Henry Steinhauer

What I've accomplished up to

2000

Featured Work

Backend systems, developer tooling, and shipped web products - built with reliability in mind.

OAuth 2.0 Provider (Go)

OAuth 2.0 provider prototype in Go exploring token issuance and scope-based access control.

  • Go
  • Gin
  • OAuth2
  • JWT
  • MongoDB
  • Docker
  • Modeled users, credentials, scopes, and resource access with clear domain boundaries
  • ERD and sequence diagrams documenting domain relationships and request flows
  • Dockerized setup for reproducible local development
GitHub Docs/Diagrams

CI Orchestrator (Go)

Build orchestration engine with a worker-based execution model and pluggable runner abstraction.

  • Go
  • Hexagonal Architecture
  • Concurrency
  • Worker model that claims and processes builds from a Postgres-backed queue
  • Streams build logs through domain events and a pluggable runner interface
  • Execution layer designed for isolation and deterministic testing
GitHub Docs/Diagrams

Recipe App (Go)

Structured Go backend service with layered architecture and relational persistence.

  • GO
  • POSTGRESQL
  • DOCKER/COMPOSE
  • GITHUB ACTIONS
  • Layered architecture with handlers, services, and repositories
  • PostgreSQL persistence with migrations and transactional consistency
  • Containerized development workflow with automated CI checks
GitHub

Coverage Badge CLI

CLI tool that generates coverage badges and automates README updates for CI pipelines.

  • TypeScript
  • CLI
  • Jest
  • Coverage
  • CI
  • Automation
  • Generates badges from coverage JSON summaries
  • Updates README placeholders via deterministic template injection
  • CI-friendly CLI; published to npm/yarn
GitHub npm yarn

My Highlights

Until today, there was a lot to try out, discover and implement. In the following, I have picked out and listed some key data.

Published Articles

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Contributions

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Repositories

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Core Stack

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What I've learned

Below are some of the programming languages and frameworks I've worked with this year. If you would like to know more, feel free to check out my GitHub page.

Intermediate

Go

Expert

Ruby

Intermediate

Podman

Intermediate

Kubernetes

Expert

TypeScript

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Impressum Design by
Johannes Zimmer
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