SECTION I · THE BRIEF

Brief #61317Updated 21 AUG 2026CUPERTINO, CA, US / SAN FRANCISCO, CAYcY COMBINATOR

Employbl Company Profile

Frontend/Full-Stack Engineer

Peppr AI is a software company specializing in AI-powered knowledge management solutions.

Location: Cupertino, CA, US / San Francisco, CA
Company size: 2–10
Posted: 3w 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

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Job listing · Updated 21 AUG 2026

Frontend/Full-Stack Engineer

Peppr AI· Cupertino, CA, US / San Francisco, CA, USView company profile

Job title: Frontend/Full-Stack Engineer
Job location: Cupertino, CA, US / San Francisco, CA, US
Job listing URL: https://www.ycombinator.com/companies/peppr-ai/jobs/LV9cj5B-frontend-full-stack-engineer
Job description: **What You'll Do** As a founding frontend/full-stack engineer at Peppr AI, you'll own features end-to-end—from UI/UX design through implementation—creating the interfaces that make our agentic AI platform intuitive and powerful for enterprise users. You'll work with React, shadcn, react-router, and FastAPI to build polished experiences that seamlessly integrate with our AI backend systems. Key responsibilities include: * Design and ship polished interfaces with React, shadcn, and react-router * Take ownership of full features: mockup → implementation → QA → deployment * Collaborate closely with product & design teams to craft delightful user experiences * Build reusable, scalable frontend architecture and consistent design systems * Optionally tie in backend work using FastAPI and PostgreSQL to deliver complete solutions **What We're Looking For** We're seeking a proactive engineer who can own features end-to-end and ship fast in a dynamic startup environment. You should have: **Required:** * 3+ years shipping production React applications with strong TypeScript/JavaScript skills * Experience with UI libraries/components (shadcn or similar frameworks) * Familiarity with react-router, state management, form handling, and responsive design * Basic design sense—experience in Figma, design systems, or styling frameworks * Bonus: Experience building UI for AI-driven workflows or agent interfaces **Nice-to-Have:** * Backend experience with FastAPI or Python for full-stack development * Production experience with Docker, CI/CD, and some AWS or Kubernetes basics * A product mindset and experience shipping end-to-end features * Comfort with ambiguity and rapid iteration in a startup environment This role offers the opportunity to shape both our user experience and technical architecture while building interfaces for the future of enterprise AI.

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