$ ls -la ~/experience
// About

Work Experience

Building systems that scale

Professional Experience

  1. Software Development Intern & Working Student

    itestra GmbH

    • Migrated ~12K LOC COBOL contract logic to Java/Quarkus, reducing codebase by 40%
    • Validated multi-stage batch workflows (JBeret, Panache, Hibernate) for consistent outputs

  2. Software Engineering Intern

    CHECK24 Vergleichsportal GmbH

    • Designed async ActiveMQ pipeline decoupling critical provider responses
    • Cut P95 latency to ~150ms at 1.5M events/day with new Grafana metrics

  3. Software Development Intern

    4process AG

    • Built internal idea portal with SAP Fiori Elements for structured proposals
    • Implemented Java tool for SAP Sales Cloud with >5k validated Excel updates/sec
// Stack

Skills & Tools

Java 3+ years
TypeScript 4+ years

Backend

  • Java
  • Spring Boot
  • Quarkus
  • JPA/Hibernate
  • Node.js
  • Python
  • SQL

Frontend

  • TypeScript
  • React
  • Next.js
  • SolidJS
  • Astro
  • Tailwind

Infrastructure

  • Docker
  • Kubernetes
  • Terraform
  • GitHub Actions
  • Grafana
  • PostgreSQL

Self-Hosted

  • NixOS
  • Proxmox
  • Traefik
  • WireGuard
  • Ansible

Languages

  • German (Native)

  • English (C1)

  • Latin