Azmat M.

I help businesses keep critical databases fast, available, secure, and recoverable and I can also deliver complete web, desktop, and business software solutions when a project needs more than database work. With 20 years of hands-on experience, I work across Oracle, PostgreSQL, SQL Server, MySQL, Greenplum, Redis, and MariaDB, including enterprise environments in banking, fintech, telecom, and other business-critical sectors. DATABASE ARCHITECTURE & DBA • Oracle RAC, Data Guard, RMAN, performance tuning, upgrades and migrations • PostgreSQL HA/DR, repmgr, streaming replication, pgBackRest and optimization • SQL Server Always On, clustering, log shipping, backup/recovery and tuning • MySQL HA, replication, ProxySQL, backup/recovery and performance • Redis HA/Sentinel, Greenplum, DWH/OLAP and database security • Cross-platform database migrations, health checks, troubleshooting and automation SOFTWARE & WEB DEVELOPMENT • Web applications, business portals, dashboards and database-driven systems • Desktop and web-based software development • Backend/API development and database integration • Workflow automation, reporting tools and custom internal applications • Responsive website development and ongoing maintenance GRAPHIC & DIGITAL DESIGN • Logo and brand identity design • Business stationery, letterheads, envelopes, brochures and marketing material • Social media graphics, web assets and presentation design • Clean, professional UI-oriented visual design SELECTED RESULTS • Built and supported multi-node Oracle RAC and Data Guard environments with high availability • Implemented PostgreSQL HA/DR clusters with repmgr and automated backup strategies • Designed Redis HA using Sentinel and replicated DR architecture • Migrated SQL Server/MySQL workloads to PostgreSQL while preserving data integrity • Improved large DWH/reporting query performance by up to 60% CERTIFICATIONS • Oracle Certified Professional (OCP) • Oracle Cloud Infrastructure 2025 Foundations Associate • Oracle Data Platform Foundations Associate • Oracle Cloud Infrastructure 2025 AI Foundations Associate You can hire me for a focused database task, a complete HA/DR or migration project, or an end-to-end software/web solution involving application, database, and visual delivery. I communicate clearly, document my work, and focus on solutions that are stable, maintainable, and ready for production.