1 to 25 of 50 Senior Front-End Developer Jobs in the UK

Senior Front-End Developer – React Seaton Delaval – Hybrid – 2 days from office. £55K - £62K DOE Are you a Senior Frontend developer looking to make a meaningful impact in a tech-forward organisation that values innovation, collaboration, and community? This is … Salary sacrifice schemes for childcare, electronics, and savings Opportunities to work on innovative projects that impact real lives The Role: As a Senior Front-End Developer, you’ll lead the design and development of secure, scalable web applications using modern Typescript/JavaScript frameworks. You’ll work in … an agile, cross-functional team, contributing to strategic digital initiatives and mentoring junior developers. Key Responsibilities: Develop and maintain high-quality front-end solutions using React. Collaborate with designers, back-end developers, and stakeholders to deliver user-centric products Integrate APIs and manage CI/CD pipelines Write robust unit tests using tools like More ❯

Senior PowerApps Front-End Developer - 6-Month Contract (Hybrid, Bristol) Location: Hybrid - Bristol, UK Duration: 6 Months (Possible Extension) Clearance: Active SC Clearance required due to timescale of the project As a Senior PowerApps Front-End Developer … to deliver intuitive, accessible, and high-performing services that meet user needs and align with government and enterprise standards. This role is focused on defining and maintaining front-end development standards within the Power Platform ecosystem, ensuring modern web development practices are applied to scalable, secure, and user-friendly solutions. Key Responsibilities Lead the development of … for Power Platform deployments. Troubleshoot and optimize apps for performance, delegation limits, and data connectivity. Essential Skills & Technologies Power Platform : PowerApps (Canvas & Model-Driven), Power Automate, Dataverse Front-End Development : HTML5, CSS3, JavaScript/TypeScript Frameworks & UI Libraries : Fluent UI, Office UI Fabric, Bootstrap, LESS/SASS Custom Development : PowerApps Component Framework (PCF), custom connectors Integration 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 … 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 … 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 … 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 … 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 … 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 ❯

UK*C/UKIC/eDV Cleared Senior/Lead Front-end JavaScript Developer - Consultancy (multiple locations available in the UK) - competitive salary and quarterly bonus ** Please note - due to the nature of work, all candidates must have enhanced DV clearance (UKIC/UK*C preferred) that is … active and transferable We are looking for a Senior/Lead Front-end JavaScript Developer to join our consulting client. We have multiple locations available In this role, you will lead the development of an impactful web application for a public sector programme, ensuring high performance, scalability, and … someone who could: Provide technical leadership and mentorship to a team of developers, guiding them through best practices and ensuring high-quality code. Design, develop, and maintain front-end components of web applications using HTML, CSS & JavaScript Collaborate with architects and other developers to design robust, scalable, and secure architectures for new projects and enhancements to More ❯

join our growing technology team and help build, support, and evolve our market-leading platform. Working with product owners and architects, you'll be instrumental in defining front-end solutions that are maintainable, scalable, and user-focused. Develop and maintain high-quality front-end applications using VueJS, HTML5, CSS/SASS, JavaScript … as MVC and SPA, composable UI, and UX best practices. Collaborate closely with back-end developers, product owners, and architects to implement APIs and integrate front-end functionality. Coach and mentor colleagues, sharing your knowledge and leading by example. Contribute to testing strategies, including unit, integration, and end-to-end … serving millions of users, supporting 20+ airports and 35+ airline marketplace distributions over the next five year About you You are a senior front-end developer who thrives in a collaborative, innovative environment. You are: Curious and eager to learn new technologies, experimenting with new approaches to improve More ❯

Senior Front-End Developer - 12 months - Contract Rate: £675 per day IR35 : Inside Location : 3 days a week in Newcastle or Leeds Duration : 12 months The role: A leading Central Government institution are seeking a suitable candidate for Senior Front End … UIs using well defined GDS standards.12-month contract, based in either Leeds or Newcastle - Paying up to £675 per day Inside IR35. Experience : Significant demonstrable expertise in Front-end development of large-scale systems dealing with high numbers of users, transactions and business processes. Detailed working knowledge and extensive experience of open-source technologies including HTML … CSS, client and server-side JavaScript, TypeScript, Node.js and other modern front-end frameworks and templating languages. Experience in building accessible compliant user interfaces (WCAG). Proven ability in delivering thorough unit level test coverage using common testing frameworks such as Jest or Mocha. Experience integrating with a wide range of technical systems including More ❯

