Едуард

Volkov Eduard
Java Developer
T: @eduard3236volkov | E: [open contact info](look above in the "contact info" section) | M: [open contact info](look above in the "contact info" section)

Summary
Java Developer with 4 years of experience building backend systems using Java, Spring Boot, SQL/NoSQL databases,
and Redis. Strong in troubleshooting distributed systems, log analysis (Kibana), microservice integrations,
asynchronous processing, and writing integration tests using Testcontainers. Experienced with REST API design,
JDBC, Flyway/Liquibase, Docker and designing pure Java components (normalizers, handlers, cache layers). Worked
with fintech-related systems, including currency-exchange flows, booking/payment integrations, and processing
financial data in high-load environments.

Skills
Spring Java Core MinIO Hibernate REST JUnit
(Core,MVC, Kibana Flyway Maven Docker Mockito
Data JPA, PostgreSQL Liquibase Git Kafka Swagger
Boot,Security) MySQL,Oracle Redis Testcontainers MongoDB Gradle

Experience
YouTec Electronics(06/2022) | Java Developer
Developed a service for automating internal company processes, including goods receipt/expense and
reporting.
Implemented business logic for service-level operations.
Created RESTful APIs for integration with partner services and external systems.
Designed models, controllers, and routes adhering to modern REST API standards.
Wrote and optimized SQL queries; managed database migrations using Liquibase.
Developed an API for interacting with MinIO file storage.
Created integration tests using Testcontainers and Mockito.
Participated in bug fixing and conducted code reviews.
Investigated and troubleshooted production issues in a distributed environment using Kibana/ELK.
Improved reliability of microservice integrations (REST, Redis, Kafka).
Worked with asynchronous processing (CompletableFuture) and optimized performance-critical data flows.
Implemented caching strategies using Redis (cache, streams) and developed pure Java components
(normalizers, handlers, caching layers).
Enhanced system resiliency through SQL optimization, refined validation, and robust error-handling.
Worked with financial data flows and integrations (currency rates, transactional processes), contributing to
fintech-related functionalities.

NIX (08/2021 - 05/2022) | Java Developer
Developed applications using the Spring Framework.
Implemented CRUD operations in PostgreSQL and HSQLDB using Spring JDBC, JPA, and Spring Data JPA.
Developed REST controllers.Created unit tests to ensure code reliability and maintainability.

Education Languages
National Technical University «Kharkiv Polytechnic Ukrainian - native
Institute» Russian - native
Software for automated systems English - Intermediate