{"schema_version":"onlylabs.public_signal.v1","title":"xAI Job: Backend Engineer - API","description":"xAI job signal with public source context, captured evidence pages, related signals, and data-business radar classification.","url":"https://onlylabs.fyi/signals/4c96b320-8018-4caf-9717-8a0d0daa4a31","json_url":"https://onlylabs.fyi/signals/4c96b320-8018-4caf-9717-8a0d0daa4a31/signal.json","generated_at":"2026-06-11T19:58:16.204Z","evidence_latest_fetched_at":"2026-06-11T07:04:04.497784+00:00","signal_first_seen_at":"2026-06-11T07:01:17.588498+00:00","org":{"slug":"xai","name":"xAI","category":"frontier-lab","category_label":"Frontier lab","dossier_url":"https://onlylabs.fyi/labs/xai","dossier_json_url":"https://onlylabs.fyi/labs/xai/dossier.json"},"related_urls":{"signal":"https://onlylabs.fyi/signals/4c96b320-8018-4caf-9717-8a0d0daa4a31","signal_json":"https://onlylabs.fyi/signals/4c96b320-8018-4caf-9717-8a0d0daa4a31/signal.json","source":"https://job-boards.greenhouse.io/xai/jobs/5119111007","lab_dossier":"https://onlylabs.fyi/labs/xai","lab_dossier_json":"https://onlylabs.fyi/labs/xai/dossier.json","analysis":"https://onlylabs.fyi/analysis/xai","analysis_json":"https://onlylabs.fyi/analysis/xai/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/xai/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":"xAI opened Backend Engineer - API (Palo Alto, CA). 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API (Palo Alto, CA). This hiring signal is demand evidence for teams, locations, and technical bets being staffed. High-signal details: location Palo Alto, CA · Job Application for Backend Engineer - API at xAI Back to jobs Backend Engineer - API Palo Alto, CA Apply ABOUT xAI xAI’s mission is to create AI systems that can.... onlylabs links this event to 1 captured evidence page and 6 related job signals.","semantic_triples":[{"subject":"xAI","predicate":"opened","object":"role Backend Engineer - API","text":"xAI opened role Backend Engineer - API."},{"subject":"Backend Engineer - API","predicate":"is classified as","object":"job signal","text":"Backend Engineer - API is classified as job signal."},{"subject":"Backend Engineer - API","predicate":"belongs to","object":"hiring desk","text":"Backend Engineer - API belongs to hiring desk."},{"subject":"Backend Engineer - API","predicate":"has context","object":"Palo Alto, CA","text":"Backend Engineer - API has context Palo Alto, CA."},{"subject":"Backend Engineer - API","predicate":"has evidence coverage","object":"1 captured evidence page","text":"Backend Engineer - API has evidence coverage 1 captured evidence page."}]},"signal":{"id":"4c96b320-8018-4caf-9717-8a0d0daa4a31","url":"https://onlylabs.fyi/signals/4c96b320-8018-4caf-9717-8a0d0daa4a31","json_url":"https://onlylabs.fyi/signals/4c96b320-8018-4caf-9717-8a0d0daa4a31/signal.json","source_url":"https://job-boards.greenhouse.io/xai/jobs/5119111007","title":"Backend Engineer - API","summary":"xAI opened a hiring signal. onlylabs watches roles as demand indicators for teams, locations, and technical bets.","context":"Palo Alto, CA","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"xai","name":"xAI","category":"frontier-lab"},"occurred_at":"2026-06-10T19:54:07+00:00","first_seen_at":"2026-06-11T07:01:17.588498+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/xai/jobs/5119111007"]},"facets":{"location":"Palo Alto, 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":{"is_primary":true,"source_match":true,"url":"https://job-boards.greenhouse.io/xai/jobs/5119111007","final_url":"https://job-boards.greenhouse.io/xai/jobs/5119111007","title":"Backend Engineer - API","http_status":200,"content_type":"text/html; charset=utf-8","capture_method":"plain","fetched_at":"2026-06-11T07:04:04.497784+00:00","bytes":55180,"raw_path":"15a07247d4b0815803d59435b7c54e486184b717cf3648013ae970b900c378fc.html","content_hash":"ec7faa8af812533b9b3685fa96d674affd2aea507c72b1fc8857e34b20fbda1c","excerpt_chars":1200,"truncated":true,"excerpt":"Job Application for Backend Engineer - API at xAI Backend Engineer - API Palo Alto, CA ABOUT xAI xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: As an ideal candidate you have a good understanding of how highly scalable and reliable production infrastructure is built. Most of our backend infrastructure is written in Rust. So familiarity with a compiled language such as C++, Rust, or Go is highly beneficial. RESPONSIBILITIES: Build the xAI API that serves our models to developers..."},"evidence_pages":[],"related_signals":[{"id":"7b85ab9d-22fb-4cc3-b2dc-475161ae2073","url":"https://onlylabs.fyi/signals/7b85ab9d-22fb-4cc3-b2dc-475161ae2073","source_url":"https://job-boards.greenhouse.io/xai/jobs/5161492007","title":"Procurement Analyst (Temporary) ","context":"Jacksonville, FL","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"xai","name":"xAI","category":"frontier-lab"},"occurred_at":"2026-06-10T23:06:16+00:00","first_seen_at":"2026-06-11T07:01:17.588498+00:00","date_source":"greenhouse.updated_at"},{"id":"7b069296-5de5-4afd-8db4-a45dcb7fe0cd","url":"https://onlylabs.fyi/signals/7b069296-5de5-4afd-8db4-a45dcb7fe0cd","source_url":"https://job-boards.greenhouse.io/xai/jobs/5161485007","title":"Warehouse Manager (Temporary) ","context":"Jacksonville, FL","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"xai","name":"xAI","category":"frontier-lab"},"occurred_at":"2026-06-10T23:06:07+00:00","first_seen_at":"2026-06-11T07:01:17.588498+00:00","date_source":"greenhouse.updated_at"},{"id":"cf4240a8-30fd-429a-8bac-8c0f28f77922","url":"https://onlylabs.fyi/signals/cf4240a8-30fd-429a-8bac-8c0f28f77922","source_url":"https://job-boards.greenhouse.io/xai/jobs/5161447007","title":"Warehouse Supervisor (Temporary)","context":"Conroe, TX; Jacksonville, FL","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"xai","name":"xAI","category":"frontier-lab"},"occurred_at":"2026-06-10T23:05:57+00:00","first_seen_at":"2026-06-11T07:01:17.588498+00:00","date_source":"greenhouse.updated_at"},{"id":"cdbf7519-dc89-4738-bcba-3c127aad8d90","url":"https://onlylabs.fyi/signals/cdbf7519-dc89-4738-bcba-3c127aad8d90","source_url":"https://job-boards.greenhouse.io/xai/jobs/5161437007","title":"Logistics Specialist (Temporary) ","context":"Conroe, TX; Jacksonville, FL","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"xai","name":"xAI","category":"frontier-lab"},"occurred_at":"2026-06-10T23:05:45+00:00","first_seen_at":"2026-06-11T07:01:17.588498+00:00","date_source":"greenhouse.updated_at"},{"id":"0cf159a5-cd5f-4389-bab7-3de0e827b4c4","url":"https://onlylabs.fyi/signals/0cf159a5-cd5f-4389-bab7-3de0e827b4c4","source_url":"https://job-boards.greenhouse.io/xai/jobs/5080521007","title":"Porter","context":"Austin, TX","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"xai","name":"xAI","category":"frontier-lab"},"occurred_at":"2026-06-10T22:28:15+00:00","first_seen_at":"2026-06-05T05:42:58.637283+00:00","date_source":"greenhouse.updated_at"},{"id":"40650908-ac98-493a-8fd7-d3084a5ddcc4","url":"https://onlylabs.fyi/signals/40650908-ac98-493a-8fd7-d3084a5ddcc4","source_url":"https://job-boards.greenhouse.io/xai/jobs/5149405007","title":"Porter","context":"Memphis, TN","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"xai","name":"xAI","category":"frontier-lab"},"occurred_at":"2026-06-10T22:28:12+00:00","first_seen_at":"2026-06-05T05:42:58.637283+00:00","date_source":"greenhouse.updated_at"}]}