Full Stack Developer (React, Node.js, Next.js) for Internal Tool Dashboard - Consultation

We're a management platform built on Node.js, PostgreSQL, and React, integrated deeply with QuickBooks Online. Small team, real customers, real revenue. We're looking for one senior full-stack developer. Alongside the core platform, we also maintain a WordPress marketing site and a Shopify storefront for a related e-commerce project, so some cross-domain work is likely. Engagement: We're starting with a paid consultation to review the platform and current codebase before committing to ongoing work. Immediate priorities: - HubSpot integration (contract creation from HubSpot into our platform) - AI-powered reporting agent (LLM-based dashboard queries) - QBO integration maintenance (API changes, webhooks, sync optimization) - Bug fixes across billing, revenue reports, and credit memos - WordPress site updates and maintenance (theme/plugin work, page builds) - Shopify storefront tweaks (product pages, checkout flow, app integrations) Must have: - Strong Node.js/TypeScript - PostgreSQL - React - Experience with REST API integrations (QuickBooks, HubSpot, Stripe, or similar) - Git version control Nice to have: - QuickBooks Online API experience - LLM/AI integration experience - GCP/cloud infrastructure experience - WordPress, PHP, Laravel, or CodeIgniter - Shopify development - MySQL - Frontend variety: Vue.js, Angular, Bootstrap, Tailwind CSS, jQuery - Basic web design skills (Adobe Photoshop, responsive/HTML5/CSS3 layouts)