{"id":1984,"url":"https://alion.io/job/xai-backend-engineer-enterprise","title":"Backend Engineer - Enterprise","company":{"id":28,"name":"xAI","domain":"x.ai","url":"https://alion.io/company/xai","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":88,"open_postings":100,"ghost_share":0,"stale_share":0.47,"repost_share":0,"time_to_fill_p50_days":59,"computed_at":"2026-10-16T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Tokyo, Japan"],"countries":["JP"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"ClickHouse","optional":false},{"name":"CockroachDB","optional":false},{"name":"Edge AI","optional":false},{"name":"Grok","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Rust","optional":false},{"name":"Docker","optional":true},{"name":"Embeddings","optional":true},{"name":"gRPC","optional":true},{"name":"Kubernetes","optional":true},{"name":"LLM","optional":true},{"name":"Python","optional":true},{"name":"RAG","optional":true},{"name":"Rest API","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2025-12-17T07:51:14Z","employer_posted_date":"2026-09-30","last_verified_at":"2026-10-17T03:50:18Z","board_verified":true,"closed_at":null,"days_open":303,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":303},"description":"SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today, SpaceX is actively developing the technologies to make this possible, with the ultimate goal of making life multiplanetary and expanding consciousness to the stars. \nSpaceXSI is building Super Intelligence to understand the universe and help expand humanity’s knowledge and capabilities. We work across the full Super Intelligence stack: compute (Colossus supercomputers), models (Grok), and applications (Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X). We're creating a powerful flywheel where more compute trains better models, better models power more useful products, and what we learn from people using those products shapes what we build next.\nABOUT THE ROLE:\nThe Enterprise Agents Engineering Team at SpaceXAI is a team of builders solving the hardest problems in applied AI: integrating with messy systems, orchestrating complex workflows, and harnessing AI to transform business operations. We build full-stack solutions with ownership of end-to-end product execution from ideation to deployment, collaborating closely with our team to incorporate cutting-edge AI advancements into robust and reliable user-centric solutions. Through an iterative development process, we work hand-in-hand with customers to gather feedback, refine features, and evolve products to address real-world challenges.\nBASIC QUALIFICATIONS:\nExpert knowledge of either Rust or C++,\nExperience in designing, implementing, and maintaining reliable and horizontally scalable distributed systems,\nKnowledge of service observability and reliability best practices,\nExperience in operating commonly used databases such as PostgreSQL, Clickhouse, and CockroachDB\nPREFERRED SKILLS AND EXPERIENCE:\nExpert knowledge of Python,\nExperience with Docker, Kubernetes, and containerized applications,\nExpert knowledge of TypeScript,\nExpert knowledge of gRPC (unary, response streaming, bi-directional streaming, REST mapping),\nHands-on experience with LLM APIs, embeddings, or RAG patterns\nTrack record of delivering user-facing software at scale.\nSpaceXAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice.","description_format":"text","description_chars":2292,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["LLM & Generative AI","Foundation Models","AI Research Labs"],"lifecycle":[{"event":"open","at":"2025-12-17T07:51:14Z"}],"visa":[],"liveness":{"score":4,"band":"cold","label":"Long shot","p_open":1,"p_active":0.151,"p_room":0.28,"age_days":302,"expected_fill_days":59,"reasons":["conf:3","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-16T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/xai-backend-engineer-enterprise","json_url":"https://alion.io/job/xai-backend-engineer-enterprise.json","meta":{"generated_at":"2026-10-17T05:44:39Z","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":7748,"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":28},"rest":"https://alion.io/mcp/rest/get_company?id=28"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fxai-backend-engineer-enterprise"},{"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%2Fxai-backend-engineer-enterprise"},{"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%2Fxai-backend-engineer-enterprise"},{"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/xai-backend-engineer-enterprise\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fxai-backend-engineer-enterprise"}]}