{"schema_version":"onlylabs.public_signal.v1","title":"CoreWeave Job: Senior Software Engineer, Core Open-Source- Marimo","description":"CoreWeave job signal with public source context, captured evidence pages, related signals, and category-scoped analysis context.","url":"https://onlylabs.fyi/signals/6ed0019c-1f5e-45fb-99f1-9dce30b263f2","json_url":"https://onlylabs.fyi/signals/6ed0019c-1f5e-45fb-99f1-9dce30b263f2/signal.json","generated_at":"2026-06-10T07:04:25.996783+00:00","org":{"slug":"coreweave","name":"CoreWeave","category":"neocloud","category_label":"Neocloud","dossier_url":"https://onlylabs.fyi/labs/coreweave","dossier_json_url":"https://onlylabs.fyi/labs/coreweave/dossier.json"},"related_urls":{"signal":"https://onlylabs.fyi/signals/6ed0019c-1f5e-45fb-99f1-9dce30b263f2","signal_json":"https://onlylabs.fyi/signals/6ed0019c-1f5e-45fb-99f1-9dce30b263f2/signal.json","source":"https://coreweave.com/careers/job?4652254006&board=coreweave&gh_jid=4652254006","lab_dossier":"https://onlylabs.fyi/labs/coreweave","lab_dossier_json":"https://onlylabs.fyi/labs/coreweave/dossier.json","analysis":"https://onlylabs.fyi/analysis/coreweave","analysis_json":"https://onlylabs.fyi/analysis/coreweave/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/coreweave/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":"CoreWeave opened Senior Software Engineer, Core Open-Source- Marimo (\tBellevue, WA, Livingston, NJ , New York, NY, San Francisco, CA, Sunnyvale, CA, US - Remote). This hiring signal is demand evidence for teams, locations, and technical bets being staffed. High-signal details: location Bellevue, WA, Livingston, NJ , New York, NY, San Francisco, CA, Sunnyvale, CA, US - Remote · Routine job opening for open-source project. onlylabs links this event to 1 captured evidence page and 6 related job signals.","signal_desk":"hiring","source_context":{"source_url":"https://coreweave.com/careers/job?4652254006&board=coreweave&gh_jid=4652254006","source_host":"coreweave.com","occurred_at":"2026-06-09T20:20:16+00:00","first_seen_at":"2026-06-05T05:42:59.500082+00:00","date_source":"greenhouse.updated_at","context":"\tBellevue, WA, Livingston, NJ , New York, NY, San Francisco, CA, Sunnyvale, CA, US - Remote"},"context_markers":[{"label":"Lab","value":"CoreWeave","source":"signal"},{"label":"Signal desk","value":"hiring","source":"signal"},{"label":"Source host","value":"coreweave.com","source":"source"},{"label":"Location","value":"Bellevue, WA, Livingston, NJ , New York, NY, San Francisco, CA, Sunnyvale, CA, US - 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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://coreweave.com/careers/job?4652254006&board=coreweave&gh_jid=4652254006"],"related_signals":6,"has_source_url":true,"latest_page_fetched_at":"2026-06-10T07:04:25.996783+00:00"},"data_business":{"matches":false,"lanes":[],"matched_terms":[],"score":null,"reason":null},"agent_handoff":{"signal_json":"https://onlylabs.fyi/signals/6ed0019c-1f5e-45fb-99f1-9dce30b263f2/signal.json","dossier_json":"https://onlylabs.fyi/labs/coreweave/dossier.json","analysis_json":"https://onlylabs.fyi/analysis/coreweave/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/coreweave/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/6ed0019c-1f5e-45fb-99f1-9dce30b263f2/signal.json","required":true},{"label":"source","url":"https://coreweave.com/careers/job?4652254006&board=coreweave&gh_jid=4652254006","required":true},{"label":"dossier_json","url":"https://onlylabs.fyi/labs/coreweave/dossier.json","required":true},{"label":"analysis_evidence_json","url":"https://onlylabs.fyi/analysis/coreweave/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 CoreWeave's job signal \"Senior Software Engineer, Core Open-Source- Marimo\" for neocloud strategy."},"semantic_triples":[{"subject":"CoreWeave","predicate":"opened","object":"role Senior Software Engineer, Core Open-Source- Marimo","text":"CoreWeave opened role Senior Software Engineer, Core Open-Source- Marimo."