1 to 25 of 55 Senior Front-End Developer Jobs

Senior Front-End Developer About Ensemble Ensemble is digitalising workforce management in ports and multimodal industries. Our platform, Athena, helps operations teams schedule smarter, blending automation, forecasting, and real-world constraints into usable tools. About the Role We are looking for a Senior Front … the technical development of our mobile application stack , guiding our adoption and implementation of React Native and ensuring alignment with the wider platform architecture. Deliver high-quality front-end features end-to-end , translating operational requirements into performant, secure, and maintainable user-facing functionality. Define and uphold front-end … and support the growth of the FE discipline , providing technical guidance through code reviews, architectural input, and collaborative problem solving. Qualifications 5+ years of professional experience in front-end development. Required Skills Strong proficiency in JavaScript and TypeScript. Production experience with React, React Native, and Next.js. Solid understanding of HTML5, CSS3, and modern styling (MUI, Tailwind More ❯

Senior Frontend Developer | Securing GenAI | Up to £130,000 p/a + Equity Senior Frontend Developer - Typescript & React Helping organisations securely and safely adopt Artificiual Intelligence tools Up to £130,000 per annum + Equity We're partnered with a company bringing much … risk. Having secured an impressive Series A round and built by the founders of a former unicorn in this space, they are looking to add an experienced Senior Frontend Developer to work on a number of exciting greenfield and upgrade projects to the platform. Strong proficiency in Typescript & React is required, and … cybersecurity interest or experience is a bonus, but not a must have. Interested in finding out more? Apply within or reach out to James for more information. Senior Frontend Developer | Securing GenAI | Up to £130,000 p/a + Equity More ❯

Senior Frontend Developer | Securing GenAI | Up to £130,000 p/a + Equity Senior Frontend Developer - Typescript & React Helping organisations securely and safely adopt Artificiual Intelligence tools Up to £130,000 per annum + Equity We're partnered with a company bringing much … risk. Having secured an impressive Series A round and built by the founders of a former unicorn in this space, they are looking to add an experienced Senior Frontend Developer to work on a number of exciting greenfield and upgrade projects to the platform. Strong proficiency in Typescript & React is required, and … cybersecurity interest or experience is a bonus, but not a must have. Interested in finding out more? Apply within or reach out to James for more information. Senior Frontend Developer | Securing GenAI | Up to £130,000 p/a + Equity More ❯

Senior Front-End/UX Developer – National Security – eDV Cleared Role: Senior Front-End/UX Developer Location: Gloucester Clearance: Enhanced DV Salary: £70,000 - £90,000 About the Role We’re looking for an experienced … Front-End Engineer with strong UX capability to join a secure delivery team building user-centric digital services for high-priority government programmes. You’ll shape and deliver intuitive, accessible, and performant interfaces that support mission-critical operations in sensitive environments. Working closely with researchers, product teams, and technical specialists, you'll take responsibility for designing … prototyping, and implementing front-end solutions that balance usability, accessibility, security, and performance constraints. You’ll be involved across the full lifecycle — from early discovery and iterative design through to engineering, testing, and optimisation within secure cloud and on-premise environments. What You’ll Do Plan and conduct user-centred design activities including sketching, wireframes, prototypes More ❯

Job Title: Senior Developer (Ruby on Rails with Front-End Expertise) Location: Cupertino, CA, USA Job Summary: Looking for experienced and passionate Ruby on Rails (RoR) Developer with strong front-end development skills to build and enhance robust, scalable web … portal/application. The ideal candidate should possess strong front-end development skills (in addition to their back-end expertise) needed for developing web portal/application using Ruby on Rails, includes front-end technologies such as JavaScript, HTML5, CSS3, and React or similar frameworks. Experience Requirements: 6+ Years of … IT Experience Around 5+ hands-on experience as Ruby on Rails Developer (with front-end development skills like JavaScript, HTML5, CSS3, and React or similar framework). Qualifications: BS or equivalent degree in Computer Science Engineering or related discipline. Skills Requirements: Proven experience as a Ruby on Rails development (include Design, Develop 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 ❯

Senior Front-End/UX Developer - National Security - eDV Cleared Role: Senior Front-End/UX Developer Location: Gloucester Security Clearance: Enhanced DV Clearance Salary: £70,000 - £90,000 About the Role We're looking for … an experienced Front-End Engineer with strong UX capability to join a secure delivery team building user-centric digital services for high-priority government programmes. You'll shape and deliver intuitive, accessible, and performant interfaces that support mission-critical operations in sensitive environments. Working closely with researchers, product teams, and technical specialists, you'll take responsibility … for designing, prototyping, and implementing front-end solutions that balance usability, accessibility, security, and performance constraints. You'll be involved across the full lifecycle - from early discovery and iterative design through to engineering, testing, and optimisation within secure cloud and on-premise environments. What You'll Do Plan and conduct user-centred design activities including sketching More ❯

