{"id":3981435,"url":"https://alion.io/job/loft-orbital-backend-software-engineer-mission-planning-strategy","title":"Backend Software Engineer - Mission Planning Strategy","company":{"id":4539,"name":"Loft Orbital","domain":"loftorbital.com","url":"https://alion.io/company/loft-orbital-solutions","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"A","score":86,"open_postings":8,"ghost_share":0,"stale_share":0.375,"repost_share":0,"time_to_fill_p50_days":85,"computed_at":"2026-11-10T06:52:35Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Toulouse, France"],"countries":["FR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":true,"has_equity":false,"technologies":[{"name":"Python","optional":false},{"name":"C++","optional":true},{"name":"Django","optional":true},{"name":"GraphQL","optional":true},{"name":"Numba","optional":true}],"status":"live","first_seen_at":"2026-11-09T14:51:25Z","employer_posted_date":"2026-11-09","last_verified_at":"2026-11-10T07:07:01Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Wanna join the adventure?\n\nLoft Orbital is looking for a Backend Software Engineer to join the Mission Platform organization.\nYou'll work on a small and driven team, developing a brand new software product that optimizes tasking across a large heterogeneous constellation of multi-sensor satellites:\nscale to fly 50+ satellites, serving 100,000s of customer tasking orders\n\ndesign, build and optimize a brand new product from scratch\n\nsolve challenging problems across multiple domains:\nAstrodynamics, satellite capacity modeling and simulation\n\nBack-end/API performance\n\nLow latency, high responsiveness system design\n\nMathematical optimization and scheduling problems\n\nWe're looking for someone with a solid background in software engineering, ideally with a proven track record of building systems from scratch and solving complex, system-level problems. The ideal candidate can operate independently in a fast-paced environment and challenge requirements.\n\nAbout this role:\nDevelop and improve a new software product that manages customer orders across a multi-sensor constellation of satellites\nInterface with teams to help design the customer-facing interfaces and the back-end pipeline that goes from a plan to onboardexecution\nBuild tools and services that help sales and operators understand current and future capacity, operational risks and opportunities for growth\n Solve complex multi-objective optimization problems that maximize collection capacity, balancing various (conflicting) customer constraints, and help define what “optimal” means\n Design systems of systems: decompose complex problems into well-bounded services with clear interfaces, and reason about how they interact, fail, and scale together\nMust Haves:\nBachelor's degree in Software Engineering, Physics/Astrodynamics, Mathematics or a related field\n2+ years of experience with designing and developing software libraries and backend services, preferably in Python\nProven track record of operating independently and solving complex problems\nExperience with system design\nExcellent communication skills, both written and verbal, for technical and non-technical audiences\nNice to Haves:\nMaster’s degree in Software Engineering, Physics/Astrodynamics, Mathematics or a related field\n5+ years of experience designing and developing software libraries and backend services, preferably in Python\nProficiency with Django/GraphQL stacks\nHands-on experience operating spacecraft\nExperience with C++ / high-performance Python (vectorization, JIT compilation like Numba, GPU parallelization)\nDemonstrated practical experience building high-performance backend software applications and/or libraries\nSpecialization in one of the following disciplines:Integer/linear/multi-objective optimization or other Operations Research style problems\nBack-end/API performance optimization\nDistributed systems\nSecurity\nEarth observation tasking\nHigh-performance computing\n\nSome of Our Awesome Benefits:\nEquity, we want you to have an active role in our success\nUp to 35 days of Paid Time Off (vacations & RTT ) and flexible working hours, we want you to be at your best\nHealth and life insurance, we care about your health\nLunch Vouchers, because let’s be honest, we love food! (we even have a slack channel about it #loft-gourmand)\nCross-office travel opportunities between San Francisco, Colorado, and Toulouse to learn from our differences\nCompany and team off-sites and many other events to work & celebrate together\nRelocation assistance to Toulouse when applicable","description_format":"text","description_chars":3526,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Equity","Flexible schedule","Life insurance","Relocation assistance"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":true,"industries":["C4ISR","Satellite Manufacturing","Space Services"],"lifecycle":[{"event":"open","at":"2026-11-09T19:53:41Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":0,"expected_fill_days":85,"reasons":["conf:5","velocity","win:early"],"computed_at":"2026-11-10T06:52:35Z"},"pay":null,"html_url":"https://alion.io/job/loft-orbital-backend-software-engineer-mission-planning-strategy","json_url":"https://alion.io/job/loft-orbital-backend-software-engineer-mission-planning-strategy.json","meta":{"generated_at":"2026-11-10T11:37:38Z","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":27025,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-11T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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":4539},"rest":"https://alion.io/mcp/rest/get_company?id=4539"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Floft-orbital-backend-software-engineer-mission-planning-strategy"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"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%2Floft-orbital-backend-software-engineer-mission-planning-strategy"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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%2Floft-orbital-backend-software-engineer-mission-planning-strategy"},{"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/loft-orbital-backend-software-engineer-mission-planning-strategy\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Floft-orbital-backend-software-engineer-mission-planning-strategy"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3981435}},{"tool":"search_jobs","arguments":{"company":"loftorbital.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3981435},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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