Skills

Organized questions, exams, courses, enrolment, and results into versioned Express modules for an MCQ learning platform. Centralized controller wrappers, response formatting, and error handling to give new features a consistent API structure. Added Helmet security headers, request limits, timeouts, and rate limiting at the application boundary. Included Nodemailer error notifications and Docker/PM2 deployment configuration. The reviewed implementation establishes API infrastructure; persisted learning workflows, exam execution, and result storage remain incomplete.

Built Next.js and React school pages for admissions, notices, routines, results, staff, and galleries, with responsive navigation, Swiper galleries, and a Google Maps integration. The frontend uses local sample content and an in-memory admin demonstration. In the school backend, implemented Google Drive file handling and stored admission-document identifiers and links in MongoDB. Separated controllers, persistence services, and Joi input validation. Built Mongoose survey CRUD services, keeping survey definitions, reusable templates, and completed school/location records separate. Co-developed TechnoFire's PHP, MySQLi, and MariaDB catalog and administration codebase with Abid Hasan Piash; individual ownership of its features is not established. These repositories document prototypes and implementation scope, not verified production deployment.

Built inventory browsing and item-management interfaces with React, React Router, and Tailwind CSS. Integrated Firebase Authentication, shared sign-in helpers, and an email/token request flow, using Axios for stock updates, delivery actions, and user-specific item requests. POSDash depends on its own companion server; it is not the client for the separately documented inventory API. In that Express and MongoDB backend, implemented product reads, creates, updates, and deletes, with pharmacy and non-pharmacy resource routes. Organized orders, returns, suppliers, customers, and employees into dedicated endpoints. The reviewed legacy source contains incomplete and miswired routes, so the portfolio describes implemented components without claiming complete end-to-end operation.