{"schema_version":"onlylabs.public_signal.v1","title":"Anthropic Job: Software Engineer, Systems - Claude Code","description":"Anthropic job signal with public source context, captured evidence pages, related signals, and data-business radar classification.","url":"https://onlylabs.fyi/signals/4a939234-b01f-4eae-bac5-970b3c8a7868","json_url":"https://onlylabs.fyi/signals/4a939234-b01f-4eae-bac5-970b3c8a7868/signal.json","generated_at":"2026-06-10T07:04:44.871+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/4a939234-b01f-4eae-bac5-970b3c8a7868","signal_json":"https://onlylabs.fyi/signals/4a939234-b01f-4eae-bac5-970b3c8a7868/signal.json","source":"https://job-boards.greenhouse.io/anthropic/jobs/5218395008","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":{"radar":"https://onlylabs.fyi/data-radar","radar_json":"https://onlylabs.fyi/data-radar.json","opportunities":"https://onlylabs.fyi/opportunities","opportunities_json":"https://onlylabs.fyi/opportunities.json","lanes":[{"key":"infrastructure","label":"Infrastructure","url":"https://onlylabs.fyi/data-radar/infrastructure","json_url":"https://onlylabs.fyi/data-radar/infrastructure/signals.json"}]}},"answer_pack":{"answer":"Anthropic opened Software Engineer, Systems - Claude Code (San Francisco, CA). This hiring signal is demand evidence for teams, locations, and technical bets being staffed. High-signal details: location San Francisco, CA · Routine job posting at AI lab. onlylabs links this event to 1 captured evidence page and 6 related job signals. It also maps to Infrastructure in the data-business radar.","signal_desk":"hiring","source_context":{"source_url":"https://job-boards.greenhouse.io/anthropic/jobs/5218395008","source_host":"job-boards.greenhouse.io","occurred_at":"2026-05-13T19:36:08+00:00","first_seen_at":"2026-06-05T05:42:57.438244+00:00","date_source":"source","context":"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":"San Francisco, CA","source":"signal"},{"label":"ATS","value":"greenhouse","source":"source"},{"label":"Notability","value":"Routine job posting at AI lab","source":"signal"},{"label":"Radar lane","value":"Infrastructure","source":"radar"},{"label":"Matched term","value":"systems","source":"radar"},{"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":["exa"],"missing_page_urls":[],"failed_page_urls":[],"blocked_page_urls":[],"page_urls":["https://job-boards.greenhouse.io/anthropic/jobs/5218395008"],"related_signals":6,"has_source_url":true,"latest_page_fetched_at":"2026-06-10T07:04:44.871+00:00"},"data_business":{"matches":true,"lanes":[{"key":"infrastructure","label":"Infrastructure","url":"https://onlylabs.fyi/data-radar/infrastructure","json_url":"https://onlylabs.fyi/data-radar/infrastructure/signals.json"}],"matched_terms":["systems"],"score":15,"reason":"Anthropic has a job signal matching infrastructure."},"agent_handoff":{"signal_json":"https://onlylabs.fyi/signals/4a939234-b01f-4eae-bac5-970b3c8a7868/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":"https://onlylabs.fyi/data-radar.json","opportunities_json":"https://onlylabs.fyi/opportunities.json"},"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?","Which data-business lane explains this signal: Infrastructure?","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/4a939234-b01f-4eae-bac5-970b3c8a7868/signal.json","required":true},{"label":"source","url":"https://job-boards.greenhouse.io/anthropic/jobs/5218395008","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":"https://onlylabs.fyi/data-radar.json","required":true}],"expected_output":["one-paragraph source-grounded interpretation","data-business 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 \"Software Engineer, Systems - Claude Code\" for frontier lab strategy and data-business implications."},"semantic_triples":[{"subject":"Anthropic","predicate":"opened","object":"role Software Engineer, Systems - Claude Code","text":"Anthropic opened role Software Engineer, Systems - Claude Code."},{"subject":"Software Engineer, Systems - Claude Code","predicate":"is classified as","object":"job signal","text":"Software Engineer, Systems - Claude Code is classified as job signal."},{"subject":"Software Engineer, Systems - Claude Code","predicate":"belongs to","object":"hiring desk","text":"Software Engineer, Systems - Claude Code belongs to hiring desk."