1 to 25 of 45 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 (stealth mode start-up) A stealth mode start-up, recently established by a team of highly experienced engineers and entrepreneurs with substantial financial backing and a proven history of successful technology ventures, is seeking a Front-End Developer with a minimum … will include Typescript, but solid JavaScript is ok. Experience of React is 99% essential and Vue.js is a nice to have. This position is perfect for a Front-End Developer eager to pioneer novel technologies. You'll work closely with a dynamic team, facing unique challenges and bringing bold ideas to life. … of success through employing top-tier software engineers, they maintain high standards but also offer competitive compensation. Additionally, the package includes potentially very lucrative stock options. Ideal Front-End Developers should possess robust programming abilities coupled with an outstanding academic history, preferably from top-tier university. The company recognises that their exceptional products and commercial success More ❯

Front-End Developer (stealth mode start-up) A stealth mode start-up, recently established by a team of highly experienced engineers and entrepreneurs with substantial financial backing and a proven history of successful technology ventures, is seeking a Front-End Developer with a minimum … will include Typescript, but solid JavaScript is ok. Experience of React is 99% essential and Vue.js is a nice to have. This position is perfect for a Front-End Developer eager to pioneer novel technologies. You'll work closely with a dynamic team, facing unique challenges and bringing bold ideas to life. … of success through employing top-tier software engineers, they maintain high standards but also offer competitive compensation. Additionally, the package includes potentially very lucrative stock options. Ideal Front-End Developers should possess robust programming abilities coupled with an outstanding academic history, preferably from top-tier university. The company recognises that their exceptional products and commercial success More ❯

Front-End Developer – React/React Native Up to £65k + Bonus + Equity London, UK (Hybrid 3 days a week in office) An award-winning AI company at the cutting edge of natural language processing and data visualisation is looking for a Front-End Developer … and fast-moving – ideal for someone who enjoys working closely with peers and bringing elegant frontend solutions to life. What You’ll Be Doing Developing modern, responsive front-end applications using React.js, React Native, Expo, and Redux Collaborating with the Lead Visual Designer to craft a consistent and intuitive UI/UX Building and maintaining scalable … applications hosted on AWS Writing high-quality, well-tested, version-controlled code using Git Staying up to date with the latest front-end frameworks and practices What experience you will have Strong experience building production-ready apps with React.js and ideally React Native Deep understanding of JavaScript , HTML5 , and CSS3 Experience using Git/GitHub in More ❯

Front-End Developer – React/React Native Up to £65k + Bonus + Equity London, UK (Hybrid 3 days a week in office) An award-winning AI company at the cutting edge of natural language processing and data visualisation is looking for a Front-End Developer … and fast-moving – ideal for someone who enjoys working closely with peers and bringing elegant frontend solutions to life. What You’ll Be Doing Developing modern, responsive front-end applications using React.js, React Native, Expo, and Redux Collaborating with the Lead Visual Designer to craft a consistent and intuitive UI/UX Building and maintaining scalable … applications hosted on AWS Writing high-quality, well-tested, version-controlled code using Git Staying up to date with the latest front-end frameworks and practices What experience you will have Strong experience building production-ready apps with React.js and ideally React Native Deep understanding of JavaScript , HTML5 , and CSS3 Experience using Git/GitHub in More ❯

Senior Front-End Developer - Equity Derivatives Technology - VP We are seeking a senior developer to join the London based team part of the Equity Derivatives Pre-Trade technology group. This role will position you as a technical and delivery lead to help to design and deliver the build … conduct and business practices, and escalating, managing and reporting control issues with transparency. Required Qualifications: Experience as a technical lead senior developer with front-end technology (JS, ideally React). Extensive experience of system analysis and development of production-quality software applications. Consistently clear and concise written and verbal communication. Experience working More ❯

Role: Front-End Developer (ASP/.NET) with Firewall Experience Location: London, Remote Job Description: We are looking for a skilled ASP.NET/Front-End Developer with a strong foundation in network security and firewall configuration . The ideal candidate will have hands-on … experience with ASP.NET technologies and front-end development, coupled with working knowledge of firewall rules, access controls, and network policies. Experience with Palo Alto Networks is a strong advantage. Key Responsibilities: Develop and maintain web applications using ASP.NET (C#) and modern front-end technologies (e.g., HTML, CSS, JavaScript, React/Angular). … security protocols into applications. Assist in the design and validation of firewall rules and ACLs , ensuring secure access to application modules. Translate security and compliance requirements into front-end behavior and access control logic. Troubleshoot issues related to application-layer firewall conflicts and rule enforcement. Work closely with DevOps/network teams on deployment, access, and More ❯

