AI Engineer (Generalist) (180K – 250K + 0.3 – 1 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

The next step is to speak to Jack.

Job Title: AI Engineer (Generalist)

Salary: $180K $250K 0.3% 1% Equity

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

Job Description:
Join the team building the agentic AI stack for institutional real estate. You will design build and deploy production-grade AI agents using Python and LangGraph to automate complex development workflows. This hands-on role involves owning full-stack features end-to-end and solving unsolved problems at the intersection of AI and the physical world.

Location: San Francisco USA

Why this role is remarkable:

• Work at the frontier of agentic AI with backing from industry titans at OpenAI and Blackstone plus 7-figure revenue traction.

• Experience radical autonomy and high-velocity shipping in a team led by founders who scaled through a Benchmark-led Series A.

• Directly influence the physical world by automating trillion-dollar real estate workflows moving projects from concept to completion 90% faster.

What you will do:

• Design and deploy production-grade AI agents using Python and LangGraph to translate complex real estate workflows into automated software.

• Own the entire product lifecycle from initial prototype to production collaborating directly with institutional customers and domain experts.

• Build and maintain scalable full-stack features ensuring reliability and high performance for long-running agents and visual reasoning systems.

The ideal candidate:

• Has 3-5 years of engineering experience at high-growth AI or engineering-centric startups like Scale AI Ramp or Harvey.

• Possesses proven experience building and shipping agentic or LLM-based systems that solve real-world user problems in production environments.

• Demonstrates strong full-stack capabilities with a focus on Python and modern AI frameworks combined with a relentless startup-driven work ethic.

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:

IC