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José M. Matas Villavicencio
Developer
Deutschland
About
I’m a developer and former penetration tester with 3 years of experience breaking and securing complex systems. Now, I apply the same precision and eye for detail to clean up messy codebases improving structure, security, and maintainability.
Skills
React
Next.js
HTML/CSS
JavaScript
TypeScript
Tailwind CSS
Vite
Node.js
Python
FastAPI
Shadcn/ui
PHP
PostgreSQL
MySQL
Neo4j
Redis
Nginx
Apache
API Security
OpenAI API
Machine Learning
Penetration Testing
DevSecOps
Services
Sourcecode Review
I provide in-depth source code reviews at the level of a professional Cybersecurity Consultant. My focus is on identifying security flaws, logical weaknesses, and best-practice deviations to help you ship code that’s secure, efficient, and maintainable. Scope: Up to 5k LOC, 1–2 small modules, single-language projects, standard security audit.
$500003 days delivery