Hire the Best Certified Oracle Cloud Developers

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Mohsin A.

Sharjah, United Arab Emirates

$35/hr
4.7
51 jobs

๐Ÿ† Top-Rated Database Architect & Multi-Cloud Specialist with 16+ Years of Experience Delivered 50+ enterprise-scale database and cloud transformation projects across telecom, government, banking, retail, and transport industries, specializing in migrations, HA/DR architectures, and performance tuning for Oracle, PostgreSQL, MySQL, SQL Server, MongoDB, Redis and Apache Cassandra. I am a seasoned Database Architect and Cloud Specialist with over 16 years of experience, delivering high-impact solutions across telecom, government, banking, transport, and retail industries. My expertise spans multi-database ecosystems (Oracle, PostgreSQL, MySQL, SQL Server, MongoDB, Redis) with a strong focus on performance tuning, HA/DR architectures, and enterprise-scale migrations. Beyond databases, I bring deep experience in multi-cloud environments (OCI, AWS, Azure, GCP) and DevOps practices, leveraging Kubernetes, Docker, Ansible, Jenkins, and CI/CD pipelines to design and automate resilient, scalable infrastructures. Over the years, I have led critical modernization projects including Oracle RAC/Data Guard, PostgreSQL Patroni clusters, MySQL InnoDB clusters, SQL Server Always-On, and GoldenGate microservices replication, all aligned with compliance, cost optimization, and business continuity. I specialize in cloud-native architectures, database modernization, and containerized deployments, ensuring secure, high-performing, and future-ready platforms for enterprises across multiple sectors. ๐Ÿ”น Database Expertise High Availability & DR: Oracle RAC/Data Guard/GoldenGate, PostgreSQL Patroni/repmgr/EFM, MySQL Group Replication/ClusterSet, SQL Server Always-On, MongoDB ReplicaSets & Sharding, Redis Sentinel & Cluster. Performance Tuning: Advanced SQL optimization, query indexing, connection pooling, and OS-level tuning (CPU, memory, I/O, networking). Clickhouse DB optimization and performance tuning. Migrations: End-to-end cross-platform migrations (SQL Server โ†’ Postgres/Oracle, MySQL โ†’ Snowflake/OCI/Azure, on-prem โ†’ multi-cloud). I have hands-on experience designing and implementing Oracle Fusion API integrations using Oracle Integration Cloud (OIC), connecting Fusion Cloud with multiple external systems. My work includes building and optimizing REST and SOAP-based services, handling complex data mappings, and improving integration performance and reliability. Iโ€™ve also maintained existing integrations to ensure high availability and seamless data flow while collaborating closely with cross-functional teams to identify needs, streamline workflows, and deliver well-documented, reusable integration solutions. Automation: Backup/recovery orchestration, PITR, monitoring, and administration via shell scripts, Ansible, Jenkins, and IaC. ๐Ÿ”น Cloud Architecture Certified in OCI, AWS, Azure, GCP, and Alibaba Cloud, with deep experience in hybrid & multi-cloud setups. Skilled in OCI Exadata Cloud@Customer, AWS RDS/Aurora, Azure SQL Database, Databricks, and multi-region failover. Migrated enterprise systems (DB + middleware) to cloud with zero-downtime cutovers and automated DR. ๐Ÿ”น DevOps & Modern Platforms Proficient with Docker, Kubernetes, and OpenShift for containerized DB + application deployments. Extensive experience in building, optimizing, and maintaining Oracle Integration Cloud (OIC) processes, adapters, and orchestration for enterprise-scale clients. VBCS (Visual Builder Cloud Service): Skilled in designing and developing responsive, low-code applications integrated with Oracle SaaS and PaaS ecosystems. Strong background in CI/CD (Jenkins, GitLab, Ansible, Terraform). Experience securing secrets with Vault, integrating monitoring stacks (Prometheus, Grafana, ELK). ๐Ÿ”น Odoo & Application Layer Odoo deployment, backend DB optimization, and module customization. Report building & tailoring business workflows for performance and usability. Tomcat, Apache, IBM WebSphere, Oracle WebLogic, and Bitnami stack administration. ๐Ÿ”น Data & AI Solutions Data Engineering & Warehousing: Azure Data Factory, Databricks, Oracle OBIEE, Snowflake. AI Agent Development: Built agents for self-healing DBs, N8N automation, and natural language querying. Supabase Consultation: Connect Supabase with AI agents to simplify backend management for non-developers. Automate project provisioning, query execution, function creation, and API management. Enable natural language interaction with data, making database operations accessible to entire teams. โœ… Key Certifications: Oracle 19c OCP DBA | PostgreSQL Advanced v11 | MySQL 8.0 OCP | MongoDB Associate DBA | Redis Certified Developer | Microsoft Azure Administrator | OCI 2025 Certified Multicloud Architect | OCI GenAI | Oracle GoldenGate Implementation Specialist | WebLogic 12c OCP | YugabyteDB DBA

