Senior Software Engineer, Mobile Security Analysis

Washington, DC metro area, Remote. Posted a month ago

The role

You will design and implement analysis capabilities for AI-driven security platforms. The role focuses on building static and binary analysis tooling for mobile applications.

What you will do

Design, develop, and maintain analysis capabilities that power Theori's AI security platforms.
Build static and binary analysis tooling in Python on top of established reverse engineering frameworks.
Develop instrumentation and test infrastructure for evaluating applications on real devices.
Work with security researchers to turn manual techniques into automated, repeatable analysis.
Measure and improve analysis quality against real-world targets.
Write clean, well-tested, and maintainable code in Python and related technologies.
Document and present technical results to customers and internal stakeholders.

Required qualifications

5+ years of professional software engineering experience building production systems.
Strong proficiency in Python.
Experience with reverse engineering tools such as Binary Ninja, IDA Pro, or Ghidra.
Solid understanding of mobile platform internals, Android, iOS, or both.
Familiarity with program analysis concepts such as control flow, data flow, and taint tracking.
Self-directed, ownership-oriented, and comfortable driving projects from design to deployment.
U.S. citizenship.
Based in, or willing to relocate to, the Washington, DC metro area.

Nice to have

Experience with dynamic instrumentation tools such as Frida.
Background in vulnerability research, including published CVEs.
Experience with fuzzing.
Familiarity with AI/LLM-driven workflows.
Prior work on government-funded research programs.
CTF experience.
Active TS/SCI clearance.

Benefits

Competitive salary + equity
Health, dental, and vision insurance
Generous PTO policy
Remote work (DC metro based)
Laptop + home office stipend
401(k) match

Before you apply

U.S. citizenship.
1. 30-min intro call with hiring manager
2. 60-min technical interview
3. Offer

About the company

Theori builds AI-driven security tools that protect real systems. The company is in a growth stage and is defining the culture of its North American team.