SeniorStaff Applied Scientist

About Glean:

Glean is the Work AI platform that helps everyone work smarter with AI. What began as the industrys most advanced enterprise search has evolved into a full-scale Work AI ecosystem powering intelligent Search an AI Assistant and scalable AI agents on one secure open platform. With over 100 enterprise SaaS connectors flexible LLM choice and robust APIs Glean gives organizations the infrastructure to govern scale and customize AI across their entire business - without vendor lock-in or costly implementation cycles.

At its core Glean is redefining how enterprises find use and act on knowledge. Its Enterprise Graph and Personal Knowledge Graph map the relationships between people content and activity delivering deeply personalized context-aware responses for every employee. This foundation powers Gleans agentic capabilities - AI agents that automate real work across teams by accessing the industrys broadest range of data: enterprise and world structured and unstructured historical and real-time. The result: measurable business impact through faster onboarding hours of productivity gained each week and smarter safer decisions at every level.

Recognized by Fast Company as one of the Worlds Most Innovative Companies (Top 10 2025) by CNBCs Disruptor 50 Bloombergs AI Startups to Watch (2026) Forbes AI 50 and Gartners Tech Innovators in Agentic AI Glean continues to accelerate its global impact. With customers across 50 industries and 1000 employees in more than 25 countries were helping the worlds largest organizations make every employee AI-fluent and turning the superintelligent enterprise from concept into reality.

If youre excited to shape how the world works youll help build systems used daily across Microsoft Teams Zoom ServiceNow Zendesk GitHub and many more - deeply embedded where people get things done. Youll ship agentic capabilities on an open extensible stack with the craft and care required for enterprise trust as we bring Work AI to every employee in every company.

About the Role:

Glean is building a world-class Data Organization composed of product data science applied science data engineering and business intelligence groups. This is an applied science role based in San Francisco office.

You will:

• Collaborate with product data science and engineering teams to identify techniques tooling and process improvements in online A/B experimentation to assist rigorous decision making across all relevant product domains.
• Develop and maintain our A/B experimentation platform based on stakeholder feedback
• Write code or identify vendors to deploy these techniques to production in a scalable manner thats easy to use by engineering product data science product management and design teams
• Conduct end to end evaluation of various hero use cases like document/URL uploads including evaluation set generation coming up with evaluation criteria and methods to interpret the results.
• Break down end to end evaluations into more granular evaluation of various tasks & skills including but not limited to content summarization/analysis/generation multi-step reasoning & strategizing tool selection & use coding & system design.
• Design develop and own best practices tools and processes across various evaluation problems e.g. query intent classification standardizing the use of best statistical principles to handle LLM stochasticity industry benchmarking.

About you:

• You have 5 years of experience as a Masters degree holder 3 as a PhD degree holders (Masters/PhD degree in Statistics Mathematics or Computer Science or another quantitative field)
• Youre strong in statistics and/or machine learning. You have experience in applying these skills into tangible improvements in products internal tools and processes in a pragmatic way that puts business urgencies first.
• You are very proficient in Python e.g. proficient enough to maintain an internal source-controlled library used by dozens of others.
• You are concise and precise in written and verbal communication. Technical documentation is your strong suit.
• You are proficient in SQL and the modern data stack (e.g. source-controlled dbt pipelines for ETL/ELT).
• You are strong at defining good product KPIs/guardrail metrics dashboarding and analysis of raw data to derive strategic insights.
• You have experience in B2B SaaS.
• You have experience working on ranking developing and maintaining A/B experimentation platforms and/or ML measurement problems.
• You are passionate about using AI to improve the productivity of data teams as well as non-data professionals trying to derive more value of their companys data.

Location:

• This role is hybrid (4 days a week in our San Francisco office)

Compensation & Benefits:

The standard base salary range for this position is $180000 - $330000 annually. Compensation offered will be determined by factors such as location level job-related knowledge skills and experience. Certain roles may be eligible for variable compensation equity and benefits.

We offer a comprehensive benefits package including competitive compensation Medical Vision and Dental coverage generous time-off policy and the opportunity to contribute to your 401k plan to support your long-term goals. When you join youll receive a home office improvement stipend as well as an annual education and wellness stipends to support your growth and wellbeing. We foster a vibrant company culture through regular events and provide healthy lunches daily to keep you fueled and focused.

We are a diverse bunch of people and we want to continue to attract and retain a diverse range of people into our organization. Were committed to an inclusive and diverse company. We do not discriminate based on gender ethnicity sexual orientation religion civil or family status age disability or race.

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AI-First Mindset at Glean:

At Glean AI fluency is core to how we work and were committed to ensuring every new hire feels confident integrating AI into their everyday work. As part of the interview process youll complete a brief AI-focused exercise or discussion so we can understand how you think about design and use AI to drive impact in your role. Feel free to reference any tools platforms or workflows you use today prior Glean experience isnt required.

Global Data Privacy Notice for Job Candidates and Applicants:

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By clicking Submit Application I confirm that I have read the Global Data Privacy Notice and the Applicant Arbitration Agreement and I agree to the terms.

Required Experience:

Staff IC