Glean
Senior/Staff Applied Scientist
$180K–$330K
Mountain View, CA +3 · Staff · Full-time · Posted Oct 5, 2026
- Location
- Mountain View, CA
San Francisco, CA
Mountain View, California, United States
San Francisco, California, United States - Experience
- 5+ years with a Master's degree, or 3+ years with a PhD.
- Education
- Master's or PhD in Statistics, Mathematics, Computer Science, or another quantitative field.
About the job
Develops and maintains experimentation and evaluation systems to measure and improve Glean’s AI-powered products and support data-informed product decisions.
What you'll do
- Improve online A/B experimentation methods and maintain the experimentation platform, including scalable production tooling.
- Evaluate end-to-end AI use cases and break them into assessments of tasks such as summarization, reasoning, tool use, and coding.
- Establish evaluation best practices, tools, and processes, including statistical methods for LLM variability and industry benchmarking.
What they ask for
- Strong statistics and/or machine learning skills, applied to practical product, tool, or process improvements.
- Proficiency in Python and SQL, including experience with modern data stacks such as source-controlled dbt pipelines.
- Experience in B2B SaaS and in ranking, A/B experimentation platforms, and/or ML measurement problems.
- Strong product KPI and guardrail metric definition, dashboarding, raw-data analysis, and technical communication skills.
Pay
$180,000 - $330,000 USD annually (base salary)
Tools
Python, SQL, dbt
AI focus
Evaluates AI product use cases and capabilities, including content summarization, analysis and generation, multi-step reasoning, tool selection and use, coding, and system design; develops statistical practices and evaluation methods for LLMs.
Model-written summary · the original posting is authoritative