Dmitrii Soroka Email & Phone Number

Санкт-Петербург, Санкт-Петербург, Россия

Worked on a highloaded project in the field of healthcare. 9 million unique registered users, ~500k visitors per day.Technologies:• Java 17• Microservices Architecture• Spring 5, Spring Boot 2• Hibernate, Oracle DB, Postgresql• Jira, Confluence• Grafana• Graylog• Kafka• SOAP• Gitlab, Gitlab CI/DI, Maven, JenkinsResponsibilities:• Optimized existing microservice (one of many): improved response time in 10 times, upgraded Java from 8 -> 11 -> 17 and all major dependencies to the latest, improved legacy and unstable code• Worked on documentation for features and processes• Conducted interviews• Onboarded and supported newcomers• Designed architecture for new service• Raised test coverage up to 80%• Communicated and closely worked with other backend developers (16 team members), DevOps, QA engineers, analysts & PM• Maintained backlog, created and delegated tasks in JIRA

Санкт-Петербург, Санкт-Петербург, Россия

Saint Petersburg, St Petersburg City, Russia

Technologies:• Java 10• Spring Boot 2 (MVC, Security, JPA, Cloud)• Hibernate, Postgresql• Service Discovery (Zuul)• Docker• Kubernetes• JIRA• Confluence• Rest clients & apiResponsibilities:• Developed, integrated and maintained in-house microservices and databases• Created, integrated and improved CI/CD pipelines• Knowledge transfer• Created and started servers and tools for local development from scratch (servers on Debian, configured Gitlab, Gitlab Runner and Pipelines, Docker, Postgres, Nexus)• Integrated review process• Maintained backlog, created and delegated tasks in JIRA• Closely communicated with product manager & front-end team

St Petersburg, St Petersburg City, Russia

Technologies:- Wrote backend logic using Java 8- Learnt how to develop and build MVC applications- Handled Spring MVC & Security, SOAP, Hibernate, Maven, Tomcat- Learned to work with Gitlab & Git- Got familiar with JUnit & SonarQubeResponsibilities:- Maintained existing codebase- Fixed critical bugs- Closely communicated with DevOps, QA engineers and analysts