{"schema_version":"onlylabs.public_signal.v1","title":"Lightning AI Job: Backend Engineer","description":"Lightning AI job signal with public source context, captured evidence pages, related signals, and category-scoped analysis context.","url":"https://onlylabs.fyi/signals/cb68cbce-cc61-4fde-bec4-bb2be5fe6dad","json_url":"https://onlylabs.fyi/signals/cb68cbce-cc61-4fde-bec4-bb2be5fe6dad/signal.json","generated_at":"2026-06-11T04:11:29.14264+00:00","org":{"slug":"lightning-ai","name":"Lightning AI","category":"neocloud","category_label":"Neocloud","dossier_url":"https://onlylabs.fyi/labs/lightning-ai","dossier_json_url":"https://onlylabs.fyi/labs/lightning-ai/dossier.json"},"related_urls":{"signal":"https://onlylabs.fyi/signals/cb68cbce-cc61-4fde-bec4-bb2be5fe6dad","signal_json":"https://onlylabs.fyi/signals/cb68cbce-cc61-4fde-bec4-bb2be5fe6dad/signal.json","source":"https://job-boards.greenhouse.io/lightningai/jobs/5740846003","lab_dossier":"https://onlylabs.fyi/labs/lightning-ai","lab_dossier_json":"https://onlylabs.fyi/labs/lightning-ai/dossier.json","analysis":"https://onlylabs.fyi/analysis/lightning-ai","analysis_json":"https://onlylabs.fyi/analysis/lightning-ai/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/lightning-ai/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":"Lightning AI opened Backend Engineer (London, England, United Kingdom; New York, New York, United States; San Francisco, California, United States; Seattle, Washington, United States). This hiring signal is demand evidence for teams, locations, and technical bets being staffed. High-signal details: location London, England, United Kingdom; New York, New York, United States; San Francisco, California, United States; Seattle, Washington, United States · Routine job posting. 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/lightningai/jobs/5740846003","source_host":"job-boards.greenhouse.io","occurred_at":"2026-05-27T16:29:32+00:00","first_seen_at":"2026-06-05T22:32:14.438038+00:00","date_source":"greenhouse.updated_at","context":"London, England, United Kingdom; New York, New York, United States; San Francisco, California, United States; Seattle, Washington, United States"},"context_markers":[{"label":"Lab","value":"Lightning AI","source":"signal"},{"label":"Signal desk","value":"hiring","source":"signal"},{"label":"Source host","value":"job-boards.greenhouse.io","source":"source"},{"label":"Location","value":"London, England, United Kingdom; New York, New York, United States; San Francisco, California, United States;...","source":"signal"},{"label":"ATS","value":"greenhouse","source":"source"},{"label":"Notability","value":"Routine job posting","source":"signal"},{"label":"Watch term","value":"Eval methodology","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/lightningai/jobs/5740846003"],"related_signals":6,"has_source_url":true,"latest_page_fetched_at":"2026-06-11T04:11:29.14264+00:00"},"data_business":{"matches":false,"lanes":[],"matched_terms":[],"score":null,"reason":null},"agent_handoff":{"signal_json":"https://onlylabs.fyi/signals/cb68cbce-cc61-4fde-bec4-bb2be5fe6dad/signal.json","dossier_json":"https://onlylabs.fyi/labs/lightning-ai/dossier.json","analysis_json":"https://onlylabs.fyi/analysis/lightning-ai/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/lightning-ai/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/cb68cbce-cc61-4fde-bec4-bb2be5fe6dad/signal.json","required":true},{"label":"source","url":"https://job-boards.greenhouse.io/lightningai/jobs/5740846003","required":true},{"label":"dossier_json","url":"https://onlylabs.fyi/labs/lightning-ai/dossier.json","required":true},{"label":"analysis_evidence_json","url":"https://onlylabs.fyi/analysis/lightning-ai/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 Lightning AI's job signal \"Backend Engineer\" for neocloud strategy."},"semantic_triples":[{"subject":"Lightning AI","predicate":"opened","object":"role Backend Engineer","text":"Lightning AI opened role Backend Engineer."},{"subject":"Backend Engineer","predicate":"is classified as","object":"job signal","text":"Backend Engineer is classified as job signal."