We are a global digitalconsultancy specialising in AI, cloud, data, and digital product engineering ,delivering transformation at scale for clients in the UK, EU, and NorthAmerica. Our front-end developers are integral to our mission of deliveringseamless user experiences while maintaining technical excellence andoperational efficiency. Requirements Key Responsibilities Lead the development of complex user interfaces using … management strategies in alignment with our design systems andcoding standards. Collaborate closely with UX/UI designers totransform Figma prototypes into pixel-perfect, responsive web interfaces. Integrate front-end applications with RESTful APIsand GraphQL endpoints, ensuring robust data handling and error management. Participate in code reviews , provideconstructive feedback, and uphold high standards of code quality and … in applications, ensuring optimal load times and responsiveness acrossdevices. Mentor and support junior developers within theteam, fostering a culture of knowledge sharing and continuous improvement. Contribute to front-end build tooling and CI/CDpipelines , ensuring efficient developer workflows. Ensure compliance with accessibility (WCAG)standards across all interfaces. Proactively participate in sprint 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 ❯

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 ❯

Senior Front End UX UI Developer - Healthcare scaleup Central London - one day each week in the office £75-85k + benefits Were seeking a Senior Front End UX UI Developer with at least 5 years' experience in frontend development, includingcomplex web apps and … academic background and/or strong frontend portfolio At least 5 years' experience in frontend development, including complex web apps Proficiency in JavaScript (ES6+) , CSS and modern front-end frameworks such as Vue, React or Angular Experience with TailwindCSS, Vuetify or any other frontend design libraries Experience using component development tools such as Storybook Strong understanding … debt Senior Front End UX/UI Developer | Frontend Developer/Senior Front End Developer More ❯

you'll be doing: Building responsive, high-quality web applications and user interfaces using HTML, CSS and JavaScript Translating design mock-ups and wireframes into accessible, functional front-end features Collaborating with back-end teams to ensure seamless integration of APIs and data services Testing, debugging and maintaining code to ensure usability across devices … and browsers Staying current with front-end development tools, trends and frameworks Participating in code reviews and contributing to continuous improvement within the team Supporting the adoption of new digital capabilities across Defence environments Working in a fast-paced, agile team to solve real-world user challenges What we're looking for: UK Developed Vetting (DV … clearance is essential Experience as a Front-End Developer with a strong portfolio of front-end applications Proficiency in HTML, CSS and JavaScript, including modern frameworks such as React, Angular or Vue.js Understanding of responsive design and cross-browser compatibility Familiarity with version control (Git) and front More ❯

you'll be doing: Building responsive, high-quality web applications and user interfaces using HTML, CSS and JavaScript Translating design mock-ups and wireframes into accessible, functional front-end features Collaborating with back-end teams to ensure seamless integration of APIs and data services Testing, debugging and maintaining code to ensure usability across devices … and browsers Staying current with front-end development tools, trends and frameworks Participating in code reviews and contributing to continuous improvement within the team Supporting the adoption of new digital capabilities across Defence environments Working in a fast-paced, agile team to solve real-world user challenges What we're looking for: UK Developed Vetting (DV … clearance is essential Experience as a Front-End Developer with a strong portfolio of front-end applications Proficiency in HTML, CSS and JavaScript, including modern frameworks such as React, Angular or Vue.js Understanding of responsive design and cross-browser compatibility Familiarity with version control (Git) and front More ❯

Office travel - Hybrid (3 Days a week in the office) Location - Central London Salary - £80,000 - £90,000 + Benefits Infinite Talent has partnered with a renewable energy start-up backed by a global business to recruit for two Front More ❯

cloud payroll software, and Jibble an award-winning time clock solution, each with thousands of paying customers. About The Job We're looking for a highly experienced front-end developer to contribute to the 2.0 version of Jibble, which has been built on Vue.js Frontend. The Jibble 2.0 product was fully launched … from 6 different countries, operating in bi-weekly sprints with daily stand-ups. We apply Scrum methodology in the development process and impact is continuously measured. 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. More ❯

