{"schema_version":"onlylabs.public_signal.v1","title":"Anthropic Job: Anthropic Fellows Program, Reinforcement Learning","description":"Anthropic job signal with public source context, captured evidence pages, related signals, and data-business radar classification.","url":"https://onlylabs.fyi/signals/978719f2-2782-423c-957e-55b61283505a","json_url":"https://onlylabs.fyi/signals/978719f2-2782-423c-957e-55b61283505a/signal.json","generated_at":"2026-06-09T02:21:38.62784+00:00","org":{"slug":"anthropic","name":"Anthropic","category":"frontier-lab","category_label":"Frontier lab","dossier_url":"https://onlylabs.fyi/labs/anthropic","dossier_json_url":"https://onlylabs.fyi/labs/anthropic/dossier.json"},"related_urls":{"signal":"https://onlylabs.fyi/signals/978719f2-2782-423c-957e-55b61283505a","signal_json":"https://onlylabs.fyi/signals/978719f2-2782-423c-957e-55b61283505a/signal.json","source":"https://job-boards.greenhouse.io/anthropic/jobs/5183052008","lab_dossier":"https://onlylabs.fyi/labs/anthropic","lab_dossier_json":"https://onlylabs.fyi/labs/anthropic/dossier.json","analysis":"https://onlylabs.fyi/analysis/anthropic","analysis_json":"https://onlylabs.fyi/analysis/anthropic/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/anthropic/evidence.json","category":"https://onlylabs.fyi/frontier","category_json":"https://onlylabs.fyi/frontier.json","category_feed":"https://onlylabs.fyi/frontier/feed.xml","category_signals_json":"https://onlylabs.fyi/signals.json","topic":"https://onlylabs.fyi/topics/hiring","topic_signals_json":"https://onlylabs.fyi/topics/hiring/signals.json","topic_feed":"https://onlylabs.fyi/topics/hiring/feed.xml","data_business":null},"answer_pack":{"answer":"Anthropic opened Anthropic Fellows Program, Reinforcement Learning (London, UK; Ontario, CAN; Remote-Friendly, United States; San Francisco, CA). This hiring signal is demand evidence for teams, locations, and technical bets being staffed. High-signal details: location London, UK; Ontario, CAN; Remote-Friendly, United States; San Francisco, CA · Routine job posting, low traction. onlylabs links this event to 1 captured evidence page and 6 related job signals.","signal_desk":"hiring","source_context":{"source_url":"https://job-boards.greenhouse.io/anthropic/jobs/5183052008","source_host":"job-boards.greenhouse.io","occurred_at":"2026-05-20T22:37:06+00:00","first_seen_at":"2026-06-05T05:42:57.438244+00:00","date_source":"source","context":"London, UK; Ontario, CAN; Remote-Friendly, United States; San Francisco, CA"},"context_markers":[{"label":"Lab","value":"Anthropic","source":"signal"},{"label":"Signal desk","value":"hiring","source":"signal"},{"label":"Source host","value":"job-boards.greenhouse.io","source":"source"},{"label":"Location","value":"London, UK; Ontario, CAN; Remote-Friendly, United States; San Francisco, CA","source":"signal"},{"label":"ATS","value":"greenhouse","source":"source"},{"label":"Notability","value":"Routine job posting, low traction","source":"signal"},{"label":"Watch term","value":"RL environments","source":"evidence"},{"label":"Watch term","value":"Infrastructure","source":"evidence"},{"label":"Watch term","value":"Safety and alignment","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://job-boards.greenhouse.io/anthropic/jobs/5183052008"],"related_signals":6,"has_source_url":true,"latest_page_fetched_at":"2026-06-09T02:21:38.62784+00:00"},"data_business":{"matches":false,"lanes":[],"matched_terms":[],"score":null,"reason":null},"agent_handoff":{"signal_json":"https://onlylabs.fyi/signals/978719f2-2782-423c-957e-55b61283505a/signal.json","dossier_json":"https://onlylabs.fyi/labs/anthropic/dossier.json","analysis_json":"https://onlylabs.fyi/analysis/anthropic/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/anthropic/evidence.json","topic_signals_json":"https://onlylabs.fyi/topics/hiring/signals.json","topic_feed":"https://onlylabs.fyi/topics/hiring/feed.xml","category_signals_json":"https://onlylabs.fyi/signals.json","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","data_business_lane","evidence_url"],"data_business_relevance":"Hiring is the earliest demand signal for where frontier labs may need data products, eval tooling, infra vendors, and workflow support.","required_sources":[{"label":"signal_json","url":"https://onlylabs.fyi/signals/978719f2-2782-423c-957e-55b61283505a/signal.json","required":true},{"label":"source","url":"https://job-boards.greenhouse.io/anthropic/jobs/5183052008","required":true},{"label":"dossier_json","url":"https://onlylabs.fyi/labs/anthropic/dossier.json","required":true},{"label":"analysis_evidence_json","url":"https://onlylabs.fyi/analysis/anthropic/evidence.json","required":true},{"label":"topic_signals_json","url":"https://onlylabs.fyi/topics/hiring/signals.json","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 Anthropic's job signal \"Anthropic Fellows Program, Reinforcement Learning\" for frontier lab strategy."