Blog

How we decomposed a decades-old monolithic application into focused services — without derailing ongoing project delivery.

• Architecture
• Engineering Leadership
• Legacy Systems
• Spring Boot

When merging frontend teams, the hardest part isn't the tech stack — it's getting teams to actually want to make it work.

• Frontend
• Engineering Leadership
• Micro-Frontends
• Change Management

How we built a shared design system for all IONOS customer frontends — and what it took to make UX and engineering actually share ownership of it.

• Design Systems
• Frontend
• Engineering Leadership
• Web Components

Five rules for writing JavaScript that runs safely inside someone else's website — learned from building integrations at 1&1.

• JavaScript
• Frontend
• Web Development