theori · Washington, DC metro area
Skills: Python
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, with periodic on-site work at client facilities in the DC area. NICE TO HAVE • Experience with dynamic instrumentation tools such as Frida. • Background in vulnerability r…
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