1 to 25 of 266 HTML5 Jobs in the UK

is a great opportunity to work on large-scale, cloud-hosted systems that require performance, scalability, and innovation. Key Responsibilities: Front-End Development Develop responsive, interactive user interfaces using HTML5, CSS3, and JavaScript. Build modern UI components using React, Angular, or Vue.js. Back-End Development Develop and maintain RESTful APIs and microservices using Java 11+ and Spring Boot. Design and More ❯

and server-side development. Experience of at least one leading Node framework (Express.js, Nest.js, Hapi.js) Expertise in at least one modern front-end framework (Nest.js, Remix.js). Proficiency in HTML5, CSS3, and JavaScript (ES6+). Experience with TypeScript and modern development tools and practices. Experience of Test Driven or Behaviour Driven Development. Knowledge of (Cloud-Native) development and serverless architectures More ❯

architecture. Ensure high standards of code quality, performance, and security across the stack. Participate in agile ceremonies, code reviews, and continuous improvement initiatives. Essential Skills: Frontend: React.js, TypeScript, Redux, HTML5, CSS3, SASS Webpack, Babel, Jest, Cypress Backend: Java 8+, Spring Boot, Node.js (optional) REST APIs, JSON, OAuth 2.0 DevOps & Cloud: Azure (preferred), AWS (optional) Docker, Kubernetes, Terraform GitHub Actions, Azure More ❯

stack capability with expertise in: Modern JavaScript frameworks (React, Vue, Angular, etc.) or Blazor for front-end development C# .NET for back-end services RESTful API design and implementation HTML5, CSS3, and responsive design principles Cloud platform experience with Azure, AWS, or GCP Production systems mindset including observability, testing, security, and reliability Agile delivery experience in fast-paced, iterative environments More ❯

stack capability with expertise in: Modern JavaScript frameworks (React, Vue, Angular, etc.) or Blazor for front-end development C# .NET for back-end services RESTful API design and implementation HTML5, CSS3, and responsive design principles Cloud platform experience with Azure, AWS, or GCP Production systems mindset including observability, testing, security, and reliability Agile delivery experience in fast-paced, iterative environments More ❯

optimise CI/CD pipelines and automated testing. Participate in the full Software Development Lifecycle (SDLC) – from planning and design to delivery and support. Build responsive user interfaces using HTML5, CSS3, JavaScript, and Telerik UI. Write clean, maintainable, and testable code following SOLID, KISS, DRY, and YAGNI principles. Troubleshoot and resolve software issues, ensuring our systems are robust and reliable. More ❯

MVC Solid understanding of REST APIs, authentication (OAuth2/JWT), and backend logic Strong grasp of TDD/BDD principles and testing frameworks (e.g., xUnit, NUnit, SpecFlow) Frontend proficiency: HTML5, CSS3, Razor, and JavaScript Experience with PostgreSQL/SQL Server, Git and CI/CD tools (e.g., Azure DevOps) Experience working in agile environments and cross-functional teams Familiarity with More ❯

MVC Solid understanding of REST APIs, authentication (OAuth2/JWT), and backend logic Strong grasp of TDD/BDD principles and testing frameworks (e.g., xUnit, NUnit, SpecFlow) Frontend proficiency: HTML5, CSS3, Razor, and JavaScript Experience with PostgreSQL/SQL Server, Git and CI/CD tools (e.g., Azure DevOps) Experience working in agile environments and cross-functional teams Familiarity with More ❯

Framework Core. Solid understanding of RESTful APIs, dependency injection, and modern software design principles. Proficiency in SQL Server (T-SQL, stored procedures, performance tuning). Good knowledge of JavaScript, HTML5, and CSS3. Experience with version control systems (Git) and CI/CD pipelines. Strong problem-solving, analytical, and communication skills. Comfortable working both independently and in a collaborative team environment. More ❯

deliver solutions that exceed expectations. Stay up to date with the latest industry trends and technologies, and drive continuous learning and innovation within the team. Preferred Experience Proficiency in HTML5, CSS3, and JavaScript (ES6+). Proven experience of Express.js and Nunjucks Experience using the GOV.UK Design System Familiarity with the GOV.UK CASA UI framework Experience with MongoDB and NoSQL variants More ❯

within, gamification, betting/gambling, gaming or iGaming. Frontend Mastery: Expertise in React.js, including Hooks, Context API, and modern state management libraries (e.g., Redux, Zustand). Strong proficiency in HTML5, CSS3, and modern CSS frameworks (e.g., Tailwind CSS, styled-components). Deep understanding of responsive design, cross-browser compatibility, and web performance optimization. Experience with build tools like Webpack, Vite. More ❯

with at least 3+ years in a technical lead role. Strong expertise in Java, Spring Boot, REST APIs, and Microservices architecture. Hands-on experience with React.js, Redux, JavaScript (ES6+), HTML5, CSS3 .Experience in designing cloud-native applications (AWS/Azure/GCP preferred).Solid understanding of containerization (Docker, Kubernetes).Proficiency in relational and NoSQL databases (MySQL, PostgreSQL, MongoDB, etc.).Knowledge More ❯

experience as a Frontend Engineer or Full-Stack Engineer with a frontend focus, working in production environments. Strong proficiency in Angular (latest versions preferred) and TypeScript. Solid understanding of HTML5, CSS3, REST APIs , and modern frontend build tools. Experience working with C# or .NET backends beneficial but not essential. A passion for building high-quality, scalable, and maintainable code. Excellent More ❯