},{"subject":"Software Engineer, Systems - Claude Code","predicate":"has context","object":"San Francisco, CA","text":"Software Engineer, Systems - Claude Code has context San Francisco, CA."},{"subject":"Software Engineer, Systems - Claude Code","predicate":"has evidence coverage","object":"1 captured evidence page","text":"Software Engineer, Systems - Claude Code has evidence coverage 1 captured evidence page."},{"subject":"Software Engineer, Systems - Claude Code","predicate":"matches data-business lanes","object":"Infrastructure","text":"Software Engineer, Systems - Claude Code matches data-business lanes Infrastructure."},{"subject":"Software Engineer, Systems - Claude Code","predicate":"has captured page count","object":"1","text":"Software Engineer, Systems - Claude Code has captured page count 1."},{"subject":"Software Engineer, Systems - Claude Code","predicate":"has readable page count","object":"1","text":"Software Engineer, Systems - Claude Code has readable page count 1."},{"subject":"Software Engineer, Systems - Claude Code","predicate":"has related signal count","object":"6","text":"Software Engineer, Systems - Claude Code has related signal count 6."},{"subject":"Software Engineer, Systems - Claude Code","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":"Software Engineer, Systems - Claude Code has analysis playbook objective Turn open roles into leading indicators for teams, locations, infrastructure needs, eval work, data demand, and commercialization buildout.."},{"subject":"Software Engineer, Systems - Claude Code","predicate":"has source host","object":"job-boards.greenhouse.io","text":"Software Engineer, Systems - Claude Code has source host job-boards.greenhouse.io."},{"subject":"Software Engineer, Systems - Claude Code","predicate":"has lab","object":"Anthropic","text":"Software Engineer, Systems - Claude Code has lab Anthropic."},{"subject":"Software Engineer, Systems - Claude Code","predicate":"has signal desk","object":"hiring","text":"Software Engineer, Systems - Claude Code has signal desk hiring."},{"subject":"Software Engineer, Systems - Claude Code","predicate":"has source host","object":"job-boards.greenhouse.io","text":"Software Engineer, Systems - Claude Code has source host job-boards.greenhouse.io."},{"subject":"Software Engineer, Systems - Claude Code","predicate":"has location","object":"San Francisco, CA","text":"Software Engineer, Systems - Claude Code has location San Francisco, CA."},{"subject":"Software Engineer, Systems - Claude Code","predicate":"has ats","object":"greenhouse","text":"Software Engineer, Systems - Claude Code has ats greenhouse."},{"subject":"Software Engineer, Systems - Claude Code","predicate":"has notability","object":"Routine job posting at AI lab","text":"Software Engineer, Systems - Claude Code has notability Routine job posting at AI lab."},{"subject":"Software Engineer, Systems - Claude Code","predicate":"has radar lane","object":"Infrastructure","text":"Software Engineer, Systems - Claude Code has radar lane Infrastructure."},{"subject":"Software Engineer, Systems - Claude Code","predicate":"has matched term","object":"systems","text":"Software Engineer, Systems - Claude Code has matched term systems."}]},"intelligence":{"signal_desk":"hiring","answer":"Anthropic opened Software Engineer, Systems - Claude Code (San Francisco, CA). This hiring signal is demand evidence for teams, locations, and technical bets being staffed. High-signal details: location San Francisco, CA · Routine job posting at AI lab. onlylabs links this event to 1 captured evidence page and 6 related job signals. It also maps to Infrastructure in the data-business radar.","semantic_triples":[{"subject":"Anthropic","predicate":"opened","object":"role Software Engineer, Systems - Claude Code","text":"Anthropic opened role Software Engineer, Systems - Claude Code."},{"subject":"Software Engineer, Systems - Claude Code","predicate":"is classified as","object":"job signal","text":"Software Engineer, Systems - Claude Code is classified as job signal."},{"subject":"Software Engineer, Systems - Claude Code","predicate":"belongs to","object":"hiring desk","text":"Software Engineer, Systems - Claude Code belongs to hiring desk."},{"subject":"Software Engineer, Systems - Claude Code","predicate":"has context","object":"San Francisco, CA","text":"Software Engineer, Systems - Claude Code has context San Francisco, CA."