> Markdown version of [/jobs/ext/3234044-frontend-developer](https://www.wearedevelopers.com/jobs/ext/3234044-frontend-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Frontend Developer - **Company:** SThree Plc - **Location:** London, UK - **Salary:** £130,000.0 - £182,000.0 - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Application Performance Management, HTML5, Microsoft Azure, Browser Compatibility, Cascading Style Sheets (CSS), Cloud Computing, Software Quality, Code Review, Continuous Integration, Design of User Interfaces, Package Management Systems, Responsive Web Design, Web Content Accessibility Guidelines, Web Application Frameworks, Web Platforms, Test-Driven Development (TDD), ReactJS, Delivery Pipeline, Backend, Git, Containerization, Kubernetes, Information Technology, Performance Monitor, Build Tools, Front End Software Development, Api Design, Es2015, Software Version Control, Docker, Microservices - **Published:** September 17, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=b2b886561b6ea090 ## About the Role Most roles of this type require the following: * Bachelor's degree in Computer Science or equivalent practical experience * Proven experience with React and modern JavaScript (ES6+), with working knowledge of frontend build tools and package management * Experience working with APIs and understanding of microservices architecture * Familiarity with version control systems (Git) and CI/CD workflows * Understanding of HTML5, CSS3 and responsive design principles * Problem-solving mindset and ability to work collaboratively within agile teams * Strong communication skills and attention to detail Nice-to-have experience could include: * Meta Front-End Developer Certificate, freeCodeCamp Front End Libraries, or Google Mobile Web Specialist certification * Experience with Azure, AWS or cloud-based deployment platforms * Knowledge of containerization (Docker) and orchestration (Kubernetes) * Experience with performance monitoring, accessibility standards (WCAG) and cross-browser compatibility * Familiarity with testing frameworks and test-driven development practices ## Description * Developing and maintaining responsive user interfaces using React and modern JavaScript frameworks * Building reusable components and implementing UI/UX designs from concept through to deployment * Working with APIs and microservices to integrate frontend applications with backend systems * Contributing to code quality through testing, code reviews and adherence to best practices * Collaborating with backend engineers and cross-functional teams to deliver seamless user experiences * Participating in CI/CD pipelines and containerized deployment workflows using Docker and Kubernetes * Optimizing application performance and ensuring accessibility standards across web platforms