1 to 25 of 27 Front-End Developer (Client-Side Developer) Jobs in London

Front-End Developer (one day a week in the central London office) Sports Analytics This role is a unique opportunity for a Front-End Developer to combine technical challenges with creativity in a collaborative, high-standard work environment. By joining this team, youll not … an ideal setting for those passionate about leveraging cutting-edge technology to make meaningful contributions in the world of sports analytics. Key responsibilities for the role of Front-End Developer include: Build responsive, accessible, and high-performance front-end interfaces using Next.js, React.js, and Tailwind CSS. Collaborate with … and scalability, with an emphasis on cloud integration. Contribute to CI/CD processes, deployments, and frontend build pipelines in a cloud-based environment. As the selected Front-End Developer, your background will include: 3+ years industry experience in a Front-End Developer role More ❯

Front-End Developer – React Native/React – AI Product Up to £75k + 10% bonus + equity London (Hybrid - 3 days a week) A cutting-edge AI company shaping the future of strategic insight is looking for a Front-End Developer to join their … joining a collaborative, design-focused team solving some of the most interesting problems in natural language processing and knowledge visualisation. What You’ll Be Doing Building responsive front-end experiences in React, React Native, and Expo Collaborating closely with the Lead Visual Designer on clean and consistent UI/UX Developing new user-facing features and … shipping high-quality code Working with cloud-based hosting services to support scalable applications Staying up to date with front-end technologies and contributing ideas to improve development Pair programming, code reviewing, and pushing to GitHub in a supportive engineering culture What Experience You Will Have Strong experience with JavaScript, HTML5, CSS3 and modern web development More ❯

Front-End Developer – React Native/React – AI Product Up to £75k + 10% bonus + equity London (Hybrid - 3 days a week) A cutting-edge AI company shaping the future of strategic insight is looking for a Front-End Developer to join their … joining a collaborative, design-focused team solving some of the most interesting problems in natural language processing and knowledge visualisation. What You’ll Be Doing Building responsive front-end experiences in React, React Native, and Expo Collaborating closely with the Lead Visual Designer on clean and consistent UI/UX Developing new user-facing features and … shipping high-quality code Working with cloud-based hosting services to support scalable applications Staying up to date with front-end technologies and contributing ideas to improve development Pair programming, code reviewing, and pushing to GitHub in a supportive engineering culture What Experience You Will Have Strong experience with JavaScript, HTML5, CSS3 and modern web development More ❯

Front-End Developer – React Native/React – AI Product Up to £75k + 10% bonus + equity London (Hybrid - 3 days a week) A cutting-edge AI company shaping the future of strategic insight is looking for a Front-End Developer to join their … joining a collaborative, design-focused team solving some of the most interesting problems in natural language processing and knowledge visualisation. What You’ll Be Doing Building responsive front-end experiences in React, React Native, and Expo Collaborating closely with the Lead Visual Designer on clean and consistent UI/UX Developing new user-facing features and … shipping high-quality code Working with cloud-based hosting services to support scalable applications Staying up to date with front-end technologies and contributing ideas to improve development Pair programming, code reviewing, and pushing to GitHub in a supportive engineering culture What Experience You Will Have Strong experience with JavaScript, HTML5, CSS3 and modern web development More ❯

Front-End Developer – React Native/React – AI Product Up to £75k + 10% bonus + equity London (Hybrid - 3 days a week) A cutting-edge AI company shaping the future of strategic insight is looking for a Front-End Developer to join their … joining a collaborative, design-focused team solving some of the most interesting problems in natural language processing and knowledge visualisation. What You’ll Be Doing Building responsive front-end experiences in React, React Native, and Expo Collaborating closely with the Lead Visual Designer on clean and consistent UI/UX Developing new user-facing features and … shipping high-quality code Working with cloud-based hosting services to support scalable applications Staying up to date with front-end technologies and contributing ideas to improve development Pair programming, code reviewing, and pushing to GitHub in a supportive engineering culture What Experience You Will Have Strong experience with JavaScript, HTML5, CSS3 and modern web development More ❯

a rewarding career where your potential is celebrated, and your journey to excellence begins. About the Role We are on the lookout for a talented and experienced Front-End Developer (6-Month Contract) ready to hit the ground running to become a vital part of our Technology & Engineering team at ECA International. … thrives on creating responsive, user-friendly web applications utilising React, Remix, TypeScript/JavaScript, CSS, and Tailwind. The ideal candidate will take charge of designing and implementing front-end solutions that flawlessly integrate with back-end services, ensuring a robust and maintainable architecture. You will collaborate closely within an Agile team, transforming business requirements … into impactful technical solutions and advocating for best practices in front-end development. This is an incredible opportunity to take the lead on UI design and execution, promote modern development methodologies, and leverage AI to foster innovation and enhance productivity throughout the software development lifecycle. Key Responsibilities: Front-End Development : Build responsive More ❯

