1 to 25 of 172 Permanent CSS3 Jobs in the UK

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 implement More ❯

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 DevOps More ❯

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 (AWS More ❯

automation, measurement, and observability to support continuous improvement. Promote high-quality documentation and clear communication across engineering and product teams. Experience & Technical Skills Frontend Development Advanced proficiency in HTML5, CSS3, TypeScript, and modern JavaScript (ES6+). Deep experience with the React ecosystem (React, Redux, React Query, GraphQL). Strong understanding of responsive design, cross-browser compatibility, and frameworks such as More ❯

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. Backend More ❯

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 with designers More ❯

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, and JSX. Current experience with More ❯

Azure Cloud Services (Service Bus, Queues, Message Broadcasting). Experience building RESTful APIs using ASP.NET Web API. Proficiency with front-end technologies: JavaScript/TypeScript, Angular or AngularJS, HTML5, CSS3/SASS. Familiarity with source control systems (Git/TFVC) and Azure DevOps. Understanding of unit testing frameworks (MSTest, NUnit) and mocking techniques. Experience working within an Agile/Scrum More ❯

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 of More ❯

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). Experience More ❯

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). Experience More ❯

build and maintain polished, responsive user interfaces Experience with REST APIs and modern web frameworks, such as FastAPI Practical experience with PostgreSQL or similar relational databases Proficiency with HTML5, CSS3, and modern frontend build tools Strong Linux and Git skills Desirable skills: AWS or cloud platform experience WebSocket and real-time data handling DevOps tooling (Docker, Kubernetes, Ansible) Data science More ❯

build and maintain polished, responsive user interfaces Experience with REST APIs and modern web frameworks, such as FastAPI Practical experience with PostgreSQL or similar relational databases Proficiency with HTML5, CSS3, and modern frontend build tools Strong Linux and Git skills Desirable skills: AWS or cloud platform experience WebSocket and real-time data handling DevOps tooling (Docker, Kubernetes, Ansible) Data science More ❯

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 writing More ❯

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. Mentor More ❯

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 SEO More ❯

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 SEO More ❯

current with modern frontend practices and the evolving React ecosystem What you'll bring 2+ years of professional experience in frontend development Strong proficiency in JavaScript (ES6+), HTML5 and CSS3 Solid experience with React.js, including Hooks and Context Familiarity with Redux, React Router or similar state management tools Experience with RESTful APIs and TypeScript Knowledge of modern build tools such More ❯

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.) Nice More ❯

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 Strong More ❯

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 Strong More ❯

Redux). Strong proficiency in React.js Frameworks (such as Next.js). Introducing the RESTful API. Knowledge of modern authorisation mechanisms (such as OAuth, JSON Web). Experience with HTML5, CSS3, SCSS, Styled Components Familiarity with modern front-end pipelines and build tools (such as Webpack, Babel, NPM, etc). Ability to understand business requirements and translate them into technical requirements. More ❯

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 in More ❯

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 Agile More ❯

of the SharePoint Platform and core feature set, and working knowledge of SharePoint Services; BCS, Search, Excel, etc. Knowledge of C# & SQL programming (e.g. TSQL) advantageous Knowledge of HTML, CSS3, JavaScript, jQuery, and Source control methodologies and principles advantageous Knowledge of React, Angular, or other JS frameworks advantageous. Familiarity with MVC framework, working knowledge of common architectural patterns, and Agile More ❯