2026 Summer AI/ML Engineer Intern

ThirdLayer8 months ago
San Francisco, California, United States
Remote
Internship
Junior Level (1-3 years)

Job Description

Position Overview

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.

Key Responsibilities

  • Browser agent and tool-calling multi-agent systems.
  • Evaluation frameworks for memory, efficiency, and accuracy.
  • Memory and personalization layer for workflows.

Required Qualifications

  • 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.
  • Developing 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.
  • Building a searchable, self-updating memory store for continuously learning agents.
  • Creating a system to interpret DOM snapshots, mouse click events, and keyboard inputs to select browser actions.
  • Developing a context composer that feeds relevant info into LLM prompts based on user interactions, page content, and memory.

Required Skills

Browser-native AI
LLMs
Modern AI frameworks
RL environments
TypeScript
Prompt engineering strategies
Python
Multi-agent systems