OverviewJoin Schwarz Digits to build a data-sovereign cloud email service based on KumoMTA.
You will create scalable Go backends, REST APIs, and Kubernetes Operators to automate the service lifecycle.
You'll own design, implementation and operation in an agile product team.
This role blends agility with security to enable reliable, scalable cloud solutions that support Europe's digital sovereignty.
ResponsabilidadesDevelop a Cloud Service based on KumoMTA for versátil, scalable, data-sovereign transactional email in the cloud
Build scalable backend services in Go
Develop REST APIs with focus on availability and stability
Create Kubernetes Operators to automate the Cloud Service lifecycle
Own design, implementation and operation: You Build It - You Run It




Collaborate with engineers in an agile product team and stakeholders
Requisitos principalesExperience in software development with Go, ideally at scale
Experience with Kubernetes; familiarity with Operators, CRDs, multi-tenant architectures
Comfort in modern cloud environments
Proficient with Docker, ArgoCD, Helm, or Terraform
Strong emphasis on Testing, CI/CD, and Monitoring
Team player in an agile setup who takes responsibility
teamwork
knowledge sharing
responsibility
Go
Kubernetes
Operators

📌 Stackit Platform Services (España)
🏢 Schwarz Gruppe
📍 España