26 to 50 of 84 Front-End Developer (Client-Side Developer) Jobs

improvement of performance, accessibility and usability. Key Responsibilities Design and develop high-quality, responsive user interfaces using HTML, CSS and JavaScript. Build front-end applications using modern frameworks such as React, Angular or Vue.js. Translate design mockups and wireframes into interactive, accessible user experiences. Optimise applications … performance, scalability and cross-browser compatibility. Collaborate closely with backend developers to integrate front-end solutions with APIs and services. Conduct testing and debugging to ensure reliable and seamless user experiences. Participate in code reviews, maintaining high standards of code quality and maintainability. Work within Agile ...

Frontend Software Engineer/React/JavaScript/Permanent/Hybrid Vivo Talent is looking to a recruit a Frontend Software Engineer with strong hands-on experience in React. You'll be playing a key ...

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 ...

Senior Frontend Engineer, London Salary - 80,000 – £100,000 + bonus Location - London | Hybrid (2–3 days in office) A new Senior Frontend (React.js) Engineer is needed to join new team building a brand-new ...

responsible for designing, building, and evolving scalable, high-quality user interfaces across web and mobile platforms. They lead front-end architecture decisions, establish UI engineering standards, and collaborate closely with backend, DevOps, and QA teams to deliver performant, accessible, and maintainable applications. ...

Front End Developer - FinTech - Newcastle (Tech stack: Front End Developer, React, TypeScript, Websockets, SignalR, Containers, Orchestration, UX, Usability, Programmer, Developer, Architect, Front End Developer … products. The successful candidate will bring: A 2:1 or higher degree in Computer Science (essential). Strong recent experience with modern front-end frameworks, particularly React, alongside TypeScript. Background working with real-time communication tools such as Websockets or SignalR. Familiarity with containerisation and orchestration ...

critical infrastructure. As a Front End Developer you will: Design, develop, deploy, and maintain front-end applications as part of autonomous DevOps teams. Work closely with end-users and internal teams to understand requirements and deliver … delivery lifecycle, from R&D and prototyping to production-ready systems. Collaborate with UX designers to build user-focused, accessible, and performant front-end applications. Apply best practices in testing, secure coding, and continuous delivery. What they're looking for: In-depth knowledge of JavaScript (vanilla ...

critical infrastructure. As a Front End Developer you will: Design, develop, deploy, and maintain front-end applications as part of autonomous DevOps teams. Work closely with end-users and internal teams to understand requirements and deliver … delivery lifecycle, from R&D and prototyping to production-ready systems. Collaborate with UX designers to build user-focused, accessible, and performant front-end applications. Apply best practices in testing, secure coding, and continuous delivery. What they're looking for: In-depth knowledge of JavaScript (vanilla ...

onsite) Rate: £500 per day (Inside IR35) Contract Length: Until end of March 2027 Overview We are seeking an experienced Front-End Developer to support a high-impact digital programme within the NHS. This role will focus on building scalable … outcomes. You will be working as part of a cross-functional agile team, contributing to the design, development, and deployment of modern front-end solutions. Key Responsibilities Develop and maintain responsive, high-quality front-end applications using React and TypeScript Collaborate with ...

line manager to take on additional responsibilities when requested. What we are looking for Strong commercial experience as a front end developer, delivering production Web applications Excellent JavaScript and TypeScript skills, with strong experience building UI with React and Next.js Solid HTML5 ...

Front End Developer – FinTech – Newcastle (Tech stack: Front End Developer, React, TypeScript, Websockets, SignalR, Containers, Orchestration, UX, Usability, Programmer, Developer, Architect, Front End Developer … products. The successful candidate will bring: A 2:1 or higher degree in Computer Science (essential). Strong recent experience with modern front-end frameworks, particularly React, alongside TypeScript. Background working with real-time communication tools such as Websockets or SignalR. Familiarity with containerisation and orchestration ...

Locations: Glasgow/Edinburgh (must be willing to travel to client sites throughout the UK on an ad hoc basis) Please Note: Any offer of employment is subject to satisfactory SC security clearance ...

