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Hi, I'm Jan.
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I do cloudy full-stacked software engineering,
driven by a sunny smile of curiosity.

My primary areas of work are
  • cloud platform engineering
  • AI infrastructure engineering
  • e-commerce shops

I commonly take on roles at the senior or lead engineer level.

Feel free to contact me by email or phone.

EXPERTISE

I hold a Diploma in Computer Science (equivalent to a Master’s degree) and have over 20 years of professional experience in software engineering.

Over the years, I have taken on various roles, including engineer, architect, product owner, agile coach, founder, and managing director.

CERTIFICATION

  • Certified Scrum Product Owner (Scrum Alliance)
  • Running Lean by Ash Maurya
  • SAFe Agilist (Scaled Agile Academy)
  • Professional Scrum Master by Ken Schwaber (scrum.org)
  • Certified Professional for Requirements Engineering
  • Sun Certified Java Professional

HANDS-ON EXPERIENCE

Cloud native

Kubernetes ‧ Docker ‧ Podman ‧ Kustomize ‧ Helm ‧ Terraform ‧ Vault ‧ Istio ‧ Kafka ‧ ArgoCD ‧ Flux ‧ gRPC ‧ REST ‧ GraphQL ‧ Sprint Boot ‧ Node.js ‧ OpenShift ‧ Rancher ‧ k3d/k3s ‧ Jenkins ‧ Tekton ‧ Prometheus ‧ Grafana ‧ Grafana Loki ‧ Grafana Tempo ‧ Jaeger ‧ Kubernetes Operator

Programming languages

Golang ‧ Java ‧ C/C++ ‧ Swift ‧ JavaScript/TypeScript ‧ Python ‧ Shell-Scripting ‧ Objective-C ‧ Kotlin ‧ Ruby ‧ Smalltalk ‧ Lua

Databases

Postgres ‧ MongoDB ‧ MySQL ‧ Oracle

Cloud infrastructure provider

AWS ‧ Azure ‧ GCP ‧ Firebase ‧ Heroku ‧ Vercel ‧ Hetzner

Tooling

git ‧ GitLab ‧ GitHub ‧ Bitbucket ‧ JIRA ‧ Confluence ‧ Mattermost ‧ Google Workspace ‧ WebEx ‧ Zoom ‧ Microsoft Teams ‧ IntelliJ ‧ Goland ‧ Visual Studio Code ‧ nvim ‧ tmux ‧ Ansible

Practices

Clean Code ‧ TDD ‧ Design Pattern ‧ Domain-Driven Design ‧ DevOps ‧ SRE ‧ DevSecOps ‧ ZeroTrust ‧ GitOps ‧ Observability ‧ Agile ‧ Lean ‧ Scrum

Operating systems

Linux ‧ macOS ‧ Windows