Md. Masud R.

🏅 100% Job Success | 🎓 Oracle APEX Cloud Developer Certified Professional | 8+ Years of Experience 🛠️ Is your Oracle database or APEX application running slow? I fix that. I’m an Oracle Database and APEX developer who specializes in SQL and PL/SQL performance tuning. I turn slow queries, heavy procedures and sluggish APEX pages into fast, stable and scalable solutions. I also build new APEX applications from scratch, and I use AI tools to speed up query review, troubleshooting and documentation. I test and validate every result myself before delivery. What I can do for you 🚀 SQL & PL/SQL Tuning Execution plan analysis, indexing strategies and query rewriting Bulk processing (BULK COLLECT / FORALL), packages, procedures, functions and triggers Finding and fixing performance bottlenecks in Oracle Database 11g to 21c 🚀 Oracle APEX Development & Optimization (APEX 5.x to 26.2) Speeding up slow pages, business-ready web applications User access management, authentication, privileges and ACL Fixing runtime errors and supporting live applications 🚀 Database Development & Setup Database design, ER diagrams, normalization and the full SDLC Installing Oracle Database (11g to 19c) on Windows Server, plus APEX and Apache Tomcat configuration 🚀 Data Services Data extraction, cleansing, formatting and duplicate removal Data analysis, CRM data, web scraping and internet research Why work with me ✔ Corrections until you are fully satisfied ✔ Perfectionist, reliable with deadlines and quick to respond ✔ Clear communication and honest technical advice, even if the answer is a simpler solution than you expected ✔ Experience with startups and larger companies around the world ✔ Available 30 hours per week, for short projects or long-term work My goal is simple: 100% accurate work that earns your trust. Send me your project details and I’ll tell you how I can help. Best regards, Masud Rana Oracle APEX Developer | Oracle Database Developer | APEX Application, SQL & PL/SQL Tuning Specialist