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Sina MatianInternational
Maintainer of GStack & GBrain · Independent Security Researcher · CS @ NYU. The terminals ahead house every flight in the schedule — pick a gate to board.
Airport
SMI
KSMI · INTL
PassengerSina Matian
From → ToKLAX → SMI
Gate · SeatA1 · 1A
StatusOn Time · Arrived
Sina Matian ✓
Maintainer of GStack & GBrain · 10+ Approved Bug Bounties
Open Source Maintainer · Independent Security Researcher · CS @ NYU
Los Angeles, California
About
Manifest · 02
Manifest · 02
Cybersecurity researcher, open-source maintainer, and founder. Maintainer of GStack (129K GitHub stars) and GBrain (29K stars) — 2nd-highest contributor to GBrain with 170 contributions. Founder of SeniorSupportAI.org and creator of the Tefillin Timer app used by thousands globally. Reverse engineering, ethical hacking, AI/ML, and full-stack — 10+ approved bug bounties at Hinge, Vibecodeapp, and Wix.
GStack Stars
129K
GBrain Stars
29K
Hackathon Wins
3
Bug Bounties
10+
Jerusalem Post
i24 News InterviewSkills · Stack
Reverse Engineering · Specialty
JS Application RE
Swift / iOS RE
API Tampering
Auth Bypass Research
Languages
JavaScript
TypeScript
Swift
Python
Go
SQL
Bash
Frameworks · Platforms
React
Next.js
Node.js
SwiftUI
UIKit
FastAPI
PostgreSQL
Supabase
Security · Tooling
Burp Suite
Frida
mitmproxy
Charles
IDA / Ghidra
HackerOne
E · Terminal E
01/05
Education
Terminal E · Learning Concourse
04 Flights
New York University
Bachelor of Arts
·
Computer Science
·
College of Arts & Science
Santa Monica College
Computer Science
·
4.0 GPA
Los Angeles Pierce College
Computer Science
·
4.0 GPA
Calabasas High School
AP Computer Science A & Principles
X · Terminal X
02/05
Experience
Terminal X · Career Concourse
05 Flights
GStack & GBrain
Maintainer
·
129K + 29K Stars
·
2nd on GBrain · 170 Contributions
Tefillin Timer
Founder
·
iOS App
·
30K+ Daily Active Users
S
Senior Support AI · org
Founder
·
Nonprofit
·
10+ Centers
Independent Security Researcher
Self-Employed
·
10+ Approved Disclosures
Webutation, Inc
Software Engineer Intern
·
Lead Dev on MVP
C · Checkpoint C
03/05
Responsible Disclosures
Checkpoint C · Security Wing
03 Flights
Hinge
Paywall Bypass
·
Full Writeup
Wix · com
IDOR
·
User-Scoped Data Exposure
Vibecodeapp
SSH Auth Bypass
·
Critical Severity
A · Awards
04/05
Hackathon Wins
Trophy Hall · Awards Wing
03 Flights
GStack × GBrain Hackathon
1st Place
·
Y Combinator
·
Live iPhone QA · $5K + YC Interview
Stanford Hackathon
Winner
·
GDG × Google × Red Bull
·
90+ Teams
Moss Hackathon
Winner
·
Moss × Y Combinator
·
Computer-Use for iPhones
D · Duty-Free
05/05
Other Experience
Duty-Free · Casual Roles
02 Flights
Starbucks
Barista
·
Full-Time
Sloan’s Ice Cream LLC
Food Vendor
·
Part-Time
◷ Languages
Fluent English · Conversational Hebrew
⌖ Activities
Level 10 Competitive Gymnast · Varsity Wrestler
Manifest © Sina Matian Intl · 2025
CLEARED FOR APPROACH
Document v3.0 · KSMI