I worked for product company on a B2B travel project that helps merchants to process payments using various payment methods (credit card, cryptocurrency, payment links, etc.). The project had microservice architecture. The stack included JDK 11, Kotlin, Spring Boot, Hibernate, PostgresSQL etc. Business processes were developed with Camunda BPMN. The project was tested by unit and integration tests. I worked as a backend engineer, specifically in integration with the payment gateway. I solved tasks in design and development of business processes. I also worked a majority of the time with legacy code and refactoring.

I participated in the development of Jungle Jobs’ projects in Java Backend (Spring Boot( and React/Angular/AngularJS in the recruitment sphere. I greatly improved my skills in refactoring and optimization of program systems. I solely designed and developed MVP application (backend + frontend) from scratch. There were Scrum processes on the team. The company used CI/CO and automated testing. I wrote and edited both integration and unit tests. I implemented business tasks in a complex manner which saved time with interactions between backend and frontend teams. I was in charge of maintaining the legacy project on AngularJS. I began to familiarize myself with GraphQL.