React Senior Developer

Location: Fully remote (any location) or hybrid (Berlin or Lisbon office). Permanent employment contract (Germany or Portugal) or contract-based collaboration. Company: German pharmacy marketplace founded in 2021, enabling users to order health products from multiple pharmacies with low prices and fast delivery. What you will do: — Develop and evolve frontend architecture for user-facing product areas — Build reliable, scalable, and maintainable web interfaces — Design client-side integrations with backend services and APIs — Improve product flows across key user journeys — Participate in product discussions, feature design, and experiment launches — Work closely with product managers, designers, QA, analysts, backend, and mobile developers — Maintain and improve code quality, performance, accessibility, and automated tests Requirements: — Strong experience with frontend development using JavaScript and TypeScript — Solid experience with React and modern frontend architecture — Experience with Next.js, SSR, and SPA architecture — Experience working with REST APIs and client-server applications — Experience with state management and data-fetching tools such as Redux, Effector, or React Query — Ability to design maintainable architecture and make pragmatic technical decisions — Product-oriented engineering mindset: understand user problems, think beyond implementation, contribute to product decisions Nice to have: — Experience with iOS or Android development — Interest in growing as a T-shaped engineer across web and mobile platforms — Professional use of AI coding tools such as Cursor, Claude Code, or similar — Ability to evaluate AI-assisted workflows Culture & Benefits: — Fully remote or hybrid format (Berlin or Lisbon office) — Permanent employment contract (Germany or Portugal) or contract-based collaboration (full-time) — Transparent growth framework with defined expectations and aligned goals — Agile, rapidly growing team using latest technology and AI in engineering workflows