Zawadul Kawum

A Code Lover

About

10 years of experience leading and directing all activities related to the evaluation, design, testing, and implementation of a portfolio of applications (App, Web and Desktop Based) for internal and external customers in the Global OTA, healthcare and manufacturing industries. Responsible for 24x7 software availability and maintenance of all production software application environments including secure access and performance.

Zawadul Kawum

Senior Backend Engineer

Passionate about creating efficient, scalable backend solutions with a focus on clean code and innovative technologies.

  • Expertise: Backend Development, API Design, Database Optimization
  • Experience: 10 years
  • Specialty: Distributed Systems
  • Passion: Solving Complex Algorithmic Challenges
  • Hobby: Contributing to Open Source Projects
  • Interests: Machine Learning, Cloud Computing, Blockchain Technology
  • Goals: To lead high-impact projects and mentor junior developers
  • Availability: Open to Exciting Opportunities

With 10 years of experience in backend development, I specialize in creating robust, scalable solutions. My expertise spans various technologies including PHP, Java, and Python, with a particular focus on distributed systems and API design. I am passionate about solving complex problems and continuously learning new technologies. In my free time, I contribute to open source projects and explore emerging trends in machine learning and blockchain. I am always eager to take on new challenges and collaborate with innovative teams to create impactful software solutions.

Skills

The following is a list of skills I have developed during my time in the software industry.

Frontend Development

  • Angular
  • AngularJS
  • CSS
  • HTML
  • JavaScript
  • VueJS

Backend Development

  • .NET Core
  • ASP .NET
  • C#.NET
  • CakePHP
  • CodeIgniter
  • JAVA Servlet
  • Java Spring
  • JAVA Swing
  • Laravel
  • NodeJS
  • PHP

Mobile App Development

  • Flutter
  • IONIC

Programming

  • C
  • C#
  • C++
  • JAVA
  • Python

Database

  • IBM DB2
  • MongoDB
  • MS Access
  • MySQL
  • Oracle
  • PostgreSQL
  • SQL Server
  • SQLite

Web Server

  • Apache
  • Tomcat
  • WAMP
  • XAMPP

Designing

  • Adobe Dreamweaver
  • Illustrator
  • Microsoft Visio
  • Photoshop

Operating Systems

  • CentOS 7
  • Ubuntu
  • Windows 98-10
  • Windows Server

Other Skills

  • Android and Flutter
  • Big Data Analysis
  • C# with Oracle
  • FTP and SFTP in PHP and JAVA
  • IReport
  • JAVA with Oracle
  • Math type
  • Mathematica
  • MATLAB
  • PHP with IBM DB2 Database
  • PHP with Oracle
  • SQL Server
  • Unity Game Development

Resume

10 years of experience leading and directing all activities related to the evaluation, design, testing, and implementation of a portfolio of applications (App, Web and Desktop Based) for internal and external customers in the Global OTA, healthcare and manufacturing industries. Responsible for 24x7 software availability and maintenance of all production software application environments including secure access and performance.

Summary

Zawadul Kawum

Passionate about creating efficient, scalable backend solutions with a focus on clean code and innovative technologies.

  • Jatrabari, Dhaka -1236
  • me.zawadul@gmail.com

Education

Bachelor of Science

Asian University of Bangladesh

GPA: 3.90

HSC / Alim

Tamirul Millat Kamil Madrasah

GPA: 4.92

SSC / Dakhil

Tamirul Millat Kamil Madrasah

GPA: 5.00

Professional Experience

Head of Development

2024 - Present

Nexdecade Technology (Pvt) Ltd.

  • Led OTT Solutions development using Spring Boot, Docker, and Kubernetes
  • Oversaw VMS and HRM Solutions with Laravel, MySQL, SOAP, and REST APIs
  • Develop and Manage diverse projects using Python and C# .NET
  • Mentored development team and implemented agile methodologies
  • Established coding standards and architectural guidelines
  • Implemented CI/CD pipelines, enhancing code quality and deployment efficiency
  • Aligned technology strategies with business objectives

Asst. Manager, Payment & New Adventure Development Division

2023 - 2024

Adventure Dhaka Ltd.

  • Developed Payment Solutions using Spring Boot, Docker, Kubernetes, and Apache Kafka
  • Led NDC Airlines Project integration with Laravel, MySQL, SOAP, and REST APIs
  • Created frontend solutions using VueJS
  • Managed international projects and teams
  • Implemented agile methodologies, improving project outcomes
  • Optimized database performance and implemented caching strategies
  • Ensured compliance with financial regulations in payment solutions

Asst. Manager, Application Development

2017 - 2023

Pharma Solutions Bangladesh Ltd.

