Abdelrahman R.

✅ Top Rated Data Expert and SQL Developer I help businesses turn messy, disorganized data into clean, reliable insights. With strong understanding of relational databases and hands-on experience in Microsoft SQL Server I write and optimize complex queries including: joins, subqueries, and custom functions, to extract, validate, and transform structured data efficiently. Having worked with several companies across diverse environments, I’m able to communicate to entirely understand your business needs, identifying and fixing data quality issues, troubleshoot and optimize database functions, building queries and piplines that support accurate reporting, and ensuring your data is trustworthy and ready for reporting or analysis. Whether you need a one-time data cleanup, ongoing query support, or help troubleshooting a slow-running database, I can help. If you have a data problem, I’ll help you find the root cause and build a practical, scalable solution.