I build platforms, automation, and data/reporting systems. I like clean tooling, reliable pipelines, and practical solutions that scale.

• Based in Munich, Germany
• Building platforms that scale: automation, CI/CD, and data pipelines
• Hands-on across Python, Go, JS/TS, Swift, Bash, Terraform, Helm

Languages: Python, Go, Java, JavaScript/TypeScript, Swift, Bash
Frontend: React, Vite, TypeScript
Infra: Terraform, Helm, Kubernetes, Docker
DevOps: GitHub Actions, CI/CD, DevTools
Data: Pandas, ETL/reporting pipelines
Cloud: migrations, modernization, and platform hardening
Mainframe: z/OS integrations and legacy system interfaces
AI/LLMs: Applied LLM workflows and agentic tooling

• Multi-service product with backend services, React/Vite frontend, and tests
• Excel/OpenXML automation for table resizing and pivot refresh
• Crawling and extraction tooling with docs, scripts, and test suites
• Full-stack system with backend + React/Vite frontends
• Benchmarking harness with native extensions
• Multi-app console tooling and desktop/web surfaces
• Browser-based export tooling
• Token and identity utilities with backend services
• Infra-heavy automation using Terraform/Helm and Kubernetes manifests
• Reporting automation with scheduled pipelines
• API-driven reporting pipelines and infra modules
• Document processing tooling
• QA automation and test harnesses for platform workflows

• Scaling reporting and document automation (Excel/OpenXML + doc pipelines)
• Product and platform tooling (full-stack systems + console tooling)
• Reliability and infra automation (Terraform/Helm + K8s)
• Quality engineering and automated test harnesses

• Email: martin@klein.business
• LinkedIn: https://www.linkedin.com/in/martin-klein/