Rejah Rehim
Director & Founder at Beagle Security
San Francisco, California, United States
Summary
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Rockstar🎓
Top SchoolRejah Rehim is a cybersecurity entrepreneur and engineer with 13 years of experience building offensive security tools and running Beagle Security, a web application and API penetration testing platform used by over 1,800 customers in 144 countries. He combines hands-on full‑stack development and scripting expertise with open-source leadership as OWASP Kerala Chapter Lead and a core maintainer of the OWASP Web Security Testing Guide. Rejah has shipped practical tooling—authoring multiple security books and developing projects like SecureTea and the PenQ testing bundle—that bridge automated scanning, PDF/report generation, and maintainable code hygiene. His work often focuses on making complex security testing reproducible and auditable, from modular backend refactors to improving PDF builds and link parsing in large documentation projects. Based in Thiruvananthapuram, he pairs entrepreneurial drive with deep technical craft in Python, bash, and CSS for security-focused automation and tooling.
13 years of coding experience
8 years of employment as a software developer
Bachelor of Technology (B.Tech.) Electrical and Electronics Engineering, Bachelor of Technology (B.Tech.) Electrical and Electronics Engineering at Cochin University of Science and Technology
Stackoverflow
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0reached
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Github Skills (12)
css10
pdf-generation10
logging10
bash10
python10
twitter-api10
owasp9
html9
security8
intrusion-detection8
guideline7
penetration-testing7
Programming languages (10)
Github contributions (5)
OWASP/SecureTea-Project
Aug 2018 - Feb 2022
The OWASP SecureTea Project provides a one-stop security solution for various devices (personal computers / servers / IoT devices)
Role in this project:
Backend Developer
Backend DeveloperContributions:5 releases, 19 reviews, 270 commits in 3 years 6 months
Contributions summary:Rejah's primary contribution involved implementing a colored logger and modularizing the codebase by moving the twitter integration into a separate class. They also refactored the debug logic into the logger module, enhancing the project's maintainability. Furthermore, the user updated module names, demonstrating a focus on improving the project's structure and debugging capabilities.
webapplicationfirewallsecurity-toolssecuritystopiot-devices
OWASP/wstg
Jul 2019 - Dec 2022
The Web Security Testing Guide is a comprehensive Open Source guide to testing the security of web applications and web services.
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:32 reviews, 99 commits, 101 PRs in 3 years 5 months
Contributions summary:Rejah focused on enhancing the PDF build process within the Web Security Testing Guide repository. They implemented features such as PDF generation, bookmarking, and styling, while also fixing issues related to link parsing and formatting. The user demonstrated strong skills in scripting using bash, integrating Python for text manipulation, and modifying CSS for the PDF output. They also addressed bugs related to internal links, image formatting, and table designs within the generated PDF documents.
web-applicationssecurity-toolsapplication-securitybugbountysecurity
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