About the role#
ThirdLayer is hiring a Research Engineer Intern for the summer of 2027. You will work on agent systems, context handling, and tool use. You will collaborate with our research team to move novel approaches into production.
What you'll do#
- Build browser agent and tool-calling multi-agent systems.
- Develop evaluation frameworks to measure memory, efficiency, and accuracy.
- Create a memory and personalization layer for workflows.
- Design tool-calling environments to benchmark agent systems.
- Build systems that predict and execute user steps in complex workflows.
- Map user paths on software to API functionality and action trajectories.
- Develop a searchable, self-updating memory store for learning agents.
- Build systems to interpret DOM snapshots, mouse clicks, and keyboard inputs to select browser actions.
- Create a context composer that feeds info into LLM prompts based on user interactions, page content, and memory.
What you'll need#
- Research or work experience with RL environments, LLMs, modern AI frameworks, or ML.
- Experience with prompt engineering strategies.
- Strong foundation in Python and TypeScript.
- Currently pursuing a degree in Computer Science or Computer Engineering.
Location & details#
- Location: San Francisco, California.
- Modality: On-site.
- Term: Summer 2027.
- Compensation: $6,000 to $10,000 per month.
- Sponsorship: Visa sponsorship is available.
About ThirdLayer
ThirdLayer builds infrastructure for enterprise agents. The company focuses on continual learning systems that use organizational context to improve outcomes. Founded in 2025, the business operates out of San Francisco. It employs eight people.
How to get in at ThirdLayer
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