Summary

We're looking for an experienced Senior Software Engineer to help build the next generation of AI-driven security analysis at Theori. You'll play a key role in designing and implementing analysis capabilities that power Xint, our autonomous penetration testing framework, with a focus on mobile applications.

This is a foundational role on our US engineering team, ideal for someone with a reverse engineering background who wants to turn hands-on security research into automated systems. The work spans commercial products and U.S. government research efforts.

Key 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.

Requirements

• 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 deploymen

• U.S. citizenship.

• Based in, or willing to relocate to, the Washington, DC metro area. The role is remote day-to-day,