Евгений

YEVHENII IVASHCHENKO
JAVA DEVELOPER
[відкрити контакти](див. вище в блоці «контактна інформація») | [відкрити контакти](див. вище в блоці «контактна інформація») | Yevhenii Ivashchenko | OneWayMy

SUMMARY
Java Developer with +2 years of experience building backend systems, ranging from monolithic to scalable microservices-
based architectures. Proficient in Java 17/21, Spring Boot, Hibernate, PostgreSQL, Redis, Kafka/SQS and secure
authentication (OAuth2, Keycloak, RSA) with extensive experience in the C# ecosystem (EF Core, ASP.NET Core, LINQ).
Contributed to systems with high reliability requirements, improved database performance, and automated testing
pipelines. Consistently performed Senior-level responsibilities, driving technical excellence and team growth. Comfortable
working in cross-functional teams and communicating in English (B2).

SKILLS
Java Java 17/21, Spring (Boot , MVC, Security, C# ASP.NET Core 6.0, EF Core, LINQ, Entity
Backend JPA), REST, Apache Camel, Hibernate, Backend Framework, ASP.NET Web API, AutoMapper,
Maven, Gradle, Liquibase, GraphQL SOLID.

Databases PostgreSQL, MySQL, Elasticsearch / DevOps & Docker, AWS, Prometheus, GitHub Actions,
OpenSearch, MinIO Infrastructure GitLab CI/CD, Swagger

Messaging Apache Kafka, Redis, Amazon SQS, Grafana Testing JUnit, Mockito, Cucumber (BDD),
TestContainers, Jacoco, XUnit, Moq.
WORK EXPERