Hire the Best Oracle Enterprise Service Bus Specialists

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Azfar A.

Islamabad, Pakistan

$45/hr
5.0
2 jobs

I help businesses recover failing or stalled software projects, including cloud platforms and enterprise systems. If delivery timelines are slipping, architecture is unstable, or engineering teams are struggling to execute, I step in to stabilize delivery, identify critical risks, and drive projects back toward predictable outcomes. With 23+ years of experience in enterprise software development and technical leadership, I specialize in high-complexity environments where scale, delivery pressure, and technical risk converge. My experience includes enterprise transformation initiatives in telecommunications, oil & gas, cloud platforms, gaming platforms, and large-scale data migration programs. Throughout my career, I have contributed to the recovery, stabilization, and successful delivery of business-critical systems involving large user populations, complex legacy-to-modern transformations, cloud migrations, and data-intensive operations. Across these engagements, I have repeatedly worked in environments characterized by: • Tight delivery timelines • Complex legacy-to-modern system transformations • Large-scale data migration and validation • High-stakes production stability requirements • Cross-functional execution challenges Areas of specialization: • Project recovery & delivery stabilization • Cloud & enterprise architecture review • Technical risk identification and mitigation • Data migration strategy & execution oversight • Engineering process improvement • Team alignment and delivery control I also bring experience in startup advisory, engineering process development, and technical team capability building, helping organizations improve long-term delivery maturity beyond immediate recovery needs. My approach is hands-on when required, but always focused on restoring stability, predictability, and successful delivery outcomes.

  • Oracle
  • Agile Project Management
  • Technical Project Management
  • Engineering Management
  • Risk Management
  • Project Planning
  • Project Delivery
  • Cross Functional Team Leadership
  • Jira
  • Scrum
  • Solution Architecture
  • Software Architecture & Design
  • Cloud Architecture
  • Database Design
  • REST API
  • Software Integration
  • Data Migration
  • C++
  • Node.js
  • PostgreSQL
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 Database
  • Java
  • SQL
  • Oracle PLSQL
  • API Integration
  • Oracle Forms
  • ERP Software
  • Oracle E-Business Suite
  • Database
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 Database
  • Oracle Forms
  • 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
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
Elisa S.

Pitogo, Philippines

$40/hr
5.0
3 jobs

Over 18 years of experience in the field of information technology as a Functional Consultant of Oracle E-Business Suite and Cloud Applications, with strong background in implementing integrated modules (Financials: GL, AP, AR, FA, Tax, Distributions: PO, INV, OM, Manufacturing: OPM, Discrete, Property Manager and ASCP. Well experienced in implementing project full cycles using Application Implementation Method (AIM). Good knowledge of SQL, Agile. More than 4 years of Odoo implementation with interfaces to Oracle. Odoo modules consist of Purchasing, Inventory, Sales Order, Invoicing/Accounting, eCommerce/Website, Barcode, POS. Prior to functional consulting stints in IT, has 12 years extensive experience in bookkeeping/financials (Oracle, Odoo, Quickbooks), both in General and Cost Accounting. Excellent background in financial reporting with full knowledge of business end to end processes. Skilled in creating concept of activity-based costing systems for Manufacturing.

  • Accounting
  • Oracle E-Business Suite
  • SQL
  • Odoo
  • Financial Analysis
  • Bookkeeping
  • Oracle Fusion Applications
  • Oracle Cloud
Yawar K.

Karachi, Pakistan

$45/hr
5.0
34 jobs

Skilled Technologist with over 14 years of experience offering outstanding support to users of various levels. Exceptional skills and knowledge in Oracle Hospitality and subject matter expert on Hospitality software and hardware. Established reputation as sharp technology expert when working with customers to identify and deploy solutions. Recommend process improvements to ensure system reliability, scalability, security, integrity and performance.

  • Point of Sale & Payment Systems
  • Implementation
  • POS Terminal
  • Network Administration
  • Oracle Hospitality Inventory Management

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Don't just take our word for it

What does an Oracle Enterprise service Bus specialist do?

An Oracle Enterprise service Bus specialist builds and manages integration logic that routes messages between disparate software systems. This professional configures the Oracle Service Bus platform to transform data formats and direct traffic without requiring custom code for every connection. They establish reliable communication channels that allow legacy applications and modern services to exchange information securely. The role focuses on maintaining the stability of these middleware connections through precise configuration and ongoing monitoring.

  • Designs proxy and business services within Oracle JDeveloper to define how messages enter and exit the service bus. This work involves mapping data structures so that incoming requests match the format required by backend systems. The specialist creates routing rules that determine which service handles specific message types based on content or headers.
  • Deploys service artifacts to the runtime environment using the OSB Console or Fusion Middleware Control. This process moves tested configurations from development stages into live production servers where they handle actual business traffic. The specialist verifies that each deployment activates correctly and that all dependencies resolve without errors.
  • Configures supporting infrastructure resources in the Oracle WebLogic Server Administration Console. This task includes setting up Java Message Service modules and destinations that the bus uses for asynchronous messaging. The specialist ensures these underlying components have sufficient capacity to handle peak message volumes without failure.
  • Monitors active services through the OSB Console to identify performance bottlenecks or failed transactions. This oversight allows the specialist to trace message paths and diagnose issues when integrations stop working as expected. They adjust throttling policies or retry mechanisms to maintain system reliability during high-traffic periods.

