{"schema_version":"onlylabs.public_signal.v1","title":"Baseten Job: Post-Training Applied Researcher","description":"Baseten job signal with public source context, captured evidence pages, related signals, and category-scoped analysis context.","url":"https://onlylabs.fyi/signals/aad7430f-d1d3-4cc2-b88d-c4d0da461931","json_url":"https://onlylabs.fyi/signals/aad7430f-d1d3-4cc2-b88d-c4d0da461931/signal.json","generated_at":"2026-10-12T19:54:15.457Z","evidence_latest_fetched_at":"2026-10-08T07:13:13.669495+00:00","signal_first_seen_at":"2026-10-08T07:10:37.265612+00:00","org":{"slug":"baseten","name":"Baseten","category":"neocloud","category_label":"Neocloud","dossier_url":"https://onlylabs.fyi/labs/baseten","dossier_json_url":"https://onlylabs.fyi/labs/baseten/dossier.json"},"related_urls":{"signal":"https://onlylabs.fyi/signals/aad7430f-d1d3-4cc2-b88d-c4d0da461931","signal_json":"https://onlylabs.fyi/signals/aad7430f-d1d3-4cc2-b88d-c4d0da461931/signal.json","source":"https://jobs.ashbyhq.com/baseten/2d18b2aa-b6fc-4f1c-8936-33b03255a090","lab_dossier":"https://onlylabs.fyi/labs/baseten","lab_dossier_json":"https://onlylabs.fyi/labs/baseten/dossier.json","analysis":"https://onlylabs.fyi/analysis/baseten","analysis_json":"https://onlylabs.fyi/analysis/baseten/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/baseten/evidence.json","category":"https://onlylabs.fyi/neoclouds","category_json":"https://onlylabs.fyi/neoclouds.json","category_feed":"https://onlylabs.fyi/neoclouds/feed.xml","category_signals_json":"https://onlylabs.fyi/signals.json?category=neocloud","topic":"https://onlylabs.fyi/topics/hiring","topic_signals_json":"https://onlylabs.fyi/topics/hiring/signals.json?category=neocloud","topic_feed":"https://onlylabs.fyi/topics/hiring/feed.xml?category=neocloud","data_business":null},"answer_pack":{"answer":"Baseten opened Post-Training Applied Researcher (San Francisco). This hiring signal is demand evidence for teams, locations, and technical bets being staffed. High-signal details: team Post-Training · location San Francisco · Routine job opening, no traction or research artifact.. onlylabs links this event to 1 captured evidence page and 6 related job signals.","signal_desk":"hiring","source_context":{"source_url":"https://jobs.ashbyhq.com/baseten/2d18b2aa-b6fc-4f1c-8936-33b03255a090","source_host":"jobs.ashbyhq.com","occurred_at":"2026-10-07T20:22:30.307+00:00","first_seen_at":"2026-10-08T07:10:37.265612+00:00","date_source":"ashby.publishedAt","context":"San Francisco"},"context_markers":[{"label":"Lab","value":"Baseten","source":"signal"},{"label":"Signal desk","value":"hiring","source":"signal"},{"label":"Source host","value":"jobs.ashbyhq.com","source":"source"},{"label":"Team","value":"Post-Training","source":"signal"},{"label":"Location","value":"San Francisco","source":"signal"},{"label":"ATS","value":"ashby","source":"source"},{"label":"Notability","value":"Routine job opening, no traction or research artifact.","source":"signal"},{"label":"Watch term","value":"RL environments","source":"evidence"},{"label":"Watch term","value":"Eval methodology","source":"evidence"},{"label":"Watch term","value":"Data pipeline","source":"evidence"},{"label":"Watch term","value":"Infrastructure","source":"evidence"},{"label":"Watch term","value":"Safety and alignment","source":"evidence"},{"label":"Watch term","value":"Agents and tool use","source":"evidence"}],"evidence_coverage":{"target_pages":1,"captured_pages":1,"readable_pages":1,"capture_methods":["plain"],"missing_page_urls":[],"failed_page_urls":[],"blocked_page_urls":[],"page_urls":["https://jobs.ashbyhq.com/baseten/2d18b2aa-b6fc-4f1c-8936-33b03255a090"],"related_signals":6,"has_source_url":true,"latest_page_fetched_at":"2026-10-08T07:13:13.669495+00:00"},"data_business":{"matches":false,"lanes":[],"matched_terms":[],"score":null,"reason":null},"agent_handoff":{"signal_json":"https://onlylabs.fyi/signals/aad7430f-d1d3-4cc2-b88d-c4d0da461931/signal.json","dossier_json":"https://onlylabs.fyi/labs/baseten/dossier.json","analysis_json":"https://onlylabs.fyi/analysis/baseten/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/baseten/evidence.json","topic_signals_json":"https://onlylabs.fyi/topics/hiring/signals.json?category=neocloud","topic_feed":"https://onlylabs.fyi/topics/hiring/feed.xml?category=neocloud","category_signals_json":"https://onlylabs.fyi/signals.json?category=neocloud","data_radar_json":null,"opportunities_json":null},"analysis_playbook":{"objective":"Turn