{"id":846469,"url":"https://alion.io/job/delphina-mts-backend-engineer","title":"MTS, Backend Engineer","company":{"id":674840,"name":"Delphina","domain":"delphina.ai","url":"https://alion.io/company/delphina","size_band":"11-50","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"B","score":75,"open_postings":3,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-11-01T06:10:25Z"}},"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":["San Francisco, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":145000,"max_usd":314000,"period":"year","method":"role_country_seniority_unknown","sample_n":9411},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"Go","optional":false},{"name":"Java","optional":false},{"name":"Machine Learning","optional":false},{"name":"Pandas","optional":false},{"name":"Python","optional":false},{"name":"Scala","optional":false},{"name":"Flink","optional":true},{"name":"Spark","optional":true}],"status":"live","first_seen_at":"2025-05-06T04:57:29Z","employer_posted_date":"2025-05-06","last_verified_at":"2026-11-01T05:19:03Z","board_verified":true,"closed_at":null,"days_open":544,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":544},"description":"About Delphina\nToday’s Data Scientists are in pain - spending their time manually wrangling data, building models through slow trial and error, taking on painstaking rewrites for deployment, and dealing with countless other frustrating bottlenecks. And the tools they are using for much of this work - e.g. Jupyter notebooks and Pandas - are over a decade old.\n\nWe founded Delphina to change this: our mission is to help the world get better at using data to understand the present and predict the future. Delphina is an AI Agent for Data Science: leveraging a combination of generative AI, large scale optimization, and specialized infrastructure to automate the time-consuming but necessary tasks to build powerful ML models quickly; Delphina will identify relevant data, clean it, train models, and even productionize pipelines.\n\nOur team has previously led large data science and machine learning teams (covering both applications and infrastructure), built startups, and created successful tools for enterprise ML.\n\nWe're backed by top AI investors, including Fei-Fei Li, Radical VC, and Costanoa VC.\n\nWhat you’ll do\nWe're looking for an experienced Backend Software Engineer to join as a founding team member of Delphina.\n\nAs one of our key early hires, you will partner closely with our early team on the direction of our product and drive critical technical decisions. You will have a broad impact over the technology, product, and our company's culture.\n\nYou will be responsible for:\nArchitecting, building, and deploying the systems and services underlying our platform.\n\nPartnering with our cross functional team of scientists, researchers, and engineers to transform how machine learning is done.\n\nEnsuring that our systems are reliable, secure, and worthy of our customers' trust.\n\nWhat we’re looking for\nExperience with leading and building production systems to deliver on major product initiatives.\n\nProficiency in at least one programming language commonly used within backend systems, e.g. Go, Python, Scala, or Java.\n\nEnergy and ambition to build a product that is surprisingly good in surprising ways.\n\nIntrinsic desire to always be improving our product and yourself. Growth mindset to both stay ahead of the curve and pick up whatever knowledge you're missing to get the job done.\n\nNice to haves\nExperience with large-scale processing technologies and frameworks, such as Spark and Flink\n\nExperience working directly on machine learning - either by partnering with scientists and engineers who are building models, or by building models yourself","description_format":"text","description_chars":2567,"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":["Custom Software Development"],"lifecycle":[{"event":"open","at":"2026-09-13T00:56:46Z"},{"event":"open","at":"2026-09-26T21:40:40Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"Filed H-1B visas in the last two years","filings_12m":0,"filings_prev_12m":1,"green_card_filings_12m":0,"median_offered_wage_usd":null,"route":null,"cap_exempt":false,"checked_at":"2026-10-29T16:27:21+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)"],"filings_for_role_12m":0}],"liveness":{"score":5,"band":"cold","label":"Long shot","p_open":1,"p_active":0.189,"p_room":0.28,"age_days":544,"expected_fill_days":38,"reasons":["conf:0","win:tail","crowd:"],"computed_at":"2026-11-01T06:10:25Z"},"pay":null,"html_url":"https://alion.io/job/delphina-mts-backend-engineer","json_url":"https://alion.io/job/delphina-mts-backend-engineer.json","meta":{"generated_at":"2026-11-01T08:56:38Z","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":13802,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-02T00:00:00Z"}},"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":674840},"rest":"https://alion.io/mcp/rest/get_company?id=674840"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fdelphina-mts-backend-engineer"},{"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%2Fdelphina-mts-backend-engineer"},{"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%2Fdelphina-mts-backend-engineer"},{"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/delphina-mts-backend-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fdelphina-mts-backend-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":846469}},{"tool":"search_jobs","arguments":{"company":"delphina.ai","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":846469},"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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