Full-Stack Developer to Launch AI SaaS Platform (Node.js + React, Claude/LLM APIs)

I'm launching a multi-tenant SaaS platform with AI "employees" that automate work for small businesses. The platform includes autonomous agents and a website builder. I need freelancers with experience in SaaS development and AI technology to help with the launch. Job description: I'm launching MINE, a multi-tenant Saas platform with AI "employees" that automate work for small businesses — autonomous agents, a website builder, dashboards, and deep LLM integration. The full codebase is built and documented (Node.js/ Express backend, React frontend, SQLite, ~300 files). I need an experienced developer to take it from code-complete to live production. This is a deployment + integration role, not a build-from-scratch role. The architecture, routes, and features ex' Your job is to wire up real services, test against live infrastructure. fix what surfaces.and ship. What you'll do: • Deploy the Node.js/Express + React app to production (your recommendation on host) • Connect and test live integrations: Anthropic Claude API, Stripe (incl. Connect), SendGrid, Twilio • Set up the database for production and run migrations • Configure ~148 environment variables from a documented checklist • Work through a provided smoke-test list and fix issues that appear with real keys • Set up cron jobs for scheduled tasks (email sends, agent scans) • Build native dependencies (e.g. sharp) on the server Harden security anu get us launch- You must have: • Strong Node.js/Express + React production experience • Hands-on experience integrating LLM APIs (Anthropic Claude specifically is a big plus; OpenAI/others count) • Stripe integration experience, including Connect/marketplace payments • Deployment & DevOps competence (hosting, env management, cron, native builds) • A track record of taking apps to production, not just building features Nice to have: • Multi-tenant Saas experience • SendGrid Twilio To apply, tell me: 1. A SaaS app you took live (link if possible) - your specific role 2. Your experience with Claude or other LLM APIs — what you built 3. Your approach to deploying an existing, documented codebase 4. Availability and your estimate to reach a working production launch