},{"subject":"Senior Software Engineer, Core Open-Source- Marimo","predicate":"is classified as","object":"job signal","text":"Senior Software Engineer, Core Open-Source- Marimo is classified as job signal."},{"subject":"Senior Software Engineer, Core Open-Source- Marimo","predicate":"belongs to","object":"hiring desk","text":"Senior Software Engineer, Core Open-Source- Marimo belongs to hiring desk."},{"subject":"Senior Software Engineer, Core Open-Source- Marimo","predicate":"has context","object":"\tBellevue, WA, Livingston, NJ , New York, NY, San Francisco, CA, Sunnyvale, CA, US - Remote","text":"Senior Software Engineer, Core Open-Source- Marimo has context \tBellevue, WA, Livingston, NJ , New York, NY, San Francisco, CA, Sunnyvale, CA, US - Remote."},{"subject":"Senior Software Engineer, Core Open-Source- Marimo","predicate":"has evidence coverage","object":"1 captured evidence page","text":"Senior Software Engineer, Core Open-Source- Marimo has evidence coverage 1 captured evidence page."},{"subject":"Senior Software Engineer, Core Open-Source- Marimo","predicate":"has captured page count","object":"1","text":"Senior Software Engineer, Core Open-Source- Marimo has captured page count 1."},{"subject":"Senior Software Engineer, Core Open-Source- Marimo","predicate":"has readable page count","object":"1","text":"Senior Software Engineer, Core Open-Source- Marimo has readable page count 1."},{"subject":"Senior Software Engineer, Core Open-Source- Marimo","predicate":"has related signal count","object":"6","text":"Senior Software Engineer, Core Open-Source- Marimo has related signal count 6."},{"subject":"Senior Software Engineer, Core Open-Source- Marimo","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":"Senior Software Engineer, Core Open-Source- Marimo has analysis playbook objective Turn open roles into leading indicators for teams, locations, infrastructure needs, eval work, data demand, and commercialization buildout.."},{"subject":"Senior Software Engineer, Core Open-Source- Marimo","predicate":"has source host","object":"coreweave.com","text":"Senior Software Engineer, Core Open-Source- Marimo has source host coreweave.com."},{"subject":"Senior Software Engineer, Core Open-Source- Marimo","predicate":"has lab","object":"CoreWeave","text":"Senior Software Engineer, Core Open-Source- Marimo has lab CoreWeave."},{"subject":"Senior Software Engineer, Core Open-Source- Marimo","predicate":"has signal desk","object":"hiring","text":"Senior Software Engineer, Core Open-Source- Marimo has signal desk hiring."},{"subject":"Senior Software Engineer, Core Open-Source- Marimo","predicate":"has source host","object":"coreweave.com","text":"Senior Software Engineer, Core Open-Source- Marimo has source host coreweave.com."},{"subject":"Senior Software Engineer, Core Open-Source- Marimo","predicate":"has location","object":"Bellevue, WA, Livingston, NJ , New York, NY, San Francisco, CA, Sunnyvale, CA, US - Remote","text":"Senior Software Engineer, Core Open-Source- Marimo has location Bellevue, WA, Livingston, NJ , New York, NY, San Francisco, CA, Sunnyvale, CA, US - Remote."},{"subject":"Senior Software Engineer, Core Open-Source- Marimo","predicate":"has ats","object":"greenhouse","text":"Senior Software Engineer, Core Open-Source- Marimo has ats greenhouse."},{"subject":"Senior Software Engineer, Core Open-Source- Marimo","predicate":"has notability","object":"Routine job opening for open-source project","text":"Senior Software Engineer, Core Open-Source- Marimo has notability Routine job opening for open-source project."},{"subject":"Senior Software Engineer, Core Open-Source- Marimo","predicate":"has watch term","object":"Eval methodology","text":"Senior Software Engineer, Core Open-Source- Marimo has watch term Eval methodology."},{"subject":"Senior Software Engineer, Core Open-Source- Marimo","predicate":"has watch term","object":"Infrastructure","text":"Senior Software Engineer, Core Open-Source- Marimo has watch term Infrastructure."