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.
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, 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

📌 Fullstack Developer with Frontend (Cataluña)
🏢 Schwarz Gruppe
📍 Cataluña