Research Scientist II
About The Position
As a Research Scientist on the Outbound Science & Technology team, you will design, develop, and deploy advanced optimization, simulation, and machine learning models that power Chewy’s outbound network. You will work at the intersection of operations research, data science, and supply chain systems to solve complex fulfillment and transportation challenges at scale. You will translate ambiguous business problems into structured mathematical models and scalable solutions that improve speed, cost efficiency, and service levels across our outbound operations. Partnering closely with engineering, product, and operations teams, you will move solutions from research to production and drive measurable business impact.
Requirements
- Minimum MS degree in Operations Research, Data Science, Industrial Engineering, Applied Mathematics, or a related quantitative field
- 2+ years of experience in operations research, data science, or applied optimization
- Strong foundation in mathematical optimization, probability, statistics, and algorithm design
- Experience developing optimization models using tools such as Python, Gurobi, CPLEX, or similar solvers
- Proficiency in Python or similar programming languages for data analysis and model development
- Experience working with large datasets and distributed computing environments
- Strong problem-solving skills with the ability to structure ambiguous problems
- Effective written and verbal communication skills
- Working knowledge of supply chain, logistics, or fulfillment operations
Nice To Haves
- PhD in Operations Research, Data Science, Industrial Engineering, or a related field
- Experience with large-scale transportation or e-commerce fulfillment networks
- Experience productionizing models in cloud-based environments
- Familiarity with simulation frameworks and stochastic optimization
- Experience collaborating with product and engineering teams in an agile environment
Responsibilities
- Develop and implement optimization models for outbound fulfillment, transportation planning, routing, and capacity management
- Design and apply advanced operations research techniques including linear programming, mixed-integer programming, heuristics, and simulation
- Build predictive models and machine learning solutions to improve forecasting, allocation, and network efficiency
- Translate business challenges into mathematical formulations and scalable algorithms
- Prototype, test, and validate models using large-scale datasets
- Partner with engineering teams to productionize models and integrate them into operational systems
- Communicate findings, trade-offs, and recommendations clearly to cross-functional stakeholders
- Conduct experimentation and scenario analysis to support strategic decision-making
- Continuously evaluate and improve model performance and operational impact
Benefits
- Comprehensive medical, dental, vision benefits
- Wellness programs and resources
- 401k
- New hire and annual equity grant
- Annual bonus (for C08+ positions)
- Medical/Rx insurance
- Vision insurance
- Dental insurance
- Life insurance
- Disability insurance
- Hospital indemnity insurance
- Critical illness insurance
- Accident insurance
- Parental leave
- Family services benefits
- Backup dependent care
- Flexible spending accounts
- Telemedicine
- Pet adoption reimbursement
- Employee assistance program
- Discounts including 10% off pet insurance and 20% off at Chewy.com
- Unlimited PTO (subject to manager approval)
- Six paid holidays per year
- Paid sick and family leave (in compliance with applicable state and local regulations)
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What This Job Offers
Job Type
Full-time
Career Level
Mid Level