Vue, Nuxt) A leading retailer are building a brand new Front End Team and are looking for accomplished Senior Front-End Developers (Vue, Nuxt) to help shape the future of their website offering. This is a high-impact role where engineering excellence meets design precision-your work will … full stack engineers, and platform partners to deliver polished, accessible, and scalable interfaces that set the standard for luxury ecommerce. Responsibilities * Implement scalable, secure, performant and accessible front-end solutions using HTML, CSS and modern frameworks (e.g. Vue 3, Nuxt 3, TypeScript). * Translate UX designs and prototypes into production-ready code with pixel-perfect precision. … Integrate front-end components with APIs and backend services, ensuring seamless data flow and performance. * Champion front-end best practices, including testing, CI/CD, performance optimisation, and accessibility compliance. * Conduct code reviews, pair programming, and technical mentoring for junior developers. * Work closely with Product Owners, Platform Leads, UX/UI Designers More ❯

Senior Frontend Developer | 6 Month Contract (OIR35) | Remote, UK based I'm working with a growing technology-led business that's scaling its engineering team and looking for an experienced Senior Frontend Developer to help deliver a next-generation data and intelligence platform. You More ❯

Senior Front End Developer Up to £75k per annum plus excellent benefits Stratospherec are delighted to be recruiting for a Senior Front End Developer with a strong understanding of to work for a well established UK … who provide an enterprise-scale Data Analytics platform for a global customer base We are looking to recruit a Senior Front End Developer with good skills in TypeScript, would be useful as well) and who will be working on existing client systems and multiple new Greenfield projects … each customer. There are opportunities to work on Full stack projects in this team as well if you want. This role is open to mid-level and senior level developers and the successful candidate will be passionate about Software Engineering, especially in well written, scalable code. Skills and experience: At least 5 year's commercial experience More ❯

Senior Front End Developer - Central Manchester - £65,000 The Company: Lorien are working with a leading tech business based in Manchester that's building out an engineering team to support a major platform initiative. With a greenfield web application in development, they're looking for a Senior Front End Developer to help shape the architecture and lead delivery from the ground up. The Role: This is a hands-on role with leadership responsibilities. You'll be involved in defining the technical direction, development standards, and build processes for a brand-new React-based web app. More ❯

UK C/UKIC/eDV Cleared Senior/Lead Front-end JavaScript Developer - Consultancy (multiple locations available in the UK) - competitive salary and quarterly bonus Please note - due to the nature of work, all candidates must have enhanced DV clearance (UKIC/UK C preferred) that is … active and transferable We are looking for a Senior/Lead Front-end JavaScript Developer to join our consulti click apply for full job details More ❯

Provide are seeking a Mid-Senior Front-End Developer to join our clients' dynamic engineering team, building user-centric web applications that scale to thousands of customers. You will work primarily with React , TypeScript, and modern front-end technologies to deliver responsive, performant, and … backend engineers, and product managers, you’ll turn complex requirements into intuitive, polished user experiences. As a senior contributor, you will influence the front-end architecture, enforce best practices, and ensure high code quality across the team. The ideal candidate has professional experience with React, TypeScript, and modern JavaScript frameworks , along with … a strong understanding of component-based architecture, state management (e.g., Redux, Zustand, or Recoil), and front-end performance optimization. Experience with RESTful APIs, GraphQL, and testing frameworks (Jest, React Testing Library, Cypress) is highly desirable. You should be comfortable mentoring junior engineers, conducting code reviews, and helping the team adopt scalable, maintainable practices. This role offers More ❯

Provide are seeking a Mid-Senior Front-End Developer to join our clients' dynamic engineering team, building user-centric web applications that scale to thousands of customers. You will work primarily with React , TypeScript, and modern front-end technologies to deliver responsive, performant, and … backend engineers, and product managers, you’ll turn complex requirements into intuitive, polished user experiences. As a senior contributor, you will influence the front-end architecture, enforce best practices, and ensure high code quality across the team. The ideal candidate has professional experience with React, TypeScript, and modern JavaScript frameworks , along with … a strong understanding of component-based architecture, state management (e.g., Redux, Zustand, or Recoil), and front-end performance optimization. Experience with RESTful APIs, GraphQL, and testing frameworks (Jest, React Testing Library, Cypress) is highly desirable. You should be comfortable mentoring junior engineers, conducting code reviews, and helping the team adopt scalable, maintainable practices. This role offers More ❯

