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I’m Viktor, a software and database developer with a strong focus on data-driven applications and high-load OLTP systems. I excel at optimizing SQL-based workflows, refactoring complex queries, and delivering analytics that drive business decisions. I’m passionate about applying my technical skills to data engineering initiatives and collaborating with teams to build scalable solutions.…

Viktor E. Bardakov

Data Scientist, Database Developer, Developer, +2

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I’m Viktor, a software and database developer with a strong focus on data-driven applications and high-load OLTP systems. I excel at optimizing SQL-based workflows, refactoring complex queries, and delivering analytics that drive business decisions. I’m passionate about applying my technical skills to data engineering initiatives and collaborating with teams to build scalable solutions.…

Available to hire

I’m Viktor, a software and database developer with a strong focus on data-driven applications and high-load OLTP systems. I excel at optimizing SQL-based workflows, refactoring complex queries, and delivering analytics that drive business decisions. I’m passionate about applying my technical skills to data engineering initiatives and collaborating with teams to build scalable solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Advanced

Work Experience

Senior Database Developer at Freedom Finance

March 1, 2021 - November 18, 2025

Designed and optimized high-load OLTP systems for stock trading, enhancing transaction speed and reliability. Refactored complex queries, improved overall performance and reduced execution time. Developed CLR-based logic in MSSQL, enabling more efficient server-side processing.

Freelance SQL Developer at Upwork

June 1, 2014 - November 18, 2025

Developed ERP components for a US-based restaurant client, enhancing operational efficiency and data management. Created and optimized over 100 complex analytical reports, improving insights and decision-making processes. Enhanced query performance and redesigned database schemas to accelerate data retrieval and efficiency.

Software Development Manager at FlexDatabases

March 1, 2021 - March 1, 2021

Managed the full development cycle, including architecture, planning, documentation, and continuous integration, resulting in streamlined processes and improved team efficiency. Implemented SCRUM methodology at the team level and supported system scalability to handle larger data volumes.

Team Lead at Lead Mobile Telecom Systems

August 31, 2016 - August 31, 2016

Managed KPI performance and daily operations of IT support team. Mentored junior engineers and implemented performance tracking processes.

IT Specialist / Expert at Mobile Tele Systems

January 31, 2015 - January 31, 2015

Provided 3rd-line support for web-based billing CRM (10k+ users). Developed UI reports and back-end modules for CRM. Debugged production issues and contributed to system enhancements.