  • Oracle Cloud
  • Oracle Database
  • Oracle GoldenGate
  • Oracle Exadata
  • Oracle Data Guard
  • Oracle NoSQL Database
  • Oracle Patching
  • MySQL
  • MySQL Programming
  • Oracle Data Integrator
  • MariaDB
  • PostgreSQL
  • Oracle E-Business Suite
  • Database Administration
  • Oracle Database Administration
Alexander N.

Dubai, United Arab Emirates

$95/hr
5.0
107 jobs

I am a certified professional with unique skillset and profound knowledge of DBA, Solution Architecture, SysOps and DevOps. With over 15 years of hands-on experience, I am designing, building, managing and optimizing various databases and environments for Startups, SMBs and Fortune 100 Enterprises from different industries. Reviews have it! โœ… DBA Expertise: ๐ƒ๐ ๐€๐๐ฆ๐ข๐ง๐ข๐ฌ๐ญ๐ซ๐š๐ญ๐ข๐จ๐ง: Oracle 9i, 10g, 11g, 12c - 19c on premise and in Cloud, MS SQL, PostgreSQL, MySQL, SQL Server, and more. ๐‚๐ฅ๐ฎ๐ฌ๐ญ๐ž๐ซ๐ฐ๐š๐ซ๐ž: Automatic Storage Management (ASM), Real Application Clusters (RAC) ๐Ž๐ซ๐š๐œ๐ฅ๐ž ๐„๐ง๐ ๐ข๐ง๐ž๐ž๐ซ๐ž๐ ๐’๐ฒ๐ฌ๐ญ๐ž๐ฆ๐ฌ: Exadata, ZDLRA, Exalogic, ODA ๐Œ๐ข๐๐๐ฅ๐ž๐ฐ๐š๐ซ๐ž ๐š๐ง๐ ๐„๐‘๐ ๐š๐๐ฆ๐ข๐ง๐ข๐ฌ๐ญ๐ซ๐š๐ญ๐ข๐จ๐ง: NetSuite, Oracle E-Business Suite, Weblogic Server, Apache Tomcat, Glassfish, OBIEE, Discoverer, Fusion Middleware, OAM/IDM ๐„๐ง๐ญ๐ž๐ซ๐ฉ๐ซ๐ข๐ฌ๐ž-๐œ๐ฅ๐š๐ฌ๐ฌ ๐๐š๐œ๐ค๐ฎ๐ฉ, ๐‘๐ž๐œ๐จ๐ฏ๐ž๐ซ๐ฒ ๐š๐ง๐ ๐‘๐ž๐ฉ๐ฅ๐ข๐œ๐š๐ญ๐ข๐จ๐ง: RMAN, Dataguard, Golden Gate ๐ƒ๐ž๐ฏ๐ž๐ฅ๐จ๐ฉ๐ฆ๐ž๐ง๐ญ, ๐’๐œ๐ซ๐ข๐ฉ๐ญ๐ข๐ง๐ , ๐š๐ง๐ ๐€๐ฎ๐ญ๐จ๐ฆ๐š๐ญ๐ข๐จ๐ง: bash, SQL, PL/SQL, Python ๐‚๐ฅ๐จ๐ฎ๐ ๐’๐จ๐ฅ๐ฎ๐ญ๐ข๐จ๐ง๐ฌ: Oracle Cloud, AWS, Azure ๐’๐ฒ๐ฌ๐ญ๐ž๐ฆ ๐€๐๐ฆ๐ข๐ง๐ข๐ฌ๐ญ๐ซ๐š๐ญ๐ข๐จ๐ง: Unix and Linux, Windows (on premise or in Cloud) โœ… DevOps, SysOps Expertise: ๐’๐ฒ๐ฌ๐ญ๐ž๐ฆ ๐„๐ง๐ ๐ข๐ง๐ž๐ž๐ซ๐ข๐ง๐ : Scalable, secure, and highly available designs tailored to business needs. ๐’๐ฒ๐ฌ๐Ž๐ฉ๐ฌ & ๐ˆ๐ง๐Ÿ๐ซ๐š๐ฌ๐ญ๐ซ๐ฎ๐œ๐ญ๐ฎ๐ซ๐ž: Managing virtual machines, containers, storage, backup, migration, networking, and databases. ๐ƒ๐ž๐ฏ๐Ž๐ฉ๐ฌ ๐€๐ฎ๐ญ๐จ๐ฆ๐š๐ญ๐ข๐จ๐ง: CI/CD, infrastructure as code (IaC), tools like Jenkins, GitLab CI/CD, Azure DevOps, etc. ๐’๐ž๐œ๐ฎ๐ซ๐ข๐ญ๐ฒ & ๐‚๐จ๐ฆ๐ฉ๐ฅ๐ข๐š๐ง๐œ๐ž: Data encryption, access control, IAM, GDPR, HIPAA, PCI-DSS compliance. Choosing me as your IT Architect, DBA, SysOps, and DevOps Engineer means you gain a trusted partner who will go the extra mile to deliver exceptional results and help your organisation thrive. Let's discuss your requirements and get you the best solution. Contact me today!

