Join Schwarz Digits – IT Hub of Europe's Largest Retail Group. We provide high‑value IT services for the entire Schwarz Group, which includes Lidl, Kaufland, Schwarz Produktion, PreZero, Schwarz Digits, STACKIT, and XMCyber. As part of a top‑five general retail company, we serve 6 billion customers through 14 200 stores in 32 countries, supported by over 595 000 employees.

We are looking for open‑minded colleagues with a passion for technology who are willing to find diverse and exciting career opportunities in a dynamic work environment that stands for development and progress. Elevate your career with us, where development and progress are at the heart of everything we do.

Your Tasks

Design and develop features across the full stack of the Vulnerability Management Platform, from React‑based user interfaces to Python FastAPI backend services

Build and maintain RESTful APIs and backend logic to support vulnerability ingestion, processing, and exposure workflows

Collaborate with the Data and Security Engineering teams to implement scalable, production‑grade features

Drive architecture design decisions and contribute actively to technical roadmap discussions

Ensure code quality through testing, code review, and mentoring of junior engineers

Own QA processes, including design and implementation of automated test suites across unit, integration, and end‑to‑end layers

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





Your Profile

5+ years of experience in Full Stack Software Development

Strong proficiency in React (frontend) and Python with FastAPI (backend) – both mandatory

Proven experience in QA and test automation – unit, integration, and E2E testing are expected

Proven experience designing, deploying, and maintaining infrastructure on at least one major cloud provider (AWS, Azure, or GCP)

Solid hands‑on experience with containerization and orchestration (Docker, Kubernetes) in production environments

Experience designing and consuming RESTful APIs at scale

Proficiency with relational (SQL) and non‑relational databases (MongoDB, Redis)

Demonstrated ability to make independent technical decisions and lead initiatives end‑to‑end

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

Experience working in Agile environments

Nice to Have

Cybersecurity knowledge or experience – particularly in Vulnerability Management or Exposure Analysis

Experience with Neo4j or other graph databases

Experience with message brokers such as RabbitMQ or similar (Kafka, Redis Streams)

Hands‑on experience with CI/CD pipelines – strong GitLab CI affinity is a significant plus

Familiarity with monitoring tools like Grafana or Azure Monitoring

Contribution to open‑source projects and a passion for continuous learning

📌 VEM Full Stack Engineer (m/f/d) (Madrid)
🏢 Schwarz Digits
📍 Madrid