open roles into leading indicators for teams, locations, infrastructure needs, eval work, data demand, and commercialization buildout.","evidence_focus":["role title","team or function","location","job description","data, eval, infra, safety, product, and GTM terms"],"extraction_questions":["Which teams are hiring repeatedly?","Which locations or hubs are becoming more important?","Which roles imply data, evaluation, infrastructure, or platform spend?","Which labs have hiring signals without a fresh standing analysis?"],"signal_questions":["What demand signal does this role create for teams, locations, infrastructure, evals, or data workflows?","Which teams are hiring repeatedly?","Which locations or hubs are becoming more important?","Do the 6 related job signals show a repeated pattern?"],"output_fields":["org","team","location","role_theme","evidence_url"],"data_business_relevance":"Data-business lane extraction is scoped to frontier labs; for this category, keep conclusions tied to category-specific strategy, source evidence, and follow-up questions.","required_sources":[{"label":"signal_json","url":"https://onlylabs.fyi/signals/aad7430f-d1d3-4cc2-b88d-c4d0da461931/signal.json","required":true},{"label":"source","url":"https://jobs.ashbyhq.com/baseten/2d18b2aa-b6fc-4f1c-8936-33b03255a090","required":true},{"label":"dossier_json","url":"https://onlylabs.fyi/labs/baseten/dossier.json","required":true},{"label":"analysis_evidence_json","url":"https://onlylabs.fyi/analysis/baseten/evidence.json","required":true},{"label":"topic_signals_json","url":"https://onlylabs.fyi/topics/hiring/signals.json?category=neocloud","required":false},{"label":"data_radar_json","url":null,"required":false}],"expected_output":["one-paragraph source-grounded interpretation","category-specific implication","confidence and missing evidence","recommended next source to inspect"],"prompt_seed":"Using only the linked onlylabs JSON, captured source context, and cited evidence, analyze Baseten's job signal \"Post-Training Applied Researcher\" for neocloud strategy."},"semantic_triples":[{"subject":"Baseten","predicate":"opened","object":"role Post-Training Applied Researcher","text":"Baseten opened role Post-Training Applied Researcher."},{"subject":"Post-Training Applied Researcher","predicate":"is classified as","object":"job signal","text":"Post-Training Applied Researcher is classified as job signal."},{"subject":"Post-Training Applied Researcher","predicate":"belongs to","object":"hiring desk","text":"Post-Training Applied Researcher belongs to hiring desk."},{"subject":"Post-Training Applied Researcher","predicate":"has context","object":"San Francisco","text":"Post-Training Applied Researcher has context San Francisco."},{"subject":"Post-Training Applied Researcher","predicate":"has evidence coverage","object":"1 captured evidence page","text":"Post-Training Applied Researcher has evidence coverage 1 captured evidence page."},{"subject":"Post-Training Applied Researcher","predicate":"has captured page count","object":"1","text":"Post-Training Applied Researcher has captured page count 1."},{"subject":"Post-Training Applied Researcher","predicate":"has readable page count","object":"1","text":"Post-Training Applied Researcher has readable page count 1."},{"subject":"Post-Training Applied Researcher","predicate":"has related signal count","object":"6","text":"Post-Training Applied Researcher has related signal count 6."},{"subject":"Post-Training Applied Researcher","predicate":"has analysis playbook objective","object":"Turn open roles into leading indicators for teams, locations, infrastructure needs, eval work, data demand, and commercialization buildout.","text":"Post-Training Applied Researcher has analysis playbook objective Turn open roles into leading indicators for teams, locations, infrastructure needs, eval work, data demand, and commercialization buildout.."},{"subject":"Post-Training Applied Researcher","predicate":"has source host","object":"jobs.ashbyhq.com","text":"Post-Training Applied Researcher has source host jobs.ashbyhq.com."},{"subject":"Post-Training Applied Researcher","predicate":"has lab","object":"Baseten","text":"Post-Training Applied Researcher has lab Baseten."