  • Oracle Cloud
  • Oracle Database
  • SQL
  • Database Administration
  • Solution Architecture
  • Database Architecture
  • Cloud Architecture
  • Azure DevOps
  • Amazon Web Services
  • Oracle E-Business Suite
  • Linux
  • Enterprise Software
  • Python
  • Kubernetes
  • Git
RAJ B.

Pune, India

$25/hr
4.8
55 jobs

Hello, I consider myself an expert in Oracle Database world and Open for new opportunities! I'm passionate about solution in Oracle Database design + APEX+ OCI + ORDS + OAC Expert Developer. Working with more than 13+ years' experience in Oracle technology stack. With proven experience of expert in database and OCI practice. โญ| Technical Area Expertise: -------------------------------------------- โœ”๏ธExpert Oracle SQL/PLSQL Developer โœ”๏ธExpert Oracle APEX Developer โœ”๏ธOracle Cloud Infrastructure (OCI) โœ”๏ธOracle ORDS services REST develop โœ”๏ธOracle VBCS and Form & Report โœ”๏ธOracle OAC OBIEE Publisher Reports โœ”๏ธOracle WebLogic support and Maintains โœ”๏ธAI&ML services projects โœ”Data Integration ETL tools โญ| Database- Technical Expertise: โ€ข Strong knowledge of Oracle Database versions 23ai/19c/12c/11g โ€ข Hands on Data Modelling and Database Design โ€ข Expert knowledge of Performance Optimizations Query Tuning โ€ข Expert of advance SQL quires & PL/SQL Programming โ€ข Hands on collections and records advance level exception handling โ€ข Database DBA Administration for standalone and OCI hosted database โ€ข Database connection issue with other languages TNS troubleshooting โ€ข Debugging of issue and SQL developer data import and export โ€ข Oracle WALLET manager , ACL and Network security issues โ€ข Oracle Certificate installations for API outbound call from DB โ€ข Send SMTP and HTTP send mail from database โ€ข Oracle REST Data Services (Configurations, REST APIs development) โ€ข Webservices Types REST, SOAP XML & JSON Data Processing โ€ข Data integrations and ETL tools (data extractions transform) โญ| APEX - Technical Expertise: โ€ข Oracle Apex 24.1, 23, 22.x,20.x,19.x,18.x,5.x โ€ข SQL& PL/SQL Programming expert (Advanced Level) โ€ข Expert in writing Oracle Function, Procedure, Package ,Triggers, cursors and sequences. โ€ข Oracle Forms and reports to APEX modernization โ€ข Implemented projects on Oracle cloud AI Services (Generative AI, Language, Vision, Document, speech) with APEX projects โ€ข Oracle REST Data Services (ORDS) APIs development and ORDS Configurations โ€ข Integrations with APEX- Oracle Services, Microsoft, Google, Amazon, Digital Ocean, Login.com, Tableau, PayPal. โ€ข Webservices Types REST, SOAP XML & JSON Data Processing in APEX. โ€ข Automations With APEX services like Files processing, mails notification, Reports and Custom JOBS. โญ| OCI - Technical Expertise โ€ข Setting up and managing OCI networking (VCN, subnets, gateways, VPNs, etc.) โ€ข Configuring OCI Web Application Firewall (WAF) to protect applications โ€ข Email Delivery setup with (DKIM setting) โ€ข Data-integrations, data-loading, OAC report setups โ€ข WebLogic, NGINX, and load balancer setups OCI โ€ข Supporting migration of workloads (VMs, databases) to OCI โ€ข Configure DNS and manage domain mapping to the new OCI resources. โ€ข Managing Identity and Access Management (IAM): domains, policies, dynamic groups, compartments โ€ข Setting up IAM policies, compartments, and security controls (Cloud Guard, Vault) โ€ข Working with Linux-based environments (Oracle Linux, RHEL) for system configuration, performance tuning, and troubleshooting โ€ข Monitoring, performance tuning, and cost optimization โ€ข Installation of Oracle database, APEX, OBI, ORDS, WebLogic infra. โญ| OAC/OBIEE - Technical Expertise โ€ข OAC report dashboard design โ€ข Working on BIP report development โ€ข BIP report bursting and exporting โ€ข Email delivery of monthly reports using Bursting โ€ข Crystal AOP, Jasper, PLPDF, Tableau Reports. I have been working with clients across the globe. ๐–๐ก๐ฒ ๐‚๐ฅ๐ข๐ž๐ง๐ญ๐ฌ ๐‚๐ก๐จ๐จ๐ฌ๐ž ๐Œ๐ž I guarantee to solve your technical problems 100% in timely manner! Thanks for reading my profile and I am confident that we can make your project successfully together.

  • Oracle Cloud
  • Oracle E-Business Suite
  • Oracle WebLogic Server
  • Oracle Forms
  • Database Design
  • Oracle APEX
  • Database Programming
  • Query Tuning
  • Oracle Analytics Cloud
  • Oracle PLSQL
  • Oracle Business Intelligence
  • SQL
  • Oracle Database Administration
  • Oracle Data Integrator
  • Data Lake
  • Oracle Integration Cloud Service
Muhammad Ahmad R.

