Founding Engineer

San Francisco, California, United StatesOnsiteFull Time$150,000–$250,000 /yrPosted 2 months agoHidden Gem · YC Startup

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Role summary

Founding Engineer needed to architect and build a full-stack enterprise workflow automation platform. This role requires 5+ years of experience in rapid product development, with expertise in TypeScript, React, system design, and scaling distributed systems. You will integrate AI frameworks and build natural language to action pipelines, define technical strategy including data modeling and infrastructure choices, and evolve systems for enterprise-scale reliability and performance. Experience with modern deployment tools like Vercel and Cloudflare Workers, Infrastructure as Code (Terraform), and CI/CD (GitHub Actions) is essential. A founder mentality and willingness to work in person in San Francisco are key.

Full-stack engineer who understands vibe coding tools and how recent AI frameworks work. You'll build both frontend and backend for our enterprise workflow automation platform.

## Responsibilities

* Architect and build both frontend and backend systems powering our vibe coding platform
* Define technical strategy: system design, data modeling, service boundaries, and infrastructure choices
* Integrate AI models and build reliable natural language to action pipelines
* Collaborate directly with customers to translate enterprise needs into product solutions
* Evolve infrastructure for reliability, observability, and performance at enterprise scale
* Ship fast while building sustainable, maintainable systems

## Requirements

**Experience**

* 5+ years building products quickly
* TypeScript (backend and frontend), React
* Deep understanding of system design, database architecture, and scaling distributed systems
* Modern deployment and infrastructure (Vercel, Cloudflare Workers). Infrastructure as code (Terraform). CI/CD pipelines (GitHub Actions)
* Experience with AI frameworks (Vercel AI SDK, Mastra) and patterns (agentic loops, tool calling, streaming, MCP)

**Bonus**

* Understanding of tools like OpenCode and how they work
* Shipped AI/LLM products to production.
* LLM observability and production debugging (Langfuse, Datadog).
* Experience at early-stage startups
* Major contributions to OSS projects

**Mindset**

* Founder mentality: hard work, independence, ownership
* Ready to work in person in San Francisco

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