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Hasan T.

Hasan T.

Senior DBA | SQL Server Specialist | Performance Tuning

I’m a Senior Database Administrator with 10+ years of professional experience, primarily focused on Microsoft SQL Server — including administration, optimization, configuration, and development. Throughout my career, I've worked on a wide range of projects such as: - Database development & administration - High availability and disaster recovery (HA/DR) design & implementation - Multi-database server consolidation and migration projects My core expertise is in SQL Server and Azure SQL, but I’ve also provided administrative support for MySQL and MongoDB systems in various environments. Additionally, I have experience in ETL workflows, especially with SSIS and Informatica for enterprise-scale data pipelines. 🔧 Key Responsibilities & Skills: - Backup strategies and maintenance routines - Performance tuning: query optimization, indexing, partitioning, and stored procedure tuning - High availability solutions: AlwaysOn, failover clustering, log shipping, replication - User access control, security auditing, and compliance - Troubleshooting and root cause analysis at both server and query level 📦 Databases & Tools: - Microsoft SQL Server - Azure SQL - MySQL - MongoDB - SSIS If you're looking for a reliable and detail-oriented database expert who understands both infrastructure and business needs, I’d be happy to help.

🇹🇷Istanbul, Turkey$50/hr100% JSS4.92 (10)Since Jan 2016

Earnings and projects

MRR
$0

Last 6 months ÷ 6

World#206,361 / 412k
🇹🇷Country#1,664 / 3,515
Revenue, last 30 days
$0
Total earnings
$8.9k

Billed in all: $9.1k

World#206,361 / 412k
🇹🇷Country#1,664 / 3,515
Per project
$467
Projects, last 6 months
0
World#209,850 / 412k
🇹🇷Country#1,674 / 3,515
Projects in all
19

Across 21 contracts

52% fixed48% hourly
World#138,388 / 412k
🇹🇷Country#1,090 / 3,515

Earnings, last 30 days

$9.1kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$9.0k$9.1k$9.2k$9.3kOct 8Oct 23Nov 7

Skills