> Markdown version of [/jobs/ext/3439022-stackit-platform-services-mailout-software-engineer](https://www.wearedevelopers.com/jobs/ext/3439022-stackit-platform-services-mailout-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 Platform Services - MailOut - Software Engineer - **Company:** Schwarz Corporate Solutions - **Location:** Barcelona, Spain - **Contract:** Permanent contract - **Skills:** Continuous Integration, Cloud Services, Software Engineering, Kubernetes, Restful APIs, Terraform, Docker - **Published:** September 23, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=4ea2a3155995196a ## About the Role * You have deep enthusiasm for Software Engineering and implementing new technologies in practice * You bring solid experience in software development with Go, ideally at scale in productive use * You have experience with Kubernetes and understand concepts like Operators, CRDs, or Multi-Tenant-Architectures. You are comfortable in modern cloud environments * You work routinely with tools like Docker, ArgoCD, Helm, or Terraform * You bring a high quality awareness and purposefully use Testing, CI/CD, and Monitoring to secure your software * You enjoy teamwork in an agile setup and are excited about sharing knowledge and taking responsibility ## Description 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., * You develop a Cloud Service based on KumoMTA for flexible, scalable, and data-sovereign transactional email service in the cloud * You get there by creating scalable backend services in proficient Go * You develop REST APIs with a focus on availability and stability * You develop Kubernetes Operators for automating the Cloud Service lifecycle * You take ownership for design, implementation, and operation: "You Build It - You Run It! * You work closely with fellow engineers in an agile product team as well as additional stakeholders responsible for the product