security tester

1 day ago

Ho Chi Minh City, Ho Chi Minh, Vietnam MATCHUPFAST Full time

Responsibilities:

● Conduct deep, hands-on penetration testing across multiple environments: Web Applications, Mobile Apps (iOS/Android), API, Cloud Infrastructure (AWS/GCP), and complex internal systems.

● Attack the "spine" of modern applications: API, authentication flows, and IAM systems, where the most impactful vulnerabilities live.

● Your mission is not just to find bugs — but to chain multiple vulnerabilities into high-impact attack scenarios.

● Transform small issues into major risks (e.g., using a basic XSS → steal tokens → escalate to admin → full system compromise).

● Present risk in a clear, realistic, and convincing way through evidence-based demonstrations.

● Produce sharply written reports with detailed attack scenarios and practical remediation steps.

● Provide recommendations that are realistic, actionable, and aligned with the system's architecture.

● Help strengthen the organization's security resilience and defense mechanisms.

● Perform additional tasks as assigned by the Line Manager.

Requirements:

● Minimum 3 years of hands-on penetration testing experience.

● Web Application Security: Deep understanding of OWASP Top 10 and advanced vulnerabilities such as Blind Injections, Insecure Deserialization, Business Logic Flaws, SSRF, and API/GraphQL security issues.

● Mobile Security (iOS/Android): Skilled in static and dynamic analysis (Frida, MobSF), understanding risks from insecure storage, network communication, and reverse-engineering defenses.

● Cloud Security (AWS/GCP): Strong knowledge of misconfigurations, overly permissive IAM roles, exposed storage buckets, and cloud privilege escalation.

● Tools & Scripting: Burp Suite Pro. Ability to create your own tools or exploits using Python, Bash, or PowerShell.

● Hacker Mindset: Ability to chain multiple issues into a meaningful, high-damage attack.

Nice to have:

● Experience solving security challenges in the Gaming industry (client, server, anti-cheat) — huge advantage.

● Strong technical certifications, such as OSWE (Offsec), CWES/CWEE (HTB), PWPE/PMPA (TCM), CMSE (8ksec), ASCP (APISec), GMOB/GWAPT/GCPN (GIAC).

● Impressive bug bounty achievements (HackerOne, Bugcrowd) or having your own CVE(s). Experience with exploit development, fuzzing, or building internal security tools.

To apply for the job, please send your updated CV to:

Email:

or contact via phone number/zalo

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