DEVELOPER Salary up to £65-80k Hybrid working - 3 days per week on-site in Bromley Modern front-end stack - Vue.js, JavaScript, HTML, CSS Opportunity to shape user-facing products in a growing tech team ABOUT THE CLIENT … phase of development. THE BENEFITS Competitive salary up to £80k Hybrid working model (3 days on-site) Opportunity to take ownership of front-end architecture Collaborative and forward-thinking engineering environment Ongoing investment in technology and product development THE SENIOR FRONT END ...

specialist consultancy delivering secure, high-impact digital services across critical government environments. This role sits at the intersection of UX design and front-end engineering, shaping intuitive interfaces for mission-critical applications. Role Overview: Location: Gloucester, London, or Manchester (up to 4 days onsite) Package: Competitive … clear, intuitive digital experiences aligned with best practice and standards Build and maintain reusable UI components and scalable design systems Develop modern front-end applications using frameworks like React, Angular, or Vue Create responsive, accessible interfaces suited to secure and restricted environments Integrate front ...

building clear, accessible interfaces for compliance-heavy financial journeys - where good UX directly reduces risk and cognitive load. You’ll help set front-end standards, shape architecture, and contribute to a growing component library. This is a chance to raise the bar, not just follow it. … Familiarity with state management and data-fetching approaches such as React Query, Zustand, or Redux. Awareness of UX principles, accessibility standards, and front-end performance considerations. Ability to write clean, maintainable, and well-structured code. Strong willingness to learn and grow as an engineer. Collaborative ...

Role Details Role/Job Title: Front End Developer (Senior) Work Location: Dublin Hybrid Requirement: Weekly 2 days from ESB Head Office Duration … Assignment: 6 Months Other Working Conditions: Candidate should be based out Ireland, Dublin and not from other locations The Role A Front-End Developer (Senior) is expected to have a deep understanding of front-end technologies such ...

Frontend Developer specializing in Next.js, you will be responsible for building fast, SEOfriendly, and highly performant web applications using React, TypeScript, and modern renderingstrategies. You will work closely with UI/UX designers, backend teams, and architecture groups to deliver responsive, usercentric, and scalable digital solutions. ...

Frontend Developer specializing in Next.js, you will be responsible for building fast, SEOfriendly, and highly performant web applications using React, TypeScript, and modern renderingstrategies. You will work closely with UI/UX designers, backend teams, and architecture groups to deliver responsive, usercentric, and scalable digital solutions. ...

When you get the opportunity to work in a growing and exciting company, grab it with both hands! This is an opportunity to be real integral on the frontend, working with a small team of ...

Role Summary We are looking for a UI Developer to join our Fenics Data and Analytics team. This role offers an excellent opportunity to learn and grow while contributing to the development of modern, high-performance user interfaces for real-time data and analytics systems. ...

Role Summary We are looking for a UI Developer to join our Fenics Data and Analytics team. This role offers an excellent opportunity to learn and grow while contributing to the development of modern, high-performance user interfaces for real-time data and analytics systems. ...

organisations to monitor and optimise physical assets at scale, driving energy efficiency and reducing operational cost. They’re now looking for a Front-End Software Engineer to take ownership of how that data is surfaced. This is not a basic UI role. You’ll be working … React (or similar frameworks) Building real-time and historical data dashboards Turning complex IoT and energy datasets into clear, intuitive UI Integrating front-end applications with APIs and backend services Optimising performance for large-scale, real-time data rendering Working closely with product, data science ...

Frontend Developer - 3 months - Circa £550 Inside IR35 - Remote Please note: Due to the nature of the project, successful applicants will be required to be SC cleared prior to appointment. My client is a global leading IT consultancy. They are on the hunt ...

Senior React Developer - Remote (UK-based) - Up to 80k - Fintech Morson Edge have teamed up with a fintech company on their search for a Senior React Developer to help evolve and enhance the frontend. You’ll be working on a complex, data ...

Front End React Developer, React, JavaScript, NW London to £80K A leading financial software company are looking for a great JavaScript developer who is proficient with React js. Your primary focus will be on developing user interface components … infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important. Responsibilities Working in a team of Front-End engineers Writing clear & concise code Working closely with Back-End engineers Participate in architecture design code reviews API design with ...