Hire the Best Oracle Complex Events Processing Specialists

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Getachew G.

Minneapolis, Minnesota

$30/hr
5.0
1 jobs

I am Detail-Oriented, certified Oracle database administrator with more than 15 years of experience managing enterprise level databases. My experience includes database infrastructure setup (Data Guard), database backup using RMAN, database recovery, disaster recovery, database upgrade, database migration, database refreshes, database patching and user management in a collaborative team environment. Worked in a team that has been frequently praised for successfully completing major projects such as migrating enterprise-wide databases between operating system platforms. Reliable team player with a diligent and positive attitude to solve any database related technical problems. Building RAC Databases on Grid Infrastructure RMAN Backup and Recovery Manage Oracle ASM Database upgrade and patching Root Cause Analysis and problem solving Manage SAP databases running on oracle Manage SAP HANA Databases

  • Oracle
  • Database Management System
  • Scripting
  • Disaster Recovery
  • Backup
  • Recover Data Recovery Software
  • Migration
Muhammad S.

Karachi Development Authority Colony, Pakistan

$20/hr
5.0
6 jobs

Senior Oracle Developer & Database Administrator with 10+ years of experience in designing, developing, and managing enterprise database applications. Strong expertise in Oracle Database, SQL, and PL/SQL development, along with extensive hands-on experience in Oracle Forms and Reports. Skilled in building modern web applications using Oracle APEX with REST API integration. Experienced in Oracle Database installation, configuration, and maintenance on Microsoft Windows environments. Proficient in database performance tuning, query optimization, and business workflow automation. Committed to delivering secure, scalable, and high-performance solutions for business-critical systems.

  • Oracle Database
  • Data Migration
  • Database Design
  • SQL
  • MySQL
  • Database Programming
  • Microsoft SQL Server Programming
  • Database
  • Oracle Applications
  • Oracle APEX
  • Oracle Reports
  • Oracle WebLogic Server
  • API
  • Oracle Forms
  • Database Development
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
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
Henry N.

Hanoi, Vietnam

$39/hr
4.9
69 jobs

I am a seasoned Database Administrator with 20+ years of experience managing, tuning, and troubleshooting mission-critical databases across Oracle, SQL Server, PostgreSQL, MySQL, and cloud platforms (AWS, Azure, Google BigQuery). I specialize in performance optimization—identifying issues within minutes and implementing solutions that restore speed, stability, and reliability. My core strengths include: Performance Tuning & Troubleshooting: SQL query optimization, indexing, partitioning, memory/I/O tuning, and real-time issue resolution. Database Administration: Installation, upgrades, backup/recovery, high availability (RAC, Always On, replication), and security hardening. Data Architecture & Warehousing: Designing scalable schemas, star models, and ETL pipelines for BI and analytics. Business Intelligence Integration: Power BI, Tableau, SAP BO, and advanced reporting solutions. I deliver robust, secure, and high-performing database environments that empower organizations to scale confidently and make data-driven decisions. Whether on-premises or in the cloud, I ensure your systems run at peak efficiency with minimal downtime.

  • Oracle Database
  • Database Optimization
  • Database Design
  • PostgreSQL
  • MySQL
  • Database Modeling
  • Database Architecture
  • Data Analytics
  • Oracle Performance Tuning
  • Microsoft Power BI
  • Oracle Database Administration
  • Microsoft SQL Server Administration
  • Data Extraction
  • Database Maintenance
  • Query Tuning
  • Data Analysis Consultation
  • Power Query
  • Performance Optimization
  • Data Engineering
Datta G.

Pune, India

$56/hr
5.0
5 jobs

I am Oracle Integration Cloud (OIC) Certified Integration Specialist with strong hands-on experience in OIC-based integrations with analysis, architecture, design, build and Hypercare support expertise. I am often invited to interface business requirement discussions to assess technical feasibility. If there are grey areas, I perform small proof of concepts to test solution viability. I have integrated various boundary systems with Oracle Fusion Cloud ERP modules involving Business Event, FBDI, Rest, Soap, ERP adapters, File, Database (PL/SQL), BIP (BI Publisher) extract based patterns. OIC Experience: 8+ years Total IT Experience: 21+ years Skills: 1. Strong hands-on experience in OIC (Oracle Integration Cloud) 2. Oracle PL SQL, Packages, Procedures 3. BI publisher, BICC 4. Rest API and Soap webservice based integrations 5. Created integrations for Oracle Fusion Cloud modules like SCM, Projects, Contracts, AP, AR, CMK, GL etc 6. XML, JSON, XSLT 7. Java, Python

  • Oracle Integration Cloud Service
  • Oracle Cloud
  • Oracle Fusion Applications

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What does an Oracle Complex Events Processing specialist do?

An Oracle Complex Events Processing specialist builds applications that analyze high-volume data streams in real time to detect specific patterns and correlations. This role focuses on writing Event Processing Language queries that filter, aggregate, and merge incoming events as they occur rather than after storage. The specialist configures the server environment to handle continuous event flows and manages the deployment of these logic modules to production domains. They use specialized monitoring tools to verify that event detection rules execute correctly under live traffic conditions.

