Mobile Game Security Engineer: Anti-Cheat & Anti-Tamper

Krafton; El Segundo (CA); On-site; USD 146,000 - 200,000; Full time

Job summary

KRAFTON Americas seeks a skilled security-focused developer to advance mobile Anti-Cheat and Anti-Tamper features for Android and iOS. You will analyze client-side threats, prototype protections, and collaborate with teams to harden game runtime environments.

Ideal candidates have 5+ years of C++ in security contexts, experience with native mobile clients, and knowledge of ARM, memory management, and debugging tools. Security-first mindset and cross-platform delivery are essential.

Qualifications

• 5+ years of experience with C++ software development and OO design.
• Experience in mobile Anti-Cheat/Anti-Tamper or client protection technologies.
• Strong understanding of memory management and multithreading.
• Experience developing native Android or iOS clients.
• Knowledge of mobile operating systems, runtimes, security practices.

Responsibilities

• Research and develop mobile Anti-Cheat and Anti-Tamper features for Android and iOS.
• Detect and respond to mobile game client security threats such as tampering, repackaging, hooking, debugging, rooting/jailbreaking, and automation tools.
• Analyze Android/iOS internals, runtimes, system calls, and security mechanisms.
• Design and implement features for memory/process protection, runtime environment verification, and unauthorized tool detection.
• Analyze new mobile cheat and attack techniques and research defensive technologies.
• Provide technical support to ensure KSS security features are reliably applied across mobile game environments.

Skills

C++

Mobile Anti-Cheat

Multithreading

Android/iOS native development

Security research

Tools

IDA

Ghidra

Frida

LLDB

Job description

KRAFTON Americas seeks a skilled security-focused developer to advance mobile Anti-Cheat and Anti-Tamper features for Android and iOS. You will analyze client-side threats, prototype protections, and collaborate with teams to harden game runtime environments.

Ideal candidates have 5+ years of C++ in security contexts, experience with native mobile clients, and knowledge of ARM, memory management, and debugging tools. Security-first mindset and cross-platform delivery are essential.