{"id":3944276,"url":"https://alion.io/job/remotestar-applied-ml-engineer","title":"Applied ML Engineer","company":{"id":4526839,"name":"RemoteStar","domain":"remotestar.io","url":"https://alion.io/company/remotestar","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Freshteam","truth_index":null},"role":"AI/ML","role_family":"AI/ML","seniority":"middle","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Gurgaon, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"FAISS","optional":false},{"name":"Feature Store","optional":false},{"name":"JAX","optional":false},{"name":"NumPy","optional":false},{"name":"Python","optional":false},{"name":"PyTorch","optional":false},{"name":"Recommender Systems","optional":false},{"name":"Redis","optional":false},{"name":"Scikit-learn","optional":false},{"name":"LightFM","optional":true}],"status":"live","first_seen_at":"2026-11-08T18:10:45Z","employer_posted_date":"2026-11-08","last_verified_at":"2026-11-08T18:10:45Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Role: Applied ML Engineer\nLocation: Gurgaon (on-site) 5 days WFO\nEmployment type: Full-time\nCompany Overview:\nOur client is revolutionising the gaming landscape as India’s first G-Commerce startup, bridging the gap between virtual achievements and real-world value. We empower gamers by transforming their in-game currencies and XP into tangible rewards, from exclusive brand discounts to physical goods, lowering cart values and making gaming more rewarding than ever.\nThrough strategic partnerships with game developers and top-tier brands, we create seamless white-labeled reward ecosystems, integrated directly into games and gaming platforms. Our mission? To redefine engagement by turning every play session into an opportunity for players to earn, redeem, and experience more.\nRole Overview:\nWe are looking for an Applied ML Engineer with strong experience in recommender systems to build the brain of PlaySuper's in-game commerce store - a recommendation engine that decides which products, coupons, and rewards to surface to which player, at which moment.\nThis role is ideal for someone who has worked on:\n- Collaborative filtering and embedding-based retrieval in production\n- Recommendation systems for marketplaces, deals, or content feeds\n- Cold-start and sparse-data problems\n- Bridging offline model development to online serving\nRigorous evaluation and a bias for shipping are non-negotiable.\nWhat You Will Do:\n- Own the collaborative filtering model (starting with Gorse, potentially moving to a custom stack)\n- Build product embeddings (product2vec + Faiss / ANN) for the PlaySuper catalogue\n- Evolve cohort assignment from rules-based to ML-driven\n- Build the offline evaluation framework - precision@k, NDCG, conversion-rate, diversity, coverage\n- Bridge offline models to online serving (model serving infrastructure, weekly refresh pipeline)\n- Calibrate ranking weights against business outcomes (CTR, GMV, margin, repeat redemption)\n- Partner closely with the Data Engineer (event pipeline + feature store) and Backend Engineer (ranking API, Redis serving layer)\n- Translate sparse, noisy in-game event data into reliable signal\n- Act as the internal owner of recommendation quality - always pushing on whether the model is actually lifting outcomes vs. just looking good on offline metrics\nWhat We Are Looking For:\n- 3-5 years of ML engineering experience, with recommender systems specifically\n- Strong Python: PyTorch / JAX, scikit-learn, NumPy\n- Hands-on with collaborative filtering - sparse matrices, cold start, production evaluation\n- Embedding-based retrieval experience (Faiss, ScaNN, or equivalent)\n- Proper reco evaluation chops - beyond accuracy: diversity, coverage, business-outcome metrics\n- Comfort with sparse and noisy data\n- Experience taking models from offline notebooks to online serving in production\n- Clear communication and structured problem-solving\nStrong Plus (Nice to Have)\n- Experience building voucher, coupon, or deal recommendation systems\n- Gaming, mobile, or consumer-engagement product experience\n- Familiarity with Gorse or LightFM\n- Experience with contextual bandits or online learning\n- Feature store patterns\n- Startup experience or ownership in fast-moving environments","description_format":"text","description_chars":3236,"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":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Commerce"],"lifecycle":[{"event":"open","at":"2026-11-08T18:10:45Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":24,"reasons":["conf:1","win:early"],"computed_at":"2026-11-08T19:31:36Z"},"pay":null,"html_url":"https://alion.io/job/remotestar-applied-ml-engineer","json_url":"https://alion.io/job/remotestar-applied-ml-engineer.json","meta":{"generated_at":"2026-11-08T19:31:36Z","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":40816,"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":0.1,"usd":0.01,"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":4526839},"rest":"https://alion.io/mcp/rest/get_company?id=4526839"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fremotestar-applied-ml-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"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%2Fremotestar-applied-ml-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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%2Fremotestar-applied-ml-engineer"},{"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/remotestar-applied-ml-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fremotestar-applied-ml-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3944276}},{"tool":"search_jobs","arguments":{"company":"remotestar.io","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3944276},"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. Docs: https://alion.io/developers"}}