• arbeite mit E-Commerce Startups aus dem DACH-Raum • setze klar strukturierte und dokumentierte Tasks eigenständig um • berate Kunden und internes Team zur technischen Umsetzbarkeit • bringe aktiv Ideen und Lösungen ein • übernehme Ownership für deine Themen und bringe Verbesserungsvorschläge ein

• Design, build, test, and maintain scalable web applications using React, TypeScript, HTML, and CSS. • Translate product requirements and design specifications into intuitive, responsive, and accessible user interfaces. • Define and evolve frontend architecture, coding standards, reusable patterns, and engineering best practices. • Build and maintain reusable components, shared libraries, and design-system foundations. • Integrate frontend applications with RESTful APIs, GraphQL services, and other backend systems. • Improve application performance, reliability, security, and browser compatibility. • Monitor and optimize Core Web Vitals, page-load performance, bundle size, and runtime efficiency. • Write clean, well-documented, and maintainable code supported by appropriate unit, integration, and end-to-end tests. • Review code, identify technical risks, and provide constructive feedback to other engineers. • Diagnose and resolve production issues using logging, monitoring, analytics, and observability tools. • Collaborate with product, design, backend, quality assurance, security, and infrastructure teams throughout the software development lifecycle. • Break down complex initiatives into clear, achievable technical tasks and contribute to delivery planning and estimation. • Improve development workflows through automation, tooling, continuous integration, and continuous delivery. • Contribute to technical documentation, architectural decisions, and engineering knowledge-sharing sessions. • Mentor frontend engineers and help strengthen the team’s technical capabilities. • Evaluate emerging frontend technologies and introduce them where they provide measurable value.

Role Description Engaging expert Frontend Software Engineers to participate in a high-impact customer project, focusing on crafting exceptional user interfaces. In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters. - Interpret and translate component style guides and interface screenshots into precise, visually consistent UI deliverables. - Implement pixel-perfect, responsive web components using modern technologies such as Typescript and CSS3. - Ensure all UI elements adhere to established design systems and accessibility standards. - Collaborate asynchronously through clear documentation and constructive feedback within a remote-first environment. - Proactively identify, communicate, and resolve inconsistencies or ambiguities in design specifications. - Optimize UI performance across devices, focusing on fast load times and smooth interactions. - Contribute domain-specific expertise to guide the training and development of advanced AI models. Qualifications - Minimum of 3 years of professional experience delivering high-quality front-end solutions. - Proven proficiency with Typescript, CSS3, and responsive web design principles. - Demonstrated success in building pixel-perfect interfaces from detailed visual references. - Experience working with and extending component style guides and design systems. - Strong English communication skills. - Self-motivated and capable of delivering autonomously within distributed project environments. - Advanced degree (Master’s or PhD) in Computer Science or a related technical discipline is a plus.

• Create and deliver beautiful user experiences for our clients • Clarifying requirements and UI design in partnership with our Product and Design teams • Collaborate closely with designers to ensure a high level of UX polish and interaction quality in everything you build • Breaking down goals into achievable tasks and following sprint timelines effectively • Proactively communicating progress and challenges in your work • Learning fast and working independently and reliably • Following best practices in frontend development, including efficient component architecture, responsive design patterns, state management best practices, comprehensive unit/integration testing, and optimizing for performance and accessibility • Implement meaningful motion and microinteractions that enhance usability and delight • Technologies frequently worked with include: Next.js, React, Angular, Vue.js, Typescript/JS, CSS, Tailwind CSS, Material UI, Chakra UI, Shadcn, Figma, Redux, Zustand, Jotai, React Native/Expo, Progressive Web Apps (PWAs), REST APIs, GraphQL, WebSockets