Vladyslav Parkhomenko Email & Phone Number

Poland

• Supported, developed, and maintained multiple microservices in Java and Scala• Refactored legacy untestable Java project related to Facebook Ads (basically rewritten):== Decomposed multiple monolithic classes into testable components== Upgraded Java to version 17== Integrated Spring Boot to simplify integration testing and provide loose decoupling• Implemented reusable integration test setup for MySQL, Redis, and Kafka that was adopted across multiple repositories

Toronto, Ontario, Canada

- Worked on multiple microservice-based projects in the insurance domain- Replaced outdated UI-created Azure Pipelines with manually configured pipelines- Implemented numerous pipeline steps, including:--- Building Java .jar files and docker builds, storing images in JFrog Artifact Repository--- Running Terraform tasks to create Azure Cloud resources and HashiCorp Vault secrets- Fixed dozens critical vulnerabilities in our microservices- Configured Confluent Kafka and MongoDB in a newly created microservice- Conducted migration from Java 11 to 17 and upgraded numerous dependencies including Spring Framework- Monitored microservices and Kubernetes resources

Warsaw, Mazowieckie, Poland

- Developed a microservice-based project from scratch in the construction insurance domain- Created comprehensive API documentation using SwaggerEditor, writing over 5,500 lines of code- Designed an OracleDB schema with 18 tables and their relationships using Enterprise Architect- Implemented 80+ endpoints for database and cloud file interactions- Developed a generic mechanism to streamline logic workflow, reducing deployment time by 1 month- Integrated spring-boot-validation, exception handling, and internationalization- Implemented inter-microservice communication layer- Developed Polish document validation system via integration with governmental services- Implemented ActiveMQ Artemis for message-oriented middleware communication- Wrote unit tests (using JUnit and Mockito) and integration tests (using RestAssured and TestContainers)- Participated in countless architectural meetings to design microservices- Monitored application and conducted bug fixes

Warsaw, Mazowieckie, Poland

- Worked on a monolith project from scratch based on Azure Infrastructure- Integrated Spring Boot Security JWT logic, including sign-in and sign-up mechanisms- Implemented MailSender component for identity confirmation and communication purpose - Implemented a system for licensing and personal data registration- Created an aggregation mechanism to gather data from sensors that scan water for statistical dashboards- Wrote numerous unit(JUnit, Mockito) and integration tests(TestContainer)