# 2026 Summer AI/ML Engineer Intern

**Company:** [Dex](https://zerogtalent.com/ai-companies/dex)
**Location:** San Francisco, CA, US
**Work mode:** On-site
**Employment type:** Internship
**Salary:** USD 6000–10000/mo
**Category:** Software
**Listed:** 2026-03-24

[View and apply on Zero G Talent](https://zerogtalent.com/ai-jobs/dex/2026-summer-ai-ml-engineer-intern-80750)

## 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.

## Other open roles at Dex

- [Full-Stack Engineer Intern](https://zerogtalent.com/ai-jobs/dex/full-stack-engineer-intern-76659) — San Francisco, CA, US
- [AI Engineer Intern](https://zerogtalent.com/ai-jobs/dex/ai-engineer-intern-76658) — San Francisco, CA, US
- [Summer 2026 Full-Stack Engineer Intern](https://zerogtalent.com/ai-jobs/dex/summer-2026-full-stack-engineer-intern-80751) — San Francisco, CA, US

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*Source: [Zero G Talent](https://zerogtalent.com), the job board for space, defense, AI, robotics and frontier-tech companies.*