Mid-Senior Cloud Network Developer (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.

The Impact You Will Create

As a STACKITEER in the STACKIT IaaS Products division, you'll architect and optimize cloud infrastructure with a team of passionate and skilled engineers. You'll implement foundational infrastructure components, design scalable backend services, and refine performance-critical systems that power our IaaS platform.

• Support the development of a high-performance and stable cloud platform based on OpenStack, with a focus on networking
• Contribute to opensource projects (e.g. Open vSwitch/OVN/Linux Kernel/Openstack) by developing cloud networking features, improving performance, and fixing bugs
• Conduct detailed troubleshooting and root cause analysis to identify sustainable solutions
• Ensure efficient automation and continuous optimization of technical process workflows
• Implement comprehensive observability through metrics, tracing, and structured logging for rapid debugging and performance analysis

Experience And Skills You Will Need

• You have solid experience with Linux and Containerization (Kubernetes, Docker), and keep up to date with new developments in these areas
• You have hands-on experience with Software Defined Networking technologies such as Open vSwitch/OVN and Calico
• You have strong problem-solving and troubleshooting skills, with a structured approach to diagnosing and resolving issues
• You have experience in programming and scripting, particularly in C/C++, Python, or Bash

• Comfortable in a fast-growing, dynamic environment, especially where processes are still developing
• You are a proactive team player and look for ways to drive growth for yourself and your team
• Effective communicator, with the ability to clearly express complex ideas in both written and verbal formats.

Our Offer

• 25 days annual leave + 1 day annual leave after 5 years in the company
• Meal tickets
• Additional health insurance
• A good work life balance with flexible working time
• A pleasant and diverse environment with regular events, team buildings and stimulating activities
• A huge array of tools & technologies available on the spot and ready for a steady personal development
• Variety of opportunities with one of the strongest and largest retail companies in the world
• You will be part of an international team composed of people from different countries and backgrounds
• Onboarding and support/mentoring