Hi,
I am an oracle database administrator with over all Nine years of experience.
I can do the following task.
Core task:
Installing and upgrading the Oracle server and application tools
Allocating system storage and planning future storage requirements for the database system
Creating primary database storage structures (tablespaces) after application developers have designed an application
Creating primary objects (tables, views, indexes) once application developers have designed an application
Modifying the database structure, as necessary, from information given by application developers
Enrolling users and maintaining system security
Ensuring compliance with your Oracle license agreement
Controlling and monitoring user access to the database
Monitoring and optimizing the performance of the database
Planning for backup and recovery of database information
Maintaining archived data on tape
Backing up and restoring the database
Contacting Oracle Corporation for technical support
Advance:
Oracle Database Administration
Oracle Database Backup and Recovery Operations
Oracle GataGuard Administration — Physical Standby and Snapshot Standby
Oracle Database Patches and Upgrades — Primary and Standby
Day-to-Day Production Support — Databases and Applications
Oracle Databases Performance Tuning
Database Monitoring — OEM Cloud Control 13c
Oracle WebLogic Server Administration & Cluster configuration
WebLogic Server Backups, Patching, Upgrades to new release
Oracle Forms and Reports Administration
Oracle WebLogic Servers Monitoring using — System Administration Tools
Oracle Enterprise Linux Server Administration
Databases and Application Cloning
Application Deployment and Configuring Data Sources
My Oracle Support System — Technical Service Requests
Database Role Transitions: Switchover — Disaster Recovery testing
Capacity Storage Management and incidents Management
Research, testing and adopting New features — Databases and WebLogic
Compare databases and scripts — Deployments
Oracle Cloud Infrastructure
Oracle OBIEE 12c Configuration & Administration
MySQL Database Administration
PostgreSQL Database Administration
Microsoft SQL Server Database Administration
Application server administration i.e WAMP/Zend/IIS
On-call service based on schedule
Documentations — Including Processes and Procedures
Engagement with Customers on Projects
Deliver Training to Customers
Oracle Forms
Oracle Database
Database Design
Database Administration
Oracle WebLogic Server
Oracle RAC
Oracle OBIEE Plus
Oracle Data Guard
Database Architecture
Oracle Reports
Oracle Database Administration
Relational Database
Oracle Cloud
Muhammad A.
Faisalabad, Pakistan
$25/hr
5.0
1 jobs
Oracle APEX Developer | 8+ Years Experience | PL/SQL | ORDS | OCI | REST API | Oracle Database Architect
If you are looking for an Oracle APEX Developer who understands enterprise systems, database architecture, performance tuning, API integration, and scalable cloud deployment you are in the right place.
I bring 8+ years of hands-on experience in Oracle APEX development, advanced PL/SQL programming, Oracle Database architecture, and REST API integration. I build high-performance, secure, and production-grade Oracle APEX applications for businesses that require reliability, scalability, and clean system design.
I do not build basic demo apps. I build enterprise-ready Oracle APEX solutions.
𝗠𝘆 𝗖𝗼𝗿𝗲 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲
• Oracle APEX Development (Interactive Reports, Forms, Dashboards, Charts, Custom Plugins)
• Advanced PL/SQL Programming & Stored Procedures
• Complex SQL Queries & Query Optimization
• Oracle Database Design & Architecture
• Oracle REST Data Services (ORDS) Configuration
• RESTful API Development & Third-Party API Integration
• Oracle Cloud Infrastructure (OCI) Deployment
• Oracle Forms & Reports Migration to APEX
• Progressive Web Apps (PWA) in Oracle APEX
• Authentication & Authorization (SSO, OAuth2, RBAC)
• APEX Performance Tuning & Security Hardening
• Data Migration, ETL & System Integration
• Oracle E-Business Suite (EBS) Integration
• Oracle Fusion / HCM Integration
• WebLogic Server Configuration
• SaaS Application Development using Oracle APEX
𝗪𝗵𝗮𝘁 𝗠𝗮𝗸𝗲𝘀 𝗠𝗲 𝗗𝗶𝗳𝗳𝗲𝗿𝗲𝗻𝘁
Most Oracle APEX Developers focus only on the front-end builder. I focus on the entire ecosystem:
• Clean database schema design
• Optimized PL/SQL logic
• Secure ORDS setup
• Scalable OCI deployment
• API-first architecture
• Maintainable and modular code structure
I build Oracle APEX systems that can handle thousands of users, complex workflows, enterprise reporting, and real-time API communication.
