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Founding Engineer

Jinba

San Francisco, CAFull-timeSeen 1mo agoStill listed 3 days ago

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At a glance

Compensation
No compensation found
Location
San Francisco, CA
Schedule
Full-time
Work Authorization
Not specified

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Job overview

Full‑stack engineer with expertise in vibe coding tools and modern AI frameworks, responsible for building both frontend and backend components of an enterprise workflow automation platform while collaborating directly with customers to deliver scalable solutions.

Skills & qualifications

RequiredNice to have

Skills

TypeScriptReactSystem DesignDatabase ArchitectureDistributed Systems ScalingVercelCloudflare WorkersTerraformGitHub ActionsVercel AI SDKMastraAgentic LoopsTool CallingStreamingMCP

Qualifications

5+ Years Building Products

Full job description

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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