Research Intern
Sierra · San Francisco, CA
Applied AIonsiteintern
At a glance
Highlights
- Own a research project end-to-end and potentially publish at a top venue.
- Push agent evaluation forward by extending τ-bench to new domains and tasks.
- Improve production agents used by millions with voice AI and post-training research.
Ideal candidate
PhD researcher with strong experimental rigor and high agency who wants real-world impact. You care about understanding agent failures and turning rigorous research into production improvements and publications.
Requirements
- Currently pursuing a PhD in computer science, machine learning, or a related field
- Research track record such as first-author publications or submissions at top venues
- Strong experimental skills with clean experiments and careful baselines
- Fluency in Python and modern ML tooling
- High agency and builder's mindset
- Clear, direct communication in writing and when presenting research
Lab profile
About Sierra
Leading platform for customer-facing AI agents for global enterprise brands.
What they build
- Platform for customer-facing AI agents
Known for
- Enterprise customer service transformation
- Trusted by major global brands
- Voice AI and agent analytics
Key facts
- Headquartered in San Francisco
- Offices across North America, Europe, and Asia
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