19 of 19 Responsive Web Design Jobs in the Thames Valley

.NET Developer On behalf of a key cleint, we're looking for an experienced .NET Developer to join a collaborative engineering team working on a range of modern web applications. You'll be involved across the full development lifecycle - from design and build through to deployment and optimisation - using the latest Microsoft and web technologies. What you … ll be doing Developing robust, high-quality applications using C# and .NET Designing, building, and optimising databases in SQL Server Building responsive web interfaces using Angular , HTML , CSS , and TypeScript Integrating and maintaining Web API services Ensuring security best practices (OWASP) are followed throughout the codebase Continuously learning and adopting new technologies and frameworks What we're … or migrating legacy systems Familiarity with Azure Pipelines , MSBuild , and CI/CD practices Experience with ASP.NET MVC or WCF Services Desktop experience with WinForms or WPF Knowledge of web accessibility and responsive design principles Understanding of localisation for global markets This is an exciting opportunity for a developer who enjoys variety, innovation, and the chance to More ❯

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 retrieval. • Experience with unit testing. • Strong problem … solving and debugging skills. • Excellent teamwork and communication skills. • Attention to detail and an eye for design and user experience. • A portfolio of past projects showcasing your React.js expertise. More ❯

a unique opportunity to shape the frontend architecture of secure, scalable AI systems deployed in regulated sectors. You’ll work across product, backend, and AI teams to deliver performant, responsive web applications with real-time streaming capabilities. The Role: Ownership of frontend architecture for AI-driven chat platforms, from design to deployment Development of scalable SPAs using … pipelines using GitHub Actions Collaboration with DevOps for AWS CloudFront/S3 delivery, caching, and CDN optimization Accessibility leadership (WCAG 2.1 AA), cross-browser testing, and performance monitoring via Web Vitals Security-first development including CSP headers, XSS prevention, and secure API communication Mentorship and technical leadership across frontend best practices and performance optimization Experience Required: Active SC clearance … of frontend development with React and TypeScript in production environments Proven experience building complex SPAs with modern routing and state management Deep understanding of browser APIs, performance optimization, and responsive design Familiarity with Vite, pnpm, Git workflows, and OpenAPI integration via tools like Orval Experience with WebSockets, real-time data handling, and secure API communication Strong communication skills More ❯

a unique opportunity to shape the frontend architecture of secure, scalable AI systems deployed in regulated sectors. You'll work across product, backend, and AI teams to deliver performant, responsive web applications with real-time streaming capabilities. The Role: Ownership of frontend architecture for AI-driven chat platforms, from design to deployment Development of scalable SPAs using … pipelines using GitHub Actions Collaboration with DevOps for AWS CloudFront/S3 delivery, caching, and CDN optimization Accessibility leadership (WCAG 2.1 AA), cross-browser testing, and performance monitoring via Web Vitals Security-first development including CSP headers, XSS prevention, and secure API communication Mentorship and technical leadership across frontend best practices and performance optimization Experience Required: Active SC clearance … of frontend development with React and TypeScript in production environments Proven experience building complex SPAs with modern routing and state management Deep understanding of browser APIs, performance optimization, and responsive design Familiarity with Vite, pnpm, Git workflows, and OpenAPI integration via tools like Orval Experience with WebSockets, real-time data handling, and secure API communication Strong communication skills More ❯

a highly iterative, analytical approach. We're looking for a Senior Full-stack Engineer to join our Development team. Principal Accountabilities: • Build robust and scalable software for business critical, web-based applications • Build eye-catching, functional, efficient, and reusable web and mobile-based sites that drive these web applications • Design, build, test, document and maintain API … techniques such as automated testing, pairing, and code review • Work with the Product team to understand end-user requirements and translate them into an effective technical solution • Document technical design and analysis work • Assess current system architecture and identify opportunities for growth and improvement • Build mock-ups or prototypes to explore and troubleshoot new initiatives • Work with the Product … s core technologies • Mentor and coach colleagues in both engineering and business domain subjects Required Skills and Experience: • Experience as a mid-senior level engineer working across a modern web stack • Strong software engineering principles (SOLID, DRY, ER modelling) • Professional experience with a server-side language, ideally JVM based • Professional experience building web-based single page applications, using More ❯

cloud technologies. This role involves working on cutting-edge project, developing robust and scalable application and collaborating closely with cross-functional teams to deliver high-quality solutions. Key responsibilities: Design and develop user-friendly web interfaces using Angular and related technologies. Ensure the technical feasibility of UI/UX designs. Collaborate with the design team to implement … responsive design and ensure consistency across different platforms. Design and manage relational databases. Develop, maintain and optimize queries, stored procedures and database structures Work with Azure Cosmos DB to manage and scale distributed data systems Develop and deploy RESTful APIs that interact with front-end applications and external systems. Implement and manage microservices architecture to support seamless More ❯

