About Hennadii
English
Fluent
Russian
Native or bilingual
Ukrainian
Native or bilingual
Experience
- FreelanceBackend ArchitectDIGITAL AND ITMay 2026 - Today (2 months)Dokkum, Netherlands- Backend architecture & system design- API design & development- Third-party API integrations- Legacy modernization & tech-debt rescue- Performance & scalability optimization- Fractional CTO / technical leadership
- Traders EducationTechnical LeadEDUCATION AND E-LEARNINGFebruary 2023 - May 2026 (3 years and 3 months)- Development of the new version of the SaaS project- Full scope cloud infrastructure setup and maintenance- CI/CD development- API development- Unit testing- Frontend development- Database migration- Project optimization- Development management
- Newage IOMiddle PHP DeveloperDIGITAL AND ITMay 2019 - February 2023 (3 years and 9 months)Kyiv, Ukraine- SaaS project development from scratch- Relational database design- System architecture design- API development- Unit testing- Project infrastructure maintenance
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Education
- Associate degreeOdessa College of Computer Technologies2012Field of study: Computer systems and networks
- Master's degreeOdessa State Environmental University2015Field of study: Information Systems