How to hire an Oracle Enterprise service Bus specialist on Upwork

Step 1: Post a job

Define your integration requirements clearly to attract qualified candidates. Use the Job Post Generator powered by Uma™, Upwork's Mindful AI to draft a precise description. Describe your needs in a few sentences and Uma drafts a job post for the role. You can write a new post, update a saved draft, or reuse an existing post.

  • Specify experience with Oracle JDeveloper for designing proxy and business services that handle message routing and transformation logic.
  • List required skills in configuring Oracle Service Bus Console and managing runtime resources like JMS modules within Oracle WebLogic Server.
  • Clarify if the role involves deploying services via Fusion Middleware Control or the Service Bus Deployment API to match technical workflows.

Step 2: Evaluate candidates

Look for portfolios that demonstrate concrete OSB integration projects and successful deployments. Uma can run instant video interviews and build shortlists with side-by-side comparisons to help you assess technical fit quickly.

  • Verify hands-on work with Oracle Service Bus artifacts, including configured proxy services and defined transformation rules for specific endpoints.
  • Check for evidence of administering OSB runtime behavior through the OSB Console and troubleshooting message flow issues.
  • Confirm familiarity with Oracle WebLogic Server Administration Console for provisioning supporting infrastructure such as JMS destinations.

Step 3: Interview your top choices

Discuss specific technical challenges related to service-oriented messaging and deployment strategies. Interviews can be scheduled and conducted within Upwork Messages with an immediate transcript and summary after each one.

  • Ask how they model and edit OSB services using Oracle JDeveloper or the Service Bus DesignTime Console during development phases.
  • Request examples of how they configure message-routing logic to ensure data transforms correctly between disparate systems.
  • Inquire about their process for monitoring deployed services and resolving runtime errors using Oracle-provided administration tools.

Step 4: Agree on scope and begin work

Set clear milestones for designing, developing, and deploying your Oracle Service Bus integrations. Use Upwork Messages and the contract workroom for communication and project management, plus identity verification, payment protection, hourly tracking, and project funds for security.

  • Define deliverables such as configured OSB proxy services and documented transformation rules for your integration architecture.
  • Establish a timeline for deploying OSB service artifacts to your runtime environment using agreed-upon tools like Fusion Middleware Control.
  • Outline expectations for operational configuration of supporting resources, including JMS modules, to ensure stable service endpoints.

Upwork is not affiliated with and does not sponsor or endorse any of the tools or services discussed in this article. These tools and services are provided only as potential options, and each reader and company should take the time needed to adequately analyze and determine the tools or services that would best fit their specific needs and situation.

The rates and information provided in this article are based on current data and industry sources available at the time of publication. Freelance rates can vary depending on factors such as experience, location, project scope, and market conditions. Readers are encouraged to conduct their own research to confirm current rates and trends, as this information may change over time.

How much does hiring an Oracle Enterprise service Bus specialist cost?

Hiring an Oracle Enterprise service Bus specialist typically costs $500-$1,500 per project for focused configuration tasks. Final pricing depends on scope, technical complexity, required integrations, source-material quality, revision needs, and the freelancer's experience level.

Service configuration audit

$500-$1,200/project

Entry-level to mid-level
  • Analysis of existing proxy and business service configurations
  • Documented recommendations for routing and transformation logic improvements
  • Evaluation of JMS modules and WebLogic Server settings

Proxy service development

$1,200-$2,500/project

Mid-level
  • Configured OSB proxy services for message routing
  • Defined logic for data format changes across endpoints
  • Packaged files ready for Oracle Service Bus runtime environment

Integration deployment

$2,500-$4,500/project

Mid-level to senior-level
  • Deployed OSB services using Fusion Middleware Control or Deployment API
  • Provisioned JMS destinations via WebLogic Server Administration Console
  • Records confirming successful service activation and connectivity

Complex message routing

$4,500-$7,000/project

Senior-level
  • Advanced conditional routing rules for multi-endpoint messaging
  • Configured fault policies and retry mechanisms in OSB Console
  • Dashboards for tracking service performance and message flow

Full SOA integration architecture

$7,000-$12,000/project

Expert-level
  • Complete blueprint for Oracle Service Bus integration within SOA suite
  • Built and deployed all proxy and business services with full transformation logic
  • Documentation for ongoing maintenance via OSB Console and JDeveloper

Frequently asked questions

Is hiring an Oracle Enterprise service Bus specialist worth it?

For most businesses, yes: hiring an Oracle Enterprise service Bus specialist is worthwhile. These experts configure complex message routing and transformation logic that generic developers often miss. They also administer the runtime environment to keep integrations stable during high traffic.

How do I evaluate Oracle Enterprise service Bus specialist candidates?

Look for candidates who describe specific experience configuring proxy and business services in Oracle Service Bus. Ask them to explain how they set up JMS modules in WebLogic Server to support service endpoints.

What tools does an Oracle Enterprise service Bus specialist use?

These specialists design services in Oracle JDeveloper and manage deployments through the OSB Console or Fusion Middleware Control. They also use the Oracle WebLogic Server Administration Console to provision runtime resources like JMS destinations.

What deliverables should I expect from an Oracle Enterprise service Bus specialist?

You will receive configured proxy and business services that define your integration messaging rules. The specialist will also submit deployed service artifacts and operational configurations for supporting infrastructure.