26 to 50 of 374 Responsive Web Design Jobs in the UK

on a once-in-a-lifetime, largescale transformation journey to build a bigger, better, and safer National Lottery that delivers more money to good causes. Role Purpose: As a Web Technical Lead, you will be responsible for the design and development of the innovative Allwyn Web application across mobile and desktop platforms. The role combines hands-on … development with leadership responsibilities, guiding a team of Web developers to create a high quality, scalable, performant, and user-centric web application. You will always place customer needs at the heart of the software development process. Role Responsibilities: Technical Leadership Lead the Web development team in the design, development, deployment, and maintenance of web applications … Mobile & Desktop). Oversee architecture and design decisions for new features, ensuring scalability, performance, and maintainability, working closely with the Architecture Team (Solution & Enterprise Architecture). Conduct code reviews to ensure adherence to best practices, coding standards, and technical guidelines to ensuring high-standards and a first-class application e.g. TDD, CI/CD, Shift-Left practices, etc. Collaborate More ❯

skilled and experienced Senior Frontend Engineer with deep expertise in React , Redux , and modern JavaScript frameworks. The ideal candidate will play a critical role in architecting, building, and scaling responsive, high-performance web and mobile applications that directly support our business and user needs.Responsibilities Lead the design, development, and optimization of rich, interactive user interfaces for web … scalable frontend systems. Drive architecture decisions and best practices to ensure code quality, maintainability, and performance. Build and maintain a reusable component library and enforce consistency across applications. Ensure responsive design and cross-browser compatibility across all platforms. Write comprehensive unit and integration tests to ensure robust code coverage. Mentor junior engineers and participate in code reviews to … in production environments. Expertise in modern JavaScript (ES6+) and frontend tooling (Webpack, Babel, NPM/Yarn). Solid understanding of REST APIs and asynchronous request handling. Strong command of responsive design principles, mobile-first development, and accessibility standards. Experience with version control systems (e.g., Git) and Agile/Scrum methodologies. Bonus: Experience with TypeScript, React Native, or backend More ❯

Role We are seeking a talented and motivated Senior Full Stack Engineer to join our development team. In this role, you will be responsible for designing, developing, and maintaining web applications using a mix of front-end and back-end technologies. You will work closely with cross-functional teams to deliver features, solve complex technical challenges, and contribute to … the continuous improvement of our platform. Responsibilities • Develop and maintain web applications using Ruby on Rails (backend) and React/Next.js (frontend). • Collaborate with designers, product managers, and other engineers to deliver high-quality, scalable, and efficient software solutions. • Build RESTful APIs and integrate third-party services. • Write clean, maintainable, and well-documented code, following best practices in … software development. • Ensure responsive design and cross-browser compatibility for front-end components. • Perform code reviews, provide feedback, and mentor junior developers as needed. • Debug and resolve technical issues across the full stack (front-end and back-end). • Stay up-to-date with industry trends and emerging technologies, bringing new ideas to the team. • Work with the 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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

and your colleagues Be someone who enjoys knowledge sharing, who is keen to attend and participate in some of the many skill share sessions we regularly hold in the Web team and across the wider Engineering department. Propose/contribute/collaborate on Technical Initiatives - improving and evolving the existing codebase and toolset Be keen to ensure that we … Required qualifications, capabilities and skills English working proficiency is a must, you will be working with the team in London Proven track record of building and maintaining customer-centric web applications/SPAs. Strong proficiency in React and its core principles Solid grasp of Web fundamentals: HTML5 (Semantics & Structure) CSS (Responsive Design, Specificity) JavaScript ES6 General … Operations Curious about new ways of working and open to different approaches and ideas. A passion for self-development and learning who keeps up to date with the latest Web/React trends and technologies. Proactive and willing to help others put forward ideas Preferred qualifications, capabilities and skills- nice to haves Experience with Typescript, GraphQL or AWS Knowledge More ❯

