CV
Software engineer, 5 years of experience in backend and distributed systems.
Experience
Red Team Leader — Secuwall, UAE - Dubai
Nov 2025 – Present · Dubai City
- Lead a 4-member team delivering penetration testing and red teaming engagements.
- Develop AI-agentic automation and offensive security tooling (Google ADK, LiteLLM).
- Architect rule-based distributed scanning workflows that scale across large enterprise attack surfaces.
Senior Product Security Engineer — Coinhako, Singapore
Jul 2024 – Nov 2025 · Ho Chi Minh City
- Performed penetration testing focused on fintech and blockchain applications.
- Managed the HackerOne bug bounty program end to end (triage, validation, remediation tracking).
- Owned the vulnerability dashboard and reporting to the CISO.
- Supported security incident response.
Smart Contract Auditor - Verichains, a VNG subsidiary, Vietnam
Jan 2023 – Jul 2024 · Ho Chi Minh City
- Audited DeFi, GameFi, and centralized-exchange blockchain products for critical vulnerabilities.
- Reviewed smart contracts on Ethereum and EVM-compatible chains.
- Researched decentralized finance models and their associated security and economic risks.
Senior Application Security Engineer — Zion, a VNG subsidiary, Vietnam
Jun 2021 – Dec 2022 · Ho Chi Minh City
- Conducted secure code review for Java, Golang, and Ruby applications.
- Drove Secure SDLC and integrated SecOps tooling following a Shift-Left methodology.
- Built internal security solutions including API Inventory and Attack Surface Scanning.
Senior Penetration Tester — Viettel Cyber Security & Vin Cyber Security Services, Vietnam
Feb 2017 – Dec 2021 · Ho Chi Minh City
- Performed web application penetration testing across enterprise clients.
- Researched CVEs across Liferay, Laravel, ExpressJS, and Java Spring stacks.
- Ran red team engagements for government, airline, and real-estate customers.
Skills
| Group | Details |
|---|---|
| Languages | Go, Java, Python, TypeScript |
| Offensive Security | Web & API penetration testing, Red teaming, source-code review, vulnerability research |
| Interests | Distributed systems, observability, performance optimization |
Education
Vietnam Academy of Cryptography Techniques — B.Eng. in Information Security, 2014–2019.