angular, wed love to hear from you! Key Requirements: Proven experience developing angular applications React and Flutter CI/CD Grafana Minimum 4 years software development Familiarity with Agile methodologies and produ

Front End Developer - React, TypeScript JavaScript, React, TypeScript, HTML, CSS, UI/UX Basingstoke, Hybrid (3 days per week in office) An exciting new opportunity with a small, fast and sustainably growing SaaS company developing digital communications solutions for a range of global companies. As

Are you a Senior Front End Developer looking to make a real impact? We have an exciting opportunity to make a meaningful impact in a forward-thinking organisation. Key Skills and Responsibilities: Expert knowledge of HTML, CSS and JavaScript Experience developing front end applications using modern

They are looking for a Mid-Level Front End Developer to work with the Lead Front End Developer to help strengthen the development and delivery team. Front End Developer (Mid-Level) Hybrid working 2 - 3 days in Southampton, Hampshire VueJS, Javascript, UI/UX Our client is a fast-growing, founder led,

Gross salary starting at 1,500 EUR/month.Remote workplace (work from anywhere – you can chill in the Bahamas in your pyjamas!).We value health, awareness, consciousness and enjoy being Human.Position in one of the fastest-growing startups in Lithuania.Constant learning (500 EUR yearly budget for t

Front-End Developer (6-Month Contract) - Immediate Start. As the selected Front-End Developer, your background will include:. Newsroom Front-End Developer (12 Month FTC/Secondment).

We’re looking for a highly experienced front-end developer to contribute to the 2. Besides front-end development, you will be deeply involved in the design process - offering feedback and input in meetings with product managers and designers when planning new features and products. At least 3 year

Front-End Prototype Developer • Blockchain Industry • London Hybrid. A market leading blockchain technology business is looking for a talented Front-End Prototype Developer to join the growing Research & Development team.

Work with Back-end Developers to design and develop our web-sites, partner white labels, web services and APIs. We have an exciting opportunity for a React Front End Developer to join our client, a market leader in the booking industry. Understanding of front end automation and testing frameworks.

Work with Back-end Developers to design and develop our web-sites, partner white labels, web services and APIs. We have an exciting opportunity for a Front End Developer to join our client, a market leader in the booking industry. Understanding of front end automation and testing frameworks.

Senior Front End Software Developer. Significant experience with a JavaScript framework for front end development preferably Vue or React and preferably within a Single Page Application context. Experience working with modern front end frameworks, APIs and GraphQL.

Endeavour Recruitment have an amazing opportunity for an ambitious C# / Front-End developer to join a leading Media business in Central London. Ambitious C# / Front-End Developer - Leading Media Business London. As part of a fantastic and supportive team, the C# / Front-End Developer will be working

You could be progressing your career as a Front End Developer at a well-established AI company acting as a tech incubator within the World Economic Forum, tackling issues like climate change, AI, battery technology, and other real-world problems. As a Front End Developer / Engineer, you will earn a

We are looking for front-end developers. Issue a Letter of Recommendation. Collaborate with our CEO and product team to develop the web application.

We are seeking an experienced Senior Frontend Developer to join our UK Digital & Cloud Practice. Should be able to demonstrate a strong core front-end skillset of HTML 5, CSS 3, JavaScript. Ensure code meets the requirements and is in accordance with our architectural and front-end coding standards

Experience integrating front-end components with back-end services. Get notified about new Frontend Developer jobs in. The successful candidate will be responsible for designing and implementing front-end solutions that integrate seamlessly with back-end services, ensuring a scalable and maintainabl

You will be a part of Web Front-End team which oversees all Web UIs for consumer side of the business such as Wallet, DEX and crypto on-ramp. Senior Front-End Engineer - Crypto/Web3 (London). Join to apply for the Senior Front-End Engineer - Crypto/Web3 (London) role at Bondex.

Magento front end in a wide range of creative approaches. Do you have proven experience of working with large, scalable web applications?. Experience with Progressive Web Application development and React.

Get notified about new Frontend Developer jobs in. Work independently, to meet deadlines, adapt to shifting priorities, and manage your time within multiple projects concurrently.

As a front end developer, this is arguably one of the most complicated but rewarding projects you could work on, raising your profile and net worth as a software developer. We have a fantastic new opportunity for a Frontend Developer to work on the world's leading fixed-income e-trading systems. Wit

Join the development team and help choose the best business-tech solutions to ship new features for frontend (FE) and backend (BE). Full stack developer with Front- or Back-end specialization. Full stack developer with Front- or Back-end specialization (Mid level, based in Poland) – Join Dealstack

You must have successful experience developing real-time web front ends using both REST and websockets APIs. We are looking for a front-end developer to work on the Issuemaster real-time web application. Experience as a senior developer on an eTrading or Front Office trading application will be a st

Full stack developer with Front- or Back- end specialization (Mid level, based in SA) – Join to apply for the Full stack developer with Front- or Back- end specialization (Mid level, based in SA) role at Dealstack. Full stack developer with Front- or Back- end specialization. We were founded by ex

As a Senior Front End Developer, you'll be at the forefront of our digital product development, driving innovation and excellence in front-end engineering. Collaborate closely with designers, backend developers, DevOps, QA, and other stakeholders to drive end-to-end delivery. Senior Front End Develo

We are looking for a front-end developer to work on the Issuemaster real-time web application. You must have successful experience developing real-time web front ends using both REST and websockets APIs. At least 3 years of Typescript (you should be able to write a front end without React/Angular or

Freelance Front End Developer role. My client is an internal creative agency, they are looking for a freelance Front End Developer to work with them (remotely) for a few weeks in October and possibly November, please note that the contract is Inside IR35. They are a large internal agency that do som

Mentor and guide other developers, fostering a culture of continuous learning and improvement.

Integration of AI/ML components with frontend, backend, data and compute infrastructure. Liaise with other technical staff and data engineers in the team and across allied teams, to build an end-to-end pipeline consuming other data products. Backend development of generative AI evaluations for a Pyt

At Sahaj Software, we’re not just shipping pipelines — we’re designing.UK’s most forward-thinking organisations.We believe in craftsmanship, autonomy, and trust.No hierarchies, no bureaucracy — just small teams solving big problems with modern tech.As a Senior Data Engineer, you’ll own t

Keywords – Senior Software Engineer / Backend Developer / Software Developer / Platform Engineer / Systems Engineer / Software Architect / API Engineer / Cloud Engineer / Programmer / PHP / Laravel / MySQL / RabbitMQ / JavaScript / React / Redis / Electron. Having grown to almost 100 people, they

Implement and maintain end-to-end testing suites using Cypress. Proficient with Cypress or similar tools for end-to-end and UI testing. Develop, test, and maintain front-end applications using TypeScript and Next.

The role involves designing, implementing, and maintaining clean, well-tested code, while collaborating closely with frontend engineers, product managers, and designers.

SR2 is looking for a skilled Frontend Developer with strong Node. You’ll work across templating, frontend testing, and containerised environments, helping to deliver a seamless experience to end users. Writing robust end-to-end tests with Playwright to ensure a smooth user experience.

Hands-on experience with front-end frameworks such as. Collaborate with UX/UI designers, backend developers, and product owners to implement new features. Develop, test, and maintain web applications using JavaScript and related frameworks.