Hello, I'm

ABU RAYHAN

An Oracle Developer From Dhaka

Proficient in Oracle APEX, SQL & PL/SQL, Oracle Forms and Reports, Oracle Database administration, BI Publisher, and front-end technologies including HTML5, CSS3, and JavaScript.

About Me

  • Data-Driven

    Turning data into decisions, and ideas into reality.

  • Knowledge-Builder

    Bridging physics, databases, and data science.

  • Innovator

    Learning, building, and growing—one project at a time.

1

Years of
Success

5

Total
Projects
I'm a Developer

I learn, I build, I create solutions.

I’m passionate about turning raw data into insights that drive smart, evidence-based decisions. With a strong foundation in both technical and analytical domains, I’m working toward a career as a data analyst or data scientist, integrating my background in physics with the power of databases.

Hire Me
Projects

My Amazing Works

Here are some of the projects I’ve built, showcasing my skills in database design, app development, and problem-solving. Each project reflects my learning journey and passion for creating practical solutions.

Sales & Distribution Management System


Designed and developed a full-featured web-based System to automate and manage end-to-end sales operations. The system supports order processing, inventory control, customer management, payments, and financial tracking through an intuitive web-based interface.

Tools & Technologies :

  • Oracle APEX (v24.2)
  • Reports: BI Publisher
  • HTML / CSS for Custom Reports

Special Features :

  • Due Collection & Customer Management
  • Real-time Stock & Inventory Tracking
  • Expense Management System
  • Advance Payment Handling
  • Order-wise and Customer-wise Financial Summary

Click here to check project

School Management System


Designed and implemented a School Management System to streamline academic and administrative operations, including student management, attendance tracking, exam processing, and fee management. The system improved data accuracy, reduced manual workload, and ensured efficient communication and smooth institutional workflows.

Tools & Technologies :

  • Oracle APEX (v24.2)
  • Reports: BI Publisher
  • HTML / CSS for Custom Reports

Special Features :

  • Attendance Tracking System
  • Exam & Result Processing with GPA Calculation
  • Fee Collection & Due Management
  • Role-Based User Authentication (Admin, Teacher, Student, Guardian)
  • Subject, Class & Section Management
  • Real-time Academic & Administrative Monitoring

For Demo Click Here

Sales & Distribution Management System (Forms based)


Developed a desktop-based Sales & Distribution Management System to handle end-to-end sales operations, including order processing, inventory control, and customer management. The system improved data accuracy, reduced manual work, and ensured smooth operational workflows in an enterprise environment.

Tools & Technologies :

  • Database : Oracle database 19c
  • Frontend: Oracle Forms 11g
  • Reports: Oracle Reports 10g

Special Features :

  • Structured sales and inventory control system supporting order entry, stock adjustments, and customer records
  • Purchase & Expense Management System
  • Centralized data handling to maintain consistency and reduce operational errors
  • Reliable reporting to support operational control and business analysis.

Video overview of the project

Mess Management System


Designed and developed a mobile-centric Mess/Meal Management System to simplify daily meal tracking, guest meal handling, and cost calculation in a shared mess environment. Optimized for smartphones, the system enables quick meal entry, real-time aggregation, and user-wise reporting through a fast, app-like interface built with Oracle APEX.

Tools & Technologies :

  • Oracle APEX (v24.2)
  • HTML / CSS for Custom Reports

Key Features :

  • 📱 Mobile-First Responsive Design
  • Daily Meal Entry (Optimized for Quick Mobile Input)
  • Real-time Meal Calculation
  • Automated Cost Distribution
  • User-wise & Date-wise Reports
  • Clean, Fast & App-like UI

Click Here to Check

Sales Web Application


Developed a standalone Sales Web Application focused on customer-centric features and online sales interaction. The system provides an easy-to-use interface for product browsing, cart management, and customer accounts.


Tools & Technologies :

  • Oracle APEX (24.2x)
  • Reports:BI Publisher

Special Features :

  • Shopping Cart System
  • Product Listing & Detailed Product View
  • Customer Registration & Account Management
  • Dynamic Sales Reports

View Project
Developing is Fun

I Develop Skills Regularly to Keep Me Updated

The most common methods for developing applications that work well on both desktop and mobile are responsive and adaptive design.

APEX95%
SQL98%
DBA80%
HTML, CSS & JavaScript85%










PL/SQL90%
Oracle Forms 95%
Oracle Reports95%
Services

What I Do for Clients

I build apps, manage data, and deliver solutions that help clients succeed.

  • Database Design & Management

    Starts from $499

    Creating efficient, secure, and well-structured databases for businesses.

    Designing secure and scalable databases with proper relationships and constraints ensures data integrity.

    Query optimization improves performance and reliability, while regular backups and recovery plans keep information safe.

    Efficient management helps organizations handle their data confidently.We serve all of these.

  • Custom Application Development

    Starts from $399

    Building apps (Desktop/Web/Mobile) tailored to client needs.

    Custom applications are built to match specific business needs, whether desktop, web, or mobile. Focus is placed on responsive interfaces and user-friendly design for a better experience.

    Seamless integration with databases allows smooth data flow.

    These solutions simplify workflows and save valuable time.We serve that.

  • Data Analysis & Reporting

    Starts from $199

    Turning raw data into insights with reports, dashboards, and visualizations.

    Data is collected, cleaned, and analyzed to uncover useful insights. Reports, dashboards, and visualizations present information clearly for decision-making. Businesses gain a deeper understanding of trends and opportunities.

    Raw numbers are transformed into meaningful strategies that drive growth.

  • UI/UX Design & Prototyping

    Starts from $299

    Clean, simple, and intuitive design for every screen.

    User-friendly design is at the core of every successful application. Wireframes and prototypes are created to visualize ideas before development. Responsive layouts ensure apps work seamlessly on both desktop and mobile. Clean and intuitive interfaces improve user satisfaction and engagement.

Social

Connect with me on Whatsapp

Ask me anything..

Contact Me

I Want To Hear From You

Please fill out the form on this section to contact with me. Or call between 9:00 AM. and 8:00 PM BD Time, Saturday through Thursday

  • Address

    SSAC Road,College Gate,Tongi,Gazipur

  • Email

    aburaihan.phy@gmail.com

  • Phone

    01878228713

Developed with love by Raihan © 2025

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