Lorenz Hofmann-Wellenhof – Medium

Lorenz Hofmann-Wellenhof

1.94K Followers

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👋 Start Here

Last Updated: 9.2.2025

Feb 9

👋 Start Here

Feb 9

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Level Up Coding

I Will Reject Your Pull Request If You Violate These Design Principles

4 Principles for Clean Code That Won’t Get Your PR Rejected

Jan 28

I Will Reject Your Pull Request If You Violate These Design Principles

Jan 28

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Published in
Level Up Coding

Follow These 6 Patterns or I Will Reject Your Pull Request

Get Your PRs Merged Faster! Lessons Learned from Reviewing 1,000+ PRs!

Aug 6, 2024

Follow These 6 Patterns or I Will Reject Your Pull Request

Aug 6, 2024

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Front-End Architecture Lessons from a $1.7 Billion GenAI Startup

Exploring Cresta’s Effective Strategies and Tools in Front-End Development

May 5, 2024

Front-End Architecture Lessons from a $1.7 Billion GenAI Startup

May 5, 2024

Published in
Level Up Coding

Instant PR Rejection If You Use useEffect Like This

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Mar 24

Instant PR Rejection If You Use useEffect Like This

Mar 24

Published in
Level Up Coding

5 GitHub Repos for Building Cool AI stuff

Good for everyday AI applications!

Mar 9

5 GitHub Repos for Building Cool AI stuff

Mar 9

Published in
Level Up Coding

Our Last Kubernetes Ingress Production Incident — Explained in 5 Minutes

This one setting in NGINX caused unexpected API failures — here’s why.

Mar 5

Our Last Kubernetes Ingress Production Incident — Explained in 5 Minutes

Mar 5

Published in
Level Up Coding

You Need to Know These 9 Production-Grade JavaScript Code Styles I’ve Picked Up From Work

Simple changes compound over time to create a cleaner code base.

Feb 21

You Need to Know These 9 Production-Grade JavaScript Code Styles I’ve Picked Up From Work

Feb 21

Published in
Level Up Coding

Give Me 5 Minutes and I’ll Explain Why You’re Splitting Functions Wrong

Everything You Need To Know On When To Split Functions For Clean Code

Feb 6

Give Me 5 Minutes and I’ll Explain Why You’re Splitting Functions Wrong

Feb 6

Published in
Level Up Coding

o1 vs. 4o: 4 Key Insights I Learned (and You Should Know Too!)

4 Simple Yet Powerful Takeaways

Jan 15

o1 vs. 4o: 4 Key Insights I Learned (and You Should Know Too!)

Jan 15

Lorenz Hofmann-Wellenhof

Lorenz Hofmann-Wellenhof

1.94K Followers

👨‍💻 Software Eng @ AI unicorn 🇺🇸 Sharing my lessons for non-stop growth in AI, coding, & life optimizations. I build things & put them on the Internet.

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