Matías Lang
Python Developer at Trision
Argentina
Summary
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RockstarMatías Lang is a Python developer from Argentina with 14 years of experience building backend systems and security-focused tooling. As a core developer at Infobyte, he has driven backend improvements and database migrations for Faraday, an open-source collaborative pentesting platform. He also contributed security fixes and refactors to the well-known mitmproxy project, addressing command injection risks in export features. Comfortable across Django Rest Framework, Celery, Docker and full-stack workflows from his work at Trision, he blends pragmatic engineering with a security-first mindset. Known for cleaning up tricky backend logic and introducing safer templates and session handling, he thrives on making complex security tools more reliable and maintainable.
14 years of coding experience
Spanish, English
Stackoverflow
1reputation
98reached
0answers
1question
Github Skills (16)
http10
proxy10
mitmproxy10
python10
back-end-development10
security10
debug9
debugging9
testing8
curl8
pytest8
sqlalchemy8
html6
javascript6
jquery6
Programming languages (10)
Github contributions (5)
infobyte/faraday
Feb 2017 - Sep 2020
Role in this project:
Back-end Developer
Back-end DeveloperContributions:3 releases, 1323 commits, 5 PRs in 3 years 8 months
Contributions summary:Matías primarily worked on back-end improvements, addressing bugs and implementing features within the codebase. Their contributions included fixing hardcoded command durations and issues with command creation, as well as refactoring logic related to vulnerability handling and session management. They also introduced a new vulnerability template and worked on database migrations.
vulnerability-managementbugbountycvecollaborationvulnerability-scanners
mitmproxy/mitmproxy
Jan 2019 - Jan 2019
An interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers.
Role in this project:Back-end Developer & Security Engineer
Back-end Developer & Security EngineerContributions:5 commits, 1 PR, 4 comments in 1 day
Contributions summary:Matías's contributions focused on enhancing the security and functionality of the mitmproxy tool. They addressed command injection vulnerabilities in the export functionality, specifically for curl and httpie commands, by implementing proper escaping of user input. Further improvements included refactoring code for improved efficiency and fixing a flake8 warning. The user's work primarily revolved around Python and the mitmproxy codebase.
http-headerpythonsslproxyja3
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