  • Architected Healthcare and Distribution Solutions using Laravel, CakePHP, and PHP
  • Developed Order Management Solutions with C#, ASP.NET, and Android
  • Implemented microservices using Spring Boot
  • Created cross-platform mobile apps with IONIC
  • Designed RESTful APIs for seamless front-end integration
  • Managed ERP support and development
  • Optimized database queries and implemented caching mechanisms
  • Mentored junior developers on emerging technologies

SR. SOFTWARE ENGINEER

2017 - 2017

ADVANCE BUSINESS SOLUTIONS'N SUPPORT LTD (ABSSL)

  • Developed Business and Education ERP Solutions using CakePHP and MySQL
  • Created solutions with Laravel, NodeJS, and Angular
  • Designed efficient database schemas and complex SQL queries
  • Implemented responsive user interfaces
  • Conducted code reviews and pair programming sessions
  • Implemented automated testing suites
  • Optimized application performance through profiling and refactoring

SOFTWARE ENGINEER

2015 - 2017

INFORMATION ENTERTAINMENT AND COMMUNICATIONS LTD (IECL)

  • Built Government, Healthcare, and Financial Solutions using PHP frameworks
  • Developed hybrid mobile apps with IONIC
  • Implemented RESTful APIs for system integration
  • Utilized Symphony, NodeJS, and VueJS for various projects
  • Optimized MySQL database schemas
  • Collaborated on responsive UI/UX implementation
  • Participated in Agile development processes
  • Resolved complex technical issues in production environments

Portfolio

Explore a selection of my most impactful projects, showcasing my expertise in various technologies and industries.

  • All
  • Microservices
  • Inventory Management Systems
  • API Development
  • Web Applications
  • Mobile Applications
  • Desktop Applications
  • E-commerce
  • CRM (Customer Relationship Management)
  • Fleet Management
  • Human Resources
  • Finance and Accounting
  • Healthcare
  • Government/Public Sector
  • Miscellaneous
Global Payment Base

Global Payment Base

Global Payment Base

PayPal Payment Microservice

PayPal Payment Microservice

PayPal Payment Microservice

Tosspay Payment Microservice

Tosspay Payment Microservice

Tosspay Payment Microservice

Adyen Payment Microservice

Adyen Payment Microservice

Adyen Payment Microservice

Lufthansa Airlines Microservice Integration

Lufthansa Airlines Microservice Integration

Lufthansa Airlines Microservice Integration

Kakaopay Microservice

Kakaopay Microservice

Kakaopay Microservice

2C2P

2C2P

2C2P

Patient and Inventory Management System (PAIMS)

Patient and Inventory Management System (PAIMS)

Patient and Inventory Management System (PAIMS)

Promo Material Management System (PMMS)

Promo Material Management System (PMMS)

Promo Material Management System (PMMS)

Trade Return Management System (TRMS)

Trade Return Management System (TRMS)

Trade Return Management System (TRMS)

Construction and Inventory management system (CIMS)

Construction and Inventory management system (CIMS)

Construction and Inventory management system (CIMS)

Chemist Ordering System API (For Mobile App)

Chemist Ordering System API (For Mobile App)

Chemist Ordering System API (For Mobile App)

eZrx Order Collection System API (For Mobile App)

eZrx Order Collection System API (For Mobile App)

eZrx Order Collection System API (For Mobile App)

Trade Return Management System API (For Mobile App)

Trade Return Management System API (For Mobile App)

Trade Return Management System API (For Mobile App)

Subscriber Management System API (SMS)

Subscriber Management System API (SMS)

Subscriber Management System API (SMS)

DreamN App API

DreamN App API

DreamN App API

Quality Management System (QMS)

Quality Management System (QMS)

Quality Management System (QMS)

Chemist Ordering System Web (COS)

Chemist Ordering System Web (COS)

Chemist Ordering System Web (COS)

eZrx Order Approval System (OCSCLIENT)

eZrx Order Approval System (OCSCLIENT)

eZrx Order Approval System (OCSCLIENT)

eZrx WebSales Report (EWSR)

eZrx WebSales Report (EWSR)

eZrx WebSales Report (EWSR)

