Senior Data Scientist I

Job Description

Signifyd is seeking a Senior Data Scientist to join its team in São Paulo, Brazil. The successful candidate will be responsible for building production machine learning models that are the core of Signifyd's product, which helps businesses minimize fraud exposure and grow their sales. The Data Science team has end-to-end ownership of their decision engine, from research and development to online performance and risk management.

The role involves collaboration and team ownership, with opportunities for skill growth through peer reviews, group studies, and knowledge sharing. Signifyd values curiosity, tenacity, customer passion, and an agile approach.

The role involves:

• 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
• Collaborating with engineering teams to strengthen Signifyd's 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

Signifyd offers:

• Flexible work arrangements
• Telework Stipend for Home Internet
• Dedicated learning budget through Learnerbly
• On-Demand Therapy for all employees & their dependents