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Rolf Beab
Founder & Lead ArchitectCologne, DE

Rolf Beab

Three decades of building software for the German mid-market. Now turning Domain-Driven Design from a concept that teams understand into a system they can actually sustain.

LinkedInrolf@headgent.com

Focus Areas

  • Domain-Driven Design
  • Bounded Contexts
  • Event Sourcing
  • Schema-Driven Development
  • API-First Design
  • Legacy Migration
  • Symfony
  • Code Generation
  • Engineering Leadership
  • PHP
  • Hexagonal Architecture
  • CQRS
  • Event-Driven Architecture
  • Software Architecture
  • Mid-Market B2B Software

Recent posts

Product · May 28, 2026

Why we are building Jardis

Complex software runs on CRUD for decades and fails. Domain-Driven Design was the answer, but too laborious to implement. That is why I build Jardis.

Read article11 min read
Architecture · May 26, 2026

The missing layer: What happens between controller and business logic

Every complex PHP project starts with weeks of foundation work between framework and business logic. Why that gap exists, and why it does not have to.

Read article10 min read
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