Expertise: C#, .NET/JavaScript/Node Experience in front-end development and demonstrated proficiency with leading JavaScript frameworks (e.g., React, Vue, Angular). Web Fundamentals: Deep understanding of HTML5, CSS3, and responsive design principles. API Development: Proven ability to design and implement RESTful services. Cloud Exposure: Familiarity with major cloud providers (Azure, AWS, or GCP). Process & Culture: Experience More ❯

A proven track record in hands on software development, ideally on SaaS platforms at scale. Strong experience with front end: JavaScript (vanilla + frameworks like Vue, React, or similar), HTML5, CSS3. Strong experience with back end: C# (.NET), SQL Server (including query optimization). Strong communication skills and ability to explain technical concepts to both developers and non technical stakeholders. More ❯

frontend stack What We’re Looking For Strong experience building modern frontend applications with TypeScript Expertise in React, Vue, Svelte, or a similar modern JS framework Deep understanding of HTML5, CSS3/SASS, responsive design, and UI best practices Experience integrating with REST APIs Familiarity with testing frameworks (Jest, Vitest, Cypress, etc.) Knowledge of modern build tools (Vite, Webpack, etc. More ❯

with a good appreciation of Azure Functions, Storage Accounts, Service Bus, Application Insights, and Key Vault Agile, SQL Server and WebAPI experience Familiar with modern web technologies such as HTML5, CSS3, and JavaScript. This is a fantastic chance to join a software engineering team of 6 people, which is growing. You will be involved in full-stack development in an More ❯

and help take ownership of features from conception to deployment and monitoring. What We’re Looking For Strong production experience with React , TypeScript and Next.js . Excellent skills in HTML5 , CSS3 , and modern JavaScript (ES6+). Proven experience with state‐management libraries (e.g., Redux, Zustand). Solid experience integrating front‐end apps with RESTful APIs, (GraphQL is a bonus). More ❯

and help take ownership of features from conception to deployment and monitoring. What We’re Looking For Strong production experience with React , TypeScript and Next.js . Excellent skills in HTML5 , CSS3 , and modern JavaScript (ES6+). Proven experience with state‐management libraries (e.g., Redux, Zustand). Solid experience integrating front‐end apps with RESTful APIs, (GraphQL is a bonus). More ❯

junior developers, and contributing to technical discussions. Essential Experience: 3-6 years of experience in frontend development, ideally in a product-driven environment. Strong proficiency with React.js, JavaScript (ES6+), HTML5, and CSS3/SASS. Experience with state management tools (Redux, Zustand, Recoil, or Context API). Solid understanding of UI/UX principles, design systems, and responsive design. Experience collaborating More ❯

experience Minimum of 8 years experience building products Software development experience working with the following: .NET 8+ ; SQL or NoSQL databases (SQL Server or MongoDB preferred); Front-end technologies ( HTML5, CSS, Javascript frameworks – Angular 18+ preferred); Cloud services ( Azure preferred); Containerisation; Infrastructure-as-code ( Azure Bicep preferred); Kubernetes preferred; Familiar with Generative AI prompt-based development acceleration/research; Experience More ❯

Experience: Strong experience with .NET WebForms (pages, controls, lifecycle) and ASP.NET MVC/Razor views. Proficiency in React (ideally TypeScript) including components, hooks, and state management. Deep understanding of HTML5, CSS3, modern JavaScript/TypeScript, responsive design, and browser behaviour. Hands-on experience with accessibility standards (WCAG), semantic markup, and ARIA. Knowledge of performance tuning techniques including lazy loading, code More ❯

for observability and performance . Collaborate with product, platform, and security teams to meet operational and compliance requirements. The toolkit you’ll use Frontend: TypeScript, React.js, Vite, Material-UI, HTML5, CSS Backend: Node.js, Express.js (nice-to-have: C#/.NET, Python/Django) APIs & Data: REST/JSON, SQL, PostgreSQL/Postgres , databases DevOps: CI/CD, Docker , containerisation, Ubuntu More ❯

for observability and performance . Collaborate with product, platform, and security teams to meet operational and compliance requirements. The toolkit you’ll use Frontend: TypeScript, React.js, Vite, Material-UI, HTML5, CSS Backend: Node.js, Express.js (nice-to-have: C#/.NET, Python/Django) APIs & Data: REST/JSON, SQL, PostgreSQL/Postgres , databases DevOps: CI/CD, Docker , containerisation, Ubuntu More ❯

focus on React JS, this is essential. UI/UX development experience, with a keen eye for design and usability. Extensive knowledge of front-end technologies including HTML/HTML5, XML, DHTML, CSS/CSS3, SASS, LESS, JavaScript, React JS, Redux, Flex, jQuery, JSON, Bootstrap. Strong proficiency in JavaScript fundamentals, including object models, DOM manipulation, event handling, data structures, algorithms More ❯