1 to 25 of 62 Front-End Developer (Client-Side Developer) Jobs in Berkshire

Front-End Developer (stealth mode start-up) A stealth mode start-up, recently established by a team of highly experienced engineers and entrepreneurs with substantial financial backing and a proven history of successful technology ventures, is seeking a Front-End … JavaScript is ok. Experience of React is 99% essential and Vue.js is a nice to have. This position is perfect for a Front-End Developer eager to pioneer novel technologies. You'll work closely with a dynamic team, facing unique challenges and … tier software engineers, they maintain high standards but also offer competitive compensation. Additionally, the package includes potentially very lucrative stock options. Ideal Front-End Developers should possess robust programming abilities coupled with an outstanding academic history, preferably from top-tier university. The company recognises that their More ❯

Senior React Developer required for an exciting sports technology start up with a fantastic product based around fan interaction during live sporting events. You will be joining a business who are already at the forefront of their industry and have a small but highly skilled team. …/Senior Frontend Developer role we are looking for an experienced Senior Front End Developer to work remotely apart from 1-2 days a month where you would need to come to the London office … to work as a Senior React Developer/Typescript Developer/Front End Developer on a fantastic, cutting-edge product? Want to work with the latest technology and continually evolve? My client More ❯

to login/join with: Work alongside a dedicated mentor on a green field AI data platform as a graduate developer. Junior Front-end Developer £30,000 to £45,000 per annum Location: Reading (Hybrid – 3 days on site) A company specializing … -facing platforms: a content management platform and a data processing AI-enabled system. You will work closely with a senior front-end developer to develop new features and enhance the existing UI of these platforms. Required skills: Good knowledge of More ❯

to login/join with: Work alongside a dedicated mentor on a green field AI data platform as a graduate developer. Junior Front-end Developer £30,000 to £45,000 per annum Location: Reading (Hybrid – 3 days on site) A company specialising … -facing platforms: a content management platform and a data processing AI-enabled system. You will work closely with a senior front-end developer to develop new features and enhance the existing UI of these platforms. Required skills: Good knowledge of More ❯

that work alongside humans to solve real-world problems. As we continue to expand our product offerings, we are seeking a talented Front-End Developer to help shape the future of human-AI collaboration. In this role, you'll build intuitive dashboards … the AI era’s biggest challenges: making complex systems usable through powerful, non-chat user experiences. Key Responsibilities Develop, maintain, and optimize front-end components for modern web applications Implement responsive, mobile-friendly designs that ensure cross-platform compatibility Translate wireframes and prototypes into polished, production … ready applications in collaboration with UX/UI designers Integrate front-end interfaces with REST and GraphQL APIs, as well as back-end systems Ensure high-quality, maintainable code through testing, debugging, and adherence to best practices Stay current with emerging UI/UX More ❯

Social network you want to login/join with: Front-End Developer - Contract - Outside IR35 - £350-400/day (Remote UK) This will be to re-build platforms and support in design implementation and improving the overall quality of these key growth … frameworks (e.g., Jest, React Testing Library) is a plus. If you are interested, please apply with an updated copy of your CV. Front-End Developer - Contract - Outside IR35 - £350-400/day (Remote UK) #J-18808-Ljbffr More ❯

Social network you want to login/join with: Front-End Developer - Contract - Outside IR35 - £350-400/day (Remote UK) This will be to re-build platforms and support in design implementation and improving the overall quality of these key growth … frameworks (e.g., Jest, React Testing Library) is a plus. If you are interested, please apply with an updated copy of your CV. Front-End Developer - Contract - Outside IR35 - £350-400/day (Remote UK) #J-18808-Ljbffr More ❯

Role – Front-End Developer Office travel – Hybrid (3 Days a week in the office) Location – Central London Salary – £80,000 - £90,000 + Benefits Infinite Talent have partnered with a renewable energy start-up backed by a global business to recruit for More ❯

As a Front-End Developer, you will be an integral part of the Development Team in playing a crucial role in ensuring the successful deployment of our products and solutions in hotel establishments. This role requires you to have a thorough understanding More ❯

Espire Infolabs is hiring for Front End Developer(React.js) for London, UK location. Role : Front End Developer(React.js) Location: London … UK(3 Days/Week onsite) Desired Industry Experience: 5+ years Relevant Experience: React.Js, Typescript, Azure Job Description: • Proven experience as a Front-End Developer with a focus on React.js, and Typescript. • Familiarity with C# and .Net. • Strong proficiency in JavaScript, ES6 …/ES7, and related front-end technologies. • Familiarity with state management libraries such as Redux. • Experience with version control systems, such as Git. • Experience with the Web Content Accessibility Guidelines. • Knowledge of responsive web design principles and CSS frameworks. • Understanding of RESTful APIs and asynchronous data More ❯

