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Head of Engineering at BUILD, Inc.

BUILD, Inc. is hiring a Head of Engineering to own the technical truth of a platform automating the $300T physical world. Backed by Index Ventures and senior leaders from Blackstone and OpenAI, BUILD, Inc. is already at 7-figure revenue, scaling an agentic AI stack that processes institutional real estate workflows 90% faster than humans. We’re looking for a hands-on leader who has scaled vertical AI companies like Harvey or Glean and is ready to build an elite engineering team from the ground up. This is a high-intensity, high-reward role in San Francisco or New York offering significant equity and radical autonomy.

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BUILD, Inc.

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Location

San Francisco and New York City, United States

Compensation

$225k-$325k + Equity

Company

BUILD, Inc.

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Role overview

As Head of Engineering, you will own the technical execution of Build’s agentic AI platform. You’ll architect scalable systems, lead a high-output engineering team, and encode complex real estate domain logic into production-grade software. This hands-on leadership role is critical for scaling a product that institutional clients trust with multi-billion dollar decisions.

AI for the Built World1-50 employees

BUILD, Inc. is a high-growth AI startup backed by Index Ventures and leaders from Blackstone and OpenAI. Founded in late 2024, they are building an agentic AI stack for institutional real estate, already generating 7-figure revenue and automating complex development workflows 90% faster for global asset managers.

What you will do

  • Own the engineering function end-to-end, including architecture, infrastructure, security, and execution velocity for a production-grade agentic AI platform.
  • Hire and lead an elite, high-output engineering team, setting a technical bar focused on judgment, depth, and extreme ownership.
  • Partner with product and domain leads to translate institutional real estate workflows into robust, observable AI systems that handle real-world load.

Who this is a fit for

  • Proven experience scaling a vertical AI company (e.g., Harvey, Sierra, or Glean) through major growth phases, with deep expertise in LLM production systems.
  • A hands-on technical leader who still codes and can debug production issues while simultaneously making high-level architectural tradeoffs and hiring decisions.
  • Extensive B2B or enterprise experience shipping software that institutional clients trust with high-stakes financial and regulatory data.

Why this role is remarkable

  • Join a seed-stage powerhouse backed by Index Ventures and C-suite leaders from Blackstone and OpenAI, scaling from 7-figures toward 8-figures in revenue.
  • Work directly with founders who scaled companies like 11x.ai and Gorillas, operating in a high-intensity environment that ships faster than teams ten times its size.
  • Shape a generational company at the intersection of AI and the $300T+ built world asset class, turning digital infrastructure and energy projects into reality.

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Jill is the AI recruiter working for the company. She recruits from Jack’s network.

If your profile’s a match and BUILD, Inc. wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.

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