• Implemented offshore investment and remittance functionalities using Kotlin, Redis and MongoDB;

• Extended a microservices system with 4M+ active users with principles such as design patterns and message queues;

• Applied test-driven development and monitoring to improve scalability and reliability of microservices;

• Implemented new functionalities on a SaaS platform for brokers, using Elixir, Phoenix, Postgres and Docker;

• Developed features in an app for outdoor fitness using Kotlin and Android Studio;

• Created responsive web applications with authentication using TypeScript, React and Redux;