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2026 Summer AI/ML Engineer Intern

Thirdlayer

San Francisco, CAInternshipSeen 1mo agoStill listed 2 days ago

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At a glance

Compensation
No compensation found
Location
San Francisco, CA
Role Type
Internship
Schedule
Internship
Work Authorization
Not specified

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Job overview

Join us in pushing the boundaries of what's possible with LLMs and browser-native AI, working on agent systems, context handling, and tool use while collaborating directly with the research team.

Skills & qualifications

RequiredNice to have

Skills

Reinforcement LearningLarge Language ModelsModern AI FrameworksMachine LearningPrompt EngineeringPythonTypeScript

Full job description

2026 Summer Research Engineer Intern 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 multi-agent systems.
  • Evaluation frameworks for memory, efficiency, and accuracy.
  • Memory and personalization layer for workflows

Requirements

  • Research or work experience with RL environments, LLMs, modern AI frameworks, and/or ML.
  • Experience with prompt engineering strategies.
  • Strong foundation in Python and TypeScript.

Sample Projects

  • Designing and creating tool-calling environments to evaluate and benchmark agent systems
  • Agentic systems that predict and execute users’ next steps in complex workflows.
  • Mapping user paths on real world software to API functionality and action trajectories.
  • A searchable, self-updating memory store for continuously learning agents.
  • 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.

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