
Yiğit Yapalak
@yiityapalak
I lead enterprise technology organizations and build resilient SQL Server, data warehouse, and cloud platforms.
What I'm looking for
I lead software development and IT operations at NTT DATA Business Solutions Turkey, directing around 100 professionals across five teams and owning delivery, security, quality, budgets, SLA/KPI performance, and operational efficiency.
Before becoming Director, I led software development and managed a database and data warehouse team while staying hands-on with enterprise SQL Server environments. I’ve designed, administered, troubleshot, migrated, and optimized mission-critical platforms across high availability, disaster recovery, replication, security, and performance.
At Microsoft EMEA, I supported major telecom and financial-services customers as a Senior Premier Field Engineer and SQL Server Support Engineer. I led Türk Telekom’s three-year, 60 TB Data Warehouse engagement and was named Microsoft EMEA Trainer of the Year in 2010.
I bring 30+ years of IT experience across SQL Server, Azure, AWS, Oracle, DB2, data warehousing, consulting, and technology leadership.
Experience
Work history, roles, and key accomplishments
Software Development & IT Operations Director
NTT DATA Business Solutions Turkey
Apr 2024 - Present (2 years 5 months)
Senior leader responsible for the technology organization, reporting directly to the General Manager. Leads ~100 professionals across five teams and holds end-to-end accountability for software development, IT operations, security, quality, people, recruitment, performance, budget, delivery, SLA/KPI performance, and operational efficiency.
Head of Software Development
NTT DATA Business Solutions Turkey
Apr 2023 - Apr 2024 (1 year)
Promoted following strong performance in database consulting and group management. Led ~50 developers and business analysts before responsibilities expanded to Director level.
Expert Database Consultant - Group Manager
NTT DATA Business Solutions Turkey
Oct 2019 - Apr 2023 (3 years 6 months)
Led a 10-person Database/Data Warehouse team while remaining actively hands-on with enterprise SQL Server and Data Warehouse environments. Designed, administered, and troubleshot SQL Server platforms, performed advanced performance tuning, and led end-to-end database solutions and a retail-sector Data Warehouse project.
Founder & General Manager / Senior Database Consultant
QLBC Consultancy Turkey
Jan 2014 - Oct 2019 (5 years 9 months)
Founded and managed a database consultancy while remaining hands-on across SQL Server and Oracle environments. Delivered DBA services, performance tuning, troubleshooting, architecture, optimization, technical training, presales, and Proof of Concepts for enterprise and public-sector customers.
Worked across DB2, Data Warehouse, DataStage, Netezza, Big Data, and Optim in consulting and presales engagements.
Senior Premier Field Engineer - SQL Server / Data Platform
Jan 2007 - Feb 2012 (5 years 1 month)
Served as a senior technical expert for enterprise and mission-critical SQL Server environments across EMEA, with major telecom and financial-services customers. Led the three-year Türk Telekom Data Warehouse engagement (60 TB), covering management, training, planning, database design, and SAN configuration. Delivered SQL Server and BI health checks, performance tuning, and optimization engagement
Provided remote SQL Server support and administration across EMEA; handled complex escalations, root-cause investigations, and structural problem resolution. Performed core-banking SQL Server performance tuning in Ukraine and designed/implemented database and cube structures for a BI project in Spain.
Held DBA responsibility for the bank-wide database environment across SQL Server, Oracle, and DB2, supporting credit-card, investment-banking, and Data Warehouse systems. Designed and implemented the Disaster Recovery System Center for HSBC Turkey and led database work for major bank-wide transition initiatives.
Junior Consultant
Keysoft Yazılım
Jun 1996 - Jun 1998 (2 years)
Project management and IT project deployment.
System Analyst
Logo Yazılım
Jan 1994 - Mar 1996 (2 years 2 months)
Worked in the application development department.
Education
Degrees, certifications, and relevant coursework
Eastern Mediterranean University
Computer Science and Programming, Computer Science and Programming
Studied Computer Science and Programming at Eastern Mediterranean University, completing in 1994.
Microsoft
Microsoft Certified Database Administrator (MCDBA), Database Administration
Earned the Microsoft Certified Database Administrator (MCDBA) certification.
Microsoft
Microsoft Certified Trainer (MCT), Training
Earned the Microsoft Certified Trainer (MCT) certification.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Salary expectations
Social media
Job categories
Skills
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