Front End Design Engineer - AI Startup | London | Up to £50,000 Join one of London's most exciting AI startups as they launch a new generation of AI-powered products. This is a rare opportunity to shape design and engineering from the ground up You'll be the bridge between design and code. Taking high-impact ideas … using Figma, React and TypeScript . You'll define visual language, build smooth user experiences and help scale products used by thousands. What you'll do Own front-end design and development across web products Create world-class UI/UX in Figma and implement directly in React/TypeScript Work with product and AI engineers to prototype … and ship new features fast Contribute to brand, component library, and overall product experience You'll need Strong design eye and proven ability with Figma Solid experience building front ends in React + Typescript Understanding of responsive design, accessibility, and modern UI patterns Startup mindset: fast, collaborative, ownership-driven Why join Early involvement in a funded AI More ❯

Senior Developer with SPA Web, Vue.js, Next.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 … scale. You’ll work cross-functionally with product managers, infrastructure specialists and support teams, with responsibility not just for delivery but also for mentoring peers, shaping design decisions, and contributing to long-term planning and technical standards. What you'll need: SPA development experience using JavaScript and TypeScript Proficiency in both Vue.js (v3) and Next.js HTML5, CSS3+, Tailwind, and … responsive design implementation CSS pre-processors (SASS, SCSS) and build tools (Vite, Webpack) PrimeUI, Axios, GitHub or equivalent version control Experience with MSAL and single sign-on (SSO) REST-based API development UI/UX, accessibility (WCAG/WAI), and usability standards Wireframing, prototyping, and high-fidelity mock-ups Use of Figma, Sketch or Adobe XD Testing tools More ❯

Senior Developer with SPA Web, Vue.js, Next.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 … scale. You’ll work cross-functionally with product managers, infrastructure specialists and support teams, with responsibility not just for delivery but also for mentoring peers, shaping design decisions, and contributing to long-term planning and technical standards. What you'll need: SPA development experience using JavaScript and TypeScript Proficiency in both Vue.js (v3) and Next.js HTML5, CSS3+, Tailwind, and … responsive design implementation CSS pre-processors (SASS, SCSS) and build tools (Vite, Webpack) PrimeUI, Axios, GitHub or equivalent version control Experience with MSAL and single sign-on (SSO) REST-based API development UI/UX, accessibility (WCAG/WAI), and usability standards Wireframing, prototyping, and high-fidelity mock-ups Use of Figma, Sketch or Adobe XD Testing tools More ❯

flagship store, passion, vision and dynamism are part of our DNA – and that extends to our team. Job Purpose: As a Product Designer at Liberty, you will support the design and delivery of engaging, user-friendly digital experiences. Working as part of the product design team, you’ll contribute to projects across Liberty’s ecommerce platform and other … digital touchpoints. This is a great opportunity to develop your skills, gain experience across the full product design process, and learn from more senior designers while contributing to real customer-facing solutions. Key Responsibilities: Assist in creating user flows, wireframes, prototypes, and high-fidelity designs that clearly communicate ideas and solutions. Support the design of new features and … enhancements for Liberty’s ecommerce platform and digital products, ensuring consistency and attention to detail. Translate customer needs and business goals into simple, elegant, and effective design solutions. Ensure all designs are mobile-first, accessible, and aligned with Liberty’s brand guidelines and visual identity. Participate in usability testing and customer research, helping to plan sessions, observe user behaviour More ❯

of a collaborative team creating innovative digital products that turn complex datasets into meaningful, actionable insights. Experience required Developing robust backend services using Python (Flask, FastAPI). Building intuitive, responsive dashboards with modern frontend frameworks (React). Ensuring performance, scalability, and accessibility across all devices. Managing deployments using Docker and AWS. Monitoring system performance and maintaining reliable infrastructure. Collaborating … with cross-functional teams to bring new ideas to life. Tech stack Strong experience with Python web frameworks (Flask, FastAPI). Skilled in modern frontend development (React, JavaScript, HTML/CSS). Understanding of responsive design, accessibility, and UX best practices. Experience with Docker, AWS, and CI/CD pipelines. Knowledge of Git, version control, and deployment More ❯

Salary to £80k Bonus Pension Healthcare Work with the latest cutting-edge AI technologies Excellent training and career development opportunities Your role: As a Front End Engineer you'll design and develop new features and enhancements on the core product that uses Artificial Intelligence to harness knowledge for strategic advantage. You'll work alongside a talented team contributing ideas … tier university (e.g. Russel Group, Oxbridge) You have Typescript experience combined with strong React and React Native skills You're proficient with HTML5 and CSS3 You have experience of responsive design for desktop and mobile You're keen to work in a start-up environment You have excellent communication and collaboration skills You are a passionate technologist, keep More ❯

