AI Engineer Intern
Thirdlayer, San Francisco, California
- Pay
- Not listed by the employer
- Work type
- Not stated
- Level
- Intern
- Area
- ML / AI engineering
- Posted
- May 20, 2025
About the role
Join us in pushing the boundaries of what's possible with LLMs and browser-native AI. You'll work on cutting-edge problems in agent systems, context handling, and tool use, while collaborating directly with our research team to bring novel approaches to production.
What You'll Build
- Browser agent and tool-calling systems.
- Evaluation frameworks for agent performance.
- Memory and personalization layer for workflows
Requirements
- Research/work experience with LLMs, modern AI frameworks, and/or ML.
- Experience with prompt engineering strategies.
- Strong foundation in Python and TypeScript.
Sample Projects
- Agentic systems that predict and execute users’ next steps in complex workflows.
- A searchable, self-updating memory store for personalized browser agent behaviour.
- Designing intuitive interfaces for how users should delegate and override AI actions.
- A system to interpret DOM snapshots, mouse click events, and keyboard inputs to select browser actions.
- A context composer that feeds relevant info into LLM prompts based on user interactions, page content, and memory.
Similar roles at other companies
AI Engineer
FluencySan Francisco
$150K–$250K / yr
Posted May 16, 2026
AI Engineer
Sensor TowerLisbon, Portugal
Pay not posted
Posted 9 days ago
AI Engineer
Sensor TowerBelgrade, Serbia
Pay not posted
Posted 9 days ago
AI Engineer
Sensor TowerYerevan, Armenia
Pay not posted
Posted 9 days ago
AI Engineer
Sensor TowerTbilisi, Georgia
Pay not posted
Posted 9 days ago
Listed on Y Combinator's job board; checked 27 h ago. First seen by us 27 h ago. Being listed doesn't mean the team is actively interviewing.