MD. HAJJAJ BIN SONOSI
Software Engineer
📞 +88 01405-833036✉ hajjajbin149138@gmail.com🔗 linkedin.com/in/md-hajjaj-bin-sonosi💻 github.com/Hajjaj149138
Summary
Detail-oriented Software Engineer with hands-on experience in web development and Java-based backend systems. Skilled in Java, Spring Boot, RESTful APIs, MySQL, and modern web technologies. Actively involved in developing and maintaining production websites, implementing custom features, and working with hosting environments. Passionate about building scalable backend solutions and growing as a full-stack engineer through real-world projects.
Professional Experience
Web Developer, Easy To Europe & TripZik LTDJune 2025 – Present
- Developed and maintained multiple production-level websites using WordPress with custom HTML, CSS, and JavaScript
- Customized Elementor components using custom code to enhance UI, responsiveness, and performance
- Worked with cPanel, hosting environments, domain configuration, databases, and deployment workflows
- Implemented custom features based on business and operational requirements
- Collaborated with internal stakeholders to convert functional requirements into technical solutions
- Actively involved in the initial development of an internal CRM system using Java and Spring Boot, focusing on backend architecture, basic user management, and database integration (early development stage)
Projects
Internal CRM System (Initial Development)
Java, Spring Boot, MySQL
- Designed the initial backend architecture of an internal CRM system for business operations
- Working with Spring Boot, basic RESTful concepts, and database schema design
- Focused on user management, data handling, and backend workflow understanding
Food Delivery System
HTML, CSS, JavaScript, Database
- Developed a web-based food ordering platform with menu browsing and order placement
- Implemented basic admin-side order management features
E-Ticketing System
Java, Java Swing
- Developed a ticket booking system for bus, train, and air travel
- Implemented booking management, seat selection, and fare calculation features
Modern City Scenario
C++, OpenGL (GLUT)
- Built a modern city simulation using OpenGL (GLUT) with multiple animated objects
- Implemented basic movement and animation logic for vehicles and environment elements
Prison Management System
C++
- Developed a console-based system to manage prisoner records
- Implemented structured data handling and basic file operations
Technical Skills
Backend Development
- Java, Spring Boot, RESTful APIs, MySQL, OOP
Frontend & Web
- HTML5, CSS3, JavaScript (ES6+), React, WordPress (Customization-focused)
Programming Languages
- Java, C++, Python, PHP
Tools & Platforms
- Git & GitHub, Postman, IntelliJ IDEA, VS Code, Visual Studio, Elementor, cPanel & Hosting Management
Education
Bachelor of Science (B.Sc.) in Computer Science & Engineering
Major: Software Engineering
American International University-Bangladesh (AIUB)
Oct 2020 – June 2024
- CGPA: 3.86 / 4.00
Awards & Certifications
Dean's List Honors (4 Times)
American International University-Bangladesh (AIUB)
- Awarded for outstanding academic performance across multiple semesters
Magna Cum Laude (Silver Medal)
American International University-Bangladesh (AIUB)
- Graduated with high academic distinction in the Department of Computer Science & Engineering
Cisco IT Essentials Certificate
Cisco Networking Academy
- Completed foundational training in computer hardware, networking, and IT fundamentals