Multan, Pakistan

$8/hr
4.8
29 jobs

๐Ÿ† ๐Ž๐ซ๐š๐œ๐ฅ๐ž ๐€๐๐„๐— ๐ƒ๐ž๐ฏ๐ž๐ฅ๐จ๐ฉ๐ž๐ซ, OCI Expert, ๐Ÿ“Š๐Ž๐ซ๐š๐œ๐ฅ๐ž ๐…๐จ๐ซ๐ฆ๐ฌ & ๐‘๐ž๐ฉ๐จ๐ซ๐ญ๐ฌ,๐Ÿ“Š๐Ž๐ซ๐š๐œ๐ฅ๐ž ๐’๐จ๐Ÿ๐ญ๐ฐ๐š๐ซ๐ž๐ฌ - Delivering Excellence Every Time โœ… Successful projects on Upwork โœ… Multiple projects delivered with client satisfaction ๐Ÿ”ฅ ๐„๐ฑ๐ฉ๐ž๐ซ๐ญ๐ข๐ฌ๐ž ๐ข๐ง ๐Ž๐ซ๐š๐œ๐ฅ๐ž ๐€๐๐„๐—, ๐’๐๐‹, ๐๐‹/๐’๐๐‹, ๐‰๐š๐ฏ๐š๐’๐œ๐ซ๐ข๐ฉ๐ญ, ๐Ž๐ซ๐š๐œ๐ฅ๐ž ๐‚๐ฅ๐จ๐ฎ๐ ๐ˆ๐ง๐Ÿ๐ซ๐š๐ฌ๐ญ๐ซ๐ฎ๐œ๐ญ๐ฎ๐ซ๐ž (๐Ž๐‚๐ˆ), ๐š๐ง๐ ๐‘๐ž๐ฉ๐จ๐ซ๐ญ๐ฌ ๐Ÿ’ก API Integration Specialist - Seamless Functionality Guaranteed Hello, I'm ๐Œ๐ฎ๐ก๐š๐ฆ๐ฆ๐š๐ ๐€๐ก๐ฆ๐š๐ ๐‘๐š๐ง๐ฃ๐ก๐š, a highly skilled ๐Ž๐ซ๐š๐œ๐ฅ๐ž ๐€๐๐„๐— ๐ƒ๐ž๐ฏ๐ž๐ฅ๐จ๐ฉ๐ž๐ซ with a proven track record in application development, API integrations, hands-on experience in Oracle Cloud Infrastructure (OCI), and a specialization in Reports. My dedication to Oracle APEX, OCI, and Jasper Reports goes beyond just skillsโ€”it's a passion that has driven my career for 4 years. ๐Œ๐ฒ ๐’๐ญ๐ซ๐ž๐ง๐ ๐ญ๐ก๐ฌ ๐š๐ง๐ ๐’๐ค๐ข๐ฅ๐ฅ๐ฌ ๐Ž๐ซ๐š๐œ๐ฅ๐ž ๐€๐๐„๐— ๐Œ๐š๐ฌ๐ญ๐ž๐ซ๐ฒ: Expertise in designing and deploying robust web applications rapidly. ๐—ข๐—ฟ๐—ฎ๐—ฐ๐—น๐—ฒ ๐—–๐—น๐—ผ๐˜‚๐—ฑ ๐—œ๐—ป๐—ณ๐—ฟ๐—ฎ๐˜€๐˜๐—ฟ๐˜‚๐—ฐ๐˜๐˜‚๐—ฟ๐—ฒ: Skilled in creating scalable and reliable cloud-native applications. ๐ƒ๐š๐ญ๐š๐›๐š๐ฌ๐ž ๐๐ซ๐จ๐Ÿ๐ข๐œ๐ข๐ž๐ง๐œ๐ฒ: Advanced SQL