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 (España)
🏢 Schwarz Gruppe
📍 España