Development of middleware system called CODA2 (SpringBoot, Gradle). Order handling system development. Development of projects "Mobile Circle" (shared internet, calls and SMS between a group of subscribers), MFS (middleware system for MobiMoney). Mentorship over juniors and trainees. Code review.

Middleware system development. The system became a common integration point between billing, CRM, VAS, payment gateways, provisioning, self care channels (web self service, SMS, USSD) and third-party systems. New billing integration. Technologies: Spring Framework, Gradle, Git, Oracle DB.

Middle-ware and back-end development on Java JUnit Testing

Developing iOS and Android mobile applications with integration of Apple iBeacon technology. Technologies: Objective-C, Apple iBeacon, Java, Unity3D.

Developing iOS mobile game using SpriteKit game engine. Technologies: SpriteKit, Objective-C.

Разработка тестов на JUnit