Pankaj Pareek

Built an Order Management System (OMS) using Next.js with GraphQL (Hasura) for real-time order lifecycle management. Implemented RBAC for multi-role access (admin, vendor, user), developed batch order processing for efficient bulk operations, and optimized GraphQL queries and subscriptions for performance. Ensured data integrity using validation and transactional consistency. Also developed a SaaS-ready HRMS covering employee lifecycle management, onboarding workflows, attendance/leave/work-hour tracking, and automated document workflows (offer letters, e-sign, internal requests). Integrated subscription-based billing and payment workflows and designed optimized PostgreSQL schemas with MongoDB for flexible handling.

Built a Career & Internship Portal enabling job/internship postings, applications, and application tracking. Developed admin dashboards and onboarding workflows, and designed scalable PostgreSQL schemas. Created a React Native mobile application with real-time notifications and scheduling (cron jobs). Implemented backend services with Node.js + MongoDB, integrated Firebase for file uploads and in-app payments, and focused on modular architecture and performance. Also built an Interview Agent Tool with multi-round interview workflows, candidate tracking, and automated notifications/follow-ups to improve recruiter efficiency.

Migrated an Angular 9 application to Angular 17, improving performance and maintainability. Optimized database queries to reduce load times and built REST APIs with advanced filtering for efficient data retrieval. Developed a scalable backend using Node.js, Socket.IO, and Sequelize. Implemented RBAC and multi-level approval workflows for an enterprise application. Collaborated across front-end and back-end to deliver secure, responsive features and improved user workflows.