Principal Engineer ($50k – $80k + Equity) at fast-growing Legal AI startup

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. Principal Engineer Salary: $50k – $80k + 0.5% – 1.0% Equity Company Description: Fast-growing Legal AI startup Job Description: As a hands-on Principal Engineer, you will lead the development of a production-ready AI platform designed for venture capital legal workflows. You will own the full stack, orchestrating multiple LLM providers and building complex document processing pipelines to automate high-stakes legal tasks. This high-impact role requires technical leadership and a rapid shipping cadence. Location: Remote Everywhere Why this role is remarkable: • Ship production software used by leading investment funds worldwide to process thousands of real legal documents • Join a high-velocity engineering culture with zero bureaucracy, high trust, and direct influence over the core product architecture • Solve complex technical challenges in AI orchestration, structured data extraction, and automated document redlining for a massive market What you will do: • Design and ship full-stack features using TypeScript, Node.js, and React while integrating cutting-edge LLMs like GPT-4 and Claude • Build robust pipelines for parsing and generating legal documents (PDF/DOCX) with a focus on accuracy and enterprise-grade security • Set architectural standards and lead technical decisions to ensure systems remain simple, scalable, and observable during rapid growth The ideal candidate: • Has over 8 years of professional experience with a strong background in TypeScript, Node.js, and modern React environments • Demonstrates a true full-stack mindset with the ability to handle everything from database schema design to complex UI composition • Possesses practical experience with AI integrations and document processing, thriving in early-stage, fast-moving environments 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 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 you're 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 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 Apply tot his job