{"id":2878411,"url":"https://alion.io/job/chewy-data-scientist-iii","title":"Data Scientist III","company":{"id":709617,"name":"Chewy","domain":"chewy.com","url":"https://alion.io/company/chewy-2","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":null},"role":"Data Science","role_family":"Data Science","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Boston, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":104000,"max_usd":197000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":479},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"AI Agents","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"Databricks","optional":false},{"name":"GCP","optional":false},{"name":"Machine Learning","optional":false},{"name":"Python","optional":false},{"name":"Statsmodels","optional":false},{"name":"Time Series","optional":false},{"name":"XGBoost","optional":false}],"status":"closed","first_seen_at":"2026-10-19T22:10:12Z","employer_posted_date":"2026-10-19","last_verified_at":"2026-10-21T15:36:29Z","board_verified":false,"closed_at":"2026-10-21T15:36:29Z","days_open":1,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":1},"description":"Job Description:\nOur Opportunity:\nDo you want to build data science solutions that directly impact the company’s bottom line? Do you want to see how your models, pipelines, and prototypes shape decision-making at the highest level? If so, the Chewy Marketing Science team is hiring!\nWe use advanced AI, machine learning, and statistics to understand and serve the needs of our pet parents. As part of the Marketing Science team, you will solve a wide range of business problems for marketing and Chewy customers-spanning measurement, optimization, and personalization, leveraging the full spectrum of statistics, machine learning, and cutting-edge AI.\nOur team has single-threaded ownership of building data science and AI products powered by ML/Stats models and agentic AI workflows. In this role, you will have the opportunity to rapidly prototype solutions, proactively identify opportunities for innovation, and partner closely with marketing stakeholders to embed these tools where they drive the most value.\nWe are hiring aData Scientist III in Boston, MA. You will work across the lifecycle of model development-ideation, analysis, architecture, prototyping, tuning, experimentation, and production deployment-while collaborating with MLEs and fellow data scientists to advance our technical capabilities. Join our high-achieving team and help shape the future of AI innovation at Chewy!\nWhat You’ll Do:\nLead end-to-end data science projects-from idea generation and offline evaluation to deployment, experimentation, feedback loops, and continuous model improvement.\nBuild, evaluate, and deploy predictive, statistical, and machine learning models (e.g., regression, forecasting, uplift, attribution, causal inference)\nFormalize assumptions about model behavior, define and detect outliers systematically, and implement fixes or improvements where needed.\nPartner with marketing stakeholders to identify, scope, and prioritize AI and data science opportunities that create measurable business impact.\nBuild internal AI copilots and assistants that enhance productivity, automate repetitive workflows, and accelerate campaign execution.\nStay ahead of industry and technology trends to anticipate emerging opportunities in AI and e-commerce.\nCommunicate insights and recommendations clearly-both verbally and in writing-to audiences with varying technical expertise.\nWhat You’ll Need:\nAdvanced degree (M.S., Ph.D., or equivalent experience) in Data Science, Statistics, Applied Mathematics, Computer Science, Physics, or a related field, or 5+ years of experience designing optimization and machine learning solutions at scale.\nStrong foundation in machine learning and statistical methods, including Bayesian inference, regression, classification, forecasting, time series, causal inference, and machine learning techniques such as tree-based models (e.g., XGBoost, Random Forest)\nAbility to understand and apply advanced mathematics and data science methodologies to solve complex business problems.\nProficiency in Python for building proofs-of-conceptand deploying production-ready solutions.\nStrong ability to translate business needs into AI and data science opportunities, with knowledge of marketing workflows, customer data, and campaign lifecycles.\nProven ability to prototype quickly, iterate through experimentation, and operationalize models into production.\nStrong business acumen and problem-solving skills - the ability to thrive in ambiguous, fast-paced environments, structuring open-ended problems into actionable solutions.\nExcellent communication skills, with the ability to convey technical concepts to both technical and non-technical stakeholders\nAn AI-native mindset-curious, creative, and eager to leverage the latest AI tools to accelerate marketing impact.\nBonus (if applicable):\nExperience with marketing measurement and optimization, including budget allocation, marketing mix modeling, incrementality testing, and campaign performance optimization.\nExpertise in Bayesian statistics and hierarchical modeling\nExperience with at least one cloud services provider(AWS, GCP, Azure, etc.).\nExperience with ML platforms, e.g., Databricks.\nThe specific salary offered to a candidate may be influenced by a variety of factors including but not limited to the candidate’s relevant experience, education, and work location. In addition, this position is eligible for 401k and a new hire and annual equity grant. C08+ positions may also be eligible for annual bonus.\n\nWe offer different types of insurance and benefits, such as medical/Rx, vision, dental, life, disability, hospital indemnity, critical illness, and accident. We offer parental leave, family services benefits, backup dependent care, flexible spending accounts, telemedicine, pet adoption reimbursement, employee assistance program, and many discounts including 10% off pet insurance and 20% off at Chewy.com.\nExempt salary team members have unlimited PTO, subject to manager approval. Team members will receive six paid holidays per year. Team members may be eligible for paid sick and family leave in compliance with applicable state and local regulations.\nChewy is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, ancestry, national origin, gender, citizenship, marital status, religion, age, disability, gender identity, results of genetic testing, veteran status, as well as any other legally-protected characteristic. If you have a disability under the Americans with Disabilities Act or similar law, and you need an accommodation during the application process or to perform these job requirements, or if you need a religious accommodation, please contact .\nTo access Chewy's California CPRA Job Applicant Privacy Policy, please click here.","description_format":"text","description_chars":5832,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"master","optional":false},"security_clearance":false,"languages":[]},"benefits":["401k plan","Equity","Parental leave","Unlimited PTO"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["E-commerce Platforms","Pet Food, Supplies & Care"],"lifecycle":[{"event":"open","at":"2026-10-19T22:10:12Z"},{"event":"close","at":"2026-10-21T15:36:29Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 184 · green card filings: 110","filings_12m":184,"filings_prev_12m":257,"green_card_filings_12m":110,"median_offered_wage_usd":149813,"route":null,"cap_exempt":false,"checked_at":"2026-10-15T11:24:14+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":57}],"liveness":null,"pay":null,"html_url":"https://alion.io/job/chewy-data-scientist-iii","json_url":"https://alion.io/job/chewy-data-scientist-iii.json","meta":{"generated_at":"2026-10-21T23:55:17Z","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":34132,"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":709617},"rest":"https://alion.io/mcp/rest/get_company?id=709617"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fchewy-data-scientist-iii"},{"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%2Fchewy-data-scientist-iii"},{"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%2Fchewy-data-scientist-iii"},{"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/chewy-data-scientist-iii\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fchewy-data-scientist-iii"}]}