101 to 125 of 134 Permanent Front-End Engineer (Client-Side Engineer) Jobs

Senior Frontend Engineer – Join a profitable FinTech Scale-Up 🚀 💰Up to £110,000 🏡Remote working – once a month onsite in London 💻React, TypeScript, API experience We’re partnered with a leading FinTech scale-up who are transforming how small businesses access finance to grow and scale. The business is backed by a strong track record and … Frontend Engineer as the business continues to scale. What will you be doing: Be responsible for taking ownership of projects and running the front-end development for their customers Build the interfaces that allow customers to choose between different products to best find the product that meets their requirements Implement robust A More ❯

team ensures seamless user experiences through expert design and support of distributed, object-oriented systems. About the Role We're looking for a proactive and skilled Software Engineer with strong experience in React, Next.js, and modern Front End tooling to join our Client Technology Engineering team. You'll be responsible More ❯

Role: Senior Frontend Engineer (Angular) 🌍 Location: Banbury – Hybrid (2-3 days a week in office) 💰 Salary: £75,000 🛠 Key Skills: TypeScript, Angular We’re hiring on behalf of a fast-scaling SaaS company in the public safety space and while they’re focused on backend transformation, the real need is YOU: a Senior Frontend Engineer … of a critical platform. The current UI is legacy-heavy and built with a custom frontend pattern that frankly, doesn’t follow standard. As the Senior Frontend Engineer, you will get a clean slate to architect and implement a new Angular-based frontend your way, with full ownership and a strong say in UX/UI. … Senior Frontend Engineer Responsibilities: Rebuild the frontend from scratch in Angular Define structure, standards, and design direction Own all frontend and UX decisions Collaborate with backend engineers (you'll lead frontend solo) Senior Frontend Engineer Requirements: Senior Angular + TypeScript experience Strong UX sensibility Proven ability to lead greenfield/frontend rebuilds More ❯

Role: Senior Frontend Engineer (Angular) 🌍 Location: Banbury – Hybrid (2-3 days a week in office) 💰 Salary: £75,000 🛠 Key Skills: TypeScript, Angular We’re hiring on behalf of a fast-scaling SaaS company in the public safety space and while they’re focused on backend transformation, the real need is YOU: a Senior Frontend Engineer … of a critical platform. The current UI is legacy-heavy and built with a custom frontend pattern that frankly, doesn’t follow standard. As the Senior Frontend Engineer, you will get a clean slate to architect and implement a new Angular-based frontend your way, with full ownership and a strong say in UX/UI. … Senior Frontend Engineer Responsibilities: Rebuild the frontend from scratch in Angular Define structure, standards, and design direction Own all frontend and UX decisions Collaborate with backend engineers (you'll lead frontend solo) Senior Frontend Engineer Requirements: Senior Angular + TypeScript experience Strong UX sensibility Proven ability to lead greenfield/frontend rebuilds More ❯

UCL, Innovate UK, Microsoft, and Google, we're becoming the go-to AI education platform for all major exams worldwide. The Role We're seeking a talented Front-End Developer who will help us craft beautiful, engaging user experiences that rival the best consumer apps, while helping us pioneer the future of AI-powered education interfaces. More ❯

UCL, Innovate UK, Microsoft, and Google, we're becoming the go-to AI education platform for all major exams worldwide. The Role We're seeking a talented Front-End Developer who will help us craft beautiful, engaging user experiences that rival the best consumer apps, while helping us pioneer the future of AI-powered education interfaces. More ❯

UCL, Innovate UK, Microsoft, and Google, we're becoming the go-to AI education platform for all major exams worldwide. The Role We're seeking a talented Front-End Developer who will help us craft beautiful, engaging user experiences that rival the best consumer apps, while helping us pioneer the future of AI-powered education interfaces. More ❯