},{"subject":"Post-Training Applied Researcher","predicate":"has signal desk","object":"hiring","text":"Post-Training Applied Researcher has signal desk hiring."},{"subject":"Post-Training Applied Researcher","predicate":"has source host","object":"jobs.ashbyhq.com","text":"Post-Training Applied Researcher has source host jobs.ashbyhq.com."},{"subject":"Post-Training Applied Researcher","predicate":"has team","object":"Post-Training","text":"Post-Training Applied Researcher has team Post-Training."},{"subject":"Post-Training Applied Researcher","predicate":"has location","object":"San Francisco","text":"Post-Training Applied Researcher has location San Francisco."},{"subject":"Post-Training Applied Researcher","predicate":"has ats","object":"ashby","text":"Post-Training Applied Researcher has ats ashby."},{"subject":"Post-Training Applied Researcher","predicate":"has notability","object":"Routine job opening, no traction or research artifact.","text":"Post-Training Applied Researcher has notability Routine job opening, no traction or research artifact.."},{"subject":"Post-Training Applied Researcher","predicate":"has watch term","object":"RL environments","text":"Post-Training Applied Researcher has watch term RL environments."}]},"intelligence":{"signal_desk":"hiring","answer":"Baseten opened Post-Training Applied Researcher (San Francisco). This hiring signal is demand evidence for teams, locations, and technical bets being staffed. High-signal details: team Post-Training · location San Francisco · Routine job opening, no traction or research artifact.. onlylabs links this event to 1 captured evidence page and 6 related job signals.","semantic_triples":[{"subject":"Baseten","predicate":"opened","object":"role Post-Training Applied Researcher","text":"Baseten opened role Post-Training Applied Researcher."},{"subject":"Post-Training Applied Researcher","predicate":"is classified as","object":"job signal","text":"Post-Training Applied Researcher is classified as job signal."},{"subject":"Post-Training Applied Researcher","predicate":"belongs to","object":"hiring desk","text":"Post-Training Applied Researcher belongs to hiring desk."},{"subject":"Post-Training Applied Researcher","predicate":"has context","object":"San Francisco","text":"Post-Training Applied Researcher has context San Francisco."},{"subject":"Post-Training Applied Researcher","predicate":"has evidence coverage","object":"1 captured evidence page","text":"Post-Training Applied Researcher has evidence coverage 1 captured evidence page."}]},"signal":{"id":"aad7430f-d1d3-4cc2-b88d-c4d0da461931","url":"https://onlylabs.fyi/signals/aad7430f-d1d3-4cc2-b88d-c4d0da461931","json_url":"https://onlylabs.fyi/signals/aad7430f-d1d3-4cc2-b88d-c4d0da461931/signal.json","source_url":"https://jobs.ashbyhq.com/baseten/2d18b2aa-b6fc-4f1c-8936-33b03255a090","title":"Post-Training Applied Researcher","summary":"Baseten opened a hiring signal. onlylabs watches roles as demand indicators for teams, locations, and technical bets.","context":"San Francisco","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"baseten","name":"Baseten","category":"neocloud"},"occurred_at":"2026-10-07T20:22:30.307+00:00","first_seen_at":"2026-10-08T07:10:37.265612+00:00","date_source":"ashby.publishedAt","evidence_coverage":{"target_pages":1,"captured_pages":1,"readable_pages":1,"capture_methods":["plain"],"missing_page_urls":[],"failed_page_urls":[],"blocked_page_urls":[],"page_urls":["https://jobs.ashbyhq.com/baseten/2d18b2aa-b6fc-4f1c-8936-33b03255a090"]},"facets":{"location":"San Francisco","team":"Post-Training","ats":"ashby"},"traction":{"github_stars":null,"hn_points":null,"hn_comments":null,"hn_story_id":null,"hf_downloads":null,"hf_likes":null},"data_radar":null},"primary_evidence_page":{"is_primary":true,"source_match":true,"url":"https://jobs.ashbyhq.com/baseten/2d18b2aa-b6fc-4f1c-8936-33b03255a090","final_url":"https://jobs.ashbyhq.com/baseten/2d18b2aa-b6fc-4f1c-8936-33b03255a090","title":"Post-Training Applied Researcher","http_status":200,"content_type":"application/json","capture_method":"plain","fetched_at":"2026-10-08T07:13:13.669495+00:00","bytes":14556,"raw_path":"35215c94d75f572389d3923143b49b43f34d0f7ae88f854e2ca5470d195e62b6.json","content_hash":"5523d2b0545698f3296ac1bc4a0e197d4f5e9d71b1b2ecc4bff90f6a715d9763","excerpt_chars":1200,"truncated":true,"excerpt":"Post-Training