Davit Dartsimelia

SENIOR SQL & BI EXPERT FREELANCER @ Upwork

West Flanders, Belgium

Senior Database Architect & DBA with 18+ years of comprehensive experience delivering expert-level database solutions, architectural consulting, and mentorship to enterprise organizations across IT, finance, healthcare, and logistics sectors. Specialized expertise in SQL Server optimization and cloud database architecture, with proven proficiency across MS SQL Server (all versions 2000-2022), Azure SQL, AWS RDS, MySQL, and PostgreSQL. Recognized performance tuning expert with deep competency in query optimization, indexing strategies, and database scalability. Accomplished Business Intelligence Consultant and Database Solution Architect, delivering end-to-end BI initiatives, data warehouse solutions, and enterprise database transformations. Demonstrated leadership in IT department management, project delivery, and mentoring technical teams.

Top roles

Business Analyst< 2 years

Database Administrator5 - 10 years

Database Architect> 10 years

Systems

Unix

Windows Server

Back-end

SQL

Microsoft Dynamics 365

MS Exchange Server

Miscellaneous

Turbine Propel

Language

Fluent English

English

Fluent

Work experience

Since 2008

SENIOR SQL & BI EXPERT FREELANCER @ Upwork

01 January 2016 -

Achieved Top Rated status by delivering 150+ successful database and BI projects with 4.97/5.0 average rating.

SQL DBA & BI CONSULTANT @ C&W logistics

01 April 2022 - 01 April 2025

Designed and implemented enterprise SQL Server database solutions supporting warehouse management system with 500+ concurrent users.

Senior BI Developer @ AxiCorp Financial Services Pty Ltd

01 January 2019 - 30 September 2019

Designed and developed enterprise data warehouse supporting 50+ executive dashboards and KPI reporting.

SENIOR DATABASE DEVELOPER & ADMINISTRATOR @ JSC GPC

01 September 2011 - 31 January 2019

Architected and administered enterprise MS SQL Server infrastructure supporting ERP system with 200+ concurrent users.

IT Manager @ Ltd. Geostar

01 February 2010 - 30 September 2011

Led IT department, overseeing database administration, system maintenance, and infrastructure management.

IT Manager @ Ltd. UCS

01 January 2008 - 01 February 2010

Managed IT department operations and technical infrastructure for growing organization.

Education experience

Since 2002

Information Science and Control Systems @ Georgian Technical University

01 January 2002 - 01 January 2006

Bachelor of Engineering (B.Eng.) specializing in Automated Systems of Control and Economic Data Processing.