},{"subject":"Software Engineer, Systems - Claude Code","predicate":"has evidence coverage","object":"1 captured evidence page","text":"Software Engineer, Systems - Claude Code has evidence coverage 1 captured evidence page."},{"subject":"Software Engineer, Systems - Claude Code","predicate":"matches data-business lanes","object":"Infrastructure","text":"Software Engineer, Systems - Claude Code matches data-business lanes Infrastructure."}]},"signal":{"id":"4a939234-b01f-4eae-bac5-970b3c8a7868","url":"https://onlylabs.fyi/signals/4a939234-b01f-4eae-bac5-970b3c8a7868","json_url":"https://onlylabs.fyi/signals/4a939234-b01f-4eae-bac5-970b3c8a7868/signal.json","source_url":"https://job-boards.greenhouse.io/anthropic/jobs/5218395008","title":"Software Engineer, Systems - Claude Code","summary":"Anthropic opened a hiring signal. onlylabs watches roles as demand indicators for teams, locations, and technical bets.","context":"San Francisco, CA","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"anthropic","name":"Anthropic","category":"frontier-lab"},"occurred_at":"2026-05-13T19:36:08+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":["exa"],"missing_page_urls":[],"failed_page_urls":[],"blocked_page_urls":[],"page_urls":["https://job-boards.greenhouse.io/anthropic/jobs/5218395008"]},"facets":{"location":"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":{"lanes":[{"key":"infrastructure","label":"Infrastructure","url":"https://onlylabs.fyi/data-radar/infrastructure"}],"score":15,"matched_terms":["systems"],"reason":"Anthropic has a job signal matching infrastructure."}},"primary_evidence_page":{"url":"https://job-boards.greenhouse.io/anthropic/jobs/5218395008","final_url":"https://job-boards.greenhouse.io/anthropic/jobs/5218395008","title":"Software Engineer, Systems - Claude Code","http_status":200,"content_type":null,"capture_method":"exa","fetched_at":"2026-06-10T07:04:44.871+00:00","bytes":null,"raw_path":null,"content_hash":null,"excerpt_chars":1200,"truncated":true,"excerpt":"Job Application for Software Engineer, Systems - Claude Code at Anthropic Software Engineer, Systems - Claude Code 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. At Anthropic, we believe new AI capabilities are best achieved through secure foundations, not in spite of them. As capabilities grow more advanced, it is critical that progress moves forward safely and for the benefit of all society. It is the reason why security sits at the center of our work, and not as an afterthought. We're looking for a systems-oriented Software Engineer to push the performance and reliability of Claude Code and the JavaScript runtime that powers it. Claude Code is our terminal-first, agentic coding tool, and a huge part of what makes it fast—and what lets us ship quickly—is Bun. This role sits at that intersection: you'll work deep in the runtime, the kernel interfaces it sits on top of,..."},"evidence_pages":[{"url":"https://job-boards.greenhouse.io/anthropic/jobs/5218395008","final_url":"https://job-boards.greenhouse.io/anthropic/jobs/5218395008","title":"Software Engineer, Systems - Claude Code","http_status":200,"content_type":null,"capture_method":"exa","fetched_at":"2026-06-10T07:04:44.871+00:00","bytes":null,"raw_path":null,"content_hash":null,"excerpt_chars":1200,"truncated":true,"excerpt":"Job Application for Software Engineer, Systems - Claude Code at Anthropic Software Engineer, Systems - Claude Code 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. At Anthropic, we believe new AI capabilities are best achieved through secure foundations, not in spite of them. As capabilities grow more advanced, it is critical that progress moves forward safely and for the benefit of all society. It is the reason why security sits at the center of our work, and not as an afterthought. We're looking for a systems-oriented Software Engineer to push the performance and reliability of Claude Code and the JavaScript runtime that powers it. Claude Code is our terminal-first, agentic coding tool, and a huge part of what makes it fast—and what lets us ship quickly—is Bun. This role sits at that intersection: you'll work deep in the runtime, the kernel interfaces it sits on top of,..."}],"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"}]}