Senior Developer with … SPA Web, Vue.js, Nuxt.js and TypeScript experience required by a global organisation in the entertainment sector. In this role you’ll influence technical direction, contribute to evolving front-end frameworks, and take a lead role in a team that’s growing and innovating. The organisation delivers technology solutions across travel, entertainment and events, operating at global More ❯

Senior Frontend Developer | Fareham Up to £75k Plus Package | Fast-Growth Tech Scale-Up | High Ownership Role I’m supporting a rapidly scaling technology business that’s building innovative, globally distributed digital products- and they’re now looking for a Senior Frontend Developer to More ❯

Senior Front-End Engineer – Investment Banking |£750 p/d (Outside IR35) | London/Hybrid (1 Day/Week in Office) We are partnering with a global investment bank to hire a Senior Front-End Engineer to join a flagship team delivering a next … on a SPA used across the investment bank for derivatives trading. Build elegant, high-performance UIs with real-time data updates and functional programming paradigms. Shape a front-end architecture trusted by traders, with a focus on resilience, performance, and usability . Leverage the latest web technologies in a fast-paced, agile development environment. Flexible working More ❯

Senior Frontend Developer (Angular) Salary: Up to £70k Location: London (3 days a week) Senior Frontend Developer (Angular) - Would you like the opportunity to work for a market-leading organisation, using cutting-edge technology and data science to deliver smarter, faster solutions? This is … Angular and TypeScript Reactive Programming with State management (using RxJS and NgRx). Understanding of Software Design Patterns and Test-Driven Development. If you're an experienced Senior Frontend Developer (Angular) interested in joining an ambitious company with huge personal growth potential, please apply More ❯

Senior Frontend Developer (Angular) Salary: Up to £70k Location: London (3 days a week) Senior Frontend Developer (Angular) - Would you like the opportunity to work for a market-leading organisation, using cutting-edge technology and data science to deliver smarter, faster solutions? This is … Angular and TypeScript Reactive Programming with State management (using RxJS and NgRx). Understanding of Software Design Patterns and Test-Driven Development. If you're an experienced Senior Frontend Developer (Angular) interested in joining an ambitious company with huge personal growth potential, please apply More ❯

Senior Frontend Developer Aberdeen (Hybrid 3 days per week onsite) This is an exciting opportunity to work for a global leader in the innovation and development of cutting-edge software solutions used across the oil and gas industry. As well as a salary of up to £65,000 benefits include: Hybrid working … Private healthcare and life assurance Generous pension scheme Onsite gym Were looking for a technically minded Senior Frontend Developer with strong experience in React and exposure to Next.js and TypeScript. Youll be working on the more complex application layer, developing web apps and APIs that sit behind the scenes, this isnt just More ❯

Senior Frontend Developer Edinburgh (Hybrid 3 days per week onsite) This is an exciting opportunity to work for a global leader in the innovation and development of cutting-edge software solutions used across the oil and gas industry. As well as a salary of up to £65,000 benefits include: Hybrid working … Private healthcare and life assurance Generous pension scheme Onsite gym Were looking for a technically minded Senior Frontend Developer with strong experience in React and exposure to Next.js and TypeScript. Youll be working on the more complex application layer, developing web apps and APIs that sit behind the scenes, this isnt just More ❯

Senior Frontend Developer (React, FinTech) - Permanent - London (2 days a week) - £80 - 100k per annum Our client is a technology company within the financial services sector seeking a Senior Frontend Developer to join their developer team. This is a … senior individual contributor role focused on building interfaces that make complexity feel simple for financial professionals. You will spend 80% of your time hands-on building the UI for our core platform. The remaining 20% will focus on technical design, raising standards, and shaping our frontend architecture. What You'll Own: Frontend systems development: UI components More ❯

Senior Frontend Developer (React, FinTech) - Permanent - London (2 days a week) - £80 - 100k per annum Our client is a technology company within the financial services sector seeking a Senior Frontend Developer to join their developer team. This is a … senior individual contributor role focused on building interfaces that make complexity feel simple for financial professionals. You will spend 80% of your time hands-on building the UI for our core platform. The remaining 20% will focus on technical design, raising standards, and shaping our frontend architecture. What You'll Own: Frontend systems development: UI components More ❯

