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Quan N. Security, Backend and General Development

My name is Quan N. and I have over 3 years of experience in the tech industry. I specialize in the following technologies: Penetration Testing, Application Security, Metasploit, Code Review, Security Analysis, etc.. I hold a degree in Bachelor's degree, , , , . Some of the notable projects I've worked on include: Data leak in Android applications (PDF+Video), Find Bug security on Website - Remote Code Execution server, Bypass security mechanisms when create new account., SecurityTesting for website - Wordpress, Network Segmentation Test, etc.. I am based in Hanoi, Vietnam. I've successfully completed 7 projects while developing at Softaims.

My expertise lies in deeply understanding and optimizing solution performance. I have a proven ability to profile systems, analyze data access methods, and implement caching strategies that dramatically reduce latency and improve responsiveness under load. I turn slow systems into high-speed performers.

I focus on writing highly efficient, clean, and well-documented code that minimizes resource consumption without sacrificing functionality. This dedication to efficiency is how I contribute measurable value to Softaims' clients by reducing infrastructure costs and improving user satisfaction.

I approach every project with a critical eye for potential bottlenecks, proactively designing systems that are efficient from the ground up. I am committed to delivering software that sets the standard for speed and reliability.

Main technologies

  • Security, Backend and General Development

    3 years

  • Penetration Testing

    1 Year

  • Application Security

    1 Year

  • Metasploit

    1 Year

Direct hire

Potentially possible

Previous Company

Freelancer

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Experience Highlights

Data leak in Android applications (PDF+Video)

Bypass Security Mechanisms - leak and craw Course Content (PDF + Video)

Find Bug security on Website - Remote Code Execution server

Penetration Testing based on OWASP standard. Try to test SQL injection, XSS, session fixation, open redirect, CSRF... Owning the Server, recheck for client when bug was fixed

Bypass security mechanisms when create new account.

Bypass security mechanisms when create new account. Create multiple accounts on 1 device.

SecurityTesting for website - Wordpress

Penetration Testing based on OWASP standard. Recheck for client when bug was fixed

Network Segmentation Test

Network Segmentation Test following PCI DSS Scan IP, port and finds vulnerabilities on running services.

Education

  • VNU University of Engineering and Technology

    Bachelor's degree in Information Technology

    2016-01-01-2020-01-01

  • Offensive Security Certified Professional (OSCP)

    in Ethical Hacker

  • CREST Registered Penetration Tester (CRT)

    in Penetration Tester

    2025-01-01-2028-01-01

  • CREST Practitioner Security Analyst (CPSA)

    in Penetration Tester

    2025-01-01-2028-01-01

  • Burp Suite Certified Practitioner

    in Penetration Tester

    2021-01-01-2027-01-01

Languages

  • English (Conversational)✓