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Senior/Staff Applied Scientist

GleanMountain View, 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

This Senior or Staff Applied Scientist position suits quantitative professionals with advanced degrees who want to build evaluation frameworks and experimentation platforms for enterprise AI systems. The role is based in the San Francisco office with a hybrid work schedule.

Role Overview

Glean is hiring a Senior or Staff Applied Scientist to join the data organization in San Francisco, California. The professional in this position will focus on developing experimentation platforms, establishing evaluation methodologies for AI capabilities, and improving decision-making across product domains.

Key Responsibilities

Partner with product data science and engineering groups to identify process improvements, tooling, and techniques for online A/B testing.
Build and maintain the internal A/B experimentation platform using stakeholder feedback.
Deploy experimentation techniques to production via custom code or vendor selection so that product, design, and engineering teams can use them easily.
Perform end-to-end evaluations for core use cases, including criteria creation, evaluation set generation, and result interpretation.
Break down evaluations into specific tasks like content generation, multi-step reasoning, tool selection, coding, and system design.
Establish best practices and tooling for query intent classification, industry benchmarking, and handling LLM stochasticity using statistical principles.

Requirements

Hold a Master's degree with 5 plus years of experience, or a PhD degree with 3 plus years of experience, in Computer Science, Mathematics, Statistics, or another quantitative discipline.
Strong expertise in machine learning and statistics with a pragmatic focus on business needs.
High proficiency in Python for maintaining source-controlled internal libraries.
Strong capabilities in SQL and modern data stacks such as source-controlled dbt pipelines.
Experience defining product metrics, dashboarding, and analyzing raw data for strategic insights.
Background in B2B SaaS environments.
Direct experience with ranking systems, machine learning measurement problems, or building A/B experimentation platforms.
Clear written and verbal communication skills with a strong talent for technical documentation.

Nice to Have

Experience using AI to enhance productivity for data and non-data teams.

Skills and Tools

Python
SQL
dbt
Machine Learning
Statistics
A/B Experimentation Platforms

Salary and Benefits

The annual base salary range spans from $180,000 to $330,000, determined by factors such as experience, skills, knowledge, location, and level, with potential eligibility for equity, variable compensation, and benefits. The comprehensive benefits package includes medical, vision, and dental coverage, generous time-off policies, 401k plan contributions, a home office improvement stipend, annual education and wellness stipends, daily healthy lunches, and regular company events.

About the Company

Glean develops a Work AI platform featuring enterprise search, an AI assistant, and scalable AI agents built on an open infrastructure with over 100 enterprise SaaS connectors. The organization operates globally with over 1,000 employees across more than 25 countries and serves customers across 50 industries. Recognized by Fast Company as a top innovative company, Glean emphasizes diversity and inclusive hiring practices.

How to Apply

Interested candidates should submit their application directly on the official company careers page.

Skills and tech stack

PythonSQLdbtLLMsLLMMachine Learning

Questions candidates ask

What is the location of this role?

This is a hybrid role requiring attendance at the San Francisco office four days a week.

What are the educational and experience qualifications required?

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

What is the salary range for the Senior or Staff Applied Scientist position?

The base salary range is between $180,000 and $330,000 annually, depending on experience, skills, location, and level.

What technical programming languages are required?

Proficiency in Python and SQL is required for the position.

Ready to apply?

The application is on the official Glean careers page.

Apply on company site