- Разработка микросервисов на spring boot, написание новых rest api. Функционал - сбор данных из сторонних источников, построение финансовых отчетов, автоматизация отправки поручений в банк.- Интеграция с внешними сервисами.- Настройка pipeline CI/DI drone.io- Настройка парсинга логов на logstash, развертывания ELK стека для мониторинга логов.- Настройка прокси и балансировщика нагрузки traefik- Настройка в grafana дашборда для мониторинга микросервисов (источник данных Prometheus) и уведомлений об ошибках (источник данных Elasticsearch).

- Development of microservices for a mobile application. An Oauth 2 user authorization servicebased on keycloak, a messaging service and video/audio calls on the vonage sdk, a reactivepush notification service on the Google fcm sdk.- Modification of the mobile application on react native. Creating new screens, adding new features.- Automation of business processes on camunda, activity frameworks.- Integration of backend with external payment and reference systems.- Development of new CRM system featurefor, including UI and Backend.- Stack of technologies PostgreSQL, Spring Boot, RabbitMQ, Riak Native, Vonage, Java EE, EJB, Hibernate,JBoss, Maven, Git, JavaScript, JQuery, Html.

- New features for monolith on EJB: ORM models, business logic beans, JSP.- Implemented functionality: collection of technological data from users, plottingon the highcharts library, automated collection and processing of data from external sites in xml, json, csv, excel formats.- Complex Transact-SQL queries- Log analysis, error correction and technical support of the corporate portal for the automation of the thermal power station.- Preparation of technical documentation for the portal: technical project, terms of reference,technical data sheet, administrator's manual.