Kikoff
Senior Data Scientist
$226K–$254K
San Francisco +1 · Senior · Full-time · Posted Sep 30, 2026
- Location
- San Francisco
San Francisco, California, United States
About the job
Leads data science for a core credit-building product area, shaping measurement, experimentation, AI-product evaluation, modeling, and product decisions.
What you'll do
- Own product-area measurement and experimentation, including metrics, causal analysis, rollout recommendations, and the broader measurement framework.
- Evaluate AI product surfaces by defining quality criteria, validating automated scorers against human judgment, and creating regression tests from real product failures.
- Build and evaluate models, partner with cross-functional leads on roadmap decisions, and help set data science practices and mentor teammates.
What they ask for
- Partner with product, engineering, and marketing peers across strategy, goal setting, approach, and execution.
- Define metrics from scratch and establish them as a team's operating measures.
- Design and run experimentation programs, including situations without clean randomization; understand quasi-experimental and causal inference methods and their limitations.
- Hands-on production-quality SQL and Python; experience with product decision-making models, daily use of AI tools in analytical work, and presenting data-driven decisions to senior audiences.
Nice to have
- Built or ran an evaluation program for an LLM-based product.
- Consumer fintech experience, built experimentation or causal inference practice, productionized or challenged models, or mentored data scientists.
Pay
$226,000 — $254,000 USD (base salary)
Tools
SQL, Python, LLM
AI focus
Own evaluation of AI product surfaces, including automated scorers validated against human judgment and regression tests based on real conversations; help define workflows using AI agents across analysis, pipelines, and experiment readouts.
Model-written summary · the original posting is authoritative