> Markdown version of [/jobs/ext/1939189-stackit-developer-experience-container-registry-software-engineer](https://www.wearedevelopers.com/jobs/ext/1939189-stackit-developer-experience-container-registry-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Stackit Developer Experience - Container Registry - Software Engineer - **Company:** Schwarz Digits - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** Clean Code Principles, Multitier Architecture, Application Programming Interfaces (APIs), Artificial Intelligence, Cloud Computing, Code Review, Cyber Security, Distributed Systems, Prometheus, Grafana, Backend, Containerization, Kubernetes, Oracle Cloud Infrastructure, Docker - **Published:** August 5, 2026 - **Apply:** https://www.buscojobs.com.es/stackit-developer-experience-container-registry-software-engineer-m-f-d-en-madrid-ID-365520681 ## About the Role Strong experience in Go for backend or platform development Proficiency in building Docker images, understanding best practices for image size, caching layers, and security Solid knowledge of Kubernetes, including manifests, operators, deployments, services, and troubleshooting Good understanding of clean architecture, APIs, and distributed systems Ability to work collaboratively in a cross?functional engineering team Hands?on experience with container registry platforms, particularly Harbor, including its architecture, API, and customization options Knowledge of Helm, Kustomize or other Kubernetes packaging tools Experience with observability stacks (Prometheus, Grafana, OpenTelemetry) #J-*****-Ljbffr ## Description 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 TasksDesign, implement, and maintain backend services and tools using GoBuild, optimize, and troubleshoot Docker/OCI images and containerized applicationsWork with Kubernetes to deploy, monitor, and manage applicationsCollaborate with engineers and product team to define technical requirements and deliver high?quality solutionsWrite clean, maintainable code and participate in code reviewsYour ProfileStrong experience in Go for backend or platform developmentProficiency in building Docker images, understanding best practices for image size, caching layers, and securitySolid knowledge of Kubernetes, including manifests, operators, deployments, services, and troubleshootingGood understanding of clean architecture, APIs, and distributed systemsAbility to work collaboratively in a cross?functional engineering teamHands?on experience with container registry platforms, particularly Harbor, including its architecture, API, and customization optionsKnowledge of Helm, Kustomize or other Kubernetes packaging toolsExperience with observability stacks (Prometheus, Grafana, OpenTelemetry)#J-*****-Ljbffr ## Related Videos - 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