Machine Learning Engineer

Position:
Machine Learning Engineer, Assistant Quality

Company:
Glean

Compensation:
The standard base salary range for this position is $180,000 - $205,000 annually.

Location:
United States, San Francisco, CA

Employment type:
Not specified

Work Arrangement:
Hybrid (4 days a week in our San Francisco office)

Short Summary:
Glean is seeking a Machine Learning Engineer to improve the quality of our AI Assistant and autonomous agents, focusing on building, evaluating, and iterating on assistant experiences that are useful and reliable.

Responsibilities:
- Build and improve ML and LLM-powered systems that raise the quality of Glean’s AI Assistant and autonomous agents across real user workflows.
- Design evaluation, benchmarking, and monitoring loops to measure assistant quality, model quality, and end-to-end system performance.
- Develop and iterate on signals, prompts, workflows, and model-driven logic that improve reasoning, planning, personalization, and task completion quality.
- Work across areas such as RAG, semantic search, recommendation-style systems, post-training or reinforcement learning, and agent orchestration.
- Partner closely with product, design, and engineering teammates to understand customer pain points and ship high-quality production systems quickly.
- Contribute to the data and ML infrastructure needed to support robust experimentation, offline and online evaluation, and continuous model improvement.

Requirement:
- 2+ years of industry experience in machine learning, applied AI, or software engineering with significant ML ownership.
- Strong hands-on coding ability and a track record of shipping production systems.
- Experience in LLM applications, NLP, search, retrieval, recommendations, evaluation frameworks, agent systems, or personalization.
- Proficiency in common ML tooling and strong software engineering fundamentals in languages such as Python, Go, Java, or C++.
- A pragmatic, product-minded approach with a proactive, low-ego working style.

Benefits:
- Comprehensive benefits package including competitive compensation, Medical, Vision, and Dental coverage, generous time-off policy, and 401k plan.
- Home office improvement stipend, annual education and wellness stipends.
- Vibrant company culture through regular events and healthy lunches daily.
- Commitment to building and sustaining a diverse, inclusive workplace.