  • Authors complex Event Processing Language scripts that define how the system filters, correlates, and aggregates streaming data from multiple sources. These scripts act as continuous queries that run against live event streams to identify meaningful patterns or anomalies without waiting for batch processing cycles. The specialist structures this logic to merge disparate data inputs into a unified view for immediate analysis and action.
  • Configures and deploys Oracle Event Processing applications to standalone or multi-server domains using standard management interfaces and command-line tools. This work involves assembling application packages, setting up network input and output channels, and adjusting server configuration files to support required integrations. The specialist ensures the runtime environment correctly connects to event sources and sinks while maintaining stable performance during operation.
  • Administers the event processing server infrastructure by managing domain settings, monitoring active event flows, and troubleshooting runtime issues through Java Management Extensions. They use visual administration consoles to track application behavior and adjust operational parameters when event volumes change or processing delays occur. This ongoing management includes starting and stopping server components, verifying data source connections, and optimizing the system for consistent low-latency response times.

How to hire an Oracle Complex Events Processing specialist on Upwork

Step 1: Post a job

Define your event processing requirements clearly to attract qualified candidates. Use the Job Post Generator powered by Uma™, Upwork's Mindful AI to draft a precise description in seconds. Describe your needs for continuous event pattern detection, and Uma creates a tailored post. You can write a new post, update a saved draft, or reuse an existing post.

  • Specify the need for EPL (Event Processing Language) logic to filter, correlate, and aggregate streaming data.
  • List required experience with Oracle Event Processing Visualizer and wlevs.Admin command-line tooling.
  • Detail the server domain configuration tasks, including config.xml adjustments for network I/O services.

Step 2: Evaluate candidates

Review portfolios for evidence of deployed Oracle Event Processing applications and operational setups. Uma can run instant video interviews and build shortlists with side-by-side comparisons to speed up this review.

  • Look for deployment artifacts that show how the candidate packages applications for standalone or multi-server domains.
  • Check for examples of integration wiring that connect event sources and sinks within the processing runtime.
  • Verify experience using JMX and MBeans for administration and visibility into application behavior.

Step 3: Interview your top choices

Discuss specific technical approaches to continuous query design and server management. Schedule and conduct these interviews within Upwork Messages, which generates an immediate transcript and summary after each session.

  • Ask how they model complex event patterns using SQL-like EPL queries for real-time detection.
  • Request examples of troubleshooting runtime issues using the Visualizer monitoring controls.
  • Discuss their method for configuring data sources to support high-volume event ingestion.

Step 4: Agree on scope and begin work

Finalize deliverables such as EPL logic code, deployment configurations, and operational documentation. Use Upwork Messages and the contract workroom for all communication and project management, while identity verification, payment protection, hourly tracking, and project funds secure the engagement.

  • Define milestones for developing and testing EPL components against specific event stream scenarios.
  • Set clear expectations for deploying the application to the target Oracle Event Processing domain.
  • Include a requirement for knowledge transfer on managing the runtime via supported config tools.

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 Complex Events Processing specialist cost?

$500-$2,500 per project is a typical range for focused Oracle Complex Events Processing specialist work. Final pricing depends on scope, technical complexity, required integrations, source-material quality, revision needs, and the freelancer's experience level.

EPL query development

$500-$1,200/project

Entry-level to mid-level
  • Written EPL queries for event filtering and correlation
  • Validated scenarios for pattern detection accuracy
  • Notes on query logic and expected outputs

Application packaging

$1,200-$2,500/project

Mid-level
  • Packaged application components ready for server installation
  • Updated config.xml settings for runtime behavior
  • Defined event sources and sinks for data flow

Server domain configuration

$2,500-$4,500/project

Mid-level to senior-level
  • Configured standalone or multi-server domains
  • Adjusted server parameters for required integrations
  • Set up JMX and MBeans for operational visibility

Visualizer and monitoring setup

$4,500-$7,000/project

Senior-level
  • Custom views in Oracle Event Processing Visualizer
  • Defined thresholds for operational controls
  • Recorded metrics for ongoing management

Full lifecycle implementation

$7,000-$12,000/project

Expert-level
  • Complete CEP solution with EPL logic and deployment
  • Guide for managing runtime behavior and troubleshooting
  • Training sessions on administration and maintenance

Frequently asked questions

Is hiring an Oracle Complex Events Processing specialist worth it?

For most businesses, yes: hiring an Oracle Complex Events Processing specialist is worthwhile. These experts build continuous event processing logic that detects patterns in streaming data without manual intervention. They configure server domains and manage runtime components to keep high-volume event flows stable.

How do I evaluate Oracle Complex Events Processing specialist candidates?

Review their experience writing EPL queries to filter and correlate event streams in real time. Ask for examples of how they deployed applications to Oracle Event Processing domains using config.xml settings. Strong candidates explain how they used the Visualizer or JMX MBeans to monitor server performance.

What tools does an Oracle Complex Events Processing specialist use?

Specialists write event processing logic in EPL and manage deployments with the wlevs.Admin command-line tool. They configure server settings in config.xml and monitor application behavior through the Oracle Event Processing Visualizer.

What deliverables should I expect from an Oracle Complex Events Processing project?

You receive packaged Oracle Event Processing applications containing the EPL logic for pattern detection. The specialist also submits deployment artifacts and documents the operational setup for managing runtime behavior.