Extend · 2 months ago
Senior Machine Learning Data Scientist
United States
Full-time
Remote
Mid, Senior Level
$150K/yr - $180K/yr
3+ years expExtend is revolutionizing the post-purchase experience for retailers and their customers by providing AI-driven solutions that enhance customer satisfaction and drive revenue growth. As a Senior Machine Learning Data Scientist on Extend’s Risk & Fraud Machine Learning Team, you will develop and deploy machine learning models to detect and prevent fraud, while collaborating with various teams to integrate these models into production applications.
E-CommerceRetail
Responsibilities
Develop and deploy machine learning models to prevent and detect fraud and abuse, leveraging structured and unstructured data sources
Own the end-to-end ML lifecycle, including data preprocessing, feature engineering, model training, evaluation, validation, and deployment
Monitor and maintain models in production to ensure performance and reliability over time
Collaborate with product and engineering teams to integrate machine learning models into production applications
Foster a culture of learning, experimentation, and collaboration within and across partner teams
Qualification
Required
3+ years of experience building and deploying production machine learning models
Solid understanding of fundamental machine learning and computer science concepts, software design best practices
Expertise with Python, including common ML/AI libraries such as Scikit-learn, Pytorch, or Tensorflow
Expertise with SQL; experience with dbt or graph databases is a plus
Familiarity with large language models (LLMs) and their applications in risk and fraud detection
Excellent communication and stakeholder management skills, with a track record of working cross-functionally to drive business impact
Attention to detail, intellectual curiosity, and a deep understanding of user behavior and fraud patterns
Empathy and humility
Preferred
Previous experience building fraud detection or risk assessment tools is a strong plus
Experience with AWS, cloud computing, and/or Typescript is a plus
Benefits
Full medical and dental & vision benefits
Stock in an early-stage startup growing quickly
Generous, flexible paid time off policy
401(k) with Financial Guidance from Morgan Stanley
Company
Extend
Extend allows any merchant to offer extend warranties and plans through our easy-to-integrate APIs or pre-built eCommerce applications.
201-500 employees
H1B Sponsorship
Extend has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (6)
2024 (6)
2023 (7)
2022 (20)
2021 (5)
Funding
Current Stage
Growth StageTotal Funding
$320.4MKey Investors
SoftBank Vision FundMeritech Capital PartnersGreatPoint Ventures
2021-05-18Series C· $260M
2020-10-15Series B· $40M
2019-11-06Series A· $16.4M
Leadership Team
Woodrow H. Levin
Founder and CEO
Joe Moss
Founder and Chief Product Officer
Recent News
Company data provided by crunchbase