Position: Java Developer
Category: Java
English level: intermediate
Years of experience: 2


GE HealthCare: Dec 2020 - Dec 2022 (2 year)
Spring Security settings (Google/Facebook + OAuth
2.0)
working with a database (DDL, DQL, DML)
integration with Telegram API
RESTful API development
custom validation
used the Factory pattern (issues the necessary
implementation of the OAuth service)
used the Observer pattern (Spring Event Listener)