Freelance Software Engineer
Martin Witczak
I build software, upgrade legacy systems, and solve complex technical problems. 10+ years of experience delivering real value.
Expertise
Full-stack Engineering
Architecture, Backend, Frontend
Legacy Modernization
Upgrading, Refactoring, Debugging, Maintenance
Cloud & Delivery
AWS, CI/CD, Infrastructure, Deployment, Security
Core Stack
TypeScript, Node.js, React, PostgreSQL, Codex, and Claude Code.
Staying at the cutting edge of technology, combining coding agents and modern patterns with industry-standard tools, allows me to deliver reliable results at scale.
Trusted By
Connect
For project inquiries or professional networking, the best way to get in touch is via my LinkedIn profile.
Connect on LinkedIn →Beyond Code
Photography
Capturing the landscapes, architecture, and atmosphere of the places I visit.