Vem Full Stack Engineer (M/F/D) - Barcelona

In this role you design and develop features for the full stack, spanning React UIs and Python FastAPI backends, to support core platform workflows. You will build RESTful APIs, collaborate with Data and Security Engineering, and ensure high code quality through testing and reviews. You participate in Agile cross-functional teams across Germany and Spain and help advance QA processes. This is a hands-on opportunity to shape scalable software in a dynamic, international environment.

Por favor, asegúrese de leer completamente el resumen y los requisitos de esta oportunidad de empleo que se detallan a continuación.

• Design and develop features across the full stack (React UI + Python FastAPI backend)
• Build and maintain RESTful APIs supporting core platform workflows
• Collaborate with Data and Security Engineering teams on scalable feature delivery
• Contribute to technical discussions and implementation decisions
• Ensure code quality through testing and code reviews
• Support QA processes across unit, integration, and end-to-end tests
• Work in an Agile environment with cross-functional teams across Germany and Spain
• 3-5 years of experience in Full Stack Software Development
• Strong proficiency in React (frontend) and Python with FastAPI (backend) — must-haves
• Experience with QA and test automation (unit, integration, E2E)
• Experience designing and consuming RESTful APIs
• Working knowledge of relational (SQL) and non-relational databases (MongoDB, xqbhyrx Redis)
• Comfortable working both independently and collaboratively
• Strong English communication skills in an international environment
• Experience working in Agile environments
• Independent and collaborative work style
• Team-oriented in international environments
• React
• Python with FastAPI
• RESTful APIs

VEM Full Stack Engineer (m/f/d) - barcelona • barcelona, catalunya, es