Composio
Fullstack Engineering Internship, Product Team (Fall 2026 & Winter 2027)
About this role
Composio is hiring a fullstack and product engineering intern to help build the developer and consumer experiences for their AI agent infrastructure platform. You'll work on elegant frontend interfaces, SDKs, and documentation while collaborating closely with customers to shape the product.
What you'll do
- Improve developer and consumer web platforms by building fullstack features
- Design and implement elegant user interfaces on frontend and SDK
- Gather customer feedback and iterate on product based on real-world usage
- Write clear, articulate technical documentation
- Deliver projects from zero to one with attention to craft and detail
- Collaborate with a lean engineering team on AI agent tooling problems
What they're looking for
- Full-stack development (zero-to-one project experience)
- TypeScript and React
- Next.js and Tailwind CSS
- Product intuition and design taste
- Technical writing and documentation
- Experience building with or for language models
- Customer empathy and communication
- API and SDK design
Benefits
- Work at a Series A startup backed by Lightspeed ($25M raise)
- Learn from experienced team including ex-Vercel, ex-HubSpot leaders
- Build products used by YC companies, Zoom, and other notable customers
- San Francisco location with access to bay area tech network
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Composio
Composio builds agent-to-tools infrastructure that enables AI agents to interact with external systems and APIs. The company is hiring AI engineers, deployment specialists, growth engineers, and customer-focused research engineers to expand its platform, improve production deployments, drive adoption, and work directly with enterprise customers.
- Website
- composio.dev
Likely interview questions
- Tell us about a full-stack project you built from scratch—what was your process and what would you do differently?
- Describe your experience building with language models or LLM-based applications.