<div class="show-more-less-html__markup show-more-less-html__markup--clamp-after-5 relative overflow-hidden"> We're partnering with a pioneering digital energy provider that’s revolutionising the energy landscape for a new generation. This innovative company delivers sustainable energy solutions to private households and businesses, offering individualised tariffs alongside lifestyle products through a leading-edge digital platform.<br/><br/>The Role<br/><br/><ul><li> Develop and maintain crucial customer journeys, including login, account management, billing, payments, and self-service features.</li><li> Build with Next.js/React and TypeScript using a component-oriented approach.</li><li> Design seamless web experiences for both desktop and mobile devices.</li><li> Integrate frontend applications with API-driven backends (GraphQL/REST).</li><li> Collaborate closely with UX/UI design, backend, QA, and platform teams in agile/scrum environments.</li><li> Contribute to frontend standards, testing strategies, and CI/CD quality processes.<br/><br/></li></ul>What You'll Need<br/><br/><ul><li> Proven experience in developing production-ready frontend applications with React/Next.js and TypeScript.</li><li> Strong foundational knowledge in frontend development: component architecture, performance optimisation, accessibility, and modern CSS.</li><li> Demonstrated AI-Native developer mindset, proficient in agent-driven workflows with tools like Claude Code, Cursor (Composer), or Windsurf (Cascade).</li><li> Experience with API-first platforms and authentication flows.</li><li> Pragmatic approach to testing and confident work within CI/CD driven teams.</li><li> Strong communication skills in both German and English, coupled with a distinct ownership mindset.<br/><br/></li></ul>What's On Offer<br/><br/><ul><li> A highly motivated team with flat hierarchies and direct communication channels.</li><li> A workplace in the heart of Cologne with hybrid work options.</li><li> Performance-based compensation and 30 days of annual leave.</li><li> Subsidies for public transport tickets and free parking.<br/><br/></li></ul>Apply via Haystack today!<br/><br/> </div>