about how we can support your work preferences. We are looking for a skilled Senior Frontend Developer to join our team. The ideal candidate will have strong expertise in web front-end development and a passion for creating high-quality, user-centric software. Key Responsibilities Design, develop, test, and deploy high-quality frontend software. Collaborate with stakeholders to … management. Familiarity with React libraries like Redux, React Router, and Context API. Experience with frontend build tools such as Babel, Webpack, and NPM. Solid understanding of HTML5, CSS3, and responsive design principles. Experience with RESTful APIs and backend integration. Knowledge of version control systems, especially Git. Experience with testing frameworks like Jest, React Testing Library, or Cypress. Understanding More ❯

implementing, and optimizing UI applications in a microservices-based environment. As a member of our team, you will contribute to all aspects of the software development lifecycle, including estimation, design, coding, test automation, code reviews, deployment, and support. Teams are responsible for specific services or products. Our solutions help airlines manage safe and high-performance flight operations. The Frontend … chapter is focused on, but not limited to, the skills and tech stack for Software Development around: Web and Mobile Frontends Vue.js, TypeScript HTML, CSS/SASS SPA, Micro frontends UX, Responsive Design, Accessibility Design Systems Unit testing, Functional testing Responsibilities: Extend existing infrastructure/architecture or propose new infrastructure/architecture to support new features … Propose architecture design changes to ease implementation/improve product behavior Coding, testing, documenting and debugging assigned development tasks to meet acceptance criteria Set standards for team members code submissions Propose changes at design level to make product testable Guides unit/feature testing creation on existing functions as well as new code Implement product features with limited More ❯

implementing, and optimizing UI applications in a microservices-based environment. As a member of our team, you will contribute to all aspects of the software development lifecycle, including estimation, design, coding, test automation, code reviews, deployment, and support. Teams are responsible for specific services or products. Our solutions help airlines manage safe and high-performance flight operations. The Frontend … chapter is focused on, but not limited to, the skills and tech stack for Software Development around: Web and Mobile Frontends Vue.js, TypeScript HTML, CSS/SASS SPA, Micro frontends UX, Responsive Design, Accessibility Design Systems Unit testing, Functional testing Responsibilities: Extend existing infrastructure/architecture or propose new infrastructure/architecture to support new features … Propose architecture design changes to ease implementation/improve product behavior Coding, testing, documenting and debugging assigned development tasks to meet acceptance criteria Set standards for team members code submissions Propose changes at design level to make product testable Guides unit/feature testing creation on existing functions as well as new code Implement product features with limited More ❯

as cypress Experience with ReactJS and modern frameworks e.g. Next.js and consuming backend integrations such as GraphQL and REST Experience with HTML5 and CSS3 across a broad array of web and mobile products, with knowledge and awareness of responsive design, performance, accessibility and SEO considerations. Familiarity with CI/CD technologies (e.g. GitHub Actions, Jenkins) and version More ❯

Private Equity, Growth Equity, Venture Capital, Infrastructure and Private Credit. ROLE AND BACKGROUND As a UX/UI Designer, you will be responsible for designing and implementing user-friendly, responsive interfaces that support our business objectives. This role involves close collaboration with product managers, developers, and data scientists to transform complex data insights into interactive and aesthetically pleasing user … of a dynamic team, you’ll have ample opportunity to influence the direction of our product suite and grow with the company as we expand. Responsibilities UX/UI Design: Create high-quality designs and wireframes that clearly illustrate how applications function and look. Front-End Development: Implement interfaces using modern JavaScript frameworks (React or Angular preferred), ensuring smooth … user interactions and visual consistency. User Research and Testing: Conduct user research and usability testing to guide design decisions and enhance product features based on user feedback. Cross-Functional Collaboration: Work closely with product managers and developers to align design with functionality and optimize the user experience. Brand Consistency: Develop design standards and ensure that all UI More ❯

as tech incubator within the World Economic Forum to tackle issues like climate change, AI, battery technology and other real world problems. As a Front End Developer 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 ❯

as tech incubator within the World Economic Forum to tackle issues like climate change, AI, battery technology and other real world problems. As a Front End Developer 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 ❯