Applied Researcher Team: Post-Training Location: San Francisco Employment type: FullTime Workplace type: Hybrid Remote: yes Published: 2026-10-07T20:22:30.307+00:00 ABOUT BASETEN Baseten powers mission-critical inference for the world's most dynamic AI companies, like Cursor, Notion, OpenEvidence, Abridge, Clay, Gamma, and Writer. By uniting applied AI research, flexible infrastructure, and seamless developer tooling, we enable companies operating at the frontier of AI to bring cutting-edge models into production. We're growing quickly and recently raised our $1.5B Series F https://www.baseten.co/blog/announcing-our-series-f/, led by Altimeter Capital, Conviction Partners, and Spark Capital. Join us and help build the platform engineers turn to ship AI products. THE ROLE This role sits at the applied end of our post-training research efforts. You will work directly with stakeholders from the world’s fastest-growing AI companies to post-train open-source models that outperform frontier closed models on their specialised tasks. Your day-to-day is finding creative ways to extract signal from complex, domain-specific datasets and building the reward functions,..."},"evidence_pages":[],"related_signals":[{"id":"5eff2cb3-839b-4d13-8c11-5277050320ec","url":"https://onlylabs.fyi/signals/5eff2cb3-839b-4d13-8c11-5277050320ec","source_url":"https://jobs.ashbyhq.com/baseten/d04877d0-4360-4adb-879b-0ceb02f08c76","title":"GRC Manager","context":"San Francisco","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"baseten","name":"Baseten","category":"neocloud"},"occurred_at":"2026-10-08T01:23:09.106+00:00","first_seen_at":"2026-10-08T07:10:37.265612+00:00","date_source":"ashby.publishedAt"},{"id":"921ad71f-c84a-48e4-8845-4facc05b7f15","url":"https://onlylabs.fyi/signals/921ad71f-c84a-48e4-8845-4facc05b7f15","source_url":"https://jobs.ashbyhq.com/baseten/6b105131-d5d6-4d41-96ce-7fe71ff87769","title":"Engineering Manager - Inference Performance","context":"San Francisco","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"baseten","name":"Baseten","category":"neocloud"},"occurred_at":"2026-10-07T00:57:46.944+00:00","first_seen_at":"2026-10-07T07:10:36.816833+00:00","date_source":"ashby.publishedAt"},{"id":"cc89720c-4a82-4f8f-9bda-2cea9cda3254","url":"https://onlylabs.fyi/signals/cc89720c-4a82-4f8f-9bda-2cea9cda3254","source_url":"https://jobs.ashbyhq.com/baseten/bdc52dc9-2401-4b67-80cf-5bc7656034a6","title":"Revenue Analyst","context":"San Francisco","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"baseten","name":"Baseten","category":"neocloud"},"occurred_at":"2026-10-07T00:52:40.582+00:00","first_seen_at":"2026-10-07T07:10:36.816833+00:00","date_source":"ashby.publishedAt"},{"id":"ac533827-a9bd-46cc-80c1-75716f4b1dd4","url":"https://onlylabs.fyi/signals/ac533827-a9bd-46cc-80c1-75716f4b1dd4","source_url":"https://jobs.ashbyhq.com/baseten/84c24e55-1db0-49b6-99d8-9bce9e16892f","title":"Product Data Scientist","context":"San Francisco","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"baseten","name":"Baseten","category":"neocloud"},"occurred_at":"2026-10-07T00:46:25.274+00:00","first_seen_at":"2026-10-07T07:10:36.816833+00:00","date_source":"ashby.publishedAt"},{"id":"bf9033ee-18a5-4d56-9548-e02305b3e0ae","url":"https://onlylabs.fyi/signals/bf9033ee-18a5-4d56-9548-e02305b3e0ae","source_url":"https://jobs.ashbyhq.com/baseten/5a1a7b6c-646b-495c-911a-8fa435c78b6f","title":"Solutions Architect, EMEA","context":"Remote","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"baseten","name":"Baseten","category":"neocloud"},"occurred_at":"2026-10-06T20:49:10.549+00:00","first_seen_at":"2026-10-07T07:10:36.816833+00:00","date_source":"ashby.publishedAt"},{"id":"a8837198-3aef-48d0-a0f9-af5b4e88423e","url":"https://onlylabs.fyi/signals/a8837198-3aef-48d0-a0f9-af5b4e88423e","source_url":"https://jobs.ashbyhq.com/baseten/14c4a663-0b1f-4c11-93ff-1359741ee456","title":"Software Engineer - Inference Platform","context":"San Francisco","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"baseten","name":"Baseten","category":"neocloud"},"occurred_at":"2026-10-05T23:30:18.959+00:00","first_seen_at":"2026-10-06T07:10:36.942763+00:00","date_source":"ashby.publishedAt"}]}