Senior Data Scientist

Senior Data Scientist

Build the world's fastest Identity and Checkout products

Company Mission

Our mission is to make buying online faster, safer and easier for everyone. Fast Login and Fast Checkout enable a one-click sign-in and purchasing experience that makes it easier for people to buy and merchants to sell. The company’s products work on any browser, device or platform to deliver a consistent, stress-free purchasing experience. Fast is entirely consumer-focused and invests heavily in its users’ privacy and data security. Headquartered in San Francisco but open to a globally remote workforce, we are a founders-led, privately held company funded by Stripe, Index Ventures, Susa Ventures and other world-class investors.

We are committed to diversity and inclusion, and demonstrate our values through equitable pay, fantastic benefits, and access to all reasonable accommodations. 

We’re looking for a Senior Data Scientist to join the best Data Science and Analytics team! As a Senior Data Scientist, you will partner closely with both technical and non-technical teams to design metrics, build models, conduct comprehensive analysis, and run experiments to measure the impact of new initiatives.


    • Work with cross functional stakeholders to scope data science projects and drive the project from start to finish
    • Develop scalable, efficient automated pipelines to process massive datasets, identify patterns from various data sources and produce actionable insights
    • Build statistical models to improve our understanding of user behavior and predict future performance
    • Be a thought partner to business leaders in determining quantitative success and process improvements
    • Design, implement, and analyze A/B experiments to measure the impact of product changes
    • Create dashboards and reports with effective data visualizations


    • 5+ years of data science experience 
    • 5+ years in SQL and one scripting language (Python/R)
    • BS in quantitative field (e.g. Statistics, Economics, CS, OR), or equivalent experience
    • Strong knowledge of experimentation and statistical methods
    • Skilled at leading DS projects and taking initiative
    • Skilled with data visualization tools (Looker, Tableau, Jupyter Notebook)
    • Knowledge of building data pipelines (e.g. dbt, airflow) 
    • Communicative with team members, thought partners, and others


    • Advanced degree in a quantitative field
    • Experience in e-commerce
    • Previous mature startup experience

Benefits and Perks- Because People Matter

Comprehensive insurance (paid 99% by the company) with no deductible, and 10 dollar copays
Globally remote with flexible work schedules to fit your needs
Generous parental/family leave for all caregivers- available at any time within 12 months after the new family member joins you
401k with match up to 4%
Equity grant
People-focused PTO that you determine- time off is there when you want it, when you need it
Frequent inclusive events scheduled to allow everyone to express their voice (or dance skills)
Monthly exercise and internet stipends---and snacks
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