}]},"intelligence":{"signal_desk":"hiring","answer":"CoreWeave opened Senior Software Engineer, Core Open-Source- Marimo (\tBellevue, WA, Livingston, NJ , New York, NY, San Francisco, CA, Sunnyvale, CA, US - Remote). This hiring signal is demand evidence for teams, locations, and technical bets being staffed. High-signal details: location Bellevue, WA, Livingston, NJ , New York, NY, San Francisco, CA, Sunnyvale, CA, US - Remote · Routine job opening for open-source project. onlylabs links this event to 1 captured evidence page and 6 related job signals.","semantic_triples":[{"subject":"CoreWeave","predicate":"opened","object":"role Senior Software Engineer, Core Open-Source- Marimo","text":"CoreWeave opened role Senior Software Engineer, Core Open-Source- Marimo."},{"subject":"Senior Software Engineer, Core Open-Source- Marimo","predicate":"is classified as","object":"job signal","text":"Senior Software Engineer, Core Open-Source- Marimo is classified as job signal."},{"subject":"Senior Software Engineer, Core Open-Source- Marimo","predicate":"belongs to","object":"hiring desk","text":"Senior Software Engineer, Core Open-Source- Marimo belongs to hiring desk."},{"subject":"Senior Software Engineer, Core Open-Source- Marimo","predicate":"has context","object":"\tBellevue, WA, Livingston, NJ , New York, NY, San Francisco, CA, Sunnyvale, CA, US - Remote","text":"Senior Software Engineer, Core Open-Source- Marimo has context \tBellevue, WA, Livingston, NJ , New York, NY, San Francisco, CA, Sunnyvale, CA, US - Remote."},{"subject":"Senior Software Engineer, Core Open-Source- Marimo","predicate":"has evidence coverage","object":"1 captured evidence page","text":"Senior Software Engineer, Core Open-Source- Marimo has evidence coverage 1 captured evidence page."}]},"signal":{"id":"6ed0019c-1f5e-45fb-99f1-9dce30b263f2","url":"https://onlylabs.fyi/signals/6ed0019c-1f5e-45fb-99f1-9dce30b263f2","json_url":"https://onlylabs.fyi/signals/6ed0019c-1f5e-45fb-99f1-9dce30b263f2/signal.json","source_url":"https://coreweave.com/careers/job?4652254006&board=coreweave&gh_jid=4652254006","title":"Senior Software Engineer, Core Open-Source- Marimo","summary":"CoreWeave opened a hiring signal. onlylabs watches roles as demand indicators for teams, locations, and technical bets.","context":"\tBellevue, WA, Livingston, NJ , New York, NY, San Francisco, CA, Sunnyvale, CA, US - Remote","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"coreweave","name":"CoreWeave","category":"neocloud"},"occurred_at":"2026-06-09T20:20:16+00:00","first_seen_at":"2026-06-05T05:42:59.500082+00:00","date_source":"greenhouse.updated_at","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://coreweave.com/careers/job?4652254006&board=coreweave&gh_jid=4652254006"]},"facets":{"location":"\tBellevue, WA, Livingston, NJ , New York, NY, San Francisco, CA, Sunnyvale, CA, US - Remote","ats":"greenhouse"},"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":{"url":"https://coreweave.com/careers/job?4652254006&board=coreweave&gh_jid=4652254006","final_url":"https://coreweave.com/careers/job?4652254006&board=coreweave&gh_jid=4652254006","title":"Senior Software Engineer, Core Open-Source- Marimo","http_status":200,"content_type":"text/html; charset=utf-8","capture_method":"plain","fetched_at":"2026-06-10T07:04:25.996783+00:00","bytes":263095,"raw_path":"60a5cdb76825b62ead815bdb439a3c70c68244f84702f9c0d62edfa34a2ab68c.html","content_hash":"bc7e69828cf8b02be1957e1afd8cad86f6c905b1fd991dae378baf46ad77a119","excerpt_chars":1200,"truncated":true,"excerpt":"Explore Our Open Positions | CoreWeave Announcement Announcement Webinar Announcement Podcast Announcement GTC 2026 Announcement CoreWeave brings up the industry’s first NVIDIA Vera Rubin NVL72 deployment. 