𝗧𝘆𝗽𝗲𝘀 𝗼𝗳 𝗦𝘆𝘀𝘁𝗲𝗺𝘀 𝗜 𝗕𝘂𝗶𝗹𝗱
• ERP Systems
• HRMS & Payroll Management
• CRM Systems
• Inventory & Warehouse Management
• Financial Reporting Systems
• Government Portals
• Workflow Automation Platforms
• Multi-tenant SaaS Applications
• Internal Business Dashboards
𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗦𝘁𝗮𝗰𝗸
Oracle APEX
Oracle Database 11g / 12c / 19c / 21c
PL/SQL
SQL Optimization
ORDS
RESTful API
JSON / SOAP Web Services
JavaScript
jQuery
AJAX
HTML5
CSS3
Bootstrap
Oracle Cloud Infrastructure (OCI)
WebLogic Server
Git Version Control
𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗛𝗶𝗿𝗲 𝗠𝗲
• Strong understanding of Oracle Database internals
• Deep expertise in PL/SQL performance tuning
• Clean and maintainable APEX application architecture
• Clear communication and requirement understanding
• Secure coding standards
• On-time delivery with proper documentation
If you need a Senior Oracle APEX Developer who can design, develop, optimize, integrate, and deploy complete Oracle-based systems. I am ready to help.
Let’s build a powerful Oracle APEX solution that is scalable, secure, and future-ready.
Oracle Database
Oracle Programming
Oracle APEX
Oracle PLSQL
Oracle E-Business Suite
Oracle Enterprise Service Bus
SQL Server Integration Services
Oracle Applications
Oracle NoSQL Database
Python
SQL
ERP Software
Odoo
Oracle Cloud
Oracle Reports
Usman A.
London, United Kingdom
$40/hr
4.9
6 jobs
More than 17 years of professional IT, consultancy and project delivery(Agile and waterfall) experience. Excellent project management, software design and implementation experience across the full development life cycle. Strong communication, presentation, organisational, decision-making, interpersonal skills and proven record of teamwork and leadership. Able to make lasting relationships with the team and customers. Able to meet tight deadlines, work well under pressure, highly motivated and a true professional.
Work responsibilities involved leading project delivery, planning software development tasks, risk management, participating in the analysis and high-level functional design of applications, implementation and maintenance systems, providing mentoring to the team.
Oracle Database
Python
Project Delivery
Linux
Project Management
SQL
Muhammad F.
Lahore, Pakistan
$20/hr
4.9
16 jobs
As an Oracle-certified Principal Technical Consultant with over 10 years of experience, I specialize in architecting end-to-end implementations and complex integrations across both Oracle EBS R12 and Fusion Cloud environments. My expertise bridges the gap between technical architecture and functional requirements across Financials, SCM, Manufacturing, and HCM modules. I have a proven track record of delivering 30+ high-impact integrations—including Shopify, Amazon, ZATCA, and Jira—utilizing OIC, REST/SOAP APIs, and SOA Suite. With a deep technical foundation in Advanced SQL, PL/SQL, Java, and Python, I excel in building high-performance customizations via OAF, BI Publisher, and automated data extraction for Power BI. I am dedicated to delivering scalable, secure, and efficient solutions that streamline complex business processes and ensure seamless data orchestration.
Technical Portfolio: 60+ Projects & Implementations
Data Analytics & Extraction Projects
Oracle Fusion ⇄ Power BI Data Pipeline: Architected a REST-API and BI Publisher framework to stream real-time Financial and HCM data into Power BI, eliminating manual extracts for executive leadership.
Close CRM Integration: Developed a sync utility between Close CRM and MySQL to feed sales data into Power BI analytics dashboards.
