# Founding Engineer at Cardinal

- Company: Cardinal (YC W26)
- What the company does: Revenue Agents for GTM teams. Backed by Y Combinator.
- Company website: https://trycardinal.com
- Type: Startups (AI role)
- Level: Mid level
- Location: San Francisco, CA, US
- Work setup: On-site
- Pay: $200K to $250K base salary per year (USD)
- Posted: 2026-03-20
- Apply by: 2026-10-08
- Apply: https://www.ycombinator.com/companies/trycardinal-ai/jobs/vLd6N4I-founding-engineer
- Page: https://www.1752.vc/careers/jobs/cardinal-founding-engineer/

## About the role

As a Founding Engineer, you'll architect and build the core AI agents and infrastructure that power precision outbound at scale — then make them accessible through beautiful, intuitive interfaces. You'll work directly with customers, shape product direction, and own critical systems that drive revenue for 40+ YC companies and growing.

## What they're looking for

- 1–6 years of experience building production systems and user-facing features
- Full-stack expertise — strong with TypeScript, React, Next.js, and Python. Systems thinking — you understand distributed systems, concurrency, and performance optimization
- Product mindset — you talk to customers, understand their pain, and ship solutions that solve real problems
- High agency — you identify problems and fix them without being asked

Tags: Engineering