and PL/SQL skills for efficient database solutions. ๐…๐ซ๐จ๐ง๐ญ-๐„๐ง๐ ๐ƒ๐ž๐ฏ๐ž๐ฅ๐จ๐ฉ๐ฆ๐ž๐ง๐ญ: Proficient in JavaScript for dynamic and engaging user interfaces. ๐‘๐ž๐ฉ๐จ๐ซ๐ญ๐ฌ ๐’๐ฉ๐ž๐œ๐ข๐š๐ฅ๐ข๐ฌ๐ญ: Strong command of Reports for insightful data visualization. ๐€๐๐ˆ ๐ˆ๐ง๐ญ๐ž๐ ๐ซ๐š๐ญ๐ข๐จ๐ง: Seamless and secure integration of third-party services. ๐’๐œ๐š๐ฅ๐š๐›๐ฅ๐ž ๐’๐จ๐ฅ๐ฎ๐ญ๐ข๐จ๐ง๐ฌ: Proven ability to build applications ready for future growth. ๐—ค๐˜‚๐—ฎ๐—น๐—ถ๐˜๐˜† ๐—”๐˜€๐˜€๐˜‚๐—ฟ๐—ฎ๐—ป๐—ฐ๐—ฒ: Meticulous attention to detail, ensuring reliable and bug-free applications. ๐—ฃ๐—ฟ๐—ผ๐—ท๐—ฒ๐—ฐ๐˜๐˜€ ๐—ฎ๐—ป๐—ฑ ๐—”๐—ฐ๐—ต๐—ถ๐—ฒ๐˜ƒ๐—ฒ๐—บ๐—ฒ๐—ป๐˜๐˜€: - Delivered multiple complex Oracle APEX applications with exceptional user experiences. - Developed robust data models and integrated third-party services seamlessly. - Enhanced performance and efficiency of applications through optimization efforts. - Maintained a 100% on-time and on-budget delivery record, earning client trust and satisfaction. I am ready to bring my extensive expertise in Oracle APEX, web development, API integrations, Oracle Cloud Infrastructure, and Jasper Reports to your project. Let's collaborate to create a successful web application with robust reporting capabilities that exceeds your expectations. Let's make it happen!