Are you an experienced Frontend Developer looking for a new challenge and to work for an AI startup with an important mission? 🚀 Senior Frontend Developer – AI Data Security 🚀 Location : Hybrid working 1-3 days a week in central London (King’s Cross) Salary : up to £135,000 + … an incredibly exciting time to join the team as they are growing across multiple areas of the business, having just secured over £17mil in funding. As a Senior Frontend Developer, you will: Have 6+ years experience as a Frontend Software Engineer Experience developing with: React, Typescript, HTML, CSS A desire to be … cover Critical illness cover If you enjoy a flexible culture with the ability to work from home a few days a week, apply now for this unmissable Senior Frontend Developer opportunity now! Please note : Due to compliancy reasons, we will only be able to consider applications based in and eligible to work More ❯

Are you an experienced Frontend Developer looking for a new challenge and to work for an AI startup with an important mission? 🚀 Senior Frontend Developer – AI Data Security 🚀 Location : Hybrid working 1-3 days a week in central London (King’s Cross) Salary : up to £135,000 + … an incredibly exciting time to join the team as they are growing across multiple areas of the business, having just secured over £17mil in funding. As a Senior Frontend Developer, you will: Have 6+ years experience as a Frontend Software Engineer Experience developing with: React, Typescript, HTML, CSS A desire to be … cover Critical illness cover If you enjoy a flexible culture with the ability to work from home a few days a week, apply now for this unmissable Senior Frontend Developer opportunity now! Please note : Due to compliancy reasons, we will only be able to consider applications based in and eligible to work More ❯

Senior Front End Developer - React.js Developer West Hove, East Sussex offices - 4 days in office, 1 day per week remote after probation Salary up to £75k plus benefits depending on your experience My client are a UK SaaS company building an enterprise scale … single day for each customer. There are opportunities to work on Full stack projects 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 with well written, scalable code. Skills and experience: At least 5 year's commercial experience More ❯

Senior Front End Developer - React.js Developer West Hove, East Sussex offices - 4 days in office, 1 day per week remote after probation Salary up to £75k plus benefits depending on your experience My client are a UK SaaS company building an enterprise scale … single day for each customer. There are opportunities to work on Full stack projects 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 with well written, scalable code. Skills and experience: At least 5 year's commercial experience More ❯

Senior Frontend Developer (React.js) | Brand New Trading Payments Desk | £130,000 + Bonus + Benefits | London Hybrid I am looking for a Senior Frontend Engineer with React focus for a Trading House that build cross asset trading systems. The FinTech are building from the ground up and currently … expanding their team to work on a completely greenfield build, payments platform. As a Senior Frontend, your role will be to come in and build out a new Payments platform working very closely with another engineer to redesign parts of the system and lead from the front in terms of the build. Responsible for … developing new features for the public website and client portal. 💰This Senior Frontend developer role is paying up to £130,000 + bonus + benefits 📍Located in London City, St Paul's, with 3 days per week from the office 🧑React.Js, React Hooks, TypeScript Responsibilities of the Senior More ❯

Senior Frontend Developer with … SPA Web, Vue.js, Nuxt.js and TypeScript experience required by a global organisation mostly serving the entertainment sector. In this role youll influence technical direction, contribute to evolving front-end frameworks, and take a lead role in a team thats growing and innovating. The organisation delivers technology solutions across multiple sectors operating at global scale. Youll work More ❯

Senior Front End Developer Location: Remote Salary: Paying up to 90,000, depending on experience. Sector: Technology/Data Infrastructure Client: Leading Global Data Centre Provider A prestigious data centre provider is seeking a highly skilled Senior Front End Developer to lead the development of large-scale, enterprise-grade applications. This is a prime opportunity to work on high-impact digital platforms using modern technologies in a dynamic and forward-thinking environment. Key Responsibilities Design and build robust, high-performing front end applications using React and TypeScript. Apply expert More ❯

Senior Front End Developer Location: Remote Salary: Paying up to 90,000, depending on experience. Sector: Technology/Data Infrastructure Client: Leading Global Data Centre Provider A prestigious data centre provider is seeking a highly skilled Senior Front End Developer to lead the development of large-scale, enterprise-grade applications. This is a prime opportunity to work on high-impact digital platforms using modern technologies in a dynamic and forward-thinking environment. Key Responsibilities Design and build robust, high-performing front end applications using React and TypeScript. Apply expert 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 ❯