via LinkedIn
$90K - 150K a year
Design, build, and scale AI-driven fullstack systems including backend APIs and frontend dashboards.
5+ years fullstack experience, leadership on projects, and enthusiasm for AI and LLMs.
What You’ll Build & Achieve As our Senior Fullstack Engineer, you’ll be hands-on across the stack — designing, building, and scaling systems that power our AI-driven platform. Expect autonomy, speed, and a ton of ownership. - Architect and build scalable systems — from backend APIs to frontend dashboards — that process tens of millions of web events per day. - Design large-scale data infrastructure that explains how websites are built, why they perform the way they do, and how to optimize them. - Train and integrate LLMs into production to automatically hypothesize, generate, and validate website variants. - Shape engineering culture & practices — your fingerprints will be all over our tech stack, architecture, and team processes. - Experiment, prototype, and iterate — research + product + AI + scale, all at once. This isn’t about maintaining yet another SaaS app — it’s about building an AI engine that redefines how digital products are created. Who We’re Looking For - A software craftsman — you write clean, scalable code and know how to ship at speed. - 5+ years fullstack experience (Python, JS, AWS preferred, but not a blocker). - Experience leading teams or driving major projects. - Background in CS, EE, Math, or equivalent hands-on mastery. - An AI enthusiast who wants to build with LLMs and shape how they’re applied in the real world. Bonus Points: - Startup experience (you thrive in zero-to-one). - Experience training or deploying ML models in production. What We Offer - Competitive compensation - Meaningful equity — real ownership in Moonshot AI’s success. - Full health coverage (medical, dental, vision) for you + your family. - Unlimited PTO — we trust you to take the time you need. - Tax free commuter and parking benefits - Work directly with the founding team — your impact is immediate, visible, and career-defining. - Free One Medical Membership - 401k
This job posting was last updated on 9/14/2026