Trade Return Client Portal System (TRMS CLIENT)

Trade Return Client Portal System (TRMS CLIENT)

Trade Return Client Portal System (TRMS CLIENT)

eZRX Customer Creation (eZRXCust)

eZRX Customer Creation (eZRXCust)

eZRX Customer Creation (eZRXCust)

Web Based Management System (WBMS)

Web Based Management System (WBMS)

Web Based Management System (WBMS)

Creative Accounts and Inventory Management System (CAIMS)

Creative Accounts and Inventory Management System (CAIMS)

Creative Accounts and Inventory Management System (CAIMS)

Subscriber Management System Web (SMS)

Subscriber Management System Web (SMS)

Subscriber Management System Web (SMS)

eZrx Order Collection System (Mobile App)

eZrx Order Collection System (Mobile App)

eZrx Order Collection System (Mobile App)

mFirstV3 CROSS Platform (IONIC)

mFirstV3 CROSS Platform (IONIC)

mFirstV3 CROSS Platform (IONIC)

Third Eye Police Application (Demo)

Third Eye Police Application (Demo)

Third Eye Police Application (Demo)

DreamN App

DreamN App

DreamN App

eZrx SMART (Desktop Based App)

eZrx SMART (Desktop Based App)

eZrx SMART (Desktop Based App)

Jamaljay Ecommerce Application (API)

Jamaljay Ecommerce Application (API)

Jamaljay Ecommerce Application (API)

Jamaljay Ecommerce App (IONIC)

Jamaljay Ecommerce App (IONIC)

Jamaljay Ecommerce App (IONIC)

Service Request and Complaint Management System (SRNCMS)

Service Request and Complaint Management System (SRNCMS)

Service Request and Complaint Management System (SRNCMS)

Customer Service Request and Complaint Management System

Customer Service Request and Complaint Management System

Customer Service Request and Complaint Management System

Delivery Root Planning System DRP (Fleet Management)

Delivery Root Planning System DRP (Fleet Management)

Delivery Root Planning System DRP (Fleet Management)

HRIS Attendance System API (For Mobile App)

HRIS Attendance System API (For Mobile App)

HRIS Attendance System API (For Mobile App)

HRIS Attendance System Web (For iOS Mobile App)

HRIS Attendance System Web (For iOS Mobile App)

HRIS Attendance System Web (For iOS Mobile App)

HRIS CV Portal System (HRIS CV)

HRIS CV Portal System (HRIS CV)

HRIS CV Portal System (HRIS CV)

GPP (Generic Push Pull Program)

GPP (Generic Push Pull Program)

GPP (Generic Push Pull Program)

FINSMART mobile Application (API)

FINSMART mobile Application (API)

FINSMART mobile Application (API)

FINSMART CROSS Platform (IONIC)

FINSMART CROSS Platform (IONIC)

FINSMART CROSS Platform (IONIC)

SinoSMS

SinoSMS

SinoSMS

Prescription Management System (Demo)

Prescription Management System (Demo)

Prescription Management System (Demo)

BKKB Combine

BKKB Combine

BKKB Combine

BKKB Single Signon System

BKKB Single Signon System

BKKB Single Signon System

Project Management Information System (PMIS).

Project Management Information System (PMIS).

Project Management Information System (PMIS).

Techno Invoice Management System (Tinvoice)

Techno Invoice Management System (Tinvoice)

Techno Invoice Management System (Tinvoice)

Contact Index

Contact Index

Contact Index

Diagnostic Test System

Diagnostic Test System

Diagnostic Test System

Online BUS Ticketing System

Online BUS Ticketing System

Online BUS Ticketing System

Training & Certifications

Explore my professional development journey through various trainings and certifications, highlighting my commitment to continuous learning and skill enhancement.

AWS Solutions Architect Associate Training

AWS Solutions Architect Associate Training

AWS Solutions Training

ISMS Internal Auditor Training

ISMS Internal Auditor Training

ISMS Training

Compitency Mapping Training

Compitency Mapping Training

Compitency Mapping Training

Leadership Skills Training

Leadership Skills Training

Leadership Skills Training

MS Excel Advance Training

MS Excel Advance Training

Excel Training

Good Storage Documentation Practice Training

Good Storage Documentation Practice Training

GSDP Training

Contact

Feel free to reach out to me for any inquiries or opportunities.

Address

Jatrabari, Dhaka -1236

Call Me

on Skype

Email Us

zawad1992@gmail.com