DENIS Solomasov

- Planned and discussed all necessary requirements with product managers; - Designed and implemented complex user interfaces; - Migrated existing functionalities from MS SQL to PostgreSQL; - Developed core functionalities, Mobile and Backend (Java, Spring, JSON, XML, REST); - Designed and implemented offline capabilities using Room (Android, Kotlin); - Migrated existing code from Java to Kotlin and Jetpack Compose; - Implemented tests for functionalities; - Discussed new features within an Agile team

- Developed architecture, core functionalities and wrote documentation. Estimated the scope of work and new tasks; - Updated functionalities and implemented improvements for accounting and sales systems, optimised algorithms for accounting and sales report preparing; - Prepared, executed, analysed and documented tests according to business product requirements; - Achievements: Reduced the codebase complexity; Reduced the number of requests to the BE, increased the speed of data loading, simplified the UI.

- Updated functionalities and implemented improvements for accounting and sales systems, optimised algorithms for accounting and sales report preparing - Added new functionalities and optimised integration between systems; - Prepared, executed, analysed and documented tests according to business product requirements. - Achievements: Optimised SQL queries; Increased the efficiency of workstations - users work faster or make fewer errors.

- Developed new functionalities for SQL databases and implemented improvements for accounting systems; - Prepared, executed, analysed and documented tests according to business product requirements; - Achievements: Optimised SQL queries; Decreased time for preparation and delivery accounting reports.