Master Data Extraction Utility: Built a universal data loader (OAF + Java) that parses Excel, PDF, and TXT files directly into Oracle AP, AR, and OM interface tables.
Advanced Financial Reporting (FRS/OTBI): Delivered 15+ complex reporting solutions in Fusion Cloud for global audits and financial closing.
E-Commerce & Middleware Integrations
SRL Middleware (E-commerce Engine): A Java + PL/SQL real-time sync engine for Shopify and Oracle EBS; manages inventory and payments for 30k+ transactions daily.
ZATCA e-Invoicing (Phase 1 & 2): Developed OIC point-to-point integrations for XML invoice signing and submission to the Saudi ZATCA portal for EBS and Fusion.
Shopify-Amazon-WhatsApp Hub: Created a unified middleware for multi-channel order fulfillment and automated inventory updates.
Magento (MySQL) ↔ Oracle Sync: RESTful service replicating pricing and stock data between Magento and Oracle Inventory.
ERP ⇄ Zuora Integration: Seamless subscription and billing data integration between Oracle ERP and the Zuora platform.
Supply Chain & Logistics Integrations
Courier & 3PL Adaptors: Built REST/SOAP connectors for DHL, FedEx, and local Pakistani/UAE carriers to automate shipment creation and tracking.
WhatsApp Order Bot: API connector using OIC to trigger order and shipping status alerts from Oracle EBS to customers via WhatsApp.
Jira ⇄ Oracle Bridge: Automated bidirectional integration converting Jira issues into Oracle Service Requests for IT support tracking.
Dynamic FX Rate Service: OIC-based automation fetching daily exchange rates from external providers to update GL and AP modules.
Custom Development & Framework Extensions
OAF Customizations (10+ Projects): Developed custom OAF pages for Manufacturing, Travel Allowance (BTA), and Employee Attendance across EBS R12.
Oracle Forms & Reports (20+ Projects): Built custom modules for Inventory Management, Spinning Management, and Fixed Asset Management using Forms 9i/10g.
Workflow & Approvals: Designed 12+ custom workflows for HRMS, AP invoice approvals, and Fixed Asset Management using Oracle Workflow Builder.
Event-Driven Architecture (Kafka): Integrated Oracle EBS with Apache Kafka for real-time event streaming across distributed network applications.
Functional & Module Expertise
Financials: 10+ implementations/support projects for AP, AR, GL, and Fixed Assets.
Supply Chain: 15+ projects involving Inventory, Order Management, and Procurement.
Manufacturing: 5+ full-cycle implementations of WIP and ODM modules.
HCM & Payroll: Development of Fast Formulas, HCM Extracts, and HRMS User Hooks.
Skills & Technologies
Oracle Technologies: Oracle Fusion Cloud, Oracle EBS R12, OIC, OCI, OAF, BI Publisher, OTBI, FRS, FBDI, HDL.
Development: SQL, PL/SQL, Java, Python, JSP, Shell Scripting, Oracle Forms, Oracle Reports.
Integrations: REST APIs, SOAP, SOA Suite, BPEL, Apache Kafka, FTP/SFTP Automation.
Platforms: Power BI, Shopify, Amazon API, ZATCA, Jira, MySQL, Zuora, Magento.
Oracle Forms
Oracle Database
Java
SQL
Oracle PLSQL
API Integration
ERP Software
Oracle E-Business Suite
Database
Md. Isbat R.
Chittagong, Bangladesh
$30/hr
5.0
22 jobs
🏆 𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 - Delivering nearly a 𝗱𝗲𝗰𝗮𝗱𝗲 𝗼𝗳 𝗢𝗿𝗮𝗰𝗹𝗲 𝗲𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 and 𝗼𝘃𝗲𝗿 𝟭𝟱+ 𝗽𝗿𝗼𝗳𝗲𝘀𝘀𝗶𝗼𝗻𝗮𝗹 𝗰𝗲𝗿𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀 across the 𝗢𝗿𝗮𝗰𝗹𝗲 𝘁𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝘆 𝘀𝘁𝗮𝗰𝗸 - covering development, integration, implementation, consulting, and AI-driven enterprise automation for mission-critical systems.
