Hadi Ranjbar
Bug Bounty Hunter at Bug Bounty Hunters
Shiraz, Fars Province, Iran
Summary
👤
Senior🎓
Top SchoolHadi Ranjbar is a cybersecurity specialist and full-stack developer with 11 years of software experience and over three years focused on penetration testing and bug hunting. He has a proven track record discovering critical vulnerabilities—including a full admin-panel takeover—and ranked #1 in Say Technologies’ public bug bounty program. As a founder and engineer, he built high-scale consumer apps (2M+ installs on CafeBazaar) and a microservices SaaS booking platform using Go and Angular, combining secure-by-design architecture with practical monetization. His hands-on expertise spans white-box and black-box testing, Broken Access Control, authentication/authorization flaws, and secure coding across web and mobile. Based in Shiraz, Iran, he blends entrepreneurial product instincts with offensive security skills, often approaching problems from both developer and adversary perspectives. He also donates his hobbyist coding and legal hacking efforts toward charitable causes.
11 years of coding experience
Diploma, Mathematics and physics, Diploma, Mathematics and physics at Shahid davoodi Pre-UniversityMaster of Science - MS, Computer Software Engineering, Master of Science - MS, Computer Software Engineering at Azad University (IAU)Diploma, Mathematics and physics, 1st and 2nd Grade, Diploma, Mathematics and physics, 1st and 2nd Grade at Ghazi azodadin eijiBachelor of Science (BS), Physics, Bachelor of Science (BS), Physics at Payame Noor UniversityDiploma, Mathematics and physics, 3nd Grade, Diploma, Mathematics and physics, 3nd Grade at Farhangian 2
English, Persian, German, Arabic
Stackoverflow
19reputation
169reached
0answers
2questions
Github Skills (64)
floatingactionbutton10
instagram10
materialdrawer10
instagram-api10
drawer10
android-development10
navigation-drawer10
android-library10
api10
android-ui10
nodejs10
java9
kotlin9
material-ui9
android9
Programming languages (9)
Github contributions (5)
ranjbarhadi/Instagram-API
Apr 2017 - Nov 2019
Instagram's private API
Contributions:6 pushes in 2 years 6 months
apiinstagramnodejsprivate-api
ranjbarhadi/inAppBillingForPersianAppStores
May 2017 - May 2017
Contributions:8 releases, 16 commits, 2 PRs in 7 days
javascript
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.