{"id":2636802,"url":"https://alion.io/job/theori-senior-software-engineer-mobile-security-analysis","title":"Senior Software Engineer, Mobile Security Analysis","company":{"id":445273,"name":"Theori","domain":"theori.io","url":"https://alion.io/company/theori","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Washington, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":175000,"max":235000,"currency":"USD","period":"year","gross":null,"usd_annual":235000},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Binary Ninja","optional":false},{"name":"Ghidra","optional":false},{"name":"IDA Pro","optional":false},{"name":"Python","optional":false},{"name":"Assembly","optional":true},{"name":"Frida","optional":true},{"name":"LLM","optional":true}],"status":"live","first_seen_at":"2026-10-15T15:41:17Z","employer_posted_date":"2026-10-15","last_verified_at":"2026-10-17T01:50:12Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"Summary\nWe'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.\nThis 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.\nKey Responsibilities\nDesign, develop, and maintain analysis capabilities that power Theori's AI security platforms.\n\nBuild static and binary analysis tooling in Python on top of established reverse engineering frameworks.\n\nDevelop instrumentation and test infrastructure for evaluating applications on real devices.\n\nWork with security researchers to turn manual techniques into automated, repeatable analysis.\n\nMeasure and improve analysis quality against real-world targets.\n\nWrite clean, well-tested, and maintainable code in Python and related technologies.\n\nDocument and present technical results to customers and internal stakeholders.\n\nRequirements\n5+ years of professional software engineering experience building production systems.\nStrong proficiency in Python.\nExperience with reverse engineering tools such as Binary Ninja, IDA Pro, or Ghidra.\nSolid understanding of mobile platform internals, Android, iOS, or both.\nFamiliarity with program analysis concepts such as control flow, data flow, and taint tracking.\nSelf-directed, ownership-oriented, and comfortable driving projects from design to deploymen\nU.S. citizenship.\nBased 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.\nNice to Have\nExperience with dynamic instrumentation tools such as Frida.\nBackground in vulnerability research, including published CVEs.\nExperience with fuzzing.\nFamiliarity with AI/LLM-driven workflows.\nPrior work on government-funded research programs.\nCTF experience.\nActive TS/SCI clearance.\nWhat We Offer\nCompensation & Benefits\nCompetitive salary + equity\nHealth, dental, and vision insurance\nGenerous PTO policy\nRemote work (DC metro based)[2] [3]\nLaptop + home office stipend\n401(k) match\nTeam Culture\nShip features that matter\nModern Python-based stack\nStrong focus on testing and quality\nClear documentation and processes\nCollaborative, low-ego team\nCareer growth and mentorship\nWork-Life Balance\nFlexible hours, remote-first[4] cultureremote with occasional client-site days\nNo on-call rotations or weekend deployments\nFocus on outcomes, not hours\nWhy Join Theori?\nCutting-edge product: AI-driven security tools that protect real systems\nSmart team: Collaborate with world-class engineers and security researchers\nGrowth stage: Join early and help define the culture of our North American team\nReal impact: Shape how AI transforms cybersecurity\nHiring Process\n30-min intro call with hiring manager\n\n60-min technical interview\n\nOffer","description_format":"text","description_chars":3114,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":true,"languages":[]},"benefits":["Equity","Home office","Vision insurance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":true,"industries":["Information Security","Cybersecurity AI"],"lifecycle":[{"event":"open","at":"2026-10-15T17:36:20Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":38,"reasons":["conf:1","win:early"],"computed_at":"2026-10-16T05:45:00Z"},"pay":{"stated_usd_annual":235000,"is_top_pay":true},"html_url":"https://alion.io/job/theori-senior-software-engineer-mobile-security-analysis","json_url":"https://alion.io/job/theori-senior-software-engineer-mobile-security-analysis.json","meta":{"generated_at":"2026-10-17T04:50:37Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":6344,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-18T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":445273},"rest":"https://alion.io/mcp/rest/get_company?id=445273"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ftheori-senior-software-engineer-mobile-security-analysis"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Ftheori-senior-software-engineer-mobile-security-analysis"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Ftheori-senior-software-engineer-mobile-security-analysis"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/theori-senior-software-engineer-mobile-security-analysis\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ftheori-senior-software-engineer-mobile-security-analysis"}]}