Whether you're modernizing Oracle ERP, building enterprise web applications, integrating third-party systems, or creating AI assistants that interact securely with your data, I deliver scalable, secure, and production-ready solutions.
📊 𝗘𝗻𝘁𝗲𝗿𝗽𝗿𝗶𝘀𝗲 𝗗𝗲𝗹𝗶𝘃𝗲𝗿𝘆 𝗧𝗿𝗮𝗰𝗸 𝗥𝗲𝗰𝗼𝗿𝗱
• Performed process discovery, feasibility analysis, and solution design for automation candidates across multiple business functions.
• Architected AI agent development and automation workflows using n8n and custom bots.
• Integrated global CRM platforms (including NetSuite, Salesforce, and Creatio).
• Designed and delivered end-to-end EBS to POS integrations for NIKE, ADIDAS, LEVI'S, and PUMA retail operations in Bangladesh (Oracle EBS R12.2.x).
• Built and deployed RPA solutions in UiPath Studio + Orchestrator, improving process automation by 40%
• Core team member on an Oracle Fusion Cloud Supply Planning implementation.
• Developed multiple customized systems across government and enterprise clients.
• Delivered inbound/outbound integrations across EBS and Fusion Cloud using OIC, VBCS, FBDI, and BI Publisher.
• Completed multiple end-to-end data migration projects.
• Top Rated with a 100% Job Success Score on Upwork.
🏢 𝗖𝗼𝗿𝗲 𝗔𝗿𝗲𝗮𝘀 𝗼𝗳 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲
• 𝗢𝗿𝗮𝗰𝗹𝗲 𝗙𝘂𝘀𝗶𝗼𝗻 𝗖𝗹𝗼𝘂𝗱 𝗣𝗮𝗮𝗦 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀: OIC, Fusion Cloud APIs, VBCS, PCS, FBDI, HDL, BI Publisher, OTBI
• 𝗥𝗣𝗔 & 𝗔𝗜 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻: UiPath Studio, UiPath Orchestrator, Process Discovery, n8n AI automation
• 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: Oracle APEX, Oracle ADF, OAF, Oracle Forms/Reports 6i–12c, PHP, Laravel
• 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 & 𝗪𝗲𝗯 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀: REST/SOAP APIs, Web Services, Microservices, ORDS, Oracle SOA Suite
• 𝗜𝗻𝘁𝗲𝗿𝗳𝗮𝗰𝗲𝘀 & 𝗖𝗼𝗻𝘃𝗲𝗿𝘀𝗶𝗼𝗻𝘀: Standard APIs, Open Interface tables, data conversions, WebADI
• 𝗢𝗿𝗮𝗰𝗹𝗲 𝗘-𝗕𝘂𝘀𝗶𝗻𝗲𝘀𝘀 𝗦𝘂𝗶𝘁𝗲 (𝗘𝗕𝗦 𝗥𝟭𝟮.𝟮.𝘅): Purchasing, iProcurement, iSupplier, Sourcing, Inventory, Landed Cost Management (LCM), Order Management, Advanced Pricing, AP, AR; P2P and O2C cycles; RICEW development (Reports, Interfaces, Conversions, Extensions, Workflows)
• 𝗢𝗿𝗮𝗰𝗹𝗲 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 𝗖𝗹𝗼𝘂𝗱 (𝗢𝗜𝗖): real-time and event-driven integrations, ORDS, inbound/outbound interfaces, middleware
• 𝗣𝗟/𝗦𝗤𝗟 & 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲: SQL, PL/SQL, Oracle Database 10g–19c, BI/XML Publisher, Oracle Workflow, WebLogic Server administration
📋 𝗠𝘆 𝗘𝗻𝗴𝗮𝗴𝗲𝗺𝗲𝗻𝘁 𝗣𝗿𝗼𝗰𝗲𝘀𝘀
Every architecture is unique. My approach centers on deep technical assessment, clear risk identification, and structured remediation:
▪️Discovery & Architecture Audit: Map out dependencies, evaluate configuration drifts, and identify security or compliance gaps.
