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Unlimited leave · Data Scientist

Senior Data Scientist - Flex Pay

Upgrade · San Francisco · United States

USD 100k–150k / year Posted Open until 18 Oct 2026

The job, in the employer's words

About the Role:


We are seeking a highly analytical and results-driven Data Scientist to join our buy now pay later (BNPL) sector called Flex Pay. You will play a key role in building predictive risk models, optimizing offers and pricing, and extracting insights that drive product development, risk mitigation, and customer strategy. This role requires a strong foundation in statistics, machine learning, and programming. 


This position is based in our San Francisco office in a hybrid capacity, specifically on Wednesdays and Thursdays.


What You’ll Do: 

  • Build and maintain credit and fraud policy simulators used to ensure properly functioning systems and identify risk decisioning enhancements. 
  • Build and deploy statistical models and machine learning algorithms to solve business problems in areas like credit risk, fraud detection, pricing, customer segmentation, and marketing attribution.
  • Validate models to identify factors that may affect model performance.
  • Analyze large, structured and unstructured datasets using SQL, Python or similar tools.
  • Stay up to date with the latest trends and technologies in data science and fintech, actively research new tools and techniques available for model development.
  • Collaborate with cross-functional teams including risk, marketing, product, and engineering to define data-driven strategies.


What We Look For:

  • Advanced Degree (MS/PhD) in Data Science, Statistics, Mathematics, Computer Science, Finance, or a related quantitative discipline.
  • 3-5+ years of hands-on experience in a data science or analytics role, preferably in financial services. 
  • Experience and/or strong interest in machine learning techniques (Random Forest, Gradient Boosted Trees, etc.) strongly preferred.
  • Strong proficiency in Python (Pandas, Numpy, Scikit-learn) and SQL.
  • Ability to write documentation and present analysis to people with different levels of expertise (e.g., technical staff, business leads, etc.).
  • Proactive, driven, and ability to work in a fast paced environment.


Nice to Have:

  • Experience with data visualization tools (e.g., Tableau, Power BI).
  • Experience with AI tools such as Claude
  • Experience with data technologies like PySpark.
  • Understanding of financial services concepts such as credit scoring, portfolio risk, or customer lifetime value.

 

What We Offer You: 

  • Competitive salary and stock option plan
  • Paid coverage of medical, dental and vision insurance 
  • Competitive 401(k) and RRSP program  
  • Flexible PTO
  • Opportunities for professional growth and development  
  • Paid parental leave
  • Health & wellness initiatives


The compensation range of this position in San Francisco, CA is USD $100,000-$150,000 annually plus equity and benefits. Within this range, an individual's base pay will be dependent on a variety of factors, including without limitation, job-related knowledge, skills, education, and experience.

Benefits mentioned

  • Competitive salary and stock option plan
  • Paid coverage of medical, dental and vision insurance
  • Competitive 401(k) and RRSP program
  • Flexible PTO
  • Opportunities for professional growth and development
  • Paid parental leave
  • Health & wellness initiatives
  • The compensation range of this position in San Francisco, CA is USD $100,000-$150,000 annually plus equity and benefits. Within this range, an individual's base pay will be dependent on a variety of factors, including without limitation, job-related knowledge, skills, education, and experience.

Requirements mentioned

  • Experience with data visualization tools (e.g., Tableau, Power BI).
  • Experience with AI tools such as Claude
  • Experience with data technologies like PySpark.
  • Understanding of financial services concepts such as credit scoring, portfolio risk, or customer lifetime value.

No Mondays shows this listing as the employer published it. Check the details on the employer's site before you apply.

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Remote share — Data Scientist jobs in United States

85% are remote

378 of 443 jobs we have listed

How long they stay open — Data Scientist jobs in United States

107 days median time open before the listing ended

Based on 33 ended listings

Advertised pay — Data Scientist jobs in United States

USD 195k median advertised pay / year

Middle half: USD 166k – USD 230k

From 314 listings that state pay