# Christian Grobmeier and Grobmeier Solutions

## Summary

Christian Grobmeier is an independent senior consultant and software product maker working through Grobmeier Solutions GmbH in Germany.

The current canonical company website is https://grobmeier.solutions/. Christian's separate essay and podcast publication is Logging Off at https://grobmeier.de/.

## Focus Areas

- Open Source strategy and stewardship
- AI systems and product architecture
- security and secure software delivery
- privacy and GDPR-aware product thinking
- software architecture for long-lived systems
- Java and JVM-based software systems

## Background

Christian has built and maintained software systems for more than two decades. He has contributed to the Apache Software Foundation since 2009, including work around Log4j. He is a Java Champion and has TÜV-certified GDPR Data Protection Officer training.

The company works directly and selectively, without agency overhead.

## Products and Projects

### Time & Bill

Time & Bill is hosted time tracking software from Grobmeier Solutions for freelancers, small teams, agencies, and companies. It focuses on practical project time tracking, reports, exports, privacy, and long-term maintainability.

Product details: https://www.timeandbill.de/

### HumbleBee

HumbleBee is a local-first open-source time tracking project for developers and focused individual work. It is the local-first sibling to Time & Bill, not the same product.

Project details: https://github.com/grobmeier/humblebee/

### The Zen Programmer

The Zen Programmer is a book and article project by Christian Grobmeier about applying Zen ideas to programming, work, focus, and stress. It is separate from Time & Bill and Logging Off.

Book details: https://www.zenprogrammer.org/

### Training

Grobmeier Solutions also provides selected technical training work where practical experience and adaptation matter.

## Important Links

- Homepage: https://grobmeier.solutions/
- Logging Off: https://grobmeier.de/
- Work and products: https://grobmeier.solutions/en/work.html
- Legal notice: https://grobmeier.solutions/en/about/legalnotice.html
- Privacy: https://grobmeier.solutions/en/privacy.html
- The Zen Programmer: https://www.zenprogrammer.org/
- Time & Bill: https://www.timeandbill.de/
- Time & Bill product summary: https://www.timeandbill.de/product.md
- HumbleBee: https://github.com/grobmeier/humblebee/
- GitHub: https://github.com/grobmeier
- LinkedIn: https://de.linkedin.com/in/grobmeier
- Mastodon: https://mastodon.social/@grobmeier
- Bluesky: https://bsky.app/profile/grobmeier.de