1 to 25 of 28 Senior Front-End Engineer (Client-Side Engineer) Jobs in the UK excluding London

Role: Senior Frontend Engineer (Angular) Location: Banbury Hybrid (2-3 days a week in office) TypeScript, Angular Were hiring on behalf of a fast-scaling SaaS company in the public safety space and while theyre focused on backend transformation, the real need is YOU: a Senior Frontend Engineer … rebuild the entire frontend of a critical platform. The current UI is legacy-heavy and built with a custom frontend pattern that frankly, doesnt 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 Own all frontend and UX decisions Collaborate with backend engineers (you'll lead frontend solo) Senior Frontend Engineer Requirements: Senior Angular + TypeScript experience 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 with strong Angular/TypeScript skills ready to own and rebuild the entire frontend 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 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 with strong Angular/TypeScript skills ready to own and rebuild the entire frontend 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 More ❯

Senior Software Engineer lI (Front-end focused) page is loaded Senior Software Engineer lI (Front-end focused)remote type: Remotelocations: Remote - Spain: Edinburghtime type: Full timeposted on: Posted … being part of a passionate group focused on transforming how companies understand and connect with their customers.Let's build experiences people love-together.# About this opportunity: As a Senior Software Engineer, you'll play a critical role in designing and building scalable, reliable systems. You'll collaborate closely with a diverse team More ❯

Senior Frontend Engineer | React & TypeScript | Salary £70-80k | Hybrid (Surrey once a fortnight) Would you like to build products that directly impact the daily lives of people across the entire UK I’m working with a long-established Tech4Good organisation (20 years strong) who provide essential digital services to councils nationwide. … They’re expanding their product range and are now looking for a Senior Frontend Engineer to take ownership of frontend development across two new products. You’ll be the React SME within the business - leading on frontend development best practices, mentoring other engineers, and helping to shape the company’s frontend strategy … guide the design system and lead the development of a new component library that will underpin the next generation of their products.This is a fantastic opportunity for a Senior Engineer who wants to take ownership, influence technical direction, and see the results of their work benefit millions across the UK. What you More ❯

About the Job Senior Frontend Engineer – London (Victoria) | Hybrid £80k - £110k Are you ready to craft the next generation of data-driven digital experiences for one of Europe’s most technically advanced SaaS innovators? Our client, a pioneer in B2B SaaS solutions , is building “Your Shipping Analytics Supercomputer” , providing cutting … that blends creativity, collaboration, and engineering excellence, ideal for someone who thrives in fast-paced, high-growth environments. What You’ll Bring 5+ years of front-end development experience building large-scale web applications. Expertise in React, TypeScript/JavaScript, HTML, and CSS . A strong appreciation for UI/UX design … AI start-up exit , they’re focusing all their attention on this next big venture. This is an outstanding opportunity to design and deliver the front-end of a platform that’s redefining how businesses interact with data. If you’re a passionate engineer who loves More ❯

About the Job Senior Frontend Engineer – London (Victoria) | Hybrid £80k - £110k Are you ready to craft the next generation of data-driven digital experiences for one of Europe’s most technically advanced SaaS innovators? Our client, a pioneer in B2B SaaS solutions , is building “Your Shipping Analytics Supercomputer” , providing cutting … that blends creativity, collaboration, and engineering excellence, ideal for someone who thrives in fast-paced, high-growth environments. What You’ll Bring 5+ years of front-end development experience building large-scale web applications. Expertise in React, TypeScript/JavaScript, HTML, and CSS . A strong appreciation for UI/UX design … AI start-up exit , they’re focusing all their attention on this next big venture. This is an outstanding opportunity to design and deliver the front-end of a platform that’s redefining how businesses interact with data. If you’re a passionate engineer who loves More ❯

About the Job Senior Frontend Engineer – London (Victoria) | Hybrid £80k - £110k Are you ready to craft the next generation of data-driven digital experiences for one of Europe’s most technically advanced SaaS innovators? Our client, a pioneer in B2B SaaS solutions , is building “Your Shipping Analytics Supercomputer” , providing cutting … that blends creativity, collaboration, and engineering excellence, ideal for someone who thrives in fast-paced, high-growth environments. What You’ll Bring 5+ years of front-end development experience building large-scale web applications. Expertise in React, TypeScript/JavaScript, HTML, and CSS . A strong appreciation for UI/UX design … AI start-up exit , they’re focusing all their attention on this next big venture. This is an outstanding opportunity to design and deliver the front-end of a platform that’s redefining how businesses interact with data. If you’re a passionate engineer who loves 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 … unique industry and optimise their supply chains - resulting in operational, financial and environmental benefits.They continue to win new customers and grow, so they’re now looking for two Senior Frontend Engineers to join the team. You’ll work across a modern stack of React, TypeScript & React Native, helping to evolve their product suite and deliver new features that More ❯

