Summer 2026 Full-Stack Engineer Intern
Summer 2026 Full-Stack Engineer Intern at Dex — San Francisco, CA, US
- Company: Dex
- Location: San Francisco, CA, US
- Employment type: INTERN
- Salary: USD 6000–10000 / year
- Posted: 2026-07-17
About this role
Full-Stack Engineer Intern
We're looking for engineers who can turn research prototypes into production-ready systems. You'll work at the intersection of browser automation, agent infrastructure, and intuitive UX that make complex agent behavior understandable and controllable.
Preferred: History of high-achieving projects/work experience, open source contributions, or competitive math/cs/physics experience.
What You'll Do
Full-stack browser extension interfaces based on research prototypes.
End-to-end features using React/Next.js, Python, and SQL.
Design intuitive interfaces for how users should delegate and override AI actions.
iMessage, communications channels, desktop-native, wearables integrations
Requirements
Strong foundation in React/Next.js and TypeScript.
Experience building and shipping complex web apps and/or browser extensions.
Familiarity with design systems like Figma
Preferred: Proof of meaningful open-source contribution.
Preferred: Strong UI/UX or design portfolio.
Sample Projects
Reusable tool call and output components for LLM-generated responses.
Building efficient indexing, search, and memory layer architecture.
Developing security and guardrails to approve and deny agent requests.
Integrating third-party platforms (e.g. Slack, Notion, Gmail) to enable workflows.