Software Engineering Intern, Frontend (fall co-op)

About Companies Library Partners Resources Startup Jobs Log in Apply Respan Self-driving observability, evals, and gateway for AI agents Software Engineering Intern, Frontend (fall co-op) $3K - $6K / monthly • Alameda, CA, US Job type Internship Role Engineering, Frontend School year Any Visa US citizen/visa only Connect directly with founders of the best YC-funded startups. Apply to role › Raymond Huang Founder About the role What we’re building Respan is building the self-driving observability and evals platform for AI teams, used by 60+ YC companies and hundreds of AI teams. The role This internship is for builders who already use AI tools like Cursor, Claude Code, and Codex to move fast. You will work alongside the engineering team, shipping real product features using vibe coding workflows: prompting, iterating, and reviewing AI-generated code to build production software. We are looking for someone who is naturally curious, learns quickly, and is excited about the future of AI-assisted development. You will get hands-on experience building developer tools at a startup where your work ships to thousands of users. What you’ll do: Build and ship product features using AI-assisted development workflows Prototype new ideas quickly using LLM-powered coding tools Review, test, and iterate on AI-generated code to meet production standards Collaborate with the engineering team on full-stack projects (React, Next.js, Python) Contribute to internal tooling and automation that improves team velocity What you must have: Proficiency with AI coding tools such as Cursor, Claude Code, or Codex Basic understanding of web development (HTML, CSS, JavaScript/TypeScript) Strong problem-solving skills and ability to learn new tools quickly Willingness to work in person in Bay Area, CA Strong plus: Personal projects or portfolio demonstrating use of AI-assisted development Familiarity with React, Next.js, or Python Interest in developer tools, LLMs, and the AI ecosystem Currently pursuing a degree in Computer Science or related field About Respan Respan Founded: 2023 Batch: W24 Team Size: 15 Status: Active Location: San Francisco     Founders Raymond Huang   Founder Hanhe Li   Founder Similar Jobs chrt Frontend Engineer Jarmin Design Engineer Authologic Frontend Engineer (UI & Product-Focused) Splash Inc. Frontend Engineer (UI/UX) Dedalus Labs Design Engineer Flick Senior/Staff Frontend Engineer Dalus Senior Software/Frontend Engineer @ Germany Office Truss Design-Focused React Native Engineer Credal.ai Founding Frontend/UX Software Engineer Uplane Forward Deployed Engineer - Berlin Clinikally SDE 2 - Frontend Stacksync Senior Frontend Engineer, AI Product UX VectorShift Frontend Engineer (India) Coulomb AI Senior Frontend Developer Footer Y Combinator Make something people want. Programs YC Program Startup School Work at a Startup Co-Founder Matching Resources Startup Directory Startup Library Investors Demo Day Safe Hacker News Launch YC YC Deals Company YC Blog Contact Press People Careers Privacy Policy Notice at Collection Security Terms of Use Twitter Facebook Instagram LinkedIn Youtube © 2026 Y Combinator