Senior Data Scientist, Fraud

| Greater Boston Area

Our Opportunity:

Chewy is seeking a highly motivated, goal-oriented, and analytical, Senior Data Scientist, Fraud to join our exciting and fast paced company in Boston, MA. 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 and classifiers built off of billions of rows of data
  • Routinely and effectively partner with digital marketing team to define key business questions and build the models and data sets that answer these questions
  • Lead identification of trends and KPI’s with the objective of improving marketing 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)
  • 5 years of experience applying Machine Learning, Statistical Modeling, and Data Mining
  • Experience with SQL, NoSQL, and unstructured databases (MySQL, Hadoop, Redshift, MongoDB)
  • 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
  • Candidate must be organized, driven, and exhibit critical thinking skills.
  • Candidate must have an entrepreneurial and self-starting mentality.
  • Position may require travel

Bonus:

  • Knowledge of Atlassian suite of tools (Jira, Bamboo, Confluence)
  • Experience working in Agile teams (Scrum, Kanban)
  • Experience in working with digital marketing channels in an eCommerce environment.
  • Knowledge of / experience with multi-channel and cross-channel attribution.
  • Extensive CLI and UNIX experience – we live in the terminal!
  • Knowledge of VM test environments and/or cloud-based compute environments

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 our company, please contact [email protected]

 

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Technology we use

  • Engineering
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Location

Located in the Fort Point neighborhood, home to many of Boston's hip and upcoming restaurants along with emerging technology companies.

An Insider's view of Chewy

How would you describe the company’s work-life balance?

It's refreshing being a part of a team dedicated to getting the job done, without quilting you into extra hours. While we are in the retail space, we are always supportive of the team's needs. I don't feel guilty about asking for help if I'm pressed for time and need to get back to my family. The flexibility around working from home has been great

Marcus

Senior Product Manager

What projects are you most excited about?

Our team loves working on new app features that are requested by our customers! We get the most excited when our app users send us a request and then that idea comes to life in the next app update. We take our customer’s feedback very seriously!

Eliza

Mobile Product Manager

How has your career grown since starting at the company?

Chewy gives a significant amount of freedom and autonomy to do your best work. I am able to pursue the most important objectives, and work that I really enjoy. It’s an amazing feeling to see your hard work pay off immediately and have a positive impact on the team—and something that makes life at Chewy really unique!

Rich

Human Resources Business Partner

How do you make yourself accessible to the rest of the team?

Aside from the standard 1x1s and team meetings: 24/7 via text, email, chat, voice and during business hours by walking around the office engaging in conversation, listening to current challenges and proposed solutions.

Mike

VP, Software Engineering

What are Chewy Perks + Benefits

Chewy Benefits Overview

We got you covered when it comes to competitive salaries, unlimited time off, medical & dental insurance, 401k and happy hour. True to our business, we're pet-friendly and have fun pet-related perks like Paw-ternity leave for new pup parents. Of course, the biggest perk is being able to work alongside smart, driven and passionate team members who are changing the world every day.

Culture
Volunteer in local community
Partners with Nonprofits
Friends outside of work
Eat lunch together
Intracompany committees
Daily stand up
Open door policy
Team owned deliverables
Team based strategic planning
Group brainstorming sessions
Pair programming
Open office floor plan
Diversity
Highly diverse management team
Health Insurance & Wellness Benefits
Flexible Spending Account (FSA)
We offer a commuter transit, parking, and dependent care FSA.
Disability Insurance
Dental Benefits
Vision Benefits
Health Insurance Benefits
Life Insurance
Pet Insurance
Retirement & Stock Options Benefits
401(K)
401(K) Matching
Child Care & Parental Leave Benefits
Generous Parental Leave
Flexible Work Schedule
Family Medical Leave
Return-to-work program post parental leave
Vacation & Time Off Benefits
Unlimited Vacation Policy
Paid Holidays
Paid Sick Days
Employees receive 40 hours per year of paid sick leave.
Perks & Discounts
Beer on Tap
Casual Dress
Commuter Benefits
Company Outings
Game Room
Our game room includes Ping Pong, Pool Table, Foosball, Video Games.
Stocked Kitchen
Some Meals Provided
Happy Hours
Pet Friendly
Recreational Clubs
Chewy sponsors office sports leagues year-round.
Relocation Assistance
Professional Development Benefits
Job Training & Conferences
Diversity Program
Lunch and learns
Acme Co. hosts lunch and learn meetings once per month.
Cross functional training encouraged
Promote from within
Mentorship program
Our mentorship program includes 1-to-1 program, Career mentoring, Leadership mentoring.
Online course subscriptions available
Customized development tracks
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