Front-End Engineer – AI Infrastructure Global Fintech London - Hybrid working £140k - £150k + equity DATAHEAD has been exclusively retained by a global deep-tech startup pioneering the future of developer tooling through AI infrastructure. This early-stage company is creating a new … Ivy League institutions, they’re entering their next phase of growth and scaling their engineering team. The Opportunity: As their first dedicated Front-End Engineer , you’ll lead the development of high-performance, user-centric interfaces for their AI-driven products. Working directly with the founding … ll help define and implement end-to-end UI/UX strategy and set architectural standards for scalable front-end systems. What You’ll Do: Drive front-end development and architecture for new AI products. Define UI/ More ❯

An exciting opportunity to join a one of the most profitable Global Hedge Funds, working closely with members of trading desks and other development teams. You are expected to provide technical expertise to enhance, support and refresh the front More ❯

Social network you want to login/join with: Location : Remote (Candidates must be based in Europe or the UK) Plexus are working with one of the biggest Solana DeFi projects, they currently have $2b in TVL. Requirements: Ideally comes More ❯

Frontend Engineer (GreenTech) - Typescript, React.js, Tailwind CSS, RESTful API's, Testing - Cypress/Jest, Complex Design & Architecture, Problem Solving! We're hiring for a GreenTech scale up who have recently secured huge PE funding and are looking for a Frontend More ❯

Social network you want to login/join with: Senior Frontend Engineer - Join a growing HealthTech Up to £100,000 Hybrid working - 2 days a week onsite Vue.js or React.js & TypeScript experience We're partnered with a Series A HealthTech More ❯

Senior Frontend Developer At Xe, we live currencies. We provide a comprehensive range of currency services and products, including our Currency Converter, Market Analysis, Currency Data API, and quick, easy, secure Money Transfers for individuals and businesses. We leverage technology to deliver these services through our … responsive web applications in an Agile environment using and supporting fully automated CI/CD pipelines. Experience of NodeJS runtime, and modern front-end JavaScript frameworks such as VueJs, React, or Angular - polyglot mindset. Eager to learn and share knowledge. Ability to adapt quickly and develop More ❯

They have approximately 200 million customer accounts and do business in more than 160 countries. We are seeking a hands-on UI Developer with solid experience in modern JavaScript/TypeScript, React and Angular, Node.js, and NPM. The ideal candidate should be passionate about writing clean More ❯

Social network you want to login/join with: ?? Senior Frontend Developer - with Full Stack Experience | £70K | Fully Remote (UK-based) Are you a Senior Frontend developer/React Developer who thrives on crafting elegant, user-centric applications More ❯

Frontend Engineer | AI x Defence | London (Hybrid) | Up to £110k + Meaningful Equity Shape the Interface to the Future of Autonomous Defence Join one of the UK’s most ambitious AI-defence startups, backed by top-tier investors and moving More ❯

Greenfield projects, autonomy, and a blank canvas for you to implement the ideas that motivate you. Does this sound like you, or what you’re missing right now? This role sits within the internal tooling team at a globally renowned More ❯

Front-end Developer- Start-Up Venture Looking for a frontend-focused software developer to join a stealth-mode start-up with a team that has a history of several multi-million-dollar exits. They've worked together at More ❯

Social network you want to login/join with: Front End Developer TypeScript React AI, Slough Client: Client Server Location: Slough, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 1 Posted: 31.05.2025 Expiry Date … 15.07.2025 Job Description: Front End Developer/Engineer (TypeScript React AI) London/WFH to £65k Want to work on intellectually and technically challenging AI systems at the cutting edge of what is possible, whilst learning and collaborating with an amazing team … and enjoying flexible working and a range of other perks? You could be progressing your career as a Front End Developer at a well-established AI company acting as a tech incubator within the World Economic Forum to tackle issues like climate More ❯

Software Engineer – Next.JS Salary up to £80000 - plus bonus Next.JS, Serverside Rendering and Static Rendering, JavaScript, AGGrid, JavaScript. Harrington Starr has partnered with an innovative Digital Investment & Crypto Currency house that specialise in developing unique software systems for Crypto Trading More ❯

exciting opportunity to contribute to the development of innovative digital products across various domains, leveraging cutting-edge technologies and best practices in front-end engineering. Key Responsibilities Develop and maintain responsive, high-quality user interfaces using React.js Translate UI/UX designs into functional and visually … processes and tools Required Skills and Experience Proven experience as a React Developer , with a strong portfolio of front-end projects Proficient in React Hooks , React Scripts , and modern JavaScript (ES6+) Experience building UIs from scratch based on design specifications (e.g., Figma … technologies Familiarity with HD data visualisation techniques Exposure to cloud platforms and CI/CD pipelines Interest in building scalable and maintainable front-end architectures Personal Attributes Adaptable, pragmatic, and solution-oriented Self-starter with a proactive mindset and strong ownership of deliverables Passionate about clean More ❯

Senior React Developer London, United Kingdom · Full-time Description A fast-growing investment technology platform is seeking a talented Senior React Developer to join its frontend development team. The successful candidate will work on a suite of web applications supporting trade execution More ❯