},{"subject":"Backend Engineer","predicate":"belongs to","object":"hiring desk","text":"Backend Engineer belongs to hiring desk."},{"subject":"Backend Engineer","predicate":"has context","object":"London, England, United Kingdom; New York, New York, United States; San Francisco, California, United States; Seattle, Washington, United States","text":"Backend Engineer has context London, England, United Kingdom; New York, New York, United States; San Francisco, California, United States; Seattle, Washington, United States."},{"subject":"Backend Engineer","predicate":"has evidence coverage","object":"1 captured evidence page","text":"Backend Engineer has evidence coverage 1 captured evidence page."},{"subject":"Backend Engineer","predicate":"has captured page count","object":"1","text":"Backend Engineer has captured page count 1."},{"subject":"Backend Engineer","predicate":"has readable page count","object":"1","text":"Backend Engineer has readable page count 1."},{"subject":"Backend Engineer","predicate":"has related signal count","object":"6","text":"Backend Engineer has related signal count 6."},{"subject":"Backend Engineer","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":"Backend Engineer has analysis playbook objective Turn open roles into leading indicators for teams, locations, infrastructure needs, eval work, data demand, and commercialization buildout.."},{"subject":"Backend Engineer","predicate":"has source host","object":"job-boards.greenhouse.io","text":"Backend Engineer has source host job-boards.greenhouse.io."},{"subject":"Backend Engineer","predicate":"has lab","object":"Lightning AI","text":"Backend Engineer has lab Lightning AI."},{"subject":"Backend Engineer","predicate":"has signal desk","object":"hiring","text":"Backend Engineer has signal desk hiring."},{"subject":"Backend Engineer","predicate":"has source host","object":"job-boards.greenhouse.io","text":"Backend Engineer has source host job-boards.greenhouse.io."},{"subject":"Backend Engineer","predicate":"has location","object":"London, England, United Kingdom; New York, New York, United States; San Francisco, California, United States;...","text":"Backend Engineer has location London, England, United Kingdom; New York, New York, United States; San Francisco, California, United States;...."},{"subject":"Backend Engineer","predicate":"has ats","object":"greenhouse","text":"Backend Engineer has ats greenhouse."},{"subject":"Backend Engineer","predicate":"has notability","object":"Routine job posting","text":"Backend Engineer has notability Routine job posting."},{"subject":"Backend Engineer","predicate":"has watch term","object":"Eval methodology","text":"Backend Engineer has watch term Eval methodology."},{"subject":"Backend Engineer","predicate":"has watch term","object":"Infrastructure","text":"Backend Engineer has watch term Infrastructure."}]},"intelligence":{"signal_desk":"hiring","answer":"Lightning AI opened Backend Engineer (London, England, United Kingdom; New York, New York, United States; San Francisco, California, United States; Seattle, Washington, United States). This hiring signal is demand evidence for teams, locations, and technical bets being staffed. High-signal details: location London, England, United Kingdom; New York, New York, United States; San Francisco, California, United States; Seattle, Washington, United States · Routine job posting. onlylabs links this event to 1 captured evidence page and 6 related job signals.","semantic_triples":[{"subject":"Lightning AI","predicate":"opened","object":"role Backend Engineer","text":"Lightning AI opened role Backend Engineer."},{"subject":"Backend Engineer","predicate":"is classified as","object":"job signal","text":"Backend Engineer is classified as job signal."},{"subject":"Backend Engineer","predicate":"belongs to","object":"hiring desk","text":"Backend Engineer belongs to hiring desk."},{"subject":"Backend Engineer","predicate":"has context","object":"London, England, United Kingdom; New York, New York, United States; San Francisco, California, United States; Seattle, Washington, United States","text":"Backend Engineer has context London, England, United Kingdom; New York, New York, United States; San Francisco, California, United States; Seattle, Washington, United States."