Zealot is deploying AI systems at the center of western cyber operations , backed by tier-1 US VCs and industry leaders. Our team includes alumni of Anthropic, xAI, and Anduril. Soon live with close U.S. allies abroad.
APPLIED AI VR ANDROID
Compensation 100K-195K + skin in the game equity
Location London, United Kingdom On Site
Stage Early-stage startup backed by tier 1 investors. Small, growing team with exceptionally high ownership.
- + Discover and exploit vulnerabilities in Android operating systems, applications, and firmware.
- + Develop exploit chains targeting Android devices across multiple OEMs and chipset vendors.
- + Build tooling to automate vulnerability discovery and triage across the Android ecosystem.
- + Research new attack surfaces introduced by Android platform updates and security patches.
- + Deep experience with Android internals: kernel, HAL, Binder IPC, SELinux policies.
- + Proven track record of finding and exploiting vulnerabilities in Android (CVEs, bug bounties, or security research).
- + Strong ARM/AArch64 reverse engineering and exploit development skills.
- + Proficiency with Frida, Magisk, custom kernels, and Android debug tooling.
- + Strong C/C++ and Java/Kotlin skills for systems and application-level analysis.
Nice to Have
- + Experience with Qualcomm, MediaTek, or Samsung Exynos chipset-specific attack surfaces.
- + Familiarity with TrustZone / TEE internals.
- + Experience with Android kernel fuzzing (syzkaller, custom harnesses).
- + Proficiency with Ghidra, IDA, or Binary Ninja.
- + Experience building with LLMs and AI agents.
- + Published research or conference talks in mobile security.
- + Driven to push the boundaries of what's possible in mobile security.
- + Clearly interested in stepping away from purely manual research and moving toward the development of AI systems.
- + Building something massive matters more to you than comfort, titles, or predictability.
- + You want to be early at a company that will change an industry, and you're ready to do what that actually takes.
Note to recruiting firms: Android vulnerability research is the core requirement. Exploit development and kernel experience are strong pluses. Strong preference for candidates with demonstrated security research capability against mobile platforms.
Ready?
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Android Security Engineer APPLIED AI VR ANDROID New York, NY / On Site → in London employer: Zealot Labs, Inc.
Zealot is an exceptional employer for Solutions Engineers, offering a dynamic and innovative work environment where you can directly impact the deployment of cutting-edge AI-driven cyber systems. With a competitive compensation package and equity options, employees enjoy a culture of high ownership within a small, growing team that values collaboration and personal growth. The hybrid work model allows for flexibility while providing opportunities to engage with customers across the UK and Europe, making it a rewarding place for those looking to advance their careers in a meaningful way.
