Full-Stack Engineer Intern

Dex is hiring a Full-Stack Engineer Intern in San Francisco, CA. Full brief — comp band, interview process, and hiring team — available to Employbl members.

Location: San Francisco, CA
Company size: 5–20
Posted: 1w ago
Via: Yc

Section II · Full ProfileFree with an account

01Comp band & equity packageLocked
02Seniority & experience requirementsLocked
03Interview process & rubricLocked
04Hiring manager & team contextLocked
05Growth trajectory in this roleLocked
06Offer & decision timelineLocked

Create free account Sign in

Free account · no card · 2 minutes

Full-Stack Engineer Intern · Dex

View company profile

Job title: Full-Stack Engineer Intern
Job location: San Francisco, CA, US
Job listing URL: https://www.ycombinator.com/companies/joindex/jobs/1ZzDdz8-full-stack-engineer-intern
Job description: 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. ## What You'll Build * Fullstack browser extension interfaces based on research prototypes. * End-to-end features using React/Next.js, Python, and SQL. * Beautiful and intuitive frontend systems. ## 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 or Framer. * 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.

View job listing ↗

The Saturday Briefing

Get the Saturday tech briefing

New company profiles, funding moves, and who’s hiring across the market — every Saturday morning.

Where this role is based

San Francisco, CA

Loading map…

Dex headquarters

Company size

5–20 employees

Founded

2025

Total raised

$808,980

View company profile ↗

Funding rounds

Pre Seed$500KMar 12, 2025
Equity Crowdfunding$159KJan 15, 2023
Pre Seed$150KAug 19, 2019