26 to 50 of 174 Front End Web Developer (Client-Side Developer) Jobs

Front End React Developer, React, Javascript, NW London to £80K A leading financial software company are looking for a Front End JavaScript developer who is proficient with React.js. … infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important. Responsibilities Developing new user-facing features using React.js Building reusable components and front-end libraries for future use Translating designs and wireframes into high quality code Optimising components for maximum performance across a vast array of web … of React.js and its core principles Experience with Redux and RTK (RTKQuery also a bonus) Familiarity with RESTful APIs Knowledge of modern authorization mechanisms, such as JSON Web Token Familiarity with modern front-end build pipelines and tools (Github actions a bonus) Experience with common front More ❯

Front End React Developer, React, Javascript, NW London to £80K A leading financial software company are looking for a Front End JavaScript developer who is proficient with React.js. … infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important. Responsibilities Developing new user-facing features using React.js Building reusable components and front-end libraries for future use Translating designs and wireframes into high quality code Optimising components for maximum performance across a vast array of web … of React.js and its core principles Experience with Redux and RTK (RTKQuery also a bonus) Familiarity with RESTful APIs Knowledge of modern authorization mechanisms, such as JSON Web Token Familiarity with modern front-end build pipelines and tools (Github actions a bonus) Experience with common front More ❯

FRONT END DEVELOPER (ANGULAR) - INSIDE IR35 - UNTIL MARCH 2026 One of Loriens leading Public Sector clients are looking for a Front end Developer specialising in Angular to join … focused role where working independently whilst collaborating effectively within the wider team is key. Essential Skills Proven experience of modern JavaScript practices, frameworks and industry standards regarding front-end technologies. Experience of implementing these to produce services which meet Usability, Accessibility and Cyber Security standards. Proficiency in building front end applications with Angular, NodeJS, Express, Typescript, HTML and CSS. Experience developing and working with REST APIs Familiarity with CI/CD practices and tools (e.g., MS DevOps). Experience with version control systems (e.g., Git). Understanding and experience with Agile methodologie Desirable Skills Experience with Azure cloud infrastructure. Knowledge of More ❯

Freelance Front End Developer role Inside IR35 - £350-400 per day 2-4 weeks (UK based applicants only) My client is an internal creative agency, they are looking for a freelance Front End … and possibly November, please note that the contract is Inside IR35. They are a large internal agency that do some really cool projects and they need a Front End Developer who can work under their own steam on projects that may have been started … framework experience • Excellent HTML/CSS/Bootstrap or Tailwind Skills • Experience with working with CMS driven content - they use Hygraph • Building Accessible and Multilingual Websites and Web apps • Strong knowledge of Git processes and best practices Desirable Skills • Experience working within UX and creative UI roles • Experience managing project delivery targets • Experience working with back 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 … for a well established UK SaaS company 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 … experience you will work an environment that rewards dedication, hard work and getting stuck right in. They use React, , TypeScript & Tailwind CSS to build highly scalable, performant Web Frontend systems for their SaaS platform that provides extremely customisable reporting services on many Terabytes of data every single day for each customer. There are opportunities to work 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 … 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 … 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 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 … 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 More ❯

We continuously look for talent, excited to join that effort. To learn more about our exciting organization, please visit us at . We are seeking a UI Front End Developer with Spring Boot and Microservices experience to join our team in Ashburn, Virginia. The UI Front-End Developer will actively engage in building single page applications using modern JavaScript framework and libraries. … The candidate will apply front end development experience to build reusable components and libraries. The candidate will work in an agile team and deploy applications in cloud using DevOps tools. The position will be involved in the full cycle of application development from designing, coding, testing, deploying, and monitoring. Qualified applicants may More ❯

Come join us and make a difference in the world! Discover more at www.necsws.com Job Description NEC Digital seeks a Front-end React Developer in Glasgow. The successful candidate will be responsible for developing and maintaining web applications utilising React … and give clear, actionable feedback within Git workflows. Integrate REST APIs, manage state, ensure data integrity, and document changes for reuse. Build and maintain reusable components and front-end libraries aligned to the design system. Translate designs into accessible, performant UI and validate technical feasibility early. Optimise rendering, bundle size, and caching … for speed and scalability across devices and browsers. Collaborate with product, design, QA, and back end to deliver small, reversible increments. Contribute to architecture and front-end best practices. Track emerging web standards and tools and propose improvements Qualifications Essential skills and experience Demonstrable More ❯

Come join us and make a difference in the world! Discover more at www.necsws.com Job Description NEC Digital seeks a Front-end React Developer in Glasgow. The successful candidate will be responsible for developing and maintaining web applications utilising React … and give clear, actionable feedback within Git workflows. Integrate REST APIs, manage state, ensure data integrity, and document changes for reuse. Build and maintain reusable components and front-end libraries aligned to the design system. Translate designs into accessible, performant UI and validate technical feasibility early. Optimise rendering, bundle size, and caching … for speed and scalability across devices and browsers. Collaborate with product, design, QA, and back end to deliver small, reversible increments. Contribute to architecture and front-end best practices. Track emerging web standards and tools and propose improvements Qualifications Essential skills and experience Demonstrable More ❯

Come join us and make a difference in the world! Discover more at www.necsws.com Job Description NEC Digital seeks a Front-end React Developer in Glasgow. The successful candidate will be responsible for developing and maintaining web applications utilising React … and give clear, actionable feedback within Git workflows. Integrate REST APIs, manage state, ensure data integrity, and document changes for reuse. Build and maintain reusable components and front-end libraries aligned to the design system. Translate designs into accessible, performant UI and validate technical feasibility early. Optimise rendering, bundle size, and caching … for speed and scalability across devices and browsers. Collaborate with product, design, QA, and back end to deliver small, reversible increments. Contribute to architecture and front-end best practices. Track emerging web standards and tools and propose improvements Qualifications Essential skills and experience Demonstrable More ❯

