# Founding Engineer

- Company: [Carnot Ai](<https://jobstar.asia/company/carnot-ai>)
- Location: San Francisco
- Team: Engineering
- Employment type: Full Time
- Salary: $140K – $250K
- Posted: December 14, 2025

## Job description

## About the Role

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

## About Jinba

We help large enterprises build automated workflows using plain English. Unlike traditional no-code tools that bolt a chat agent onto their interface, Jinba is built as a native vibe coding platform from the ground up.

YC W26. International team across SF and Tokyo. Growing fast with major enterprise contracts.

## Apply

[Apply on Carnot Ai](<https://jobs.ashbyhq.com/carnot-ai/e88c7892-b64d-4b5d-a813-deac00db724d>)

Canonical job page: <https://jobstar.asia/job/founding-engineer-carnot-ai-san-francisco-bc0e467bf4818186>
