In this compnay I developed a customer experience management system, evaluating and closing various tasks:- created a system for mass mailing invitations to polls- designed and implemented integration with the neural engine for the purpose of automatic labeling of sentiment/response entities- increased performance in statistics and reporting by reducing memory usage and time spent by optimizing the code (precomputations&sliding window)- refactored parts of the project for DDD-architecture- looked for bottlenecks with VisualVm and wrote load tests with JMeter- changed logging from files to ELK stack- made improvments in docker, docker-compose files and GitHub actions- bugfix (backend, frontend - Typescript)

In this company I:- created Vaadin interfaces and backend business logic for new features in banking deposit system- created integration between Chanel CRM system and face recognition system by NtechLab- fixed bugs in backend, frontend(Vaadin)