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AI Engineer Intern

San FranciscoInternship$30-60/hr

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.

Why you'll love ThirdLayer

  • Competitive Pay: We match top-tier internship salaries and bonuses.
  • Hacker House: Live and work in our central SF 3-story loft.
  • Impact: Work directly with founders to shape the product.

What You'll Build

  • Browser agent and tool-calling systems.
  • Evaluation frameworks for agent performance.
  • Work closely with research team to improve prompts, embeddings, and context.

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.