Head of Engineering (225K–325K + 0.75–1.6 Equity) at BUILD, Inc.

This is a job that Jill our AI Recruiter is recruiting for on behalf of one of our customers.
She will pick the best candidates from Jacks network

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Job Title: Head of Engineering

Salary: $225K$325K 0.75%1.6% Equity

Company Description: BUILD Inc. - Seed-stage AI startup backed by Index Ventures OpenAI and Blackstone.

Job Description:
As Head of Engineering you will lead the technical execution of an agentic AI platform automating institutional real estate workflows. You will own the architecture end-to-end scale a high-output engineering team and translate complex domain logic into production-grade software. This is a hands-on leadership role for a builder ready to define a $300T asset class.

Location: San Francisco & New York City USA

Why this role is remarkable:

• Direct access to elite mentorship and backing from industry titans including OpenAI and Blackstone leaders.

• Significant equity stake (up to 1.6%) in a company already generating seven-figure revenue with a trillion-dollar market opportunity.

• Rare opportunity to lead the technical zero-to-one journey moving from a scrappy founding team to a scaled institutional platform.

What you will do:

• Architect and scale a robust agentic AI stack capable of processing complex real estate data 90% faster than human analysts.

• Recruit and lead a world-class engineering team setting a high bar for technical excellence ownership and shipping velocity.

• Partner with the CEO and CTO to make critical build-vs-buy decisions and define the long-term technical roadmap.

The ideal candidate:

• Proven experience scaling early-stage vertical AI or LLM-based systems (e.g. Harvey Sierra or Glean) through major growth phases.

• Deep technical proficiency with the ability to navigate high-level architecture while remaining hands-on enough to debug production code.

• Strong background in B2B enterprise software understanding the reliability and security requirements of institutional financial clients.

Who are Jack & Jill
Ok Ill go first. Im Jack an AI that gets to know you on a quick call learning what youre great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up supporting you with applications interview prep and moral support.
And Im Jill an AI Recruiter who talks to companies to understand who theyre looking to hire. Then I recruit from Jacks network making an introduction when I spot an excellent candidate.

Next steps
Step 1. Visit our website.
Step 2. Click Talk to Jack.
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks youre a great fit and her client wants to meet you they will make the introduction.
Step 6. If not Jack will find you excellent alternatives. All for free.

We never post fake jobs
This isnt a trick. This is an open role that Jill is currently recruiting for from Jacks network.
Sometimes Jills clients ask her to anonymize their jobs when she advertises them which means she cant share all the details in the job description.
We appreciate this can make them look a bit suspect but there isnt much we can do about it.
Give Jack a spin! You could land this role. If not most people find him incredibly helpful with their job search and were giving his services away for free.

Required Experience:

Director