Hello, I'm
Zakaria Hossain Foysal
Software Engineer with expertise in Blockchain Technology
I build innovative solutions using modern technologies including Blockchain, Node.js, React, and Java. Specializing in developing secure, scalable applications with a focus on blockchain integration.
About Me
Professional Journey
I'm a passionate Software Engineer with a strong focus on blockchain technology and full-stack development. Currently working at KONA Software Lab Ltd, I've been developing blockchain-based services for e-commerce platforms and leading API and UI automation projects.
With a background in Computer Science and Engineering from Daffodil International University (CGPA: 3.74/4.0), I combine strong theoretical knowledge with practical experience in developing innovative solutions using modern technologies.
My expertise spans across blockchain technologies (Hyperledger Fabric, Ethereum), backend development (Node.js, Spring Boot), frontend frameworks (React.js), and database systems (PostgreSQL, MongoDB).
Education
Bachelor of Science
Computer Science and Engineering
Daffodil International University
CGPA: 3.74/4.0
Jan 2017 - Jan 2021
Higher Secondary
BAF Shaheen College, Jashore
GPA: 5.0/5.0
Aug 2015
Secondary
BAF Shaheen College, Jashore
GPA: 5.0/5.0
Apr 2013
Professional Experience
Software Engineer
KONA Software Lab Ltd.
- Developed a blockchain-based service for an e-commerce platform using Node.js, RabbitMQ, PostgreSQL, React.js, and Hyperledger Fabric
- Led API and UI automation project combining TestNG (Java), RestAssured, and Selenium
- Automated TestRail test case updates and configured Microsoft Teams test report notifications
Software Engineer
BJIT Ltd.
- Conducted research and development in blockchain technology with Hyperledger Fabric and Ethereum
- Developed applications using Spring Boot and React.js
Web Developer
Semicolon IT Solutions
- Developed web applications using React.js and Node.js
- Implemented Ant Design (Antd) components
- Managed databases using MongoDB and PostgreSQL
Projects
Human Resource Management System
A comprehensive web application for managing HR processes including employee profiles, attendance tracking, leave management, payroll, and performance evaluations.
Document Sharing Platform
A blockchain-based document sharing platform that utilizes Hyperledger Fabric for secure, immutable document management and verification.
OnlineJudges's Solution Extractor
A console-based application that extracts/downloads AC solutions from online judges like Codeforces and URI.
Hide Your Message
A messaging application where messages are compressed with Huffman coding algorithm, using Firebase for hosting and real-time database.
Skills & Expertise
Programming Languages
Web Development
Blockchain
Database Systems
DevOps & Tools
Testing
Competitive Programming
I've solved 2000+ Data Structure and Algorithmic problems in several Online Judges using C++ and Python.
Codeforces
800+ problems
URI
250+ problems
UVA
100+ problems
Atcoder
100+ problems
Codechef
50+ problems
LeetCode
100+ problems
Get In Touch
Contact Information
Phone
(+88) 01753732016