adnaan dev

Frontend Developer

Revest Solutions

Jun 2024 - Present

Develop end-to-end features for an enterprise retail SaaS platform using React.js, Next.js, TypeScript, NestJS, and PostgreSQL across 35+ pages and 40+ feature modules. Design and implement RESTful APIs, business logic, and PostgreSQL database schemas within a multi-tenant microservices architecture. Build complex, data-intensive interfaces using AG Grid and MUI X Data Grid Pro for sales, inventory, purchase orders, reporting, and administration modules. Collaborate with backend, mobile, QA, and product teams in Agile environments and maintain deployment reliability through GitHub Actions CI/CD pipelines. Led the Design System v2 revamp using Untitled UI, React Aria headless components, and Tailwind CSS with design tokens, migrating interfaces from MUI v5 to accessible, consistent, and reusable components that standardized the UI across modules. Developed the Workflow Automation system end-to-end including Workflow Templates with conditional logic builder, Workflow Approval Tasks with task assignment and approval chains, and Workflow Approval Committee streamlining business process approvals across the platform. Designed the Legal Entity management module for multi-entity organizational setup and the Marketplace pricing module for marketplace-specific price list configurations. Built the Sales Overview Dashboard using AG Charts Enterprise, Recharts, and Cube.js, featuring configurable date range filters, multi-store and multi-legal-entity selectors, and region-based filtering to visualize key metrics including total sales, transaction count, and average order value.