VEM Full Stack Engineer (m/f/d), Barcelona

VEM Full Stack Engineer (m/f/d)

Schwarz Digits creates the technological foundation for digital sovereignty in Europe. As the IT and digital division of the Schwarz Group, we develop and manage the IT infrastructures for the retail divisions Lidl and Kaufland, as well as Schwarz Production and PreZero. At the same time, we operate as an independent provider in the external market to support companies across Europe in their digital transformation. We bundle our core services in the areas of Cloud, Cyber Security, Data AI, Communication, and Workspace.

Join us and contribute to digital sovereignty in Europe. With us, you will work at the intersection of agility and security: You will benefit from fast decision-making processes, enjoy genuine creative freedom in your projects, and be able to build upon the stable foundation of the Schwarz Group.

Your Tasks

Design and develop features across the full stack, from React-based UIs to Python FastAPI backend services

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 within your scope

Ensure code quality through testing and code review

Support QA processes across unit, integration, and end-to-end test layers

Work in an Agile environment with cross-functional teams across Germany and Spain

Your Profile

3-5 years of experience in Full Stack Software Development

Strong proficiency in React (frontend) and Python with FastAPI (backend) both are 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 on assigned features

Strong English communication skills and ability to work in a collaborative, international environment

Experience working in Agile environments

Nice to have : Exposure to cloud infrastructure (AWS, Azure, or GCP)

Nice to have : Familiarity with containerization (Docker) Kubernetes a plus

Nice to have : Cybersecurity knowledge, particularly Vulnerability Management or Exposure Analysis

Nice to have : Experience with Neo4j or other graph databases

We look forward to receiving your application.

React, Python, FastAPI, RESTful, APIs, SQL, MongoDB,