Mobile App Security Engineer — Pen-Test & Flexible Hours

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

Job summary

Amazon.com Services LLC is seeking a Mobile Security Engineer for the Stores Application Security Team to attack Amazon’s services and mobile applications, uncover security issues, and report findings to internal teams. You will lead and collaborate across Information Security and business verticals, shaping secure design and responses in a fast-paced, customer-obsessed environment.

The role emphasizes strong judgment on trade-offs, leadership, and passion for securing Amazon’s products and

Qualifications

• Bachelor's degree in computer science or equivalent.
• 3+ years of experience in a penetration testing or similar offensive security role.
• 3+ years of experience in client-side application security, including reverse engineering and security assessments.
• 3+ years of professional experience with security engineering practices, including: web application security, authentication and authorization protocols, cryptography, automation, and other software security disciplines.
• 3+ years of experience with dynamic and manual code auditing to identify security issues.
• 3+ years of experience with interpreted or compiled languages (e.g. Python, Ruby, C/C++, Java, .NET).
• Experience with threat modeling, design review, or other threat analysis techniques.
• Proficiency with binary analysis tools (e.g. Ghidra, IDA Pro, Radare2, Hopper, Jadx).
• Experience with client-side application instrumentation and dynamic testing (e.g. Frida, Objection, LLDB, Burp Suite).

Responsibilities

• Conducting high quality application penetration tests independently, or as part of a team.
• Creating detailed engagement plans and thoroughly documenting findings, gaps, and remediation recommendations.
• Contributing to team tooling, innovation, and improvements.
• Communicating and collaborating with partner teams, service owners, Information Security, and senior leadership to influence, prioritize, and drive the resolution of discovered security findings

Skills

Penetration testing

Client-side security

Threat modeling

Binary analysis

Dynamic testing

Education

Bachelor's degree in computer science or equivalent

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 the Stores Application Security Team to attack Amazon’s services and mobile applications, uncover security issues, and report findings to internal teams. You will lead and collaborate across Information Security and business verticals, shaping secure design and responses in a fast-paced, customer-obsessed environment.

The role emphasizes strong judgment on trade-offs, leadership, and passion for securing Amazon’s products and