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Product Engineer (Full Stack, AI)

Lumina Tech Group | Brooklyn, New York, United States+1 | 1mo ago
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Original posting (closed) below
locations: Brooklyn, New York, United States · San Francisco, California, United States
$200,000 – $300,000/yr| full-time | hybrid | mid | 4+ years
skills: python, typescript, api design, backend systems, user-facing products, distributed systems, ai

Product Engineer (Full Stack, AI)

📍 New York (Brooklyn) / San Francisco

💼 Full-time | Hybrid (in-person preferred)

💰 $200,000 – $300,000 + 0.2%–0.75% equity

Company Overview

This company is building an intelligent personal cloud computer—a system that combines AI, infrastructure, and consumer UX into a single product. Users can store data, run services, and interact with their system like a personal assistant.

  • Founded: 2023
  • Funding: ~$30M (Series B)
  • Team: Scaling from ~5 → 20+ engineers by year-end
  • Offices: Brooklyn (HQ), expanding to San Francisco

This is a frontier AI + infrastructure company operating at the intersection of:

  • Consumer software
  • Developer tools
  • Distributed systems

Role Summary

We are hiring 15 Product Engineers to own and ship core product experiences for an intelligent cloud computer platform.

This is a high-agency, generalist role combining:

  • Full-stack engineering
  • Product thinking
  • Systems intuition
  • Customer-facing ownership

You will work directly with founders to build and scale a 0→1 product in a fast-moving environment.

What You’ll Do

Product Ownership

  • Own features end-to-end: ideation → design → implementation → launch → iteration
  • Help define product roadmap alongside founders
  • Make product decisions with strong taste in UX, APIs, and system design

Engineering Execution

  • Build and ship across the full stack using:
  • Python (backend, AI integrations)
  • TypeScript (frontend + services)
  • Write scalable, production-quality code
  • Design APIs, services, and user-facing interfaces

AI + Systems Thinking

  • Build AI-native features (agents, workflows, automation)
  • Work with infrastructure powering a personal cloud system
  • Simplify distributed systems into intuitive user experiences

Startup Contribution

  • Contribute beyond engineering:
  • Debugging
  • Customer support
  • Product polish
  • Operate with speed in a fast-moving, ambiguous environment

Candidate Requirements

Experience

  • 4+ years as a software engineer
  • Background at:
  • High-growth startups OR
  • Top-tier product/infra companies (e.g. Figma, GitHub, Vercel, Stripe, Substack)
  • Proven 0→1 product experience

Technical Skills

  • Strong full-stack capability:
  • Python (required)
  • TypeScript (required)
  • Experience building:
  • APIs
  • Backend systems
  • User-facing products

Product & Design Taste

  • Strong intuition for:
  • System design
  • API design
  • UX quality
  • Ability to make independent product decisions

Nice to Have

  • Former founder or early startup employee
  • Experience with:
  • AI products
  • Developer tools
  • Consumer apps

Benefits

equity
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