We're looking for a Senior Frontend Developer who's passionate about building beautifully crafted, high-performance user interfaces. You'll play a key role in shaping the user experience of innovative software solutions, working closely with backend developers and data scientists to bring complex ideas to life. We're looking for someone who thrives on … user-friendly interactions and interfaces using tools such as Figma Facilitate UX/UI requirements elicitation sessions with clients Interact with RESTful APIs for seamless communication between front-end and back-end systems Deliver high-quality code and successful project outcomes Provide mentorship to other software engineers Stay updated with the latest advancements in More ❯

We are seeking two Senior Front-End Blockchain Developers to join a UK-based B2B trading platform in the fintech space. You will continue the development of a Ruby/Rails and React web application, ensuring a seamless user experience and robust integrations with blockchain-based core services. This is a full-time, 12-month contract … Candidate Remuneration: £6,500-£7,500 per month (£78,000-£90,000 per year) Remuneration Frequency: Monthly Country of Resource: United Kingdom Responsibilities Develop and maintain the front-end of a Ruby/Rails and React-based web application. Collaborate with product and back-end teams to implement fintech and blockchain features. Ensure high … years of hands-on experience React: Minimum 7 years of hands-on experience API Integrations: Minimum 5 years of experience Professional Software Development: 10+ years of experience Front-End Architecture: Strong understanding required Language: English (Advanced proficiency) Nice-to-Have Skills Experience with fintech platforms or blockchain-based UIs Proficiency in JavaScript/TypeScript frameworks (e.g. 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 … 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 ❯

Front End Developer - Healthcare scaleup Central London/Hybrid working - one day each week £70-85k DoE benefits We’re seeking a Front End Developer with the ability to create great UX/UI to help take an exciting world-class healthcare platform … academic background and/or strong frontend portfolio At least 5 years' experience in frontend development, including complex web apps Proficiency in JavaScript (ES6+) , CSS and modern front-end frameworks such as Vue, React or Angular Experience with TailwindCSS, Vuetify or any other frontend design libraries Experience using component development tools such as Storybook Strong understanding … refactoring and modernising large-scale web applications, including upgrading frameworks, optimising performance, and managing technical debt Frontend Developer/Senior Front End Developer More ❯

We’re looking for an enthusiastic and detail-oriented Junior Front End Developer to support the development of responsive, interactive web applications for our client a leading tech consultancy. This is a fantastic opportunity to gain hands-on experience working with a dynamic team of developers on real-world projects. … per day (DOE) Start Date: ASAP Duration: Ongoing (initial 3–6 months with potential extension) Key Responsibilities Assist in designing, developing, and deploying user-friendly front-end interfaces. Contribute to the maintenance and improvement of reusable front-end components. Support integration of front-end features with back-end systems and APIs. Participate in debugging, performance testing, and front-end optimisation. Work collaboratively with developers, designers, and product managers. Stay informed on evolving tools, frameworks, and front-end trends. Help document workflows, processes, and best practices. Troubleshoot UI/UX issues and suggest improvements. Experience & Skills: Around 1 year 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 ❯

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 ❯

Senior Frontend Developer page is loaded Senior Frontend Developer Apply locations Uxbridge, UK (ZUK131) London, UK time type Full time posted on Posted Yesterday job requisition id R51921 Company Overview At Motorola Solutions, we believe that everything starts with our people. We're a global close-knit community, united by the relentless … working on a hybrid basis, with the expectation of working out of our London offices during the week. We are looking for a passionate and experienced frontend developer to join our growing team to help to develop our Web apps written in Vue and Typescript. Experience with these technologies is not required, but is preferred. If More ❯

Senior Frontend Developer page is loaded Senior Frontend Developer Apply locations Uxbridge, UK (ZUK131) London, UK time type Full time posted on Posted Yesterday job requisition id R51921 Company Overview At Motorola Solutions, we believe that everything starts with our people. We're a global close-knit community, united by the relentless … working on a hybrid basis, with the expectation of working out of our London offices during the week. We are looking for a passionate and experienced frontend developer to join our growing team to help to develop our Web apps written in Vue and Typescript. Experience with these technologies is not required, but is preferred. If More ❯