Mobile Security Engineer investigating and preventing sophisticated mobile fraud and attacks. Design and operate systems across Android and iOS for security and data analysis.
Responsibilities
This is a pivotal senior role placing you on the front lines of protecting millions of users from sophisticated mobile fraud and adversarial attacks.
As a Mobile Security Engineer (Forensics), you will design, build, and operate systems that investigate and attribute malicious activity across Android and iOS.
You will work across the full forensic lifecycle—from secure on-device signal collection and evidence preservation to large-scale analysis, attacker behavior reconstruction, and incident response.
Operating at the intersection of mobile engineering, security, and data, you will uncover emerging fraud and spoofing techniques, strengthen detection systems, and help protect users at scale.
Requirements
Deep passion for investigating security incidents, hunting attackers, and uncovering sophisticated fraud, spoofing, and abuse patterns, with a strong curiosity for understanding how adversaries operate and evade defenses.
4+ years of progressive, hands-on experience in security, forensics, or offensive security, with a proven track record of delivering high-impact security solutions.
Bachelor's degree in Security Engineering, Computer Science, or Computer Engineering is required; advanced technical degree is a plus.
Demonstrated expertise and practical application of data analysis (SQL, data modeling, feature extraction) in security investigations.
Familiarity with data science concepts and the role of ML in detection systems
Strong English communication skills, with the ability to clearly document findings and explain technical investigations to both technical and non-technical audiences.
Benefits
Hybrid working mode & Modern office at a prime location in District 1
Professional development budget to support your growth
20 annual leave days, 5 sick leave days
Premium health insurance (Bao Viet or Liberty)
Social, unemployment, and health insurance contributions based on full salary
Competitive salary package, 100% salary during the probation period
Attractive bonuses (13th month, business performance, equity plans)
Annual salary performance review
Free parking
Annual company trip & Year-end party
Quarterly team-building activities
In-office snacks and drinks (snacks, coffee, juice, milk, etc.)
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