},{"subject":"Backend Engineer","predicate":"has evidence coverage","object":"1 captured evidence page","text":"Backend Engineer has evidence coverage 1 captured evidence page."}]},"signal":{"id":"cb68cbce-cc61-4fde-bec4-bb2be5fe6dad","url":"https://onlylabs.fyi/signals/cb68cbce-cc61-4fde-bec4-bb2be5fe6dad","json_url":"https://onlylabs.fyi/signals/cb68cbce-cc61-4fde-bec4-bb2be5fe6dad/signal.json","source_url":"https://job-boards.greenhouse.io/lightningai/jobs/5740846003","title":"Backend Engineer","summary":"Lightning AI opened a hiring signal. onlylabs watches roles as demand indicators for teams, locations, and technical bets.","context":"London, England, United Kingdom; New York, New York, United States; San Francisco, California, United States; Seattle, Washington, United States","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"lightning-ai","name":"Lightning AI","category":"neocloud"},"occurred_at":"2026-05-27T16:29:32+00:00","first_seen_at":"2026-06-05T22:32:14.438038+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://job-boards.greenhouse.io/lightningai/jobs/5740846003"]},"facets":{"location":"London, England, United Kingdom; New York, New York, United States; San Francisco, California, United States; Seattle, Washington, United States","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/lightningai/jobs/5740846003","final_url":"https://job-boards.greenhouse.io/lightningai/jobs/5740846003","title":"Backend Engineer","http_status":200,"content_type":"text/html; charset=utf-8","capture_method":"plain","fetched_at":"2026-06-11T04:11:29.14264+00:00","bytes":89402,"raw_path":"dfe8953081ee84aa0936739c738b4ae6137943e4a746625121c116fe758256cf.html","content_hash":"68311fafc4ce05a84ef5d605df9ba66698178cf15f5f44816d303d742bb0a5fb","excerpt_chars":1200,"truncated":true,"excerpt":"Job Application for Backend Engineer at Lightning AI Back to jobs Backend Engineer London, England, United Kingdom; New York, New York, United States; San Francisco, California, United States; Seattle, Washington, United States Apply Who We Are Lightning AI is the company behind PyTorch Lightning. Founded in 2019, we build an end-to-end platform for developing, training, and deploying AI systems—designed to take ideas from research to production with less friction. Through our merger with Voltage Park, a neocloud and AI Factory, Lightning AI combines developer-first software with cost-efficient, large-scale compute. Teams get the tools they need for experimentation, training, and production inference, with security, observability, and control built in. We serve solo researchers, startups, and large enterprises. Lightning AI operates globally with offices in New York City, San Francisco, Seattle, and London, and is backed by Coatue, Index Ventures, Bain Capital Ventures, and Firstminute. What We're Looking For We’re looking for a Backend Engineer to help develop and scale the Lightning AI platform, spanning APIs, infrastructure, billing, security, and integrations. In this role,..."},"evidence_pages":[{"url":"https://job-boards.greenhouse.io/lightningai/jobs/5740846003","final_url":"https://job-boards.greenhouse.io/lightningai/jobs/5740846003","title":"Backend Engineer","http_status":200,"content_type":"text/html; charset=utf-8","capture_method":"plain","fetched_at":"2026-06-11T04:11:29.14264+00:00","bytes":89402,"raw_path":"dfe8953081ee84aa0936739c738b4ae6137943e4a746625121c116fe758256cf.html","content_hash":"68311fafc4ce05a84ef5d605df9ba66698178cf15f5f44816d303d742bb0a5fb","excerpt_chars":1200,"truncated":true,"excerpt":"Job Application for Backend Engineer at Lightning AI Back to jobs Backend Engineer London, England, United Kingdom; New York, New York, United States; San Francisco, California, United States; Seattle, Washington, United States Apply Who We Are Lightning AI is the company behind PyTorch Lightning. Founded in 2019, we build an end-to-end platform for developing, training, and deploying AI systems—designed to take ideas from research to production