},"semantic_triples":[{"subject":"Anthropic","predicate":"opened","object":"role Anthropic Fellows Program, Reinforcement Learning","text":"Anthropic opened role Anthropic Fellows Program, Reinforcement Learning."},{"subject":"Anthropic Fellows Program, Reinforcement Learning","predicate":"is classified as","object":"job signal","text":"Anthropic Fellows Program, Reinforcement Learning is classified as job signal."},{"subject":"Anthropic Fellows Program, Reinforcement Learning","predicate":"belongs to","object":"hiring desk","text":"Anthropic Fellows Program, Reinforcement Learning belongs to hiring desk."},{"subject":"Anthropic Fellows Program, Reinforcement Learning","predicate":"has context","object":"London, UK; Ontario, CAN; Remote-Friendly, United States; San Francisco, CA","text":"Anthropic Fellows Program, Reinforcement Learning has context London, UK; Ontario, CAN; Remote-Friendly, United States; San Francisco, CA."},{"subject":"Anthropic Fellows Program, Reinforcement Learning","predicate":"has evidence coverage","object":"1 captured evidence page","text":"Anthropic Fellows Program, Reinforcement Learning has evidence coverage 1 captured evidence page."},{"subject":"Anthropic Fellows Program, Reinforcement Learning","predicate":"has captured page count","object":"1","text":"Anthropic Fellows Program, Reinforcement Learning has captured page count 1."},{"subject":"Anthropic Fellows Program, Reinforcement Learning","predicate":"has readable page count","object":"1","text":"Anthropic Fellows Program, Reinforcement Learning has readable page count 1."},{"subject":"Anthropic Fellows Program, Reinforcement Learning","predicate":"has related signal count","object":"6","text":"Anthropic Fellows Program, Reinforcement Learning has related signal count 6."},{"subject":"Anthropic Fellows Program, Reinforcement Learning","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":"Anthropic Fellows Program, Reinforcement Learning has analysis playbook objective Turn open roles into leading indicators for teams, locations, infrastructure needs, eval work, data demand, and commercialization buildout.."},{"subject":"Anthropic Fellows Program, Reinforcement Learning","predicate":"has source host","object":"job-boards.greenhouse.io","text":"Anthropic Fellows Program, Reinforcement Learning has source host job-boards.greenhouse.io."},{"subject":"Anthropic Fellows Program, Reinforcement Learning","predicate":"has lab","object":"Anthropic","text":"Anthropic Fellows Program, Reinforcement Learning has lab Anthropic."},{"subject":"Anthropic Fellows Program, Reinforcement Learning","predicate":"has signal desk","object":"hiring","text":"Anthropic Fellows Program, Reinforcement Learning has signal desk hiring."},{"subject":"Anthropic Fellows Program, Reinforcement Learning","predicate":"has source host","object":"job-boards.greenhouse.io","text":"Anthropic Fellows Program, Reinforcement Learning has source host job-boards.greenhouse.io."},{"subject":"Anthropic Fellows Program, Reinforcement Learning","predicate":"has location","object":"London, UK; Ontario, CAN; Remote-Friendly, United States; San Francisco, CA","text":"Anthropic Fellows Program, Reinforcement Learning has location London, UK; Ontario, CAN; Remote-Friendly, United States; San Francisco, CA."},{"subject":"Anthropic Fellows Program, Reinforcement Learning","predicate":"has ats","object":"greenhouse","text":"Anthropic Fellows Program, Reinforcement Learning has ats greenhouse."},{"subject":"Anthropic Fellows Program, Reinforcement Learning","predicate":"has notability","object":"Routine job posting, low traction","text":"Anthropic Fellows Program, Reinforcement Learning has notability Routine job posting, low traction."},{"subject":"Anthropic Fellows Program, Reinforcement Learning","predicate":"has watch term","object":"RL environments","text":"Anthropic Fellows Program, Reinforcement Learning has watch term RL environments."},{"subject":"Anthropic Fellows Program, Reinforcement Learning","predicate":"has watch term","object":"Infrastructure","text":"Anthropic Fellows Program, Reinforcement Learning has watch term Infrastructure."