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Read more Products Data and storage Infrastructure control Runtime acceleration Model and agent development Mission control Solutions Pricing Resources About us Contact us Login Contact us Login Clear Openings in the US → Openings in Europe → Openings in Canada → Openings at Weights & Biases → Contact us Login Products GPU Compute CPU Compute Storage Services Networking Services Managed Services Bare Metal Servers Platform Fleet LifeCycle Controller Node LifeCycle Controller Tensorizer Observability Solutions AI Model Training AI Inference VFX & Rendering Mission Control AI Infrastructure Why CoreWeave Resources Customer Stories Documentation Status Pricing Resource Center Events & Webinars About About Us Careers Life at CoreWeave Newsroom Investor Relations Supplier Code of Conduct Privacy Policy Terms of Service Do Not Sell or Share My Personal Information © CoreWeave. 290 W Mt Pleasant Ave Suite 4100 Livingston, NJ 07039"}],"related_signals":[{"id":"20e6f925-7496-442a-8c68-dc1d7442501f","url":"https://onlylabs.fyi/signals/20e6f925-7496-442a-8c68-dc1d7442501f","source_url":"https://coreweave.com/careers/job?4660498006&board=coreweave&gh_jid=4660498006","title":"Finance Transformation, Senior Manager","context":"Dallas, TX","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"coreweave","name":"CoreWeave","category":"neocloud"},"occurred_at":"2026-06-10T23:34:04+00:00","first_seen_at":"2026-06-05T05:42:59.500082+00:00","date_source":"greenhouse.updated_at"},{"id":"36c9501d-2ef9-4746-a481-1eb0e423ba17","url":"https://onlylabs.fyi/signals/36c9501d-2ef9-4746-a481-1eb0e423ba17","source_url":"https://coreweave.com/careers/job?4624132006&board=coreweave&gh_jid=4624132006","title":"Staff Software Engineer, Infrastructure - Marimo","context":"Livingston, NJ / New York, NY / San Francisco, CA/ Sunnyvale, CA / Bellevue, WA / Remote - US","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"coreweave","name":"CoreWeave","category":"neocloud"},"occurred_at":"2026-06-10T22:31:16+00:00","first_seen_at":"2026-06-05T05:42:59.500082+00:00","date_source":"greenhouse.updated_at"},{"id":"0f8d06c0-e34c-43cd-ab35-708316aa6775","url":"https://onlylabs.fyi/signals/0f8d06c0-e34c-43cd-ab35-708316aa6775","source_url":"https://coreweave.com/careers/job?4688521006&board=coreweave&gh_jid=4688521006","title":"Manager, Technical Support Engineering","context":"London, UK","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"coreweave","name":"CoreWeave","category":"neocloud"},"occurred_at":"2026-06-10T22:00:04+00:00","first_seen_at":"2026-06-11T07:01:26.278139+00:00","date_source":"greenhouse.updated_at"},{"id":"3b3d77b0-a805-40ae-abe2-6b7795ce0776","url":"https://onlylabs.fyi/signals/3b3d77b0-a805-40ae-abe2-6b7795ce0776","source_url":"https://coreweave.com/careers/job?4647611006&board=coreweave&gh_jid=4647611006","title":"Senior Software Engineer II, Applied Training","context":"New York, NY / Sunnyvale, CA / Bellevue, WA","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"coreweave","name":"CoreWeave","category":"neocloud"},"occurred_at":"2026-06-10T21:40:00+00:00","first_seen_at":"2026-06-05T05:42:59.500082+00:00","date_source":"greenhouse.updated_at"},{"id":"b3e66cd2-c627-4f84-9331-c092b87e0e62","url":"https://onlylabs.fyi/signals/b3e66cd2-c627-4f84-9331-c092b87e0e62","source_url":"https://coreweave.com/careers/job?4604832006&board=coreweave&gh_jid=4604832006","title":"Senior Software Engineer, Inference","context":"Sunnyvale, CA / Bellevue, WA","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"coreweave","name":"CoreWeave","category":"neocloud"},"occurred_at":"2026-06-10T21:39:20+00:00","first_seen_at":"2026-06-05T05:42:59.500082+00:00","date_source":"greenhouse.updated_at"},{"id":"7b4107f5-0bf0-4400-87ff-0e4d720a3a00","url":"https://onlylabs.fyi/signals/7b4107f5-0bf0-4400-87ff-0e4d720a3a00","source_url":"https://coreweave.com/careers/job?4688327006&board=coreweave&gh_jid=4688327006","title":"Senior Engineer, Storage Control Plane","context":"Livingston, NJ / New York, NY / Sunnyvale, CA / Bellevue, WA ","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"coreweave","name":"CoreWeave","category":"neocloud"},"occurred_at":"2026-06-10T21:25:33+00:00","first_seen_at":"2026-06-11T07:01:26.278139+00:00","date_source":"greenhouse.updated_at"}]}