Hiring.Camp

Founding Product Engineer

Relixir

·

Sep 19, 2026

Salary
$150k – $200k/yr
Location
Mountain View, California
Type
Full-time
Department
Engineering
Source
Y Combinator

Description

About Naive

Naive is building autonomous companies: agent systems capable of operating real businesses end to end.

We release autonomous company templates and benchmarks, alongside a studio—where users can deploy and operate these systems. Our infrastructure platform, Vetta, powers long-running, high-volume agent workloads.

We’ve raised a $28.5M Series A from Nexus Venture Partners, Y Combinator, Zetta Venture Partners, Liquid 2 and leading operators.

The Role

Build Naive Studio: the interface where users deploy and operate autonomous companies. You’ll own features from product concept and UX through engineering, launch and growth.

What You’ll Do

  • Build full-stack with Next.js, TypeScript, Python and FastAPI
  • Design polished, intuitive interfaces for complex agent systems
  • Own features from customer research and prototyping through launch
  • Create demos, launch content and campaigns for what you ship
  • Turn usage data and customer feedback into product decisions
  • Establish a high bar for design, performance and shipping velocity

Must-Haves

  • Strong full-stack engineering and UI/UX ability
  • Exceptional product taste and attention to detail
  • Experience shipping a 0→1 product
  • Real experience building with LLMs and agentic systems
  • Strong written communication and product-marketing instincts
  • High agency—you independently identify and solve problems

Nice-to-Haves

  • Ex-founder or early startup engineer
  • Experience with developer tools or AI-native products
  • Familiarity with agent orchestration, MCP or SDK design
  • Experience producing demos, launch videos or technical content

P.S. If you’re serious about this role, send Sean a LinkedIn connection request with a note.

Skills

PythonTypeScriptNext.jsFastAPIPrototyping

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