{"id":3849232,"url":"https://alion.io/job/raya-senior-engineering-manager-recommender-systems","title":"Senior Engineering Manager, Recommender Systems","company":{"id":1215,"name":"Raya","domain":"rayatheapp.com","url":"https://alion.io/company/raya","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":null},"role":"Leadership","role_family":"Leadership","seniority":"lead","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":[],"countries":[],"hiring_countries":["US"],"hiring_countries_total":1,"salary":null,"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"ElasticSearch","optional":false},{"name":"Feature Store","optional":false},{"name":"GCP","optional":false},{"name":"Go","optional":false},{"name":"Java","optional":false},{"name":"Kubernetes","optional":false},{"name":"Machine Learning","optional":false},{"name":"OpenSearch","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Recommender Systems","optional":false}],"status":"live","first_seen_at":"2026-11-05T23:23:39Z","employer_posted_date":"2026-11-05","last_verified_at":"2026-11-08T01:50:37Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"As Engineering Manager for Recommender Systems, you'll lead the team that builds the backend retrieval and ranking infrastructure behind recommendations at Raya. You'll partner closely with the head of ML to drive our tech strategy and ensure our members get the best experience possible on the core surface of our product.\nWe are looking for someone who is technically strong, has deep experience with production recommender systems, and has intuitive product-focused user empathy.\nWe offer comprehensive medical and dental coverage, $50 a day food delivery budget, equity based employment, a great culture, learning opportunities, unlimited vacation, 12 weeks paid parental leave, and we pay all employees $1,000 a year to go somewhere in the world that they’ve never been because of our values of human connection, empathy, and curiosity.\nResponsibilities\nBuild, coach, and retain a high-performing backend team that specializes in recommender systems.\n\nOwn reliable, low-latency production systems, observability, and incident response for recommendations. Catch regressions in latency, quality, or fairness before users notice.\n\nCreate and execute a technical strategy that is grounded in deep product intuition and empathy for the end-user experience.\n\nPartner with the Machine Learning team to define roadmaps. Balance user-facing improvements with investments in infrastructure, reliability, and experimentation.\n\nWork with Data Science to co-own experimentation processes, tools, and best practices.\n\nQualifications\n3+ years managing engineers, with direct responsibility for hiring, performance management, career development, and delivery.\n\nExperience leading or building production recommender systems at scale.\n\nHands-on depth in high-throughput, low-latency distributed systems that serve millions of users.\n\nExpertise in Go, Java/JVM, or a similar backend language; Postgres, and AWS/GCP, and Kubernetes.\n\nWhat Sets You Apart\nExperience with social networks or two-sided marketplaces in a subscription setting: you understand reciprocal interest, exposure, liquidity, and how great recommendations create long-term retentive value.\n\nFamiliarity with how machine learning and AI fit into modern recommender systems.\n\nExperience with retrieval infrastructure such as Elasticsearch/OpenSearch, vector search, or feature stores.","description_format":"text","description_chars":2339,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Equity","Parental leave"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Dating & Relationships","Social Networks"],"lifecycle":[{"event":"open","at":"2026-11-06T02:09:50Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":1,"expected_fill_days":49,"reasons":["conf:0","velocity","win:early"],"computed_at":"2026-11-07T05:47:08Z"},"pay":null,"html_url":"https://alion.io/job/raya-senior-engineering-manager-recommender-systems","json_url":"https://alion.io/job/raya-senior-engineering-manager-recommender-systems.json","meta":{"generated_at":"2026-11-08T05:44:18Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":12447,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-09T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":1215},"rest":"https://alion.io/mcp/rest/get_company?id=1215"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fraya-senior-engineering-manager-recommender-systems"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fraya-senior-engineering-manager-recommender-systems"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fraya-senior-engineering-manager-recommender-systems"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/raya-senior-engineering-manager-recommender-systems\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fraya-senior-engineering-manager-recommender-systems"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3849232}},{"tool":"search_jobs","arguments":{"company":"rayatheapp.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3849232},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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