Senior Full-Stack Engineer (Node/React) Offline

Our client's company is building the agentic AI platform for commerce. 

Their system designs, deploys, and continuously optimizes personalized shopping experiences for every touchpoint a brand has with its customers. From the first ad impression to the checkout page. They give merchants an AI team that spins up storefronts and funnels, runs live experiments against real traffic, and learns from the results so the next experience is sharper than the last. They’re a small, senior team shipping daily to brands that depend on us for real revenue. 

You’ll be a core builder. Owning features end-to-end and shaping the technical foundation of the platform alongside the founders and engineering team. 

What you’ll do 

• Ship features end-to-end across our TypeScript monorepo - backend, merchant, and storefront. from the API layer through to polished UI. 
• Build the merchant tooling that lets brands configure, launch, and optimize their commerce experiences across channels. 
• Extend our Commerce integration and the data + experimentation backbone behind every funnel - events, metrics, and the loops that close the gap between insight and action. 
• Partner with our AI layer - design the surfaces, contracts, and guardrails that let language models drive real product decisions safely. 
• Make core architectural decisions and own the patterns the rest of the team builds on. 
• Work directly with founders on roadmap and trade-offs - what to build, what to cut, and what to bet on next. 

Our stack Next.js, React, TypeScript, Node.js, Postgres, ClickHouse, Temporal, and a modern AI layer on top. 

What we look for 

• 5+ years of full-stack experience in fast-paced environments. 
• Fluent in TypeScript, Next.js, React, and Node.js. 
• Strong product sense - you turn rough ideas into polished, live products. 
• Thrives in ambiguity. Motivated by ownership and shipping. 

Bonus points 

• Experience building AI-powered applications. 
• Familiarity with Shopify or other e-commerce platforms.