}]},"intelligence":{"signal_desk":"hiring","answer":"Anthropic opened Anthropic Fellows Program, Reinforcement Learning (London, UK; Ontario, CAN; Remote-Friendly, United States; San Francisco, CA). This hiring signal is demand evidence for teams, locations, and technical bets being staffed. High-signal details: location London, UK; Ontario, CAN; Remote-Friendly, United States; San Francisco, CA · Routine job posting, low traction. onlylabs links this event to 1 captured evidence page and 6 related job signals.","semantic_triples":[{"subject":"Anthropic","predicate":"opened","object":"role Anthropic Fellows Program, Reinforcement Learning","text":"Anthropic opened role Anthropic Fellows Program, Reinforcement Learning."},{"subject":"Anthropic Fellows Program, Reinforcement Learning","predicate":"is classified as","object":"job signal","text":"Anthropic Fellows Program, Reinforcement Learning is classified as job signal."},{"subject":"Anthropic Fellows Program, Reinforcement Learning","predicate":"belongs to","object":"hiring desk","text":"Anthropic Fellows Program, Reinforcement Learning belongs to hiring desk."},{"subject":"Anthropic Fellows Program, Reinforcement Learning","predicate":"has context","object":"London, UK; Ontario, CAN; Remote-Friendly, United States; San Francisco, CA","text":"Anthropic Fellows Program, Reinforcement Learning has context London, UK; Ontario, CAN; Remote-Friendly, United States; San Francisco, CA."},{"subject":"Anthropic Fellows Program, Reinforcement Learning","predicate":"has evidence coverage","object":"1 captured evidence page","text":"Anthropic Fellows Program, Reinforcement Learning has evidence coverage 1 captured evidence page."}]},"signal":{"id":"978719f2-2782-423c-957e-55b61283505a","url":"https://onlylabs.fyi/signals/978719f2-2782-423c-957e-55b61283505a","json_url":"https://onlylabs.fyi/signals/978719f2-2782-423c-957e-55b61283505a/signal.json","source_url":"https://job-boards.greenhouse.io/anthropic/jobs/5183052008","title":"Anthropic Fellows Program, Reinforcement Learning","summary":"Anthropic opened a hiring signal. onlylabs watches roles as demand indicators for teams, locations, and technical bets.","context":"London, UK; Ontario, CAN; Remote-Friendly, United States; San Francisco, CA","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"anthropic","name":"Anthropic","category":"frontier-lab"},"occurred_at":"2026-05-20T22:37:06+00:00","first_seen_at":"2026-06-05T05:42:57.438244+00:00","date_source":"source","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://job-boards.greenhouse.io/anthropic/jobs/5183052008"]},"facets":{"location":"London, UK; Ontario, CAN; Remote-Friendly, United States; San Francisco, CA","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://job-boards.greenhouse.io/anthropic/jobs/5183052008","final_url":"https://job-boards.greenhouse.io/anthropic/jobs/5183052008","title":"Anthropic Fellows Program, Reinforcement Learning","http_status":200,"content_type":"text/html; charset=utf-8","capture_method":"plain","fetched_at":"2026-06-09T02:21:38.62784+00:00","bytes":64758,"raw_path":"c7f4045fc4b75505106dadfb4e36be05b761b0be2d0dedff8d665e6ce7a057f8.html","content_hash":"72bd38b0a192fcdc5a3e7cb7b6024136cb5b77d11eb2cdfceb1f34840099335e","excerpt_chars":1200,"truncated":true,"excerpt":"Job Application for Anthropic Fellows Program, Reinforcement Learning at Anthropic Back to jobs Anthropic Fellows Program, Reinforcement Learning London, UK; Ontario, CAN; Remote-Friendly, United States; San Francisco, CA Apply About Anthropic Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to build beneficial AI systems. Apply using this link . We are accepting applications on a rolling basis for the next cohort of Anthropic Fellows, which is expected to start in late September. In some circumstances, we can accommodate fellows starting outside the usual cohort timelines — please note in your application if the September start date doesn't work for you. This page is specific to one of the Anthropic Fellows Workstreams, see also the main Anthropic Fellows posting . Anthropic Fellows Program overview The Anthropic Fellows Program is designed to foster AI research and engineering talent. We provide funding and mentorship to promising technical..."