Hello

I am
Zahid Hasan

Senior Software Engineer & Backend Specialist

Transforming business ideas into scalable enterprise solutions. 7+ years of experience building robust web applications, APIs, and microservices using ASP.NET Core, C#, and modern architecture patterns. Proven track record of delivering high-performance systems for government and enterprise clients.

Enterprise Architecture Design

Microservices Development

API Security & Implementation

Requirements Analysis & Planning

Available for Full-time & Contract Opportunities

Download Resume

Core Skills & Technologies

Comprehensive expertise across modern software development stack

🚀 Backend & Frameworks

C# ASP.NET Core Web API Entity Framework Core LINQ SignalR WCF Windows Services Ocelot API Gateway Serilog Minio

🏗️ Architecture & Design

OOP SOLID Principles Design Patterns Clean Architecture Microservices Domain Driven Design

☁️ DevOps & Cloud

Docker Jenkins ArgoCD SonarQube AWS Azure

🗄️ Database

MS SQL Server PostgreSQL MySQL SQLite Always Encrypted SSIS

🔐 Security & Integration

OAuth2 JWT Identity Server RESTful APIs Swagger

🛠️ Development Tools

Visual Studio VS Code Postman Git MySQL Workbench SSMS

Professional Services

Enterprise-grade software development and architecture solutions.
Microservices development, API design, and cloud-native applications.
Leading development teams and implementing scalable backend systems.
System architecture consulting and legacy system modernization.
DevOps integration and CI/CD pipeline implementation.
Code review, mentoring, and technical leadership.

Microservices Architecture

Design and implement scalable microservices using ASP.NET Core, API Gateway patterns, containerization with Docker, and cloud deployment.

Enterprise Applications

Full-stack enterprise software development including ERP systems, admin panels, employee management systems, and business process automation.

Backend API Development

RESTful API design, Web API development, database optimization, security implementation with OAuth2/JWT, and third-party integrations.

DevOps & Cloud Solutions

CI/CD pipeline setup, Docker containerization, AWS/Azure deployment, monitoring with SonarQube, and automated testing implementation.

Professional Experience

7+ years of progressive experience in software development, leading teams and delivering enterprise-scale solutions

BJIT Limited

Jan 2023 – Present

Senior Software Engineer

Leading the backend API development team for Meter Reading Application & Admin Panel using Microservices architecture
Technologies: ASP.NET Core Web API, Ocelot API Gateway, Serilog, Minio
Independently developed Employee Attendance & Sales Tracking Portal (ASP.NET MVC, MS SQL)
Managing both backend and frontend components for enterprise applications

Transcom Electronics Limited

May 2021 – Jan 2023

Software Programmer

Lead developer for ERP API For E-commerce platform
Technologies: ASP.NET Web API, MS SQL Server
Designed and implemented scalable API architecture for e-commerce integration

Ektai Limited

Oct 2020 – Jan 2021

Programmer

Customized OnlyOffice for corporate clients
Developed REST APIs for various corporate solutions
Maintained servers on AWS and Azure cloud platforms
Performed bug fixing and system optimization

Tiger Park Limited

Feb 2018 – Sep 2020

Software Engineer

Enterprise Software Development: Developed a global mobile recharge platform handling 50,000+ daily transactions
API Integration & Security: Integrated 15+ third-party APIs with secure authentication and multi-currency support
Database Optimization: Built WASA Visitor Management System serving 5,000+ daily users with 60% performance improvement
Agile Methodology: Collaborated in cross-functional teams using Scrum methodology for rapid feature delivery
Technologies: ASP.NET MVC, WPF, MS SQL, Django, PostgreSQL, RESTful APIs

Education & Certifications

Strong academic foundation and continuous learning in software engineering

🎓 Education

B.Sc. in Computer Science and Engineering

Bangladesh University of Business and Technology (BUBT)

2018 – 2022

Diploma in Computer Technology

Saic Institute of Management and Technology

2014 – 2018

🏆 Awards & Certifications

🥇 Best Performer of the Year

PC Application Development

BJIT Limited, 2023–2024

📜 Design Patterns in C# and .NET

Udemy Certification

Advanced certification in software design patterns and architectural principles

Professional Portfolio
Featured Projects & Applications

Showcasing enterprise-grade solutions, web applications, and innovative software projects developed using modern technologies and best practices.

All Projects
Web Applications
Enterprise Solutions
E-commerce
APIs & Services

Reporting Portal for Transcom

Employee attendance tracking with GPS visualization

ASP.NET MVC MS SQL GPS Integration

Visit Site

Transcom Digital E-commerce

Enterprise-grade e-commerce platform with advanced inventory management

nopCommerce ASP.NET Core Payment Gateway

Live Demo

Global Top-up

Worldwide mobile recharge and bulk SMS solution

ASP.NET MVC MS SQL 23 APIs

WASA Visitor Management

Windows application with hardware integration

5,000+ Daily Users 60% Faster Processing

WPF MS SQL MVVM

Visit Portal

PM Fellowship Portal

Government fellowship management system with application processing

10,000+ Applications Government Security Standards

Django Python PostgreSQL

ERP Data Synchronizer

Automated data synchronization service for enterprise systems

Windows Service C# REST API

Visit Store

PO Fish Market

Specialized e-commerce platform for seafood marketplace

Django Python Payment Integration

MyTeletalk Integration

Telecom service integration platform with real-time APIs

Django API Integration Real-time

WASA Admin System

Administrative dashboard with REST API backend services

Django REST API Admin Panel

Personal WordPress Portfolio

Custom WordPress theme development with responsive design

WordPress PHP Custom Theme

Open Source Contributions

Contributing to the developer community through open source projects and shared knowledge

Bangladesh Python Package

5 stars 4 forks

A Python library providing hierarchical administrative data for Bangladesh including divisions, districts, upazilas, and postal codes. Published on PyPI.

Python PyPI Data Library MIT License

View on GitHub

Professional Portfolio Website

32+ commits 4+ years active

A modern, responsive portfolio website showcasing professional experience, skills, and projects with cyberpunk-themed design elements.

HTML5 SCSS JavaScript Bootstrap