Senior Frontend Engineer – Next.js/React Location: Monument WeWork in London Type: Full-Time About Admanage.ai We’re building the Cursor for ad management. Admanage.ai helps companies launch ads 10x faster on Meta & TikTok. Created by top performance marketers who’ve managed over $50M+ in ad spend. Our mission? Level the playing … profitable, fast-moving, and backed by experience, not just ideas. We commit to GitHub multiple times a day and ship continuously. Why This Role Rocks This is a senior-level frontend role where you’ll design and deliver features that directly impact how the top advertisers launch and manage hundreds of thousands of ads per month. You’ll More ❯

Senior Frontend Engineer – Next.js/React Location: Monument WeWork in London Type: Full-Time About Admanage.ai We’re building the Cursor for ad management. Admanage.ai helps companies launch ads 10x faster on Meta & TikTok. Created by top performance marketers who’ve managed over $50M+ in ad spend. Our mission? Level the playing … profitable, fast-moving, and backed by experience, not just ideas. We commit to GitHub multiple times a day and ship continuously. Why This Role Rocks This is a senior-level frontend role where you’ll design and deliver features that directly impact how the top advertisers launch and manage hundreds of thousands of ads per month. You’ll More ❯

Senior Frontend Engineer – Next.js/React Location: Monument WeWork in London Type: Full-Time About Admanage.ai We’re building the Cursor for ad management. Admanage.ai helps companies launch ads 10x faster on Meta & TikTok. Created by top performance marketers who’ve managed over $50M+ in ad spend. Our mission? Level the playing … profitable, fast-moving, and backed by experience, not just ideas. We commit to GitHub multiple times a day and ship continuously. Why This Role Rocks This is a senior-level frontend role where you’ll design and deliver features that directly impact how the top advertisers launch and manage hundreds of thousands of ads per month. You’ll More ❯

Job Role: Senior Software Engineer, Frontend Job Type: Full Time, Permanent Location: London, Hybrid (3 office days a week) Role purpose As a valued member of our engineering team, you will contribute to the development of our new web application, powered by a Headless CMS, using the latest frontend technologies. Working with More ❯

Job Role: Senior Software Engineer, Frontend Job Type: Full Time, Permanent Location: London, Hybrid (3 office days a week) Role purpose As a valued member of our engineering team, you will contribute to the development of our new web application, powered by a Headless CMS, using the latest frontend technologies. Working with More ❯

Job Role: Senior Software Engineer, Frontend Job Type: Full Time, Permanent Location: London, Hybrid (3 office days a week) Role purpose As a valued member of our engineering team, you will contribute to the development of our new web application, powered by a Headless CMS, using the latest frontend technologies. Working with More ❯

Senior Full Stack Developer (JavaScript) Who are we? Enablis is a technology delivery consultancy who partner with clients to accelerate digital roadmaps. By combining our deep knowledge and best practice experience with the client’s domain expertise, we are able to deliver technology solutions quickly, efficiently and as stress free as possible. We keep things simple … of consulting and provides our employees with career experience hard to match anywhere else. As a Full Stack Developer, you should be comfortable around both front-end and back-end coding languages, development frameworks and third-party libraries. We’re also grounded though and recognise that’s for … a Front End/Full Stack Developer or similar role Experience developing modern tech stacks Knowledge of front-end languages and libraries (React or Vue.js) Knowledge of back-end languages (Java, Python, Node, Go, C#) Familiarity with data design, handling More ❯

Senior Full Stack Developer (JavaScript) Who are we? Enablis is a technology delivery consultancy who partner with clients to accelerate digital roadmaps. By combining our deep knowledge and best practice experience with the client’s domain expertise, we are able to deliver technology solutions quickly, efficiently and as stress free as possible. We keep things simple … of consulting and provides our employees with career experience hard to match anywhere else. As a Full Stack Developer, you should be comfortable around both front-end and back-end coding languages, development frameworks and third-party libraries. We’re also grounded though and recognise that’s for … a Front End/Full Stack Developer or similar role Experience developing modern tech stacks Knowledge of front-end languages and libraries (React or Vue.js) Knowledge of back-end languages (Java, Python, Node, Go, C#) Familiarity with data design, handling More ❯

