Audit
A graded assessment of your .NET code, at a fixed price. From €1,800.
Audit, modernize and grow your .NET applications
Freelance .NET Tech Lead and trainer, 10+ years on critical applications. Fixed-price code audit from €1,800, published prices.
No commitment — response within 24–48 business hours.
Strengthen
A .NET Tech Lead in your team, fully remote.
Train
.NET training for your teams and for schools. Free courses in the Academy.
Sample report
A real Flash audit, published in full: Bonobo Git Server, an open source ASP.NET MVC 5 Git server.
- 6 grades
- 10 finding sheets
- 27 actions
Why work together?
- Critical legacy applications in banking.
- Modernization and migration without a full rewrite.
- AI hosted in Europe for audits.
- Published prices.
About
Nicolas Cousin is a freelance .NET Tech Lead and trainer based in Faumont, near Lille, France. For over 10 years, he has been evolving critical .NET applications, including banking applications of around 500,000 lines of code. He offers fixed-price .NET code audits, Tech Lead assignments and training.
Latest articles
On November 10, 2026, .NET 8 and .NET 9 stop receiving security patches. The recommended path: migrate to .NET 10 LTS, supported until November 2028.
Published on 4 November 2026
Codex and Claude Code on an Ubuntu VPS: pnpm PATH, a trusted ~/projects zone, Bubblewrap for Codex, and the Claude Code sandbox blocked by AppArmor.
Published on 3 November 2026
A checkpoint for the series: the local/cloud split that emerges after hardening, Docker/Ollama/Hermes, the CPU benchmark, and the lessons from background mode. Presented as a starting point, not a conclusion.
Published on 27 October 2026