Development and refactoring API and UI on the payroll management web application.

My command work on integrations with new companies and technologies.

Development, refactoring, and debugging the large internet shop with several applications.

That is the store with an old technological stack. I made new features, updated UI, and created extra functionality on services and the site.

Development applications for market trading.

Three separate services (data, analytics, trading) worked together as a market broker.