Senior Full Stack Developer | Next.js, Node.js & Claude

We are an established construction business looking for a Senior Full Stack Developer with strong Claude / Anthropic experience to build and scale our internal operations platform. This is a Full Stack development role with Claude integration, not a marketing automation position. You will work directly with our VP of Operations. What You’ll Build Executive Operations System — Slack, email, project management, daily tasks, follow-ups, summaries, and email drafting. Accounting System — Invoice processing, QuickBooks integration, purchase orders, and supplier workflows. Service Management System — Warranty/service intake, project lookup, categorization, tracking, follow-ups, and dashboards. Sales Pipeline System — CRM integration, deal tracking, priority follow-ups, and reporting. Internal Knowledge System — Company-wide search and access to internal information. Full Stack Responsibilities Next.js, React.js, Node.js & TypeScript Claude / Anthropic API integration PostgreSQL / MongoDB REST APIs & third-party integrations Admin and operations dashboards Authentication & role-based permissions Backend architecture and database development Testing, deployment, security, and performance Requirements Strong Claude API / Claude Code experience Senior-level Full Stack Development Expert Next.js + React.js + Node.js Experience with QuickBooks, Slack, CRM, Notion, and email integrations Experience building and shipping production applications Strong communication and problem-solving skills Please send 2–3 relevant Claude + Full Stack projects, your experience, hourly rate, and availability.