as tech incubator within the World Economic Forum to tackle issues like climate change, AI, battery technology and other real world problems. As a Front End Developer 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 ❯

as tech incubator within the World Economic Forum to tackle issues like climate change, AI, battery technology and other real world problems. As a Front End Developer 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 ❯

as tech incubator within the World Economic Forum to tackle issues like climate change, AI, battery technology and other real world problems. As a Front End Developer 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 ❯

as a team member or through group sessions. They should be the authority for decisions relating to standards and engineering best practices within their discipline. You will lead the design, development, and implementation of cutting-edge trading applications while driving the technical direction of the team. The Principal Engineer will be passionate about software development and keen to use … communication, have a commitment to quality, and a focus on getting things done. Whilst there is scope to shape this role, it is expected to be hands-on coding, design and architecture as well as providing leadership and driving innovation. Role Responsibilities Development, Architecture, SDLC and Delivery Architect and develop high-performance, scalable, and robust trading systems, tools, and … within the team such that other team members know what they should aspire to Be an expert in modern UI Engineering using React/Typescript/JavaScript and OO design principals. Provide technical oversight of the analysis and design for assigned projects Design, develop, test and oversee production software solutions, including the development of highly complex systems More ❯

allows for autonomy and responsibility in your role Requirements Frontend Expertise: Proficient in modern JavaScript frameworks/libraries (e.g., React, Angular, or Vue.js) and comfortable with HTML5, CSS3, and responsive design principles. We work solely in React currently, so this is essential. Backend Proficiency: Solid experience with backend technologies such as Node.js (our current environment). Experience with More ❯

creating visually appealing interfaces and optimising software for maximum speed and scalability. We'd love you to have a passion for live music too! Skills and Qualifications Able to design and develop software in a fast-paced development environment Front-End Development, Responsive Web Design, and Web Development skills Understanding of back-end Web … Development skills Ability to work with UX designers and audio engineers, developing new, visually appealing user interfaces Excellent knowledge of HTML/CSS/JS Good working Knowledge of responsive design principles Good working Knowledge of REST APIs and databases Good working Knowledge of modern web-based languages (TypeScript) and frameworks (ReactJS) Ability to collaborate with cross More ❯

to join our growing team in London. This is a hybrid role with 3 days onsite and 2 days remote, offering permanent or fixed-term employment. Responsibilities Lead the design and development of responsive, user-friendly interfaces. Build applications using Angular, ReactJS, NodeJS, JavaScript, and TypeScript. Collaborate with designers and back-end engineers for seamless integration. Write clean … through unit/integration testing and code reviews. Qualifications Minimum of 7 years of UI development experience. Strong skills in HTML5, CSS3, JavaScript, TypeScript, Angular, and ReactJS. Experience with responsive web design and front-end performance tuning. Solid understanding of REST APIs and integration with back-end services. Familiarity with Git, Agile methodologies, and build tools like … level Employment Type: Full-time, Permanent/Fixed Term Industry: IT Services and Consulting Apply now for a chance to work with the latest technologies and contribute to innovative web applications at UST. #J-18808-Ljbffr More ❯

will work closely with our Product team and Data Scientists to define and execute on the future path for our products. Key Responsibilities: Work closely with senior engineers to design, build, and maintain front-end interfaces and systems that deliver seamless, high-quality user experiences, all whilst meeting launch deadlines. Develop responsive, interactive, and dynamic UIs for web applications that integrate smoothly with back-end services and data science models. Write clean, efficient, and maintainable code while following best practices, UI/UX design standards, and accessibility guidelines. Collaborate with cross-functional teams (product, design, back-end) to define feature requirements and ensure the implementation of new features. Optimize front-end performance to ensure fast … performance, scalability, and user experience. Troubleshoot, debug, and optimize front-end code, identifying and fixing issues to enhance the performance and reliability of the application. Stay current with new web technologies and industry trends to continuously improve front-end development practices. Requirements: A degree in Computer Science, Engineering, or a related field (or equivalent practical experience). More ❯