Senior Data Scientist I

PLEASE APPLY IN ENGLISH

Department: Applied Decision Science
The Applied Decision Science team drives client performance and ensures long-term stability. This involves a diverse range of responsibilities, from feature engineering and client-specific models that address unique regional or business needs, to adjusting thresholds and creating rules for optimal decisioning outcomes. We lead critical proof-of-value studies, conduct in-depth pricing analyses, and perform swift loss investigations to properly mitigate fraud attacks. We thrive on collaboration with the Risk Intelligence, Chargeback Investigation, and Product teams, and our contributions include pioneering novel modeling methods, advanced feature engineering, and robust mitigation management.

We are looking for someone who embodies our company values:

Curious and Hungry:  Be willing to do research and design experiments by being hands-on

Tenacious: Creating something new is hard work, and our Data Scientist team never gives up

Customer Passion: Be the backbone to our platform, and help us stay ahead of fraudsters

Design for Scale: Work with the rest of the Data Science team to make fraud protection at scale possible

Agile: Some days you may spend doing research and designing experiments while others are spent using your analytical toolbox to surface insights into real-time fraud attacks.

Roll Up Your Sleeves: Partner closely internally to learn from others, and succeed as a team

How you’ll have an impact:

• Building production machine learning models that identify fraud
• Writing production and offline analytical code in Python
• Working with distributed data pipelines
• Communicating complex ideas effectively to a variety of audiences
• Collaborate with engineering teams to strengthen our machine-learning platform

Requirements:

• Bachelor's degree in computer science, applied mathematics, economics, or an analytical field or equivalent practical experience 
• At least 5+ years of experience
• Building production ML models
• Hands-on statistical analysis with a solid fundamental understanding
• Designing experiments and collecting data
• Writing code and reviewing others’ in a shared codebase, preferably in Python
• Practical SQL knowledge
• Familiarity with the Linux command line
• Fluent in English
• This role has on-call shifts, as part of our weekend rotation, Fri/Sat/Sun. While the number of shifts is subject to change, currently it works out to about six weekends a year.

Bonus points if you have

• Advanced degree in an analytical field (Master, PHD)
• Previous work in fraud, risk, payments, or e-commerce
• Worked previously with Go-to-Market teams directly
• Data analysis experience in a distributed environment
• Passion for writing well-tested production-grade code 

Check out how Data Science is powering the new era of Ecommerce

Check out our Director of Data Science featured in Built In

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Benefits in Mexico:

• Health, Dental & Vision Insurance
• Life Insurance of 24 months salary
• Annual Performance Bonus
• Christmas Bonus of 1 Month’s Salary
• Food Vouchers
• Stock Options
• Paid Parental Leave
• Flexible Work Arrangements
• Telework Stipend for Home Internet
• 12 Paid Vacation Days with 85% Vacation Premiums
• Paid Holidays
• Company Social Events
• Signifyd Swag
• Dedicated learning budget through Learnerbly
• On-Demand Therapy for all employees & their dependents

We want to provide an inclusive interview experience for all, including people with disabilities. We are happy to provide reasonable accommodations to candidates in need of individualized support during the hiring process.