  • Oracle Cloud
  • Oracle Database
  • Oracle
  • JavaScript
  • Oracle PLSQL
  • Oracle APEX
  • CSS
  • Oracle Forms
  • SQL
  • Database Design
  • jQuery
  • Oracle Reports
  • Oracle Applications
  • Oracle Database Administration
  • API
Abair M.

Faisalabad, Pakistan

$10/hr
5.0
65 jobs

๐ŸŒŸ Oracle APEX & Oracle Forms Architect | 12+ Years of Excellence Transforming Business Processes with Scalable, Custom Cloud Solutions ๐Ÿ† What I Offer Oracle APEX Solutions: Modern, responsive, and interactive web appsโ€”fully customized to fit your business needs. THE Upgrade, enhance, or migrate legacy forms to next-gen platforms with minimal disruption. Database & PL/SQL Expertise: High-performance database design, query optimization, and complex business logic. System Integration: Seamless connectivity with APIs, Power BI, ERP, third-party apps, and more. UI/UX Design: Clean, intuitive interfaces for desktop and mobileโ€”ensuring an exceptional user experience. Performance Tuning: Diagnose and optimize slow systems for peak efficiency and reliability. Documentation & Training: Detailed documentation and hands-on training to empower your team. ๐Ÿš€ Industry-Proven Solutions Deployed Order Management System Point of Sale (POS) Export Management System School Management System Folding System GatePass Attendance Management System Payroll Management Medical Pharmacy System Power BI Dashboards (HR & Operations) WordPress Website Solutions ๐Ÿ’ก In 12+ Years of Real-World Results Client-Centric, Collaborative Approach On-Time, On-Budget Delivery Transparent Communication, Reliable Support I donโ€™t just deliver softwareโ€”I deliver measurable business value. If you want a long-term partner for your Oracle APEX and Forms needs, letโ€™s talk!

  • SQL
  • MySQL
  • Microsoft SQL Server
  • Oracle Applications
  • Oracle APEX
  • Oracle WebLogic Server
  • Oracle PLSQL
  • Oracle Forms
  • Database Administration
  • Apex
  • Database Design
  • Microsoft Excel
Shardul G.

Ahmedabad, India

$40/hr
5.0
29 jobs

I am MongoDB SI certified DBA and Developer with 100% job success ratio. I have 10+ years of experience including MongoDB Atlas, Query optimisation, Index, Schema, MongoDB Cluster, DB Version Update, Sharding, replication, security, backup restore and query design.

  • MongoDB
  • Azure Cosmos DB
  • Microsoft Azure
  • NoSQL Database
  • MongoDB Ops Manager
  • Database Design
  • Database Architecture
  • Database Administration
  • Database Security
  • Database Optimization
  • Microsoft Azure SQL Database
  • Mongoose

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