Upgrade
Fintech & PaymentsDirect Greenhouse career site

Senior Data Scientist - Flex Pay

Pay
$100,000 – $150,000 per year
Location
San Francisco, CA · Hybrid
Job type
Full-time
Level
Senior
Experience
3+ years
Education
Master's degree
Listed
30 days ago

Skills & highlights for this role

  • machine learning
  • Python
  • SQL
  • predictive modeling
  • statistical modeling

Also useful

  • Random Forest
  • gradient boosted trees
  • PySpark
  • Tableau

Stated benefits & perks

  • Medical
  • Dental
  • Vision
  • 401k match
  • Flexible pto

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.

Read the original posting

From Upgrade's careers page, first listed on Rolev.ai on October 10, 2026. Rolev.ai is not the employer.

How Rolev.ai helps with this application

Rolev.ai is a job search and application tool for US job seekers. For this Senior Data Scientist - Flex Pay role at Upgrade, it shows how your resume fits, tailors your resume to the posting, and prepares the application for you to review.

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Common questions

What is the salary for the Senior Data Scientist - Flex Pay role at Upgrade?

The Senior Data Scientist - Flex Pay posting at Upgrade states compensation of $100,000 – $150,000 per year. It is listed as a full-time position. Final pay may depend on location, experience, and interview evaluation on Upgrade's official career site.

Where is the Senior Data Scientist - Flex Pay job at Upgrade located?

This Senior Data Scientist - Flex Pay position at Upgrade is located in San Francisco, CA (Hybrid). Always check Upgrade's application page for specific state eligibility or relocation policies.

What qualifications are required for Senior Data Scientist - Flex Pay at Upgrade?

For the Senior Data Scientist - Flex Pay role, Upgrade highlights 3+ years of relevant experience; a master's degree; experience with machine learning, Python, SQL, predictive modeling, statistical modeling. Rolev.ai can score your existing resume against these requirements and show any skill gaps before you apply.

How do I apply for the Senior Data Scientist - Flex Pay position at Upgrade?

This listing links directly to Upgrade's Greenhouse application page. You can apply directly on Upgrade's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the Greenhouse application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.