OverviewAs a key member of Schwarz Digits, you will shape end-to-end features spanning backend services and mobile interfaces. You'll leverage React Native with TypeScript to build fluid cross-device experiences, while designing robust RESTful APIs in . NET. Working directly with product design and data analysis, you drive quality through tests and iterative delivery. This role sits at the intersection of agility and security, contributing to Europe's digital sovereignty through scalable, high-impact software. ResponsabilidadesOwn end-to-end feature development from business logic to mobile UI Develop and evolve mobile screens using React Native and TypeScript Design, implement, and maintain RESTful APIs and backend services in . NET (C#) Ensure code quality with unit, integration,



and E2E tests Collaborate directly with Product Designer and Product Data Analyst Break down epics into small deliveries with feature flags Participate in code reviews with frontend and backend teams Requisitos principales3–4 years of production-grade mobile development with React Native and TypeScript Hands-on experience designing and integrating RESTful APIs and backend services (C# / .
NET) Experience with unit and integration testing (Jest, xUnit/NUnit) Strong reasoning for pragmatic, value-driven architecture Effective technical communication and debate Assertive technical communication Constructive, empathetic collaboration Strategic decision-making with data-driven rationale React Native TypeScript C# / . NET

📌 Fullstack Developer (Barcelona)
🏢 Schwarz Gruppe
📍 Barcelona