# Senior Data Scientist at Ellipsis

- Company: Ellipsis
- What the company does: Cloud platform for coding agents. Backed by Khosla.
- Company website: http://www.ellipsishealth.com/
- Type: Startups
- Level: Senior
- Location: San Francisco - Hybrid
- Work setup: Remote
- Pay: $180K to $230K base salary per year (USD)
- Posted: 2026-08-31
- Apply by: 2026-10-15
- Apply: https://jobs.ashbyhq.com/ellipsis-health/ae914a61-0b1a-42e3-a2b4-fd1b1cc753ca
- Page: https://www.1752.vc/careers/jobs/ellipsis-senior-data-scientist/

## About the role

Drive High-Impact Projects: Own data science and AI evaluation projects end-to-end—from defining the problem and developing the methodology to executing the analysis, communicating results, and driving implementation.

## What they're looking for

- 5+ years of industry experience in data science, machine learning, or a related quantitative field
- Bachelor's or Master's degree in Computer Science, Data Science, Statistics, Mathematics, or a related quantitative field
- Strong proficiency in programming languages such as Python (with libraries like Pydantic, Pandas, NumPy, Scikit-learn)
- Strong foundation in statistical analysis, experimental design, hypothesis testing, and A/B testing methodologies
- Experience working with large-scale datasets, data pipelines, and analytical tools to generate actionable insights
- Familiarity with evaluation metrics (precision, recall, agreement metrics like Cohen's Kappa) to calibrate judge models against human ground truth

Tags: Engineering