an exciting contract project working with cutting-edge tech! What you'll do: Build and maintain full-stack applications using .NET Core, C#, Python, SQL Server, Angular/React Design APIs, microservices, and cloud-based solutions (AWS/Azure) Work with modern front-end libraries, Nx Monorepos, Tailwind CSS, and responsive design Write tests and automate deployments More ❯

cross-functional teams to deliver thoughtful product experiences - this could be your next big move. Why This Role is Great In this role, you'll have the opportunity to: Design and build a modern SPA using React , TypeScript , and Vite , with a strong emphasis on performance, accessibility, and usability. Deliver responsive, accessible interfaces using utility-first CSS (e.g. … Tailwind CSS ) and a component-led design system (e.g. Shadcn/UI or similar). Work with real-time data and streaming endpoints , integrating AI-powered features into the frontend using WebSockets and SDKs. Implement secure user flows with OAuth-based authentication and token/session handling. Optimise performance and delivery using techniques like code splitting, lazy loading, and … and cloud hosting (AWS S3/CloudFront). Take ownership of quality by championing testing, accessibility (WCAG 2.1), error monitoring, and frontend performance. Collaborate with AI, backend, product, and design teams to translate ambitious ideas into polished frontend experiences. Mentor and guide other engineers, helping to level up team-wide frontend standards and best practices. About You This role More ❯

generative AI platform. If you enjoy building elegant, performant UIs and working closely with cross-functional teams to deliver thoughtful product experiences - this could be your next big move. Design and build a modern SPA using React , TypeScript , and Vite , with a strong emphasis on performance, accessibility, and usability. Deliver responsive, accessible interfaces using utility-first CSS (e.g. … Tailwind CSS ) and a component-led design system (e.g. Work with real-time data and streaming endpoints , integrating AI-powered features into the frontend using WebSockets and SDKs. Optimise performance and delivery using techniques like code splitting, lazy loading, and CDN-aware strategies. Ship confidently with containerised deployments (Docker), CI/CD pipelines (GitHub Actions), and cloud hosting (AWS … S3/CloudFront). Take ownership of quality by championing testing, accessibility (WCAG 2.1), error monitoring, and frontend performance. Collaborate with AI, backend, product, and design teams to translate ambitious ideas into polished frontend experiences. Mentor and guide other engineers, helping to level up team-wide frontend standards and best practices. Has solid experience building and scaling single-page More ❯

Java Solid understanding of CMS architecture , Headless CMS , and RESTful API integrations Experience with version control (Git, Bitbucket) and CI/CD pipelines Knowledge of SEO , accessibility standards , and responsive design Understanding of secure development practices (OWASP) Familiarity with cloud platforms such as AWS or Azure Interview Process: 2 stages How to apply: Please click the link below More ❯

mobile and desktop. As an experienced developer you will have worked on a variety of highly available applications and have experience collaborating with engineering teams around the world to design and maintain ground-breaking features. You will be continually excited by technology advances and innovations. You will have the experience and knowledge to contribute to technology decisions and architecture … experience working with source control platforms and tools such as GIT and SVN. Knowledge of CSS, PostCSS, and SASS/SCSS. Knowledge of CSS frameworks (Tailwind, Bootstrap etc) and responsive design techniques. Passion for technologies and a desire to remain up to date with the latest skills. Ideally a maths, statistics or physics background, or 3D development experience. More ❯

candidate enjoys collaborating with cross-functional teams, managing code reviews, and taking ownership of delivering clean, efficient, and scalable code. Key Responsibilities Develop and maintain high-quality websites and web applications using HTML, CSS, JavaScript, and PHP Build and enhance custom WordPress themes and plugins Lead development on key features, including Gutenberg blocks for high-profile clients Manage and … HTML, CSS, JavaScript, and PHP Experience with Next.js and WordPress Familiarity with modern testing tools such as Jest, React Testing Library, Cypress, and Playwright Proficient with Tailwind, Bootstrap, and responsive design principles Experience with SQL and general database interaction Strong attention to detail with a proactive, problem-solving approach Comfortable collaborating within agile environments and working across multiple More ❯

using innovative technology and a bold, creative approach. And they’re looking for a talented Digital Designer to help bring their vision to life. This isn’t just any design role. You’ll be at the heart of a fast-growing creative team, shaping engaging digital experiences that delight users and elevate the brand. From eye-catching campaigns and … performs. Juggle multiple projects without sacrificing quality, hitting deadlines in a fast-paced environment. Mentor and inspire junior designers, helping them grow and refine their craft. Stay ahead of design trends, tech innovations, and best practices to keep work fresh and cutting-edge. What We’re Looking For: 4+ years of experience in digital design, whether agency or … portfolio packed with a mix of brand-led campaigns, social content, and UX/UI projects. Mastery of Figma, Adobe Creative Suite, and prototyping tools. A strong understanding of responsive design, accessibility, and user-centered design principles. Exceptional typography, layout, and visual storytelling skills. Bonus points for motion graphics or video editing experience. A confident communicator who More ❯