Projects

Things I've built.

• RechnungRadar

  Pre-validation & compliance checks for structured e-invoices (XRechnung/ZUGFeRD), designed to reduce manual clarification loops in Kanzlei and SME workflows.

  • Kotlin
  • Spring Boot 3 (REST API)
  • Spring events
  • PostgreSQL
  • Flyway
  • S3-compatible object storage / MinIO
  • Docker