Mobile App Security Engineer - Pen Testing & Modeling

Amazon Inc.; United States; Remote; USD 159,000 - 202,000; Full time

Job summary

Amazon.com Services LLC is seeking a Mobile Security Engineer for its Stores Application Security Team. You will test mobile apps and services to uncover security flaws and report findings to internal teams, blending technical rigor with leadership.

The role spans from hands-on testing to influencing fixes with senior stakeholders, leveraging a broad security toolkit and strong customer-obsessed mindset to protect Amazon customers.

Qualifications

• Bachelor's degree in CS or equivalent.
• 3+ years in penetration testing or offensive security.
• 3+ years in client-side application security including reverse engineering.
• 3+ years with security engineering practices (web security, authentication, cryptography, automation).
• 3+ years with dynamic and manual code auditing.

Responsibilities

• Conduct high-quality application penetration tests independently or as part of a team.
• Create detailed engagement plans and document findings, gaps, and remediation recommendations.
• Contribute to team tooling, innovation, and improvements.
• Communicate and collaborate with partner teams, service owners, Information Security, and senior leadership to drive remediation.

Skills

Penetration testing

Client-side security

Security engineering

Code auditing

Programming languages

Threat modeling

Binary analysis tools

Dynamic testing tools

Education

Bachelor's degree in CS

Tools

Ghidra

IDA Pro

Radare2

Hopper

Jadx

Frida

Objection

LLDB

Burp Suite

Job description

Amazon.com Services LLC is seeking a Mobile Security Engineer for its Stores Application Security Team. You will test mobile apps and services to uncover security flaws and report findings to internal teams, blending technical rigor with leadership.

The role spans from hands-on testing to influencing fixes with senior stakeholders, leveraging a broad security toolkit and strong customer-obsessed mindset to protect Amazon customers.