Role:- Senior Frontend Engineer – 3D Visualization (React, WebGL, Python) Duration: 3 Months – Possible extension Location : UK- Remote Key Responsibilities: Develop a high-performance 3D brain visualization tool in the browser using WebGL and ThreeJS . Build and maintain React components to enable user interaction with different types of media (images, video, text More ❯

brands, utilise the latest 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 … for a frontend 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 More ❯

the Machine Learning team to understand the underlying concepts and user flows; however, you are not required or expected to have background in Machine Learning. This is a senior-level role, and we are looking to hire a software engineer with background in product design, UI/UX design, and with a … a startup work environment and wider ecosystem. Why join us? Work in an environment conducting cutting-edge research in AI. An official role title of “Founding Engineer” – make an impact on day one. Competitive salary, equity and benefits package. 28 days + public holidays allowance. Opportunities for professional growth and progression with your career. More ❯

the Machine Learning team to understand the underlying concepts and user flows; however, you are not required or expected to have background in Machine Learning. This is a senior-level role, and we are looking to hire a software engineer with background in product design, UI/UX design, and with a … a startup work environment and wider ecosystem. Why join us? Work in an environment conducting cutting-edge research in AI. An official role title of “Founding Engineer” – make an impact on day one. Competitive salary, equity and benefits package. 28 days + public holidays allowance. Opportunities for professional growth and progression with your career. More ❯

the Machine Learning team to understand the underlying concepts and user flows; however, you are not required or expected to have background in Machine Learning. This is a senior-level role, and we are looking to hire a software engineer with background in product design, UI/UX design, and with a … a startup work environment and wider ecosystem. Why join us? Work in an environment conducting cutting-edge research in AI. An official role title of “Founding Engineer” – make an impact on day one. Competitive salary, equity and benefits package. 28 days + public holidays allowance. Opportunities for professional growth and progression with your career. More ❯

system evolution, and ensure strategic tech integration. Enjoy flexible work, ongoing training, and a supportive, inclusive environment. Key Responsibilities: Design and develop modern, high-performance front-end applications using React and TypeScript, ensuring they meet the demanding needs of real-time trading environments. Plan and deliver solutions that align with business goals … and support intricate trading workflows Build resilient and maintainable user interfaces by implementing comprehensive testing strategies and code reviews Ensure that all front-end components are well-architected, scalable, and integrate seamlessly Collaborate effectively with cross-functional teams-including traders, backend engineers, and product managers Contribute actively to the decommissioning of legacy … guidance, and ensure that delivered solutions address real-world challenges faced by end users. Key Requirements: Demonstrated expertise in developing sophisticated front-end applications using React.js, JavaScript/TypeScript Proven experience building real-time trading or financial applications where high performance and low latency are essential for business More ❯

D3/visx · Storybook · Tailwind CSS · Jest · Cypress · Playwright What You Bring 8+ years building and evolving large-scale web applications. Proven track record in front-end architecture (modular codebases, micro-frontends, design systems, scalability). Strong portfolio of data-heavy, real-time UIs and reusable component libraries. Expertise in TypeScript, CSS … and modern testing frameworks. Passion for developer experience, tooling, and mentoring. Degree in Computer Science or equivalent experience. Bonus points for: Open source contributions to front-end tooling, design systems, or data-visualisation libraries. Experience with WebSockets, PWAs, offline support, or design-token pipelines. How They Work Speed with craftsmanship: Continuous delivery … This is a chance to join a hyper-growth company at the forefront of AI-powered collaboration, tackling some of the most exciting challenges in front-end engineering today. Interested? Reach out to Stax for a confidential discussion. Please be advised that, owing to the expected volume of applications, we may only More ❯

D3/visx · Storybook · Tailwind CSS · Jest · Cypress · Playwright What You Bring 8+ years building and evolving large-scale web applications. Proven track record in front-end architecture (modular codebases, micro-frontends, design systems, scalability). Strong portfolio of data-heavy, real-time UIs and reusable component libraries. Expertise in TypeScript, CSS … and modern testing frameworks. Passion for developer experience, tooling, and mentoring. Degree in Computer Science or equivalent experience. Bonus points for: Open source contributions to front-end tooling, design systems, or data-visualisation libraries. Experience with WebSockets, PWAs, offline support, or design-token pipelines. How They Work Speed with craftsmanship: Continuous delivery … This is a chance to join a hyper-growth company at the forefront of AI-powered collaboration, tackling some of the most exciting challenges in front-end engineering today. Interested? Reach out to Stax for a confidential discussion. Please be advised that, owing to the expected volume of applications, we may only More ❯