UCL, Innovate UK, Microsoft, and Google, we're becoming the go-to AI education platform for all major exams worldwide. The Role We're seeking a talented Front-End Developer who will help us craft beautiful, engaging user experiences that rival the best consumer apps, while helping us pioneer the future of AI-powered education interfaces. More ❯

UCL, Innovate UK, Microsoft, and Google, we're becoming the go-to AI education platform for all major exams worldwide. The Role We're seeking a talented Front-End Developer who will help us craft beautiful, engaging user experiences that rival the best consumer apps, while helping us pioneer the future of AI-powered education interfaces. More ❯

real-time accounting. We're founded by two experienced entrepreneurs: David Tuck , an accountant then CFO by training who founded Chaser; and James Scott-Griffin , a software engineer who was CTO at Idio (now Optimizely) and Rungway. We've had a brilliant first four years. We've built an incredible initial team in the UK and … ok if you aren't - we're looking for great people, so your experience is more valuable than the specifics. About You You're an experienced frontend engineer with multiple years of working in startups; You have a strong, pragmatic problem solving mindset; You're comfortable working both collaboratively and on your own as location and More ❯

Taking ownership of smaller projects when required. Lead and contribute to writing specification documentation as applicable. Skills & Experience Expertise with JavaScript and TypeScript. Experience developing Mobile and front-end website applications. Expertise with Ionic 7/Angular 17 and above. Expertise with CSS and CSS pre-processors (SCSS, etc.). Knowledge of Web Standards, including Web More ❯

Taking ownership of smaller projects when required. Lead and contribute to writing specification documentation as applicable. Skills & Experience Expertise with JavaScript and TypeScript. Experience developing Mobile and front-end website applications. Expertise with Ionic 7/Angular 17 and above. Expertise with CSS and CSS pre-processors (SCSS, etc.). Knowledge of Web Standards, including Web More ❯

technologies, innovate and make empowered choices that help shape the future of the THG commerce. About the Role We are seeking a highly skilled Senior Frontend Software Engineer to join our squads exclusively focused on building performant, secure, and accessible headless ecommerce frontends. You’ll work predominantly in a JavaScript environment, leveraging modern technologies to deliver … specialist with strong technical depth, a keen eye for detail, and a passion for driving user-facing innovation within a complex ecommerce landscape. As a Senior Frontend Engineer you will: Help shape & define the technical architecture of the application, including the system's components, data structures, communication protocols, and other technical details Identify potential technical risks More ❯

Senior Frontend Engineer | React, TypeScript & React Native | Salary £65–75k | Hybrid (Bristol – 1 day a week) Would you like to join a start-up who have revolutionised their industry and are showing no signs of slowing down I’m working with a brilliant Bristol-based business who work on some highly complex problems that process huge More ❯

This is a job that Jill is helping to recruit for on behalf of one of our customers. To apply, speak to Jack. Title: Frontend Engineer (£75k-£100k + Equity) at Well-funded activity platform SaaS Salary: £75k-£100k + Equity Company Description: Well-funded activity platform SaaS Job Description: As a Founding Frontend Engineer More ❯

Role: Staff Front End Engineer Location: Hybrid - 2-3 days in London Office Compensation: Up to £170,000 + equity We’re working with a frontier AI-driven biology lab on a mission to redefine how science is done. Their research and engineering teams are building next-generation tools that help scientists … visualise, understand, and design biology at an unprecedented scale. As a Front End Engineer , you’ll craft the visual layer of this transformation, designing interfaces that turn vast, complex biological data into intuitive, beautiful experiences. Your work will sit at the intersection of AI, design, and discovery , directly accelerating breakthroughs in life More ❯

Role: Staff Front End Engineer Location: Hybrid - 2-3 days in London Office Compensation: Up to £170,000 + equity We’re working with a frontier AI-driven biology lab on a mission to redefine how science is done. Their research and engineering teams are building next-generation tools that help scientists … visualise, understand, and design biology at an unprecedented scale. As a Front End Engineer , you’ll craft the visual layer of this transformation, designing interfaces that turn vast, complex biological data into intuitive, beautiful experiences. Your work will sit at the intersection of AI, design, and discovery , directly accelerating breakthroughs in life More ❯