},"evidence_pages":[{"url":"https://job-boards.greenhouse.io/anthropic/jobs/5183052008","final_url":"https://job-boards.greenhouse.io/anthropic/jobs/5183052008","title":"Anthropic Fellows Program, Reinforcement Learning","http_status":200,"content_type":"text/html; charset=utf-8","capture_method":"plain","fetched_at":"2026-06-09T02:21:38.62784+00:00","bytes":64758,"raw_path":"c7f4045fc4b75505106dadfb4e36be05b761b0be2d0dedff8d665e6ce7a057f8.html","content_hash":"72bd38b0a192fcdc5a3e7cb7b6024136cb5b77d11eb2cdfceb1f34840099335e","excerpt_chars":1200,"truncated":true,"excerpt":"Job Application for Anthropic Fellows Program, Reinforcement Learning at Anthropic Back to jobs Anthropic Fellows Program, Reinforcement Learning London, UK; Ontario, CAN; Remote-Friendly, United States; San Francisco, CA Apply About Anthropic Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to build beneficial AI systems. Apply using this link . We are accepting applications on a rolling basis for the next cohort of Anthropic Fellows, which is expected to start in late September. In some circumstances, we can accommodate fellows starting outside the usual cohort timelines — please note in your application if the September start date doesn't work for you. This page is specific to one of the Anthropic Fellows Workstreams, see also the main Anthropic Fellows posting . Anthropic Fellows Program overview The Anthropic Fellows Program is designed to foster AI research and engineering talent. We provide funding and mentorship to promising technical..."}],"related_signals":[{"id":"7545b64a-3699-4461-aa7b-591f0ff8399b","url":"https://onlylabs.fyi/signals/7545b64a-3699-4461-aa7b-591f0ff8399b","source_url":"https://job-boards.greenhouse.io/anthropic/jobs/5186852008","title":"Product Support Specialist (Singapore)","context":"Singapore","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"anthropic","name":"Anthropic","category":"frontier-lab"},"occurred_at":"2026-06-11T05:01:19+00:00","first_seen_at":"2026-06-05T05:42:57.438244+00:00","date_source":"greenhouse.updated_at"},{"id":"46fed67d-fb9e-4ec4-8fa5-e065cb534ade","url":"https://onlylabs.fyi/signals/46fed67d-fb9e-4ec4-8fa5-e065cb534ade","source_url":"https://job-boards.greenhouse.io/anthropic/jobs/5186965008","title":"Product Support Specialist (Singapore - Weekend Coverage)","context":"Singapore","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"anthropic","name":"Anthropic","category":"frontier-lab"},"occurred_at":"2026-06-11T05:01:17+00:00","first_seen_at":"2026-06-05T05:42:57.438244+00:00","date_source":"greenhouse.updated_at"},{"id":"22609fbe-e554-4224-8abb-7130c97381bf","url":"https://onlylabs.fyi/signals/22609fbe-e554-4224-8abb-7130c97381bf","source_url":"https://job-boards.greenhouse.io/anthropic/jobs/4979585008","title":"Product Support Specialist","context":"Boston, MA; San Francisco, CA | New York City, NY | Seattle, WA; Washington, DC","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"anthropic","name":"Anthropic","category":"frontier-lab"},"occurred_at":"2026-06-11T04:56:33+00:00","first_seen_at":"2026-06-05T05:42:57.438244+00:00","date_source":"greenhouse.updated_at"},{"id":"703f4263-e360-4fec-ae39-d05490a48eca","url":"https://onlylabs.fyi/signals/703f4263-e360-4fec-ae39-d05490a48eca","source_url":"https://job-boards.greenhouse.io/anthropic/jobs/5253274008","title":"Enterprise Threat Intelligence Lead, Global Safety, Intelligence & Security ","context":"San Francisco, CA | Seattle, WA | New York City, NY | Washington, DC","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"anthropic","name":"Anthropic","category":"frontier-lab"},"occurred_at":"2026-06-11T00:38:05+00:00","first_seen_at":"2026-06-11T07:01:03.928848+00:00","date_source":"greenhouse.updated_at"},{"id":"7828ae51-3421-41fd-961f-9e4cd74e828c","url":"https://onlylabs.fyi/signals/7828ae51-3421-41fd-961f-9e4cd74e828c","source_url":"https://job-boards.greenhouse.io/anthropic/jobs/5119468008","title":"Staff Software Engineer, People Products","context":"Remote-Friendly (Travel Required) | San Francisco, CA","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"anthropic","name":"Anthropic","category":"frontier-lab"},"occurred_at":"2026-06-11T00:21:00+00:00","first_seen_at":"2026-06-05T05:42:57.438244+00:00","date_source":"greenhouse.updated_at"},{"id":"e42bec4f-48c2-47da-b1ac-84d97f97f0f5","url":"https://onlylabs.fyi/signals/e42bec4f-48c2-47da-b1ac-84d97f97f0f5","source_url":"https://job-boards.greenhouse.io/anthropic/jobs/5194529008","title":"Marketing Events Lead, Brand","context":"San Francisco, CA | New York City, NY","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"anthropic","name":"Anthropic","category":"frontier-lab"},"occurred_at":"2026-06-11T00:15:44+00:00","first_seen_at":"2026-06-05T05:42:57.438244+00:00","date_source":"greenhouse.updated_at"}]}