Karachi, Pakistan

Junaid Jawaid

Oracle APEX DeveloperBuilding Business Applications That Work.

I build database-driven enterprise applications using Oracle APEX, Oracle Database, SQL and PL/SQL, with experience across ERP, Payroll, POS, Inventory, Workflow and Reporting systems.

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Systems I build

ERPPayrollPOSInventoryWorkflowReporting

Oracle APEX01
Oracle Database02
SQL / PL/SQL03
REST APIs / ORDS04

What I build

Practical software for the parts of a business that cannot go down.

ERP Systems

HR, Employee Self Service, Attendance and Leave modules built on Oracle APEX.

Payroll Applications

Salary processing with automated tax calculations driven by configurable rules.

POS & Inventory

Sales, purchases, stock transfers, shifts and branch-based operations.

Workflow Systems

Role-based processing, priorities, approvals and resolution tracking.

Reporting Solutions

Parameterized JasperReports for ERP, payroll and business reporting.

API Integrations

REST APIs with JSON and ORDS, plus external file-storage integration.

About me

I am an Oracle APEX Developer focused on building database-driven enterprise applications and business solutions.

My practical work includes ERP, HR, Payroll, POS, Inventory, Complaint Management, workflow systems and reporting solutions — the kind of applications people use every working day.

I work with Oracle APEX, Oracle Database, SQL, PL/SQL, JavaScript, REST APIs, ORDS and JasperReports, and I am currently learning Python, Data Analysis, Artificial Intelligence and Data Science.

Selected work

Five enterprise systems, built and maintained in production settings.

ERP & HR Management System

Enterprise application covering HR, Employee Self Service, Attendance, Leave Management and Payroll.

HR
Employee Self Service
Attendance
Leave
Payroll
Reporting

Oracle APEX
Oracle Database
SQL
PL/SQL
JasperReports

Point of Sale & Inventory Management System

Business-focused POS and inventory solution covering sales, purchases, inventory, expenses, ledgers, receivables/payables, shift management, stock transfers and branch-based operations.

Sales
Inventory
Purchases
Expenses
Ledger
Receivables / Payables
P&L

Oracle APEX
SQL
PL/SQL
ERP
Inventory

Complaint Management System

Complaint registration and tracking system with role-based processing, priorities, office-wise handling, resolution tracking, attachments and external document storage integration.

Complaint
Assignment
Office Processing
Resolution
Tracking

Oracle APEX
PL/SQL
Workflow
Google Drive Integration

QR Track & Trace System

QR-based tracking functionality for identifying products and monitoring their current processing stage and status.

QR Scan
Product
Processing Stage
Current Status

Oracle APEX
Database
QR
Workflow

JasperReports Integration

Integrated JasperReports with Oracle APEX applications to generate parameterized ERP, payroll and business reports using Oracle database data.

Oracle Database
JasperReports
ERP Reports
Payroll Reports
Business Reports

Oracle APEX
JasperReports
SQL
Reporting

Experience

Career progression as an Oracle APEX Developer.

Jan 2026 – Present
Oracle APEX Developer
Burki Technologies Pvt. Ltd. · Karachi, Pakistan
Building and maintaining enterprise applications end to end — from database design to business logic, workflows and reporting.
- ERP
- HR
- ESS
- Attendance
- Leave Management
- Payroll
- POS
- Inventory
- SQL / PL/SQL
- REST APIs
- ORDS
- JasperReports
- Complaint Management
- QR Track & Trace
Apr 2025 – Dec 2025
Oracle APEX Developer
Convex Consulting · Karachi, Pakistan
Developed database-driven web applications and the business logic behind them.
- Oracle APEX Applications
- Forms
- Interactive Reports
- Interactive Grids
- Dynamic Actions
- LOVs
- Validations
- SQL
- PL/SQL
- Database Development

Technical stack

The tools I work in every day.

Application Development

Oracle APEX
JavaScript
APEX JavaScript API
Forms
Interactive Reports
Interactive Grids
Dynamic Actions
LOVs
Validations
Computations
Processes
Collections
APEX Debugging

Database

Oracle Database
SQL
PL/SQL
Stored Procedures
Functions
Triggers
Views
Database Design

Web & API

JavaScript
AJAX
JSON
REST APIs
ORDS

Reporting

JasperReports
Parameterized Reports
ERP Reports
Payroll Reports
Business Reports

My next direction

From enterprise applicationsto AI-powered applications.

My professional work is Oracle APEX development. Alongside it, I am currently learning Artificial Intelligence and Data Science to extend what I can build next.