Senior Frontend Developer 💻

<p><strong>About the role<br></strong><span>Wrknest is looking for a Senior Frontend Developer on behalf of a global technology company with an established presence in Stockholm. The company develops advanced hardware and software solutions that make it easier for organizations to manage connected devices, networks and physical environments.</span></p><p><span>In this role, you will join a product-focused development team working on modern, highly interactive web applications. Your focus will be on creating responsive and intuitive user experiences using React and TypeScript, while also contributing to frontend architecture, code quality and technical decisions.</span></p><p><span>The role combines hands-on development with close collaboration across engineering, product and design. You will work with everything from reusable UI components and complex visualizations to AI-assisted development workflows, giving you the opportunity to influence both the product and how the team builds it.</span></p><p><span><strong>Your future responsibilities</strong></span></p><p><span>As a Senior Frontend Developer, you will take an active role throughout the development process. You will build new functionality, improve existing interfaces and help ensure that the frontend remains scalable, maintainable and performant as the product evolves.</span></p><p><span>Your responsibilities will include:</span></p><ul><li><p><span>Developing and maintaining modular and reusable React components</span></p></li><li><p><span>Building responsive and intuitive user interfaces</span></p></li><li><p><span>Collaborating with designers and product managers to improve UI and UX and shape new user flows</span></p></li><li><p><span>Developing scalable visualization components for device relationships, floorplans and system topologies</span></p></li><li><p><span>Writing and maintaining tests to ensure quality and reliability</span></p></li><li><p><span>Contributing to frontend architecture and participating in design and code reviews</span></p></li><li><p><span>Working with AI-assisted development workflows, including reusable AI skills, agent definitions and specifications</span></p></li><li><p><span>Reviewing and validating AI-generated code to ensure correctness and maintainability</span></p></li><li><p><span>Continuously improving frontend performance, responsiveness and development practices</span></p></li></ul><p><span><strong>About you</strong></span></p><p><span>To succeed in this role, you have solid professional experience in frontend development and are comfortable taking ownership of technically complex features.</span></p><p><span><strong>Requirements:</strong></span></p><ul><li><p><span>At least 5 years of professional experience in frontend development or a similar role</span></p></li><li><p><span>Strong proficiency in JavaScript and TypeScript</span></p></li><li><p><span>Extensive experience working with React</span></p></li><li><p><span>Strong understanding of programming principles, design patterns, modern web protocols and web security</span></p></li><li><p><span>Experience analysing and troubleshooting technical issues</span></p></li><li><p><span>A strong understanding of clean code, frontend performance and optimization</span></p></li><li><p><span>Experience integrating AI-assisted workflows into frontend development, such as code review, test generation or automation</span></p></li><li><p><span>Experience creating and maintaining executable specifications or living documentation alongside evolving code</span></p></li><li><p><span>Familiarity with Model Context Protocol, MCP, and connecting AI tooling with internal systems</span></p></li><li><p><span>Experience using AI-assisted code review as part of a development workflow</span></p></li></ul><p><span><strong>Nice to have:</strong></span></p><ul><li><p><span>Experience with Node.js, other programming languages or full-stack development</span></p></li><li><p><span>Experience with Redux, React-Redux or redux-saga</span></p></li><li><p><span>Experience with styled-components or similar styling solutions</span></p></li><li><p><span>Experience with Jest or other frontend testing frameworks</span></p></li><li><p><span>Experience working with multimedia such as video, audio or image optimization</span></p></li><li><p><span>Experience developing interfaces for networking, mobile or IoT products</span></p></li><li><p><span>Experience with visualization libraries for topology maps, hierarchical graphs or interactive layouts</span></p></li><li><p><span>Experience implementing interactive UI functionality such as zooming, panning, snapping or node-link editing</span></p></li></u