Ayub K.

💼 23+ Years as an Oracle DBA and Consultant 🔐 CompTIA Security+ Certified 🏅 Oracle Database 10g Administrator Certified Associate 💻 Linux Administration Certified 🧾 U.S. Citizen 🛡️ U.S. Top Secret Clearance 🎓 Master’s in Information Technology An Oracle expert who handles everything from database administration to custom development and cloud solutions, bringing more than two decades of experience to your project. I specialize in building, optimizing, and managing Oracle systems that help businesses run efficiently and securely. Available for both standalone and team-based engagements. Oracle Database Administration & Architecture • Oracle installation, configuration, and upgrades • Performance tuning and query optimization • Indexing, partitioning, and capacity planning • High-availability and disaster recovery (RAC, Data Guard, backup & recovery) • Database security, user management, and compliance • Monitoring, troubleshooting, and production support Data Engineering & ETL • Data migration and integration projects • ETL pipelines using PL/SQL and SQL*Loader • Data validation, transformation, and optimization • Data warehousing support • Cross-database experience (Oracle, SQL Server, PostgreSQL, MySQL) Oracle PL/SQL & APEX Development • Advanced PL/SQL development (packages, procedures, functions, triggers) • Dynamic SQL, collections, bulk operations, and tuning • Oracle APEX installation, administration, and troubleshooting • Low-code ERP-style applications • Dashboards, workflow automation, and internal business tools Modern Backend & Full-Stack Systems • Backend development with Node.js, Express.js, and Java • RESTful and GraphQL API design and optimization • Secure authentication and authorization (JWT, OAuth, Bcrypt) • Server-side logic, data flow optimization, and integrations • Payment and third-party integrations (Stripe, WebSockets) Web & Application Development • Full-stack development using MEAN and MERN stacks • Front-end frameworks: React, Angular, TypeScript • Clean, maintainable, and well-documented codebases • Scalable application architecture and long-term support Cloud, DevOps & Deployment • Oracle Cloud Infrastructure (OCI) and AWS • Cloud migrations and environment setup • Docker-based deployments and CI/CD pipelines • Git-based workflows and production release support Why Work With Me? • 20+ years of hands-on Oracle expertise — I have seen it all • Proven track record of successful implementations, including work with US State Departments • Full-service team covering development, administration, and cloud • Results-driven, scalable, and secure solutions Whether you need a high-performing database, a custom-built application, or a seamless cloud migration, I am here to make it happen. Let’s book a call now!