Job Title: Front-End Developer (Public Sector - SC Cleared) Contract : £400-£450/day Outside IR35 Location : Hybrid (London-based) Duration : 6 months (Mid-December start - End of June) Security Clearance : SC Clearance required Overview We're looking for a talented Front-End Developer … will serve as the primary access point for stakeholders to explore data, monitor performance, and make informed decisions. Key Responsibilities Interface Development :Design and build a centralised front-end application that integrates outputs from dashboards, reports, models, and data pipelines into a single, intuitive view. Accessibility Compliance :Ensure the interface meets WCAG 2.2 standards, promoting inclusive … iterate on design and functionality. Documentation & Scalability :Maintain component libraries and documentation to support consistency and scalability across future data products. Ideal Candidate Profile Proven experience in front-end development within data-rich environments Strong knowledge of modern JavaScript frameworks and data visualisation tools Familiarity with accessibility standards and responsive design principles Comfortable working independently and More ❯

Are you an experienced Front-End WordPress Developer looking for your … next challenge with a leading EdTech innovator? Our client, an award-winning business, is seeking a talented individual to take ownership of their website's front-end development and enhancements. About Our Client: Our client is a dynamic and growing EdTech company headquartered in London, with a team of … closely with cross-functional teams including PPC and SEO specialists, full-stack developers and content creators. The Role: As a Front-End WordPress Developer, you will be responsible for delivering visually appealing, highly functional, and performance-optimised platforms. You'll drive new website improvements across two group brands, ensuring a seamless user More ❯

Are you an experienced Front-End WordPress Developer looking for your … next challenge with a leading EdTech innovator? Our client, an award-winning business, is seeking a talented individual to take ownership of their website's front-end development and enhancements. About Our Client: Our client is a dynamic and growing EdTech company headquartered in London, with a team of … closely with cross-functional teams including PPC and SEO specialists, full-stack developers and content creators. The Role: As a Front-End WordPress Developer, you will be responsible for delivering visually appealing, highly functional, and performance-optimised platforms. You'll drive new website improvements across two group brands, ensuring a seamless user More ❯

Front End Developer, you'll be at the forefront of our digital product development, driving innovation and excellence in front-end engineering. You will be responsible for delivering high-quality frontend solutions by setting the coding standard, shaping the architecture, guiding engineering practices, and lead the team through More ❯

Eir Evo Talent are working with an incredibly exciting scaling fintech who has recently secured a tonne of investment to 1, build out more products within their suite but also to scale the business. Their investors are the likes of More ❯

Front End Developer/Engineer (TypeScript React Native AI) London/WFH to £65k Want to work on intellectually and technically challenging AI systems at the cutting edge of what is possible, whilst learning and collaborating with an amazing team and enjoying flexible working and a range of other perks You could … be progressing your career as a Front End Developer at a well-established AI company acting as tech incubator within the World Economic Forum to tackle issues like climate change, AI, battery technology and other real world problems.As a Front End Developer you'll … AWS preferred) You are a bright, proactive individual and a strong problem solver with commercial acumen What's in it for you: As a Front End Developer/Engineer, you will earn a competitive package including: Salary to £65k Bonus Pension Healthcare Work with the latest cutting-edge AI technologies Excellent training More ❯

Senior Front End Developer/Engineer (JavaScript Vue.js) London to £100k Do you enjoy working with a range of programming languages? You could be progressing your career in a senior, hands-on Front End Developer role at a scale-up tech company, that enables … of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior Front End Developer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and future … developers You're likely to be degree educated in Computer Science or similar tech discipline What's in it for you: As a Senior Front End Developer you will receive a competitive package: Salary to £100k 25 days holiday (increasing to 30), plus Christmas Eve Vitality healthcare plus a host of wellbeing More ❯

-Experience Front End, you'll be at the forefront of our digital product development, driving innovation and excellence in front-end engineering. You will be responsible for delivering high-quality frontend solutions by setting the coding standard, shaping the architecture, guiding engineering practices, and lead the team through More ❯

Our client is seeking a highly experienced Senior Frontend (HTML5) Game Developer based in or near Oxford, UK, as you will be required to work in the office 1 day per month ; otherwise, you will be working remotely . The candidate will be responsible for implementing and tuning high-quality, optimised, maintainable code within More ❯

Front End React Developer, React, Javascript, NW London to £80K A leading financial software company are looking for a Front End JavaScript developer who is proficient with React.js. The role is Offcie based in North West London, Your primary focus will be on developing … infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important. Responsibilities Developing new user-facing features using React.js Building reusable components and front-end libraries for future use Translating designs and wireframes into high quality code Optimising components for maximum performance across a vast array of web-capable devices and browsers … principles Experience with Redux and RTK (RTKQuery also a bonus) Familiarity with RESTful APIs Knowledge of modern authorization mechanisms, such as JSON Web Token Familiarity with modern front-end build pipelines and tools (Github actions a bonus) Experience with common front-end development tools such as Babel, Webpack, NPM, etc. Ability to More ❯

