Senior Security Engineer – iOS/Reverse Engineering

We are looking for a senior Mobile Security Engineer with strong experience in iOS & reverse engineering, application analysis, and security tooling to help assess and strengthen our own applications in authorised environments.

In this role, you will analyse application behaviour, API communication, authentication flows, session handling, and device-level signals. You will help us better understand abnormal usage patterns, improve detection logic, and strengthen the resilience of our systems against misuse and automated threats.

What you’ll do:

Perform static and dynamic analysis of iOS applications

Analyse API behaviour, authentication flows, and session management

Investigate device and behavioural signals linked to suspicious or abnormal activity

Build Python-based internal tools for testing, automation, and analysis

Work with Frida, Appium, and related frameworks in controlled environments

Support logging, analysis, and tooling with MongoDB and MySQL

What we’re looking for:

Senior experience in reverse engineering, iOS security research, or mobile application analysis

Strong understanding of APIs, authentication systems, device fingerprinting, and behavioural analysis

Experience with Python, automation tooling, cURL-based workflows, and interface development

Familiarity with Frida, Appium, MongoDB, and MySQL

Strong analytical mindset with attention to technical detail

Additional note:

This is a long-term role focused exclusively on improving the security, detection capabilities, and resilience of our own applications. All work is conducted in authorised, legal, and controlled environments.