{"id":666428,"url":"https://alion.io/job/airspace-intelligence-software-engineer-civil-aviation","title":"Software Engineer (Civil Aviation)","company":{"id":668935,"name":"Air Space Intelligence","domain":"airspace-intelligence.com","url":"https://alion.io/company/airspace-intelligence","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"C","score":56,"open_postings":26,"ghost_share":0.731,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-31T05:58:55Z"}},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Boston, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":135000,"max":265000,"currency":"USD","period":"year","gross":null,"usd_annual":265000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"LLM","optional":false},{"name":"Python","optional":false},{"name":"Rust","optional":false},{"name":"Spark","optional":false}],"status":"live","first_seen_at":"2026-04-23T16:23:41Z","employer_posted_date":"2026-04-23","last_verified_at":"2026-10-31T22:55:32Z","board_verified":true,"closed_at":null,"days_open":191,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":190},"description":"About ASI\nASI's mission-critical technology powers decision-making across aviation, defense, energy, and other critical infrastructure domains. Backed by top-tier investors including Andreessen Horowitz, Spark Capital, and Renegade Partners, ASI delivers operational decision superiority-compressing days of analysis into seconds of action. ASI is leading the way and pushing the boundaries of what’s possible.\nAbout the Civil Aviation Team\nWe are modernizing America’s air traffic control system on an accelerated timeline, tackling one of the world’s most complex real-time optimization challenges: safely coordinating tens of thousands of daily flights in a dynamic, safety-critical environment. Our team is building next-generation trajectory prediction and decision-support systems while preparing the airspace for emerging technologies like commercial space operations and advanced air mobility. This mission-critical work demands exceptional precision, resilience, and reliability to support the safety and efficiency of the national airspace.\nWhat You Will Do:\nAs a Software Engineer for the Civil Aviation team, you will design and build a backend system that will operate at the center of U.S. air travel for the next decade and beyond. This is a platform that needs to be right the first time and maintainable by future engineers who had no hand in building it.\nThe core technical challenge is data fusion at operational scale: ingesting disparate, noisy, and potentially conflicting data streams, from radar, flight plans, weather systems, operator inputs, and more, and resolving them into a single, authoritative view of the world. From there, the system projects that state forward in time, enabling optimization across a complex set of competing conditions and constraints. The person in this role needs to have strong intuitions about how to model uncertainty, how to reason about data provenance and confidence, and how to build systems that degrade gracefully when inputs are incomplete or wrong.\nWhat We Value:\nExperience building production-grade backend or distributed systems where strong design principles make the difference in maintainability, scalability, and performance.\n\nProficiency in at least one modern programming language. We work in Rust and Python and expect you to have the foundation to quickly learn these languages.\n\nExperience with data integration, data storage, data processing, and data modeling systems.\n\nExperience with AWS and cloud-native architectures.\n\nExposure to high-availability systems (e.g., “four nines” reliability) is a strong plus.\n\nAbility to work in complex, multi-system environments with evolving data models.\n\nStrong collaboration skills and comfort working across teams in a mission-critical environment.\n\nProficient in leveraging modern LLM tools to accelerate development workflows and enhance code quality.\n\nDomain experience in aviation, mapping, geospatial systems, or any field where the physical world is the source of truth and data is always an approximation of it is a strong plus.\n\nHow We Hire:\nWe look at the interview process not as a screening or test, but rather as an opportunity to simulate what it would look like working together. We build the interview process around you.\nASI works with export-controlled technology and restricted U.S. Government data, including on contracts mandating U.S. immigration status and location restrictions for performing personnel. 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