Senior Lead Software Architect

Job Purpose


We are looking for an experienced Application Information Security professional with deep expertise in
securing mobile payment applications against advanced fraud threats. The ideal candidate should possess
strong technical knowledge of mobile application security, device binding, device fingerprinting, device
spoofing, emulator/root/jailbreak detection, anti-tampering techniques, and fraud prevention controls.
The individual will work closely with engineering, fraud risk, architecture, and product teams to design,
implement, and continuously improve security controls across digital payment applications.

Duties and Responsibilities


Key Responsibilities
Mobile Application Security

Define and implement security architecture for Android and iOS applications.

Perform security design reviews for new features and products.

Conduct threat modeling and identify attack vectors in payment journeys.

Recommend security controls aligned with industry best practices.
Device Binding Device Identity

Design and govern robust device binding mechanisms.

Evaluate device fingerprinting technologies and their effectiveness.

Develop strategies for:
o First-time device registration
o Device change detection
o Device re-binding
o Multi-device handling
o Trusted device lifecycle management

Improve resilience against device cloning and identity theft.
Device Spoofing Fraud Prevention
Must have extensive hands-on knowledge of detecting and preventing:

Device spoofing

Device cloning

Emulator detection

Virtual environment detection

Rooted device detection

Jailbreak detection

Magisk and root hiding techniques

Hooking frameworks (Frida, Xposed, Substrate)

Dynamic instrumentation attacks

Overlay attacks

Accessibility abuse

Screen sharing and remote control fraud

App cloning

Fake GPS attacks

Certificate bypass attacks

SSL pinning bypass

Reverse engineering

Runtime tampering

Bot-based attacks
Design effective controls to mitigate these threats.

Required Qualifications and Experience


Bachelor''s or Master''s degree in Computer Science, Information Security, or related field.

Professional certifications such as:
o Certified Information Systems Security Professional (CISSP)
o Certified Information Security Manager (CISM)
o Offensive Security Certified Professional (OSCP)
o GIAC Mobile Device Security Analyst (GMOB)
o Mobile Security certifications are an added advantage.
Desired Experience

79 years in Application Security or Product Security.

At least 45 years focused on mobile application security.

Experience securing high-scale digital payment or fintech applications.

Hands-on experience designing device binding and anti-device spoofing controls.

Familiarity with modern mobile fraud trends and evolving attack techniques.

Experience working with payment ecosystems handling high transaction volumes.