Frontend WordPress Developer - £45k - 3 days in London Bridge Technologies: WordPress, React, JavaScript, Next.js (MUST) SoBold is a high-performance website design and development agency based in London. We are a collaborative, values-driven team delivering exceptional websites and platforms. Our values are kindness, accountability, creative thinking, awareness, and teamwork. We are looking for an ambitious … Developer to join our team. You will be instrumental in re-architecting a key client website using Next.js , WordPress, and modern front-end technologies. What you'll do Build pixel-perfect, responsive web pages using HTML, SCSS, JavaScript, and Typescript Work with React/Next.js/GraphQL to develop headless … WordPress sites Ensure performance and scalability across devices Create reusable code and develop complex front-end functionality Produce documentation and guidance for clients and team members Snag, test, and maintain high standards on all projects Lead front-end aspects of projects and support junior developers What we need from you Strong HTML More ❯

Senior Front End Developer/Engineer (React TypeScript Data Visualisation) London to £80k Are you a skilled Software Developer with strong React and Data Visualisation skills combined with a good appreciation of financial markets and technology? You could be joining a growing, global, Fintech services company that has … seen 30-40% year on year growth for the past 10 years and has ambitious growth plans. As a Senior Front End Developer you'll design and develop new features and enhancements to the front end of the platform with a focus on real-time data visualisation on … degree educated, having achieved a 2.1 or above in Computer Science or similar technical discipline What's in it for you: As a Senior Front End Developer you will receive a comprehensive package including: Salary to £80k Private Medical Healthcare including Dental and Vision cover Pension Share Option scheme Employee Wellness Programme More ❯

limited hiring capabilities. About the Opportunity We are building Version 2 of SkilledUp Life after operating our Minimum Viable Product for 4 years. Our tech stack includes: Front-end: Vue.js Database: MariaDB Hosting environment: AWS EC2 + S3 We are looking for front-end developers. The product team is led by an More ❯

Innovation Developer | Financial Services | Berkshire | Hybrid | 6 Months Initial Contract | £700/day Inside IR35 | Full Stack Development - Front End | AI |LLM | PoC | Our client is seeking an experienced Innovation Developer to be responsible for for transforming visionary ideas into tangible prototypes and proof of concepts … If you have experience within utilities/energy or related sector this would be highly desirable. Your Essential Skills and Experience: Extensive experience as a full-stack developer, proficient in multiple languages and technologies AI engineering Hands-on experience with advanced technologies like large language models (LLMs), computer vision, predictive analytics, and data science. 3D modelling More ❯

Job Description: We are looking for a Front-End Developer with expertise in AngularJS and Bootstrap to join our team. The ideal candidate should have experience working in the banking domain , and developing secure and responsive web applications. You will be responsible for designing and implementing user-friendly interfaces that enhance the … with UX/UI designers, backend developers, and business analysts to create seamless user experiences. Implement security best practices to protect sensitive banking data. Troubleshoot and debug front-end issues to ensure smooth application performance. Stay up to date with industry trends and emerging front-end technologies. More ❯

Job Description: We are looking for a Front-End Developer with expertise in AngularJS and Bootstrap to join our team. The ideal candidate should have experience working in the banking domain , and developing secure and responsive web applications. You will be responsible for designing and implementing user-friendly interfaces that enhance the … with UX/UI designers, backend developers, and business analysts to create seamless user experiences. Implement security best practices to protect sensitive banking data. Troubleshoot and debug front-end issues to ensure smooth application performance. Stay up to date with industry trends and emerging front-end technologies. More ❯

Level (for internal use): 11 Role Description: We are seeking an experienced and passionate Senior Frontend React UI Developer to build out our front-end web application, which will allow the users to create a graphical model interactively and collaboratively, view models, upload data and run models on that scenario data, as … Interact with the RESTful API that we develop to trigger jobs asynchronously and retrieve sampling results from the storage layer Knowledge of how to test the developed front-end componentry Interested in shaping the backend Python API or becoming involved in full stack development. Desired/Obtained Qualifications and experience: Some general knowledge of Bayesian networks More ❯

We are hiring a Frontend Developer We are seeking a talented and motivated Frontend Developer with strong expertise in TypeScript to join our growing development team. In this role, you will work on building high-quality, scalable, and responsive web applications using React and TypeScript. You will collaborate closely with … cross-functional teams to deliver exceptional user experiences and optimize performance. Knowledge and Skills Proven experience in React.js and TypeScript development Strong understanding of JavaScript and modern front-end technologies Experience with state management libraries like Redux, Recoil, or similar Accountabilities Develop and maintain scalable and responsive web applications using React.js and TypeScript Collaborate with UX More ❯

Contract Front End Developer/Outside IR35 We’re supporting a technology company who are scaling their product delivery and looking for an experienced Front End Developer to join on a contract basis. You’ll be working on new features, performance improvements, and delivering … quality, maintainable code across web applications. You’ll be part of a collaborative engineering culture with a strong emphasis on modern frameworks, accessibility, and best practices in front-end delivery. Tech stack includes: React Next.js (App Router, server-side) TypeScript Tailwind CSS Alby & Temporal UI component libraries/design systems GitHub/GitLab CI More ❯