Serhii Zabirnykov

Software and System Engineer

Software Engineer with 10+ years of experience in IT. Proficient in a wide range of technologies including JS, PHP, and C#. Experienced in full-cycle software development, database optimization, and infrastructure support. Proven track record in developing high-performance web services and enterprise back-office systems.

Work Experience

Data Systems Development Sep 2019 – Nov 2020
Software and System Engineer
  • Performed deep code analysis and performance optimization.
  • Developed scalable Web-services and enterprise-level back office systems.
TotalFlow Jan 2019 – Sep 2019
Software and System Engineer
  • Infrastructure setup, optimization, and support for the TotalFlow ecosystem.
  • Architectural design and server-side development of the core product.
EcoPay Jul 2018 – Dec 2018
Software and System Engineer
  • Developed and supported the VISA bonus program functioning for major banks in Ukraine and Belarus.
Freelance May 2014 – Jul 2018
Freelance Software Engineer
  • DirectBot (botwm.net/directbot.html) - Support and development.
  • InstaRise (insta-rise.com) - Full-stack development.
  • DizzyFlex (dizzyflex.com) - Integration and maintenance.
Aljur Nov 2010 – May 2014
Software and System Engineer
  • Management software for medical institutions; testing, support, and network administration.

Education

Kremenchuk Mykhailo Ostrohradskyi State Polytechnic University 2003 – 2008
Specialty: Computer Systems and Networks

Qualification: Computer Systems Engineer