Machine Learning Engineer, Search Quality

Glean · San Francisco, CA · Engineering

Posted 2026-09-26

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About the Role:

Glean is looking for engineers to help build the world’s best search and assistant product for work. Our engineers work on a range of systems across the stack, including query understanding, document understanding, domain-adapted language models, natural language question-answering, evaluation, and experimentation. We interact regularly with customers, deeply understand their pain points, and use whatever tool is necessary, simple or complex, to solve their problems.

You will:

Invent new signals to improve the personalization of our search engine

Train a model to capture interactions between signals in our ranking system

Design smarter ways to domain-adapt language models to each customer’s corpus

Discover new ways of combining LLMs with search engines to answer complex questions

Write robust code that’s easy to read, maintain, and test

Mentor more junior engineers, or learn from battle-tested ones

About you:

2+ years of experience

BA/BS in computer science, math, sciences, or a related degree

Experience working with search, recommendation, natural language processing, or other large systems involving machine learning

Strong analytical skills and ability to work with data

Proven ability to design, build, and ship production-ready models

Proficiency in your ML framework of choice

Strong coding skills (Python, Go, Java, C++, ...)

Thrive in a customer-focused, tight-knit and cross-functional environment - being a team player and willing to take on whatever is most impactful for the company is a must

A proactive and positive attitude to lead, learn, troubleshoot and take ownership of both small tasks and large features

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 $140,000 - $265,000 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, you'll 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’re committed to building and sustaining a diverse, inclusive workplace. We strive to attract and retain people with a wide range of backgrounds, experiences, and perspectives, and we do not discriminate on the basis of gender, ethnicity, sexual orientation, religion, civil or family status, age, disability, or race.

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