Crux is hiring an AI Product Engineer

Crux is looking for an AI Product Engineer to reimagine transactions in clean energy finance using AI. You will work hand-in-hand with customers, product, commercial, and legal teams to co-design the processes and systems for shipping high-quality AI products.

What You'll Do

• Collaborate directly with customers and internal stakeholders to design, build, and ship production-grade AI features.
• Lead the build-out of Crux’s AI stack — from model selection to orchestration, evaluation, and iteration.
• Define and refine how we bring AI products from prototype to production, establishing best practices.
• Build across the stack (TypeScript, React, SQL) with performance, scalability, and usability in mind.
• Prototype, experiment, and test ideas rapidly, anchored to real customer needs.
• Contribute to our engineering culture through learning sessions, code reviews, and shared standards.

What We're Looking For

• 4+ years of professional software engineering experience, with a strong full-stack foundation (TypeScript, React, SQL).
• Proven experience building and shipping production-ready AI products.
• Skilled with modern prototyping tools and making UX decisions for MVPs.
• Comfortable working directly with customers in ambiguous, fast-changing environments.
• Founder-level energy and ownership — you make things happen, unblock yourself, and rally others.
• Naturally curious, quick to learn, & willing to try new technologies.
• Authorized to work in the US or Canada.

Nice to Have

• Extensive experience with evals & benchmarking.
• Experience building AI agents.
• Experience building engineering teams from 0 to 1.
• Familiarity with modern AI tooling & frameworks (LangChain, LlamaIndex, etc.).

Technical Stack

• TypeScript
• React
• SQL

Team & Environment

You will work hand-in-hand with customers, product, commercial, and legal teams.

Benefits & Compensation

• Equity options.
• Company-wide bonus tied to revenue goals.
• Full health benefits.
• 20 days PTO.
• 10 company holidays.
• Mid-Career: $140,000-$170,000 USD; Senior: $160,000-$200,000 USD + equity options.

Work Mode

This is a remote position open to candidates in the US and Canada.

We’re an experienced and highly collaborative team that prioritizes diversity, psychological safety, and inclusion. We encourage sharing ideas and perspectives — it’s how we do our best work. We believe all people are capable of great things.