Senior Software Engineer: AI Security & Reverse Engineering

Theori; Washington (District of Columbia); Remote; USD 140,000 - 180,000; Full time

Benefits offered by this job

Competitive salary + equity

Health, dental, and vision insurance

Generous PTO policy

Remote work (DC metro based)

Laptop + home office stipend

401(k) match

Job summary

Theori is seeking an experienced Senior Software Engineer to help build the next generation of AI-driven security analysis for Xint, our autonomous penetration testing framework, with a focus on mobile applications.

This foundational role on our US engineering team is ideal for someone with a reverse engineering background who wants to automate hands-on security research for commercial products and government research efforts.

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.
• Understanding of mobile platform internals (Android/iOS).

Responsibilities

• 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.

Skills

Python

Reverse engineering

Mobile platforms

Software development

Tools

Binary Ninja

IDA Pro

Ghidra

Job description

Theori is seeking an experienced Senior Software Engineer to help build the next generation of AI-driven security analysis for Xint, our autonomous penetration testing framework, with a focus on mobile applications.

This foundational role on our US engineering team is ideal for someone with a reverse engineering background who wants to automate hands-on security research for commercial products and government research efforts.