19 of 19 Front-End Developer (Client-Side Developer) Jobs in the City of London

We have partnered with a data platform and insights provider used by leading global brands to navigate and engage virtual worlds. Our platform enables clients to measure, attribute, and identify tangible revenue opportunities in digital spaces. They are a team More ❯

We have partnered with a data platform and insights provider used by leading global brands to navigate and engage virtual worlds. Our platform enables clients to measure, attribute, and identify tangible revenue opportunities in digital spaces. They are a team More ❯

that values continuous learning and global collaboration, where you can make a meaningful impact through innovative projects that shape the future of technology. About the Role The Front-End React Engineer will design, develop, and deliver responsive, accessible, and high-performing web applications using React.js and modern front-end technologies. This role … maintainability, and security across digital platforms. Responsibilities Develop scalable and reusable React.js components using TypeScript. Translate UX/UI designs into responsive and accessible web interfaces. Integrate front-end applications with RESTful and GraphQL APIs. Implement secure authentication, session management, and data handling. Optimise applications for performance, accessibility, and cross-browser compatibility. Maintain consistent styling using … such as Material UI, Bootstrap, or TailwindCSS. Collaborate with UX Designers, Developers, and Integration Specialists to align workflows. Work with Solution Architects and Cloud Engineers to deploy front-end applications in AWS or Azure environments. Participate in Agile ceremonies including sprint planning, stand-ups, and retrospectives. Conduct peer reviews and ensure adherence to front More ❯

that values continuous learning and global collaboration, where you can make a meaningful impact through innovative projects that shape the future of technology. About the Role The Front-End React Engineer will design, develop, and deliver responsive, accessible, and high-performing web applications using React.js and modern front-end technologies. This role … maintainability, and security across digital platforms. Responsibilities Develop scalable and reusable React.js components using TypeScript. Translate UX/UI designs into responsive and accessible web interfaces. Integrate front-end applications with RESTful and GraphQL APIs. Implement secure authentication, session management, and data handling. Optimise applications for performance, accessibility, and cross-browser compatibility. Maintain consistent styling using … such as Material UI, Bootstrap, or TailwindCSS. Collaborate with UX Designers, Developers, and Integration Specialists to align workflows. Work with Solution Architects and Cloud Engineers to deploy front-end applications in AWS or Azure environments. Participate in Agile ceremonies including sprint planning, stand-ups, and retrospectives. Conduct peer reviews and ensure adherence to front More ❯

Senior Front End Engineer – AI x Metaverse - React London | £80–90k | Onsite 3 days/week 6 years + commercial experience. An early-stage, fast-growing SaaS company is scaling its engineering team in London. Their More ❯

Senior Front End Engineer – AI x Metaverse - React London | £80–90k | Onsite 3 days/week 6 years + commercial experience. An early-stage, fast-growing SaaS company is scaling its engineering team in London. Their More ❯

It also means committing to excellence, learning, and delivering great products to our customers in a high-velocity startup. The role We’re looking for a talented Front-End Engineer to drive the development of our high-performance AI video security platform. In this role, you will own a significant part of the front … skills. Experience with React Query, Storybook, and Material UI (or similar). Proven ability to optimize performance and build interactive, user-friendly applications. Experience leading large-scale front-end projects and setting best practices. Familiarity with backend/cloud technologies (AWS, Python, databases). Self-driven with a high level of intrinsic motivation to succeed and More ❯

It also means committing to excellence, learning, and delivering great products to our customers in a high-velocity startup. The role We’re looking for a talented Front-End Engineer to drive the development of our high-performance AI video security platform. In this role, you will own a significant part of the front … skills. Experience with React Query, Storybook, and Material UI (or similar). Proven ability to optimize performance and build interactive, user-friendly applications. Experience leading large-scale front-end projects and setting best practices. Familiarity with backend/cloud technologies (AWS, Python, databases). Self-driven with a high level of intrinsic motivation to succeed and More ❯

of experience in JavaScript development, including strong proficiency in React and NodeJS. Solid experience with TypeScript and modern state management libraries (Redux Toolkit, Zustand). Expertise in front-end build tools (Vite, Webpack) and styling frameworks (Tailwind). Hands-on experience with automated testing frameworks (Jest, Mocha, Vitest, Enzyme). Familiarity with end-to More ❯

of experience in JavaScript development, including strong proficiency in React and NodeJS. Solid experience with TypeScript and modern state management libraries (Redux Toolkit, Zustand). Expertise in front-end build tools (Vite, Webpack) and styling frameworks (Tailwind). Hands-on experience with automated testing frameworks (Jest, Mocha, Vitest, Enzyme). Familiarity with end-to More ❯

