18 of 18 Senior Front-End Developer Jobs in the UK

-End Developer (Senior) is expected to have a deep understanding of front-end technologies such as React JS, HTML, CSS, and JavaScript. They should also have experience collaborating with designers and back-end … developers and be able to optimize applications for performance and responsiveness. Your Responsibilities Responsible for the front-end build quality of responsive web sites/mobile apps using React native, HTML, CSS and JavaScript under frameworks like React.js aligning with software development standards. Good understanding ...

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 … 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 ...

Senior Front-end Developer (AI-First SaaS Platform) Compensation: Competitive, based on location and experience Location: Turkey — Hybrid (Istanbul office 1 day/week + remote) Keepnet is an AI-driven SaaS platform helping organisations manage human cyber … human risk workflows — supported by strong guardrails, auditability, and observability . We’re looking for a Senior Front-end Developer who wants to build production-grade web experiences that power these systems — in an AI-first engineering team ...

Senior Frontend Developer (Contract) Location: Fully Remote (EU-based candidates considered) Day Rate: £300–£340 per day Contract Type: Outside IR35 Start Date: ASAP uration: 3-6 months Overview We’re supporting a fast-paced digital product company, looking for a Senior Frontend Developer to deliver high-performance, SEO-driven web applications. You’ll work across the full frontend lifecycle, building scalable, user-focused experiences and contributing to architectural decisions in a modern, performance-led stack. Responsibilities Build scalable frontend applications using React (Next.js ...

Were looking for a Senior Front-End Developer to take a leading role in building and evolving our e-commerce platform. Youll work within a small, fast-paced team delivering high-quality user experiences across web and mobile … strategy of the engineering team. Write clean, efficient and well-documented code following modern best practices and design patterns. Build and maintain developer tooling, deployment pipelines and infrastructure to support smooth delivery. Contribute to improving team processes and mentor junior developers through code reviews and knowledge ...

Were looking for a Senior Front-End Developer to take a leading role in building and evolving our e-commerce platform. Youll work within a small, fast-paced team delivering high-quality user experiences across web and mobile ...

Senior Front End Developer Remote-first (Have to be UK-based) | 1 day a month in London £70,000–£80,000 We're hiring on behalf of a fast-growing startup with a fresh brand identity, an ambitious … exciting inflection point and a great time to join. They're looking for a Senior Front End Developer with Solid.JS experience to take real technical ownership of one of their flagship public-facing platforms. ...

Senior Frontend Engineer 📍 Shirebrook (Hybrid – 3 days onsite) 💼 Full-time We’re partnering with a leading UK retail and digital platform business undergoing significant transformation, building out a modern, scalable engineering ecosystem across multiple brands and platforms. They’re looking for a Senior … join a product-aligned, agile engineering team, playing a key role in shaping customer-facing experiences at scale. This is a senior individual contributor position with real ownership, influence, and the opportunity to impact technical direction across a large, complex digital estate. The Role ...

Clean-slate design for complex scientific and engineering software This scientific and engineering software provider is seeking senior front-end developers to help guide their transition from a desktop-based ecosystem towards a modern web-native experience. This will include strategic … this company provides their software to thousands of users world-wide and support critical industries. Requirements: Strong commercial experience building scalable front-end systems for complex software products, ideally in the scientific or engineering domains. Excellent JavaScript/TypeScript skills and good knowledge ...

immersive digital experiences for luxury brands, leading hotels, Michelin-starred restaurants, and high-end construction companies. Working closely with our Senior Developer and design team, you’ll collaborate on developing bold concepts into pixel-perfect, high-performance experiences. … device. ✔︎ Identifying and resolving technical issues. ✔ Contribute to thought leadership including contributing to blogs, case studies, and award submissions. The Kind of Developer We’re Looking For ❌ You don’t need to be a senior. ✅ You do need to be curious, switched on, and proud ...

Frontend Developer (x2 – Senior & Mid-Level) Location: Edinburgh (Hybrid – 2–3 days per week in office) Salary: Up to £75,000 + bonus (DOE) About the Role We’re looking for two talented Frontend Developers — one Senior … elegant user experiences. Contribute to technical discussions around architecture, scalability, and maintainability. Implement best practices for testing, code quality, and performance optimisation. (Senior) Mentor junior engineers and influence wider engineering decisions. (Optional) Work with AI-driven components and Python-based APIs to enhance application intelligence. Tech ...

applicable. Desired experience: - Proven experience in a senior engineering role with ownership of complex systems. - Strong expertise in front-end technologies (JavaScript/TypeScript frameworks) or another core area such as React - Ability to work beyond a single specialization (T-shaped skillset … preferred but not strictly mandatory. - Experience integrating front-end applications with APIs and backend services. - Solid understanding of distributed systems and cloud environments (AWS preferred). - Familiarity with CI/CD pipelines, automated testing, and modern delivery practices. - Experience with performance optimisation, debugging, and observability tools. ...

Senior UI/UX Designer & Frontend Developer (Mobile • Figma • React) – Global Legal Tech A rare opportunity to join one of the world’s most respected legal brands—part of the industry’s magic circle —as they build a next‐generation, AI‐driven … mature, well‐funded product environment with deep investment in automation, cloud‐native engineering (Azure), and modern product delivery. We’re hiring a Senior UI/UX Designer & Frontend Developer who thrives where product design meets engineering. This is a genuine ...

Opportunity We are partnering with an innovative and fast-growing technology business to recruit a Senior Frontend Developer with deep expertise in React and React Native . This is a key hire within the engineering team, suited to someone who can take ...

Opportunity We are partnering with an innovative and fast-growing technology business to recruit a Senior Frontend Developer with deep expertise in React and React Native. This is a key hire within the engineering team, suited to someone who can take ownership ...

TheOpportunity Wearepartneringwithaninnovativeandfast-growingtechnologybusinesstorecruita SeniorFrontendDeveloper withdeepexpertisein ReactandReactNative . Thisisakeyhirewithintheengineeringteam,suitedtosomeonewhocan takeownershipofcorefrontendareas ,workindependently,andconfidentlydelivercomplexfeaturesfromdevelopmentthroughtorelease. KeyResponsibilities Developandmaintain webapplications(React/Next.js) and mobileapps(ReactNative/Expo) Takeownershipoffeaturesfromconceptthroughto productionrelease(includingAppStoredeployment) Designandimplement robustfrontendarchitectureandintegrationlayers Manageauthenticationflowsusing MSAL Collaboratecloselywithbackendteamsworkingon Node.jsmicroservices Supportdeploymentandconfigurationacrossenvironmentsusing Azure KeyRequirements 5+yearscommercialexperiencewithReact Strongcommercialexperiencewith ReactNative Provenexperiencedelivering mobileappstotheAppStore Experiencewith Next.js (essential) Experiencewith Expo (highlydesirable) Strongknowledgeof MSALandauthenticationflows Experienceworkingwith Azure ...

Frontend Engineers Wanted —£177,000 (Senior x2 | Staff x1 | Remote-first | 1 day/week Central London) A high-growth, Series-funded tech company is quietly building some of the most complex, high-stakes infrastructure in the cybersecurity space. Millions of transactions flow through their platform … making ✅ Fast-moving, ownership culture, you ship, you own it, you improve it ✅ Comp that reflects the level, up to £136,000 (Senior) | up to £177,000 (Staff) The stack: React, TypeScript, design systems, component libraries, data-heavy UIs. If you've worked with graph-based ...

Frontend Engineer (Fullstack) — UI-first, but you don't stop there! Are you a frontend engineer who thinks in components and in systems? Do you obsess over the user experience, but feel just as at ...