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AI Product Engineer at Crux

Crux is seeking its first AI Product Engineer to revolutionize clean energy finance. Backed by $77M from a16z and Lowercarbon Capital, this profitable startup has already facilitated billions in transactions. You'll have total ownership over the AI stack, building 0->1 LLM products that automate complex financial diligence. If you're a full-stack expert with a passion for climate tech and high-growth startups, join Crux to help finance the future of energy.

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Crux

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Location

Remote (United States)

Compensation

$150k-$250k + Equity

Company

Crux

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Role overview

As the first AI Product Engineer at Crux, you will bridge the gap between engineering, legal, and finance to revolutionize clean energy transactions. You will design and ship user-facing LLM products from scratch, building the frameworks for automated diligence and complex financial workflows that power the future of sustainable infrastructure.

Crux is a private capital markets technology company that serves as a capital platform for the clean economy, modernizing how capital is raised and deployed for clean energy and critical infrastructure projects in the United States. Crux focuses on energy infrastructure and project finance, with core expertise in capital markets, clean energy project finance, transferable tax credits, debt capital, and tax and preferred equity investments, as well as advisory services.[1] Crux provides an integrated platform, market intelligence, and an expert team to help developers and manufacturers raise capital through all stages of project development and operation. Its first flagship offering is a leading platform for tax credit transfers, creating essential financial infrastructure for the market in transferable clean energy tax credits. Through solutions spanning advisory, investments, technology, and intelligence, Crux enables developers, tax credit buyers, banks, syndicators, and financial institutions to transact and manage transferable tax credits efficiently, helping catalyze investment in the energy transition and financing the future of energy.

What you will do

  • Collaborate directly with customers and legal teams to co-design and build AI-powered diligence tools for clean energy financing.
  • Architect and ship end-to-end full-stack features using NextJS, React, and Typescript, while iterating on LLM performance through CI/CD evals.
  • Establish the engineering culture and internal frameworks for how Crux develops, tests, and deploys high-quality AI products at scale.

Who this is a fit for

  • 4+ years of full-stack experience with the ability to build products end-to-end, ideally with fluency in the NextJS, React, and Typescript stack.
  • Proven track record of shipping user-facing LLM products and AI agents, with a deep understanding of prompting and iterating via evals.
  • Startup veteran who thrives in fast-paced environments, possesses an 80/20 mindset, and can move from concept to execution in half the usual time.

Why this role is remarkable

  • Join a high-growth fintech that is already profitable and has facilitated billions of dollars in clean energy transactions over just two years.
  • Be the first dedicated AI hire with massive ownership over the AI stack, picking your own tools and frameworks to build 0->1 products.
  • Work at a mission-driven company backed by elite investors like a16z and QED, operating at the intersection of climate tech and finance.

How Jack & Jill work together

Jack
I get to know what you’re great at, then find roles you’d never find yourself.
Jill
I recruit from Jack’s network and make the intro when I spot a great match.
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Jack gets to know what you're great at and what you want next, then searches 15 million jobs daily and helps you discover roles at companies like this.

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Jack’s an AI agent for job searching and career coaching. He works for you.

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

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

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