Next.js SaaS Codebase Review & Architecture Audit

Review an existing Next.js application, identify architecture weaknesses, assess code quality, and provide actionable recommendations for improving scalability, performance, security, and maintainability. *Deliverables:* - Review existing Next.js application structure. - Identify the top 3–5 architectural or technical risks. - Review API integration and authentication structure. - Identify performance and scalability bottlenecks. - Provide a concise technical improvement roadmap. *Skills Required:* - Next.js - React - TypeScript - Node.js - Software Architecture - SaaS Development - API Integration - PostgreSQL