Senior Frontend Developer Up to £80,000 Central London - Flexible Hybrid Options Health-Tech A start-up within the health space are seeking a Senior Frontend Developer to join a high performing squad of engineers building a unique SAAS platform which is radically streamlining an existing complex process. You'd join as … a Senior Frontend Developer and make a real impact on user facing features from the off while enhancing frontend architecture in order to accelerate the products ground-breaking advancements. As a Senior Frontend Developer, you will have the following: Strong expertise in React & Typescript - ideally also with Next.js Strong UI/UX … social impact and grow with the company This is an exciting opportunity to work on impactful projects in a forward-thinking environment. If you are passionate about front-end development, we’d love to hear from you More ❯

Senior Frontend Developer Up to £80,000 Central London - Flexible Hybrid Options Health-Tech A start-up within the health space are seeking a Senior Frontend Developer to join a high performing squad of engineers building a unique SAAS platform which is radically streamlining an existing complex process. You'd join as … a Senior Frontend Developer and make a real impact on user facing features from the off while enhancing frontend architecture in order to accelerate the products ground-breaking advancements. As a Senior Frontend Developer, you will have the following: Strong expertise in React & Typescript - ideally also with Next.js Strong UI/UX … social impact and grow with the company This is an exciting opportunity to work on impactful projects in a forward-thinking environment. If you are passionate about front-end development, we’d love to hear from you More ❯

Front-End Engineer Location: London (Onsite, 5 days per week) Salary & Benefits: £80,000– £120,000 + Benefits Investigo are partnered with an innovative AI technology company. They’re on a mission to transform the way businesses leverage systems through AI-powered solutions, and they’re looking for a Front-End Engineer More ❯

Front-End Engineer Location: London (Onsite, 5 days per week) Salary & Benefits: £80,000– £120,000 + Benefits Investigo are partnered with an innovative AI technology company. They’re on a mission to transform the way businesses leverage systems through AI-powered solutions, and they’re looking for a Front-End Engineer More ❯

Frontend Developer London - 3x Days per week on-site 3-6 Month Contract One of our major banking clients is looking for a Front end Developer. Must-Have Skills: Strong proficiency in React and JavaScript . Deep understanding of web accessibility standards and testing methodologies. Experience designing and implementing component libraries . More ❯

Frontend Developer London - 3x Days per week on-site 3-6 Month Contract One of our major banking clients is looking for a Front end Developer. Must-Have Skills: Strong proficiency in React and JavaScript . Deep understanding of web accessibility standards and testing methodologies. Experience designing and implementing component libraries . More ❯

Senior Frontend (React/Vue) Developer - Contract - Airline Transformation A global airline is urgently seeking Frontend developers … to support a large-scale transformation aimed at modernising their IT Suite across all business layers. Your primary responsibility will be to accelerate the migration of their front-end from Vue to React in applications that support their crew operations. You will work closely with the product lead, who is tasked with leading the adoption of … Rate: 700 Inside Location: Heathrow Airport, London Hybrid: Flexible Duration: 3months Requirements: Extensive experience building comprehensive UI using React and Vue (6years +) Deep understanding of modern front-end development best practices and architecture Experience with component-based architecture and design systems Experience working with diverse stakeholders such as; third-party partners, executive stakeholders, and clients More ❯

Senior Frontend (React/Vue) Developer - Contract - Airline Transformation A global airline is urgently seeking Frontend developers … to support a large-scale transformation aimed at modernising their IT Suite across all business layers. Your primary responsibility will be to accelerate the migration of their front-end from Vue to React in applications that support their crew operations. You will work closely with the product lead, who is tasked with leading the adoption of … Rate: 700 Inside Location: Heathrow Airport, London Hybrid: Flexible Duration: 3months Requirements: Extensive experience building comprehensive UI using React and Vue (6years +) Deep understanding of modern front-end development best practices and architecture Experience with component-based architecture and design systems Experience working with diverse stakeholders such as; third-party partners, executive stakeholders, and clients More ❯

We're Hiring a Frontend Developer | Earn up to $5000/month Location : (Remote, United States) What You Will Be Doing Contribute expertise to train and refine AI systems by producing high-quality written data. Adopt a user-centric mindset to create natural content that reflects real-world use cases. Evaluate AI-generated outputs by reviewing More ❯