▪️Strategic Blueprinting: Deliver a pragmatic roadmap aligning technical execution with regulatory and operational requirements.
▪️Execution with Zero Disruption: Implement, migrate, or harden the stack using proven change-management strategies to maintain business continuity.
▪️Documentation & Knowledge Transfer: Provide clear, audit-ready SOPs and technical documentation so your internal teams can maintain operations cleanly.
✉️ 𝗟𝗲𝘁'𝘀 𝗧𝗮𝗹𝗸
If you are looking to modernize Oracle systems, integrate fragmented platforms, or build a scalable enterprise application ecosystem, I can help you design and deliver it end-to-end.
Click the “𝗜𝗻𝘃𝗶𝘁𝗲” or “𝗠𝗲𝘀𝘀𝗮𝗴𝗲” button. Please include a brief summary about the current systems you need assistance with. If you have new ideas or projects, it helps to have a short summary of what the system or process needs to do.
Oracle Database
Oracle Programming
Oracle Cloud
Oracle APEX
Oracle E-Business Suite
Oracle PLSQL
Oracle Integration Cloud Service
API Integration
Oracle Fusion Applications
Oracle NetSuite
NetSuite Development
Enterprise Resource Planning
Solution Architecture
Software Architecture & Design
Data Migration
ETL Pipeline
Artificial Intelligence
Data Extraction
n8n
Enterprise Software
Abdul Hafeez C.
Riyadh, Saudi Arabia
$64/hr
4.9
7 jobs
Interested to work on databases of "ERP Solutions" especially Oracle EBS and Fusion as Finance and HCM Consultant and specially adding “Oracle Apex”.
More than 29 years of IT Relevant experience.
26 Years Oracle Developer experience for Customize applications.
21 Years Oracle EBS Finance and HCM Functional Consultant Experience.
11 Years of Fusion Finance and HCM Functional Consultant Experience.
Oracle Forms
Oracle Database
Oracle Cloud
Oracle Financials Applications
Oracle OBIEE Plus
Oracle PLSQL
Oracle Reports
Oracle E-Business Suite
Oracle Data Integrator
Oracle Applications
Oracle APEX
Oracle Fusion Applications
How it works
Post a job for freePost a job
Tell us what you need. Create your own job post or generate one with AI then filter talent matches.
Hire top talent fast
Consult, interview, and hire quickly, so you can meet the freelancers you're excited about.
Collaborate easily
Use Upwork to chat or video call, share files, and track project progress right from the app.
Payment simplified
Manage payments in one place with flexible billing options. Only pay for approved work, hourly or by milestone.
Don't just take our word for it
“Upwork provides an umbrella-level of security. I can see a talent’s work history and ratings. I can hold payments in escrow. I can communicate through Upwork Messages instead of working through my email address.”
KD
Kim Darling
Emerald Tiger
“Upwork is the best platform to hire skilled professionals when we're not looking for a full-time employee. All the companies in our portfolio use Upwork to find talent across a wide range of fields.”
DM
David Merry
Kinetic Investments
“Our very specific requirements can be a challenge—With Upwork, we’re able to access a bigger community to ensure the success of our projects.”
KK
Katja Krohn
Summa Linguae
At A Glance: Oracle Forms
Oracle Forms and quality Java programming are vital to any project that depends on user or database interactivity. Oracle experts excel at providing clean and efficient code that a client can implement to interact with an Oracle Database. Talent is often available for real-time collaboration, and skill using Oracle Forms often lends itself to other aspects of the Oracle Fusion Middleware software. Highly-skilled experts are capable of building, organizing, and executing a wide variety of applications that interact with Oracle Database and other Oracle products from the ground up.
Java programming is one of the most versatile and popular programming languages used in the digital workplace today. Programmers with polished skills in the Java programming language allow clients to create accessible features in nearly everything from small mobile games and applications to complicated, standalone executable programs. The near ubiquitous use of Java is what makes a freelance Java programmer so valuable. Find flexible talent that can be used to port projects across a variety of systems and applications today on Upwork.