Provide are seeking a Mid-Senior Front-End Developer to join our clients' dynamic engineering team, building user-centric web applications that scale to thousands of customers. You will work primarily with React , TypeScript, and modern front-end technologies to deliver responsive, performant, and … backend engineers, and product managers, you’ll turn complex requirements into intuitive, polished user experiences. As a senior contributor, you will influence the front-end architecture, enforce best practices, and ensure high code quality across the team. The ideal candidate has professional experience with React, TypeScript, and modern JavaScript frameworks , along with … a strong understanding of component-based architecture, state management (e.g., Redux, Zustand, or Recoil), and front-end performance optimization. Experience with RESTful APIs, GraphQL, and testing frameworks (Jest, React Testing Library, Cypress) is highly desirable. You should be comfortable mentoring junior engineers, conducting code reviews, and helping the team adopt scalable, maintainable practices. This role offers More ❯

Senior Frontend Developer (React) - Series A GenAI Security Scale-up Salary: £120,000 - £135,000 (DOE) + equity + benefits Hybrid: 2 days/week in Central London office (Kings Cross/Covent Garden area) A Series A, high-growth cybersecurity scale-up (~40 employees) is looking for a Senior React Engineer to join their mission of helping companies adopt Generative AI safely and securely. They are building a developer-first platform that enables data protection without complexity - redefining security for the GenAI era. This is a rare chance to join at a pivotal time as they scale their infrastructure across regions … AWS deployment. You'll be joining a small but highly capable engineering team where your impact will be significant from day one. They are looking for a Senior React Engineer with the following: Senior hands-on React experience in a product-focused SME Strong design skills and background with TypeScript, HTML and More ❯

Senior Frontend Engineer - Up to 70k - Remote First* - Automotive SaaS ECOM have teamed up with a tech company that build products for the automotive industry in a truly unique way, and they are looking for a Senior Frontend Engineer to craft stunning user experiences and bring a higher level of engineering practises … Their product simplifies vehicle purchasing and revolutionises automotive financing. They're now expanding their market leading UK products globally, setting new industry standards. The Role: As a Senior Frontend Engineer, youll collaborate closely with other frontend developers and be a mentor to more junior developers that are eager to learn. Together, you and the team will More ❯

Senior Frontend Engineer – Up to 70k – Remote First* – Automotive SaaS ECOM have teamed up with a tech company that build products for the automotive industry in a truly unique way, and they are looking for a Senior Frontend Engineer to craft stunning user experiences and bring a higher level of engineering practises … Their product simplifies vehicle purchasing and revolutionises automotive financing. They’re now expanding their market leading UK products globally, setting new industry standards. The Role: As a Senior Frontend Engineer, you'll collaborate closely with other frontend developers and be a mentor to more junior developers that are eager to learn. Together, you and the team More ❯

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 and one Mid-Level — to join a growing product engineering team … backend engineers to deliver seamless, 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 Stack Core: React, TypeScript, HTML5 … a strong plus. About You Commercial experience building modern React applications in a product-focused environment. Strong understanding of component-driven design, state management, and testing frameworks. (Senior) Experience with system architecture, mentoring, and driving technical direction. Interest or hands-on experience integrating AI/ML features into frontend applications. Passion for creating clean, maintainable, and More ❯

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 and one Mid-Level — to join a growing product engineering team … backend engineers to deliver seamless, 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 Stack Core: React, TypeScript, HTML5 … a strong plus. About You Commercial experience building modern React applications in a product-focused environment. Strong understanding of component-driven design, state management, and testing frameworks. (Senior) Experience with system architecture, mentoring, and driving technical direction. Interest or hands-on experience integrating AI/ML features into frontend applications. Passion for creating clean, maintainable, and More ❯

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 and one Mid-Level — to join a growing product engineering team … backend engineers to deliver seamless, 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 Stack Core: React, TypeScript, HTML5 … a strong plus. About You Commercial experience building modern React applications in a product-focused environment. Strong understanding of component-driven design, state management, and testing frameworks. (Senior) Experience with system architecture, mentoring, and driving technical direction. Interest or hands-on experience integrating AI/ML features into frontend applications. Passion for creating clean, maintainable, and More ❯

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 and one Mid-Level — to join a growing product engineering team … backend engineers to deliver seamless, 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 Stack Core: React, TypeScript, HTML5 … a strong plus. About You Commercial experience building modern React applications in a product-focused environment. Strong understanding of component-driven design, state management, and testing frameworks. (Senior) Experience with system architecture, mentoring, and driving technical direction. Interest or hands-on experience integrating AI/ML features into frontend applications. Passion for creating clean, maintainable, and More ❯