(SENIOR) TEST ARCHITECT CLOUD INFRASTRUCTURE (GO/PYTHON)- STACKIT (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:

• Holistic Test Strategy: Design, implement, and govern a comprehensive testing strategy across all IaaS products encompassing unit, integration, stage/smoke, system, live system, acceptance, configuration, disaster & recovery, and performance testing.
• Infrastructure Test Engineering: Build robust, reusable automated test primitives and scaffolding specifically for OpenStack, Kubernetes, and distributed API backend/middleware.
• Automated Release Gating: Integrate automated test reporting deep into our development and release workflows. Ensure every code change is automatically attested, verified, and gated before it can be deployed to production.
• Shift-Left & CI/CD Optimization: Restructure test execution to shift testing earlier in the development lifecycle and dependency chain. Improve pipeline performance while maximizing meaningful code coverage.
• Reliability & Performance: Drive product quality by ensuring defects are caught before they reach staging, and validate the performance limits of our infrastructure components under load.

Experience and skills you will need:

• You have extensive, senior-level experience as a Test Architect, SDET, or Backend Engineer designing testing architectures for complex, highly distributed systems or cloud environments & infrastructure.
• Excellent programming skills in Golang and Python for building our test automation.
• Deep, hands-on expertise in testing backend systems, specifically targeting Linux, Kubernetes, OpenStack, and complex REST/gRPC APIs.
• Proven track record of defining overarching strategies that cover the full testing pyramid.
• Strong understanding of CI/CD methodologies, infrastructure-as-code, and building systems that can automatically attest to the safety and readiness of production deployments.

Our offer:

• An attractive remuneration package depending on your seniority.
• Variety of opportunities with one of the strongest and largest retail companies in the world.
• A huge array of tools & technologies available on the spot and ready for a steady personal development.
• Food vouchers, MultiSport card, additional health insurance, travel expenses and a modern office close to Paradise Mall.
• A good work-life balance with flexible working time & options for mobile work.
• A pleasant and diverse environment with regular events, team buildings and stimulating activities.

Your application will be reviewed in strict confidentiality. Only the approved candidates will be invited to an interview. Providing your personal data you explicitly agree that it will be processed for the purpose of recruiting and for the purpose of possible signing of a labour contract and will be stored and operated by “Schwarz Digits Bulgaria” EOOD and “Lidl Bulgaria EOOD and Co” KD in their capacity of personal data controller and personal data processor in accordance with the Bulgarian Data Protection Legislation and the General Data Protection Regulation 2016/679 (GDPR). Please have in mind that with this you give permission for your resume to be shared with other parties of the Schwarz Group.

Some are still thinking. You act.