I'm system engineer with 19 years working at the computer area, I have worked as
database administrator at companies of telecommunications, bank and government. I
have worked many years with Oracle Database 9i, 10g and 11g, Sqlserver 2000 and
Postgresql Database.
Leader of database administration Oracle 11g and Sql Server,
Monitoring of performance, tuning of sql and processes,
Installation of oracle patches, installation and monitoring of
Oracle Data Guard configuration, Implementation of backup
Strategy with recovery manager (RMAN) and export /import
Tools, resolutions of database vulnerabilities,
Implementation of Security politics PCI DSS V3 standard.
Design of change plans for production environments,
Resolutions of issues in production environment, user support,
Oracle and Sqlserver Database Migration, Implementation of
Oracle database duplicate processes (cloning).
Database Administration
PostgreSQL Programming
Amazon Web Services
Oracle PLSQL
Oracle Cloud
Oracle APEX
Oracle RAC
Oracle Data Guard
Oracle Database Administration
Oracle GoldenGate
Md Budrul Hasan B.
Dhaka, Bangladesh
$25/hr
5.0
16 jobs
12 Years of total IT experience and work with 27 Customer End including 20 Gov. and Private Bank in Bangladesh, 6 other corporate clients. Vast exposure to IT Infrastructure Management space. Domain expertise on Oracle Database, Security, Solaris (UNIX), SPARC and x86 System. Successfully managed multiple projects involving Implementation and Production Support (Oracle Exadata, Oracle RAC, Oracle Data Guard, Linux Cluster, Solaris Cluster, Oracle Database Appliance, Oracle Advance Security, Audit Vault, Thales nShiled, Thales Payshield, Oracle SUN SPARC and x86 System etc.). Having extensive subject matter expertise in IT Operation Management, Strategic Technology & Developing Cost Effective Solutions to meet customer / business requirements.
Oracle Database
Oracle Performance Tuning
Oracle Data Guard
MariaDB
MySQL
Microsoft SQL Server Administration
Solaris Administration
Oracle GoldenGate
Oracle RAC
Oracle Exadata
Data Engineering
PostgreSQL
Oracle WebLogic Server
Database Administration
Oracle Database Administration
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 Programming
Oracle Database
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
Zeeshan A.
Muscat, Oman
$20/hr
4.5
41 jobs
16+ years delivering scalable solutions across Oracle (certified), PostgreSQL, MySQL, SQL Server, MS Access, and more. Trusted by long-term clients for reliable, high-quality work.
Expertise:
• PL/SQL, tuning, optimisation, migrations (Oracle + multi-DB)
• Advanced Sql queries, procedures and functions development
• ETL/ELT pipelines, Python automation
• Odoo customization, modules, APIs
• Data analytics and processing
• Data cleaning and converting to other forms like csv, sql , json etc
• Make custom CRUD applications
• Biometric sync (ZKTeco/BioTime → Odoo HR/Payroll)
• Oracle Forms & Reports development/maintenance; PHPRunner rapid web apps; desktop DB (MS Access, LibreOffice Base)
• Legacy Oracle: Install & configure Forms 6i on Windows 11 (unsupported workaround)
Results: Zero-touch payroll for 500+ users; 70%+ faster queries.
Available for short and long-term partnerships. Message me to discuss your project!
Oracle Database
SQL
Database Administration
Microsoft Access
MySQL
Oracle PLSQL
Xlinesoft PHPRunner
Oracle Forms
Database Programming
Stored Procedure Development
SQL Programming
Data Analysis
Data Migration
Data Cleaning
Looker Studio
Muhammad I.
Lahore Cantt, Pakistan
$20/hr
4.7
60 jobs
I am an experienced Java, Oracle & SQL Developer with 14+ years of professional experience and 38+ successfully completed projects, specializing in building reliable, scalable, and high-performance backend and database solutions.
Java & Spring Boot application development | REST API development and integration
Oracle Database, SQL & PL/SQL| Database schema design and optimization
Query and database performance tuning
Database migrations and upgrades
Complex SQL and PL/SQL development
Backend architecture and enterprise applications
API integration and troubleshooting
Database performance optimization
I work closely with clients to understand their goals, communicate clearly throughout the project, and deliver reliable, high-quality results that improve performance, efficiency, and long-term business value.
🚀 What I Can Help You With
🔹 Oracle Database
Oracle 11g, 12c, 19c
Database development, troubleshooting & optimization
Production database support
🔹 SQL & PL/SQL
Complex SQL query development & optimization
Stored Procedures, Functions, Packages & Triggers
PL/SQL development and troubleshooting
🔹 Database Performance Tuning
SQL & Query Optimization
Execution plan analysis
Identifying and resolving database bottlenecks
Improving application & database performance
🔹 Oracle Migration & Upgrades
Oracle database migration & upgrade planning
Pre-upgrade assessment & compatibility checks
Migration execution & validation
Post-migration troubleshooting and performance optimization
🔹 Java & Backend Development
Core Java
Spring Boot & Spring MVC
REST APIs
Enterprise backend development
Java–Oracle database integration
💼 Industry Experience
I have extensive experience working with Banking, Financial Services, and Capital Markets, supporting mission-critical and performance-sensitive applications.
My focus is simple: understand your technical challenge, solve the root cause, and deliver a reliable, scalable, and high-performance solution.
Desktop Application
Oracle Database
Spring Boot
Spring MVC
Back-End Development
RESTful API
Apache Tomcat
SQL
Microservice
Java
Web Development
Android
ASP.NET
Database Design
Oracle PLSQL
Data Migration
Data Analytics & Visualization Software
Database Optimization
Database Maintenance
Database Development
Talha I.
Rawalpindi, Pakistan
$20/hr
5.0
2 jobs
Oracle Fusion Functional Consultant with 8+ Years of Experience | Financial Modules Specialist | SCM Specialist | Business Process Expert
I am a highly skilled Oracle Fusion Financials /SCM Consultant with extensive experience in 5 end-to-end implementation, configuration, and reporting across core financial modules including GL, AP, AR, FA, CM, Expenses, Procurement and Tax. I specialize in streamlining financial processes, developing OTBI dashboards, and integrating financials with procurement, inventory, and supplier management.
With a proven track record in healthcare, Manufacturing, Telecom and banking sectors, I deliver solutions that are accurate, compliant, and aligned with business requirements. I also provide user training, documentation, and post-go-live support to ensure smooth adoption and operational efficiency. Every solution I deliver is tailored, high-quality, and actionable, helping organizations make informed financial decisions.
Oracle
Financial Management
Oracle Cloud
Finance
Oracle Fusion Applications
Oracle Reports
Financial Statement Software
Accounts Payable
Asset Management
General Ledger
Oracle Financials Applications
Oracle Applications
Oracle Fusion Middleware
Oracle E-Business Suite
Oracle Business Intelligence
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At A Glance: Oracle Application Framework
Oracle applications have been the best among many options in cloud computing, and the Oracle Application Framework now allows businesses to customize their experience for optimal results. With this framework, you create a workspace that caters to your unique needs as a business and is customized to fit your employees, your work ethic, and your specific deadlines. Yet you may not have the time to utilize all the features of this framework, or the experience required to harness all the uses available. With the Oracle Application Framework developers and programmers on Upwork, you can have this burden lifted from your shoulders.
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