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Senior/Staff Applied Scientist

GleanSan Francisco, CAData
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Salary
$180K - $330K
Job type
Full-time
Experience
Senior · 3+ yrs
Posted
5 Oct 2026
Status
Open · checked 7d ago

About this role

The Senior/Staff Applied Scientist position at Glean is based in the San Francisco office on a hybrid schedule and suits an experienced quantitative professional with a background in statistics or machine learning. This role involves building and scaling experimentation platforms and evaluation frameworks to support an enterprise Work AI ecosystem.

Role Overview

Glean seeks a Senior/Staff Applied Scientist to join the data organization in San Francisco. The professional in this position will focus on advancing online A/B experimentation, establishing evaluation criteria for core product use cases, and designing best practices for machine learning measurement.

Key Responsibilities

Partner with product data science and engineering groups to improve online A/B testing techniques, tooling, and processes to drive rigorous product decisions.
Build and maintain the A/B experimentation platform using feedback from stakeholders.
Deploy experimentation techniques to production by writing code or evaluating vendors, ensuring the tools remain accessible to product, engineering, and design teams.
Execute end-to-end evaluations for core use cases like document and URL uploads, which includes creating evaluation sets, establishing criteria, and interpreting results.
Break down broad evaluations into granular tasks such as content generation, multi-step reasoning, tool selection, coding, and system design.
Establish best practices, tools, and processes for query intent classification, industry benchmarking, and applying statistical principles to handle LLM stochasticity.

Requirements

Hold a Master's degree with 5+ years of experience or a PhD degree with 3+ years of experience in Statistics, Mathematics, Computer Science, or another quantitative field.
Demonstrate strong expertise in statistics and machine learning with a pragmatic focus on delivering tangible product and tool improvements.
Exhibit high proficiency in Python, including the ability to maintain a source-controlled internal library used by others.
Display concise and precise written and verbal communication skills with a strength in technical documentation.
Show proficiency in SQL and modern data stacks, such as source-controlled dbt pipelines for ETL and ELT.
Possess experience in defining product KPIs, guardrail metrics, dashboarding, and raw data analysis.
Bring prior experience working in B2B SaaS environments.
Demonstrate background in ranking, developing, or maintaining A/B experimentation platforms and machine learning measurement problems.

Skills and Tools

Python
SQL
dbt
Machine Learning
Statistics
A/B Experimentation Platforms
Modern Data Stack

Salary and Benefits

The standard base salary range for this position is $180,000 to $330,000 annually, with actual compensation determined by location, level, skills, and experience. Eligible candidates may receive variable compensation, equity, and benefits. The comprehensive benefits package includes medical, vision, and dental coverage, a generous time-off policy, and a 401(k) plan. Additional perks include a home office improvement stipend, annual education and wellness stipends, regular company events, and daily healthy lunches.

About the Company

Glean provides a Work AI platform featuring enterprise search, an AI assistant, and scalable AI agents on a secure platform with over 100 enterprise SaaS connectors. The company maps relationships between people, content, and activity using Enterprise and Personal Knowledge Graphs to deliver personalized responses. Recognized by Fast Company, CNBC, Bloomberg, Forbes, and Gartner, Glean employs over 1,000 people across more than 25 countries and serves customers in over 50 industries.

How to Apply

Candidates should apply directly on the official company careers page.

Skills and tech stack

Questions candidates ask

What is the location of the Senior/Staff Applied Scientist role?

The role is hybrid and based out of the San Francisco office, requiring presence four days a week.

What are the education and experience requirements?

Candidates must hold either a Master's degree with 5+ years of experience or a PhD with 3+ years of experience in Statistics, Mathematics, Computer Science, or another quantitative field.

What is the salary range for this position?

The standard base salary range is $180,000 to $330,000 annually, determined by factors such as location, level, knowledge, skills, and experience.

What programming language is required for the job?

High proficiency in Python is required, including the ability to maintain an internal source-controlled library.

What benefits and perks does the company offer?

Glean offers medical, vision, and dental coverage, generous time-off, a 401(k) plan, a home office improvement stipend, annual education and wellness stipends, company events, and daily healthy lunches.

Ready to apply?

The application is on the official Glean careers page.

Apply on company site