Tamjidul islam Shamim
Full-Stack Developer
Daffodil International University
Project
Architected and developed a multi-tenant invoicing SaaS with bKash payment gateway integration, a transaction-safe automated invoice numbering system, and a live line-item builder with real-time tax, discount, and total calculations. Implemented secure JW
Project
Built multi-role portals (Admin, Teacher, Student, Parent) with role-based access control. Developed interactive timetable scheduling, attendance tracking, exams, and gradebook modules. Integrated JWT auth with silent token refresh, TanStack Query caching
Project
Architected and developed a full-stack restaurant platform with dual payment gateway integration (Stripe & SSLCommerz), online table reservations, and dynamic order management. Implemented secure JWT-based authentication with Resend OTP verification, cent