Chewy
At Chewy, our mission is to be the most trusted and convenient destination for pet parents and partners, everywhere.
Hybrid

Staff Data Scientist

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Our Opportunity:

Chewy is seeking a highly motivated, goal-oriented, and analytical, Staff Data Scientist to join our exciting and fast paced company. Our team is growing and if you are equally passionate about data analysis, e-commerce, and career growth, an opportunity at Chewy may be a great match! You will be focused on solving business problems by developing and implementing best-in-class fraud prevention and detection models. In this role, you will be the analytical expert for identifying and retooling suitable machine learning algorithms that can enhance the fraud risk ranking of particular transactions and/or applications for new products. You will cooperate with cross-functional teams across the organization in finding insights and developing the right data solutions.

You should be effective at organizing large amounts of data from multiple data sources and build predictive anomaly detection machine learning models that will help in identifying valid Fraudulent transactions. Your expertise and insights will help us effectively utilize data assets like past Order/Fraud history to control fraud loss and improve customer experience.

What you’ll do:

  • Research, design, and implement predictive models, use data sciences to detect and prevent high risk fraud and reduce false positives.
  • When that means high precision classification, you will work fraud and trust SMEs to understand domain knowledge, business expectation and turn them into data driven machine learning approach.
  • Develop machine learning, data mining, statistical, and graph-based algorithms designed to analyze massive data sets; partner with Cloud technologists to ensure proper implementation and usage of said algorithms
  • Analyze large data sets to develop multiple, custom models and algorithms to drive innovative correlations for fraud and acceptance data as well as social data
  • #OperateAtDepth - Ideate, brainstorm and drive projects from conception to completion
    Conduct exploratory data analysis, supervised, unsupervised and semi-supervised machine learning to identify fraud trend, segment and clusters, and optimization opportunity
  • Lead identification of trends and KPI’s with the objective of improving customer performance
  • Mentor junior data analysts and demonstrate Data Science and development best practices

What you’ll need

  • An M.S., P.H.D., or equivalent experience in a related discipline (Engineering, Mathematics, Physics, Finance or C.S.)
  • Experience in Python, R, or other Data Science object-oriented programming language
  • Experience with applying machine learning techniques at scale and their tuning parameters (Neural Networks, Random Forest, Bayesian Models, K-Means Clustering)
  • 7+ years of experience applying Machine Learning, Statistical Modeling, and Data Mining.
  • Expert in anomaly detection algorithms including Regressions, Random Forrest, GBMs, Support Vector Machines, KNNs, Neural Nets and Social Network Link analysis.
  • Expert with SQL, NoSQL, and unstructured databases (MySQL, Hadoop, Redshift, MongoDB)
  • Applied data science techniques, data management and advanced analytic techniques while doing fraud analysis/anomaly detection.
  • Hands on experience with software design for scalability, reliability, and performance
  • Proven track record in developing mathematical models to predict business outcomes and determine cause and effect relationships
  • Comfort level with ambiguity and ability to manage multiple projects at the same time
  • Ability to communicate analytical insights clearly and concisely to individuals across the organization
  • Experience working with real time data and deploying models in a real time scoring environment
  • Be an active participant and source of inspiration within the broader data science community at Chewy and contribute to a culture of learning
  • Candidate must be organized, driven, and exhibit critical thinking skills.
  • Candidate must have an entrepreneurial and self-starting mentality.

Bonus:

  • Experience working in Agile teams (Scrum, Kanban)
  • Experience in working in eCommerce business.
  • Knowledge of / experience with multi-channel and cross-channel attribution.
  • Extensive CLI and UNIX experience – we live in the terminal!

Chewy is committed to equal opportunity. We value and embrace diversity and inclusion of all Team Members.
If you have a disability under the Americans with Disabilities Act or similar law, or you require a religious accommodation, and you wish to discuss potential accommodations related to applying for employment at Chewy, please contact [email protected]
To access Chewy’s Privacy Policy, which contains information regarding information collected from job applicants and how we use it, please click here: https://www.chewy.com/app/content/privacy).

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What are Chewy Perks + Benefits

Chewy Benefits Overview

We offer competitive salaries and 401k, unlimited time off, comprehensive medical, dental, and vision benefits, in addition to wellness programs, online communities, and resources for improved physical and mental health... enabling you to be your best self - in and outside of work. With mentorship programs, employee resource groups, cross-functional job trainings, events, and customized development tracks for advancement, we're proud to help develop and promote our team members from within.

True to our business, we're pet-friendly and have fun pet-related perks like Paw-ternity leave for new pup parents and Chewy employee discounts. We offer countless volunteer opportunities, recreational club teams, company outings, happy hours, and team events to enable you to bond with fellow Chewtopians and have some fun!

Culture
Volunteer in local community
Partners with nonprofits
Open door policy
OKR operational model
Team based strategic planning
Pair programming
Open office floor plan
Flexible work schedule
Remote work program
We're currently 100% remote due to caution and care for the health & well-being of our team. Post-pandemic, we plan to operate in a combination of onsite and remote, with logistics still being defined
Diversity
Dedicated diversity and inclusion staff
Highly diverse management team
Mandated unconscious bias training
Diversity employee resource groups
Hiring practices that promote diversity
Health Insurance & Wellness Benefits
Flexible Spending Account (FSA)
We offer a commuter transit, parking, and dependent care FSA.
Disability insurance
Dental insurance
Vision insurance
Health insurance
Life insurance
Pet insurance
Wellness programs
Mental health benefits
Financial & Retirement
401(K)
401(K) matching
Company equity
Performance bonus
Child Care & Parental Leave Benefits
Childcare benefits
Generous parental leave
Family medical leave
Return-to-work program post parental leave
Vacation & Time Off Benefits
Unlimited vacation policy
Paid holidays
Paid sick days
Office Perks
Commuter benefits
Company-sponsored outings
Free snacks and drinks
Some meals provided
Company-sponsored happy hours
Pet friendly
Recreational clubs
Chewy sponsors office sports leagues year-round.
Relocation assistance
Professional Development Benefits
Job training & conferences
Lunch and learns
Cross-functional lunch and learns.
Promote from within
Mentorship program
Online course subscriptions available
Customized development tracks

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