{"id":89570,"url":"https://alion.io/job/appier-staffsenior-machine-learning-scientist-ad-cloud-2","title":"Staff/Senior Machine Learning Scientist (Ad Cloud)","company":{"id":177717,"name":"Appier","domain":"appier.com","url":"https://alion.io/company/appier-2","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":85,"open_postings":62,"ghost_share":0.161,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":281,"computed_at":"2026-10-20T05:45:00Z"}},"role":"AI/ML","role_family":"AI/ML","seniority":"staff","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Taipei, Taiwan"],"countries":["TW"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":33000,"max_usd":74000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":1192},"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"A/B Testing","optional":false},{"name":"AI Agents","optional":false},{"name":"Machine Learning","optional":false},{"name":"Python","optional":false},{"name":"PyTorch","optional":false},{"name":"Recommender Systems","optional":false},{"name":"TensorFlow","optional":false}],"status":"live","first_seen_at":"2025-05-19T10:45:40Z","employer_posted_date":"2026-09-21","last_verified_at":"2026-10-21T03:32:14Z","board_verified":true,"closed_at":null,"days_open":519,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":518},"description":"About Appier \nAppier is an AI-native Agentic AI as a Service (AaaS) company that uses artificial intelligence (AI) to power business decision-making. Founded in 2012 with a vision of democratizing AI, Appier’s mission is turning AI into ROI by making software intelligent. Appier now has 17 offices across APAC, Europe and U.S., and is listed on the Tokyo Stock Exchange (Ticker number: 4180). Visit www.appier.com for more information.\nThe Impact You’ll Make at Appier\nAppier is seeking a Senior Machine Learning Scientist to join our Advertising Cloud Optimization team, which leads the development of core machine learning algorithms driving campaign efficiency and advertiser ROI. Our programmatic advertising platform operates at a massive scale, handling over multi millions queries per second (QPS), all powered by our proprietary deep learning models for bidding, pricing, and personalized content delivery.\nIn this role, you’ll directly impact the efficiency and profitability of ads campaigns by improving models for bidding, pricing, and personalized content recommendation, while ensuring system robustness and scalability in a dynamic market environment.\n\nWhat You’ll Work On\nDesign, implement, and productionize state-of-the-art ML models to improve campaign outcomes.\nAnalyze large-scale user and auction data to discover predictive patterns and alpha signals that enhance bidding and personalization.\nCollaborate cross-functionally with engineering, product, and data teams to identify opportunities, define roadmaps, and deliver impactful solutions.\nContinuously improve system performance through offline experimentation and online testing (e.g., A/B tests, incremental learning).\n\nWhat We’re Looking For\nBachelor’s degree in Computer Science, Mathematics, EE, or related field; Master’s or PhD preferred.\n4+ years of industry experience in ad tech, with a focus on performance optimization.\nProven experience in applied machine learning, especially in CTR prediction, recommendation systems.\nProficiency in Python and experience with modern ML frameworks (PyTorch, TensorFlow, etc.).\nStrong ownership and collaboration skills-able to lead end-to-end projects across product, data, and engineering.\nBonus: Experience working on high-throughput, low-latency real-time systems (e.g., RTB engines, stream inference).","description_format":"text","description_chars":2331,"description_truncated":false,"requirements":{"experience_years_min":4,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Machine Learning","Advertising","Marketing & Sales AI"],"lifecycle":[{"event":"open","at":"2025-05-19T10:45:40Z"}],"visa":[],"liveness":{"score":27,"band":"fade","label":"Fading","p_open":1,"p_active":0.744,"p_room":0.36,"age_days":518,"expected_fill_days":281,"reasons":["conf:3","velocity","win:tail","crowd:"],"computed_at":"2026-10-20T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/appier-staffsenior-machine-learning-scientist-ad-cloud-2","json_url":"https://alion.io/job/appier-staffsenior-machine-learning-scientist-ad-cloud-2.json","meta":{"generated_at":"2026-10-21T05:36:08Z","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":8226,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-22T00:00:00Z"}},"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":177717},"rest":"https://alion.io/mcp/rest/get_company?id=177717"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fappier-staffsenior-machine-learning-scientist-ad-cloud-2"},{"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%2Fappier-staffsenior-machine-learning-scientist-ad-cloud-2"},{"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%2Fappier-staffsenior-machine-learning-scientist-ad-cloud-2"},{"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/appier-staffsenior-machine-learning-scientist-ad-cloud-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fappier-staffsenior-machine-learning-scientist-ad-cloud-2"}]}