Role: Staff Front End Engineer Location: Hybrid - 2-3 days in London Office Compensation: Up to £170,000 + equity We’re working with a frontier AI-driven biology lab on a mission to redefine how science is done. Their research and engineering teams are building next-generation tools that help scientists … visualise, understand, and design biology at an unprecedented scale. As a Front End Engineer , you’ll craft the visual layer of this transformation, designing interfaces that turn vast, complex biological data into intuitive, beautiful experiences. Your work will sit at the intersection of AI, design, and discovery , directly accelerating breakthroughs in life More ❯

Role: Staff Front End Engineer Location: Hybrid - 2-3 days in London Office Compensation: Up to £170,000 + equity We’re working with a frontier AI-driven biology lab on a mission to redefine how science is done. Their research and engineering teams are building next-generation tools that help scientists … visualise, understand, and design biology at an unprecedented scale. As a Front End Engineer , you’ll craft the visual layer of this transformation, designing interfaces that turn vast, complex biological data into intuitive, beautiful experiences. Your work will sit at the intersection of AI, design, and discovery , directly accelerating breakthroughs in life More ❯

Role: Staff Front End Engineer Location: Hybrid - 2-3 days in London Office Compensation: Up to £170,000 + equity We’re working with a frontier AI-driven biology lab on a mission to redefine how science is done. Their research and engineering teams are building next-generation tools that help scientists … visualise, understand, and design biology at an unprecedented scale. As a Front End Engineer , you’ll craft the visual layer of this transformation, designing interfaces that turn vast, complex biological data into intuitive, beautiful experiences. Your work will sit at the intersection of AI, design, and discovery , directly accelerating breakthroughs in life More ❯

Front End Design Engineer - AI Startup | London | Up to £50,000 Join one of London's most exciting AI startups as they launch a new generation of AI-powered products. This is a rare opportunity to shape design and engineering from the ground up You'll be the bridge between design and … using Figma, React and TypeScript . You'll define visual language, build smooth user experiences and help scale products used by thousands. What you'll do Own front-end design and development across web products Create world-class UI/UX in Figma and implement directly in React/TypeScript Work with product and AI engineers More ❯

Front End Design Engineer - AI Startup | London | Up to £50,000 Join one of London's most exciting AI startups as they launch a new generation of AI-powered products. This is a rare opportunity to shape design and engineering from the ground up You'll be the bridge between design and … using Figma, React and TypeScript . You'll define visual language, build smooth user experiences and help scale products used by thousands. What you'll do Own front-end design and development across web products Create world-class UI/UX in Figma and implement directly in React/TypeScript Work with product and AI engineers More ❯

Front End Design Engineer - AI Startup | London | Up to £50,000 Join one of London's most exciting AI startups as they launch a new generation of AI-powered products. This is a rare opportunity to shape design and engineering from the ground up You'll be the bridge between design and … using Figma, React and TypeScript . You'll define visual language, build smooth user experiences and help scale products used by thousands. What you'll do Own front-end design and development across web products Create world-class UI/UX in Figma and implement directly in React/TypeScript Work with product and AI engineers More ❯

BettingJobs are working with an AI-powered B2B marketing company based in London . They are looking for a Frontend Engineer to join their team. Responsibilities: Manage the company’s frontend portal, where users interact with the system. Collaborate with a designer, product manager, and engineering team to: Continuously improve the user experience. Add new features. More ❯

BettingJobs are working with an AI-powered B2B marketing company based in London . They are looking for a Frontend Engineer to join their team. Responsibilities: Manage the company’s frontend portal, where users interact with the system. Collaborate with a designer, product manager, and engineering team to: Continuously improve the user experience. Add new features. More ❯