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

Overview 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 Jack's network. The next step is to speak to Jack. 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, I\'ll go first. I\'m Jack, an AI that gets to know you on a quick call, learning what you\'re 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 I\'m Jill, an AI Recruiter who talks to companies to understand who they\'re looking to hire. Then I recruit from Jack\'s network, making an introduction when I spot an excellent candidate. Next steps Visit our website. Click \'Talk to Jack\'. Talk to Jack so he can understand your experience and ambitions. Jack will make sure Jill (the AI agent working for the company) considers you for this role. If Jill thinks you\'re a great fit and her client wants to meet you, they will make the introduction. If not, Jack will find you excellent alternatives. All for free. We never post fake jobs This isn\'t a trick. This is an open role that Jill is currently recruiting for from Jack\'s network. Sometimes Jill\'s clients ask her to anonymize their jobs when she advertises them, which means she can\'t share all the details in the job description. We appreciate this can make them look a bit suspect, but there isn\'t 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 we\'re giving his services away for free. #J-18808-Ljbffr Jack & Jill/External ATS