Saidul Arefin
Full Stack Developer
Building scalable SaaS platforms, enterprise applications, and modern web experiences with React, Next.js, Node.js, TypeScript, and PostgreSQL.
Core Expertise
2+
Years Experience
11+
Projects Delivered
150+
Schools Managed
Enterprise
Enterprise Applications
I build solutions that drive business forward
I'm a Full Stack Developer passionate about building scalable web applications that solve real business problems. Over the past two years, I've worked on SaaS platforms, enterprise systems, ERP solutions, and various web applications for clients across different industries.
I enjoy transforming complex requirements into intuitive, high-performance products with clean code and modern architecture.
My Professional Journey
Full Stack Developer
Manaz IT
Dhaka, Bangladesh
- •Developed and optimized full-stack features using React.js, Next.js, and Node.js/Express.js for high-performance enterprise POS systems and e-commerce applications.
- •Designed secure RESTful APIs and schemas using PostgreSQL, MongoDB, and Prisma to handle complex backend business logic.
- •Optimized database query execution, application performance, and loading times using caching, code-splitting, and server-side rendering (SSR).
Jr. Full Stack Developer
DOT Programmers
Dhaka, Bangladesh
- •Promoted from Intern to full-time Developer within 3 months, taking ownership of modular architectures.
- •Developed core full-stack features for client projects, spanning e-commerce, storage services, HOA portals, and ERP modules using the MERN stack and Redux Toolkit.
- •Built robust, reusable component libraries to translate complex client requirements into functional pages, reducing subsequent development sprint cycles by 15%.
School Management Platform
Developed a multi-tenant SaaS school administration platform to manage student records, scheduling, grading, and invoicing, featuring a super admin panel to manage school tenants.
E-commerce Platform (Frontend Only)
Developed a high-performance Next.js customer storefront featuring dynamic product filtering, shopping cart management, and checkout flows, integrated with a PHP/Laravel API backend.
POS & Storefront
Created an integrated POS system and client storefront to track sales, manage inventory, and dynamically issue invoice receipts.
Talent Bridge – HR & Payroll Platform
Developed a comprehensive full-stack HR and payroll management web platform built entirely in Next.js, featuring applicant tracking, client booking, employee outsourcing modules, and automated payroll compliance workflows.
Detailed Platform Showcase
Platform Overview
This school administration system is engineered from the ground up as a multi-tenant SaaS application. It isolates databases, settings, and workflows for each client organization. Developed to handle robust daily operations for large schools (1000+ students), it unifies administrative dashboards, student tracking metrics, class schedules, exam grading logic, and secure billing interfaces in one fast web engine.
Full Stack Developer
Jan 2024 - May 2024
4 Developers
SaaS Platform
Business Problems Solved
- •Data separation for individual school branches.
- •Clunky manual grading spreadsheets prone to calculation mistakes.
- •Delayed paper notifications to parents regarding performance and bills.
Key Features Implemented
Other Noteworthy Projects
zkXub Attendance Agent
Biometric Sync Client
Technical Expertise
Languages
Frontend
Backend & Database
Deployment & Tools
How I bring platforms to life
Discovery
Understanding business goals and user requirements.
Planning
Monorepo design, database schema, and architecture blueprints.
Design
Visual mockups, design tokens, and components design.
Development
Clean coding, server components, and performance optimizations.
Testing
Unit tests, responsive testing, and accessibility verification.
Deployment
CI/CD setup, edge routing, VPS hardening, and Cloudflare setup.
Certifications & Achievements
My Education
Bachelor of Science in Computer Science (B.Sc. in CS)
University of the People (UoPeople), USA
Higher Secondary Certificate (HSC)
Hathazari Govt. College, Chittagong
Secondary School Certificate (SSC)
Kazem Ali School & College, Chittagong
Let's Build Something Great Together
I'm currently available for freelance projects and full-time opportunities. Drop me a line or connect with me via social channels.
Mohanagar Project, Rampura, Dhaka, Bangladesh