Maciej Trzos
Senior Software Engineer at Google
Zurich, Zurich, Switzerland
Summary
🤩
Rockstar🎓
Top SchoolMaciej Trzos is a Senior Software Engineer based in Zurich with 11 years of experience specializing in AI agent security, automated vulnerability management, and web security. At Google he has progressed from intern to senior engineer, leading work on automated vulnerability management and web security scanning and now focusing on securing AI agents. He brings practical secure-by-default thinking to production systems, exemplified by his contributions to the well-known go-safeweb project where he improved Content Security Policy, Trusted Types, and framing protections. Comfortable across backend systems and security tooling, Maciej blends hands-on engineering with threat-aware design to reduce attack surface at scale. Colleagues describe him as pragmatic and detail-oriented, with a track record of turning security research into deployable, test-covered features.
11 years of coding experience
6 years of employment as a software developer
Bachelor of Science (BSc), Computer Science, Bachelor of Science (BSc), Computer Science at University of Birmingham
Polish, English, German, Spanish
Stackoverflow
1reputation
0reached
1answer
0questions
Github Skills (11)
golang10
http-server10
security-hardening10
trusted-types10
go10
content-security-policy10
sec10
testing9
http9
angular-ui-grid6
angularjs6
Programming languages (4)
Github contributions (5)
google/go-safeweb
Mar 2021 - Jul 2021
Secure-by-default HTTP servers in Go.
Role in this project:
Backend Developer & Security Engineer
Backend Developer & Security EngineerContributions:57 reviews, 54 commits, 11 PRs in 4 months
Contributions summary:Maciej primarily focused on implementing and improving security features within the `go-safeweb` repository. Their contributions centered on the Content Security Policy (CSP), including adding Trusted Types policy, fixing integration tests related to CSP, and refactoring the framing policy. They also addressed code quality issues and improved the project's security posture through the application of secure-by-default HTTP server configurations. Additionally, the user enhanced the documentation with an example server to present TrustedTypes protection.
gohttp-serversecurity-hardeningsecuritygolang
google/security-crawl-maze
Jun 2019 - Jul 2022
Security Crawl Maze is a comprehensive testbed for web security crawlers. It contains pages representing many ways in which one can link resources from a valid HTML document.
Contributions:8 reviews, 13 commits, 5 PRs in 3 years 1 month
crawlerhtml-documentsecurityweb-security
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