Security Engineering & Assurance

Mobile Application Security Tester

Not accepting applications

Remote Remote-friendly Full time Access tier: T3

Background screening required Professional credentials required

About Sequester

Sequester is a privacy-first encrypted vault for personal photos and videos. We build software where security, reliability, and user trust are product features???not afterthoughts.

About this role

You will attack Sequester's mobile apps like a motivated adversary???testing local storage, IPC, backup exports, and jailbreak scenarios to harden the vault on device.

What you will do

Perform static and dynamic analysis on iOS and Android builds
Test PIN/biometric bypass attempts, clipboard leaks, and screenshot policies
Validate certificate pinning, TLS settings, and debug build separation
Document findings with CVSS-aligned severity and developer-friendly remediation
Retest fixes before store releases and maintain mobile-specific test checklists

What we are looking for

Mobile appsec testing experience (MASVS-aligned workflows welcome)
Tooling comfort: Frida, objection, MobSF, adb, Xcode instruments as needed
Understanding of Flutter/native bridge attack surface
Responsible testing ethics???scoped devices and staging builds only

Location

Remote-friendly. We hire globally and collaborate async-first across time zones.

Not currently accepting applications

This role page remains available for reference, but we are not accepting new applications right now. Check back later or browse other openings. Tingnan ang mga bukas na posisyon