Alexander Niebuhr
Chief Executive Officer at craftlions
Lübeck, Schleswig-Holstein, Germany
Summary
🤩
Rockstar🎓
Top SchoolAlexander Niebuhr is a pragmatic engineering leader and founder with seven years of hands-on experience building scalable backend systems, platform tooling, and edge-deployed services from idea to production. As CEO of CraftLions he blends strategic product thinking with deep technical execution, having previously driven platform improvements at Glassnode that boosted portfolio capacity by 50% and engineered cost- and time-saving infrastructure shifts at Fricke Holding. He ships end-to-end solutions—databases, CI/CD, cloud infrastructure, and developer workflows—while mentoring teams and formalizing best practices that measurably increased team effectiveness. Alexander is also an active open-source contributor, notably improving Cloudflare SSR support and local runtimes for the popular Astro web framework, reflecting a focus on real-world developer ergonomics. Based in Lübeck, Germany, he pairs algorithmic rigor (optimizing O(n) to O(1) in production) with practical business outcomes, making him a founder-engineer who turns technical optimizations into revenue and operational gains.
7 years of coding experience
7 years of employment as a software developer
Mittlerer Schulabschluss (GCSE O-levels) Physics, Mittlerer Schulabschluss (GCSE O-levels) Physics at Leibniz-Gymnasium Bad SchwartauNCEA lvl. 1 & 2 Physics & Mathematics, NCEA lvl. 1 & 2 Physics & Mathematics at Awatapu College - Palmerston NorthAbitur (GCE A-levels) Business informatics & Mathematics, Abitur (GCE A-levels) Business informatics & Mathematics at Friedrich-List-Schule Lübeck
English, French, Spanish, German
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (7)
typescript10
javascript10
cloudflare10
typescripts10
typescript-types10
vite9
nodejs9
Programming languages (17)
Github contributions (5)
withastro/astro
Jun 2021 - Mar 2025
The web framework for content-driven websites. ⭐️ Star to support our work!
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:154 reviews, 67 PRs, 248 pushes in 3 years 9 months
Contributions summary:Alexander contributed to the Cloudflare integration for the Astro framework. Their work focused on adding support for splitting SSR bundles, which involved modifying core integration files and test files related to the Cloudflare adapter. The user also worked on enhancing the runtime environment for Cloudflare deployments, including the addition of environmental variables and the implementation of a local runtime for development. This work required modifications to the core framework files and tests.
islandisland-architectureastrobrowserfaster
astrolicious/dotdev
Mar 2024 - Sep 2024
Official Astrolicious Website
Contributions:31 reviews, 89 PRs, 171 pushes in 6 months
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