with less friction. Through our merger with Voltage Park, a neocloud and AI Factory, Lightning AI combines developer-first software with cost-efficient, large-scale compute. Teams get the tools they need for experimentation, training, and production inference, with security, observability, and control built in. We serve solo researchers, startups, and large enterprises. Lightning AI operates globally with offices in New York City, San Francisco, Seattle, and London, and is backed by Coatue, Index Ventures, Bain Capital Ventures, and Firstminute. What We're Looking For We’re looking for a Backend Engineer to help develop and scale the Lightning AI platform, spanning APIs, infrastructure, billing, security, and integrations. In this role,..."}],"related_signals":[{"id":"87e6a371-e320-42ab-a16a-e02ea728c439","url":"https://onlylabs.fyi/signals/87e6a371-e320-42ab-a16a-e02ea728c439","source_url":"https://job-boards.greenhouse.io/lightningai/jobs/5868155003","title":"Machine Learning Solutions Engineer (ML + Infrastructure Focus)","context":"New York, New York, United States; San Francisco, California, United States; Seattle, Washington, United States","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"lightning-ai","name":"Lightning AI","category":"neocloud"},"occurred_at":"2026-06-08T22:17:12+00:00","first_seen_at":"2026-06-05T22:32:14.438038+00:00","date_source":"greenhouse.updated_at"},{"id":"869aced8-8353-449f-b86e-8fd41058d6ad","url":"https://onlylabs.fyi/signals/869aced8-8353-449f-b86e-8fd41058d6ad","source_url":"https://job-boards.greenhouse.io/lightningai/jobs/7746583003","title":"Platform Support Engineer (US)","context":"San Francisco, California, United States; Seattle, Washington, United States","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"lightning-ai","name":"Lightning AI","category":"neocloud"},"occurred_at":"2026-06-05T19:19:25+00:00","first_seen_at":"2026-06-05T22:32:14.438038+00:00","date_source":"greenhouse.updated_at"},{"id":"b5e94bc7-46ff-4745-b7dc-1171b305611d","url":"https://onlylabs.fyi/signals/b5e94bc7-46ff-4745-b7dc-1171b305611d","source_url":"https://job-boards.greenhouse.io/lightningai/jobs/7763516003","title":"Senior Network Engineer","context":"Remote","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"lightning-ai","name":"Lightning AI","category":"neocloud"},"occurred_at":"2026-06-04T15:49:07+00:00","first_seen_at":"2026-06-05T22:32:14.438038+00:00","date_source":"greenhouse.updated_at"},{"id":"35f536ca-c532-485d-bff0-2585f65904cd","url":"https://onlylabs.fyi/signals/35f536ca-c532-485d-bff0-2585f65904cd","source_url":"https://job-boards.greenhouse.io/lightningai/jobs/7747839003","title":"Senior Technical Recruiter","context":"San Francisco, California, United States","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"lightning-ai","name":"Lightning AI","category":"neocloud"},"occurred_at":"2026-06-03T14:00:11+00:00","first_seen_at":"2026-06-05T22:32:14.438038+00:00","date_source":"greenhouse.updated_at"},{"id":"c6794837-b01c-4907-895b-4ec4f7e79b6c","url":"https://onlylabs.fyi/signals/c6794837-b01c-4907-895b-4ec4f7e79b6c","source_url":"https://job-boards.greenhouse.io/lightningai/jobs/7718708003","title":"Infrastructure Engineer (Storage)","context":"New York, New York, United States; Remote; San Francisco, California, United States; Seattle, Washington, United States","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"lightning-ai","name":"Lightning AI","category":"neocloud"},"occurred_at":"2026-05-27T16:29:32+00:00","first_seen_at":"2026-06-05T22:32:14.438038+00:00","date_source":"greenhouse.updated_at"},{"id":"f1501931-6adb-465c-9e06-dfe50a3db109","url":"https://onlylabs.fyi/signals/f1501931-6adb-465c-9e06-dfe50a3db109","source_url":"https://job-boards.greenhouse.io/lightningai/jobs/6969534003","title":"Sales Development Representative","context":"New York, New York, United States","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"lightning-ai","name":"Lightning AI","category":"neocloud"},"occurred_at":"2026-05-27T16:29:32+00:00","first_seen_at":"2026-06-05T22:32:14.438038+00:00","date_source":"greenhouse.updated_at"}]}