Billing system for phone operator• Billing engine developing• Code refactoring(Unirest -> Feign, object serialization, date/timezone,..)• Using SPEL for dynamic parameter execution (price, tax, discount,..) by statements from app configuration• Developing new microservices• Improving existed code• Creating unit tests• Code review

Graduated from Luxoft Java Academy.Reading professional literature:"The ideal programmer. How to Become a Software Development Professional","Clean Code: A Handbook of Agile Software Craftsmanship" by Robert Martin.Improved hard and soft skills

Cross-channel system for preventing internal and external fraud.Responsibilities: • Develop system architecture to add outbound transaction processing (previously inbound only) • Refactor implementation of asynchronous process • Create clear layers for objects (http, container, entity, cache) • Refactor the transaction processing workflow • Create docker images for the main system components (application, distributed cache, database) • Create utility for stress testing the application with generated messages

Integration platform for remote banking.Responsibilities: • Add the ability to send REST requests to an existing SOAP service (code first approach) • Create asynchronous multithreading service • New features design and development • Develop unit and integration tests