Job Description The ideal candidate will have Front-end Web development skills, to include familiarity with modern frameworks i.e. Angular, React, and Vue.js; must be proficient in writing and manipulating HTML-5, CSS, and JavaScript. Experience with writing and modifying for loops, conditional statements, arrays, functions, objects, and … requirements, options, and concerns, with team members, managers and customers. Required Education, Experience, & Skills The position requires: - Three (3) years of relevant, demonstrated experience in working with Front-end development - Experience in writing and manipulating HTML-5, CSS, JavaScript - Strong developing and authoring skills in Adobe, excellent user interface design, strong concept … Suite, Microsoft Office Suite, Adobe Acrobat; structured authoring software - Ability to incorporate audio, video, graphics, and textual data to create highly advanced presentations. - Demonstrate skills using modern web development tools and libraries, such as Vue.js, Angular, React, Git, node.js, SQL, SASS, and jQuery - Proficiency with a modern IDE such as VisualStudio Code. Preferred Education, Experience, & Skills More ❯

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 … through extensive training programmes 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 … 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 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 … Collaborating closely with designers, 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 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 … Collaborating closely with designers, 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 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 … Collaborating closely with designers, 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 More ❯

experienced Web Developer to help evolve and modernise our established SaaS platform. You’ll own front-end work, drive a gradual migration from older .NET UI patterns to modern MVC + React, build reusable UI components and collaborate closely with … patterns. Optimize front-end performance: code splitting, lazy loading, asset/image optimisation and Lighthouse remediation. Implement client-side auth flows (e.g., OIDC), protected routes and session state. Write and maintain front-end tests (unit/… integration and E2E). Own front-end tooling and developer experience. Collaborate with backend engineers on API contracts and UX acceptance criteria with designers/PMs. Essential skills & experience Practical experience maintaining ASP.NET WebForms UIs (pages/controls, ViewState, server controls) and authoring ASP.NET More ❯

Job Number: R Front End Developer, Senior The Opportunity: Are you passionate about crafting an … amazing user experience? The right interface can make an application easy to use, encourage early adoption, and save time and resources. We're looking for you, a front-end developer who will use equal parts skill and vision to build an experience that delivers … team to build a suite of analytic applications with user centric design. You'll work with user i nterface ( UI) and user experience (UX) designers and back-end developers to create a seamless user experience using Angular. You'll work with the development team to ensure accessibility for all users by developing a front More ❯

Frontend Developer/Full Stack Developer Brooklyn, NY 12 Months Qualifications: Strong JavaScript (ES2015) development skills, and proficiency in a framework for building interfaces (React, Angular, Vue) Experience in web application development and associated skills (REST, HTTP, JSON) Experience programming with a Python web development framework Usage of dependency bundling tool (Webpack, Browserify) Experience … to pass on knowledge to other team members Ability to define and develop improved working practices Organizational and presentation skills Can demonstrate close working relationships with back-end engineers and understand how best to integrate a front-end toolchain into a modern web stack 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. You'll take ownership of key projects, mentor junior developers, and ensure the frontend integrates seamlessly with the wider platform. You'll also be expected to support the platform post-launch, so a broad understanding of system architecture beyond just the UI layer is essential. More ❯

Senior Front End Developer … 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 More ❯

Are you a Senior Front End Developer looking to make a real impact? We have an exciting opportunity to make a meaningful impact in a forward-thinking organisation. You'll be joining a collaborative and supportive team that plays a vital role in ensuring … the accuracy and integrity of the organisations' data. This role is focused on developing and maintaining modern front end applications that support the service and operational needs. You'll work with APIs, integrate backend data and contribute to the development of user-friendly digital tools. You'll also be involved in writing … unit tests and ensuring high standards of code quality and performance. Key Skills and Responsibilities: Expert knowledge of HTML, CSS and JavaScript Experience developing front end applications using modern JavaScript frameworks like; React, Vue, Svelte Familiarity with writing unit tests using frameworks like Jest Experience working with APIs and integrating back end More ❯

Excellent opportunity for Front-End Developer looking to join a forward-thinking company producing award-winning software used by leading businesses across the globe. The successful Senior Frond Developer will need to have extensive commercial experience … a specific build and deployment process. Skills required: Extensive ReactJS experience Be familiar with Agile development practices, including Continuous Integration and 5+ years' experience in enterprise level front-end web development: Solid understanding of semantic mark-up, including HTML5, CSS3 (comfortable with CSS animations and flexbox). Extensive More ❯

Excellent opportunity for Front-End Developer looking to join a forward-thinking company producing award-winning software used by leading businesses across the globe. The successful Senior Frond Developer will need to have extensive commercial experience … a specific build and deployment process. Skills required: Extensive ReactJS experience Be familiar with Agile development practices, including Continuous Integration and 5+ years' experience in enterprise level front-end web development: Solid understanding of semantic mark-up, including HTML5, CSS3 (comfortable with CSS animations and flexbox). Extensive More ❯

Front-end UI/UX Developer Chantilly, VA TS/SCI with Poly At Bcore, our strength comes from how we deliver impact to the mission. Whether it's architecting critical IT solutions, producing actionable intelligence, or developing cutting edge technology, we succeed because … desire to change how people work? Are you interested in helping to protect our nation's cyber interests? Join our growing team supporting customer missions as a Front-end UI/UX Developer in Chantilly , VA . Responsibilities Job Summary: We are seeking a … talented and innovative Front-End Developer with strong experience in developing and maintaining web applications. The ideal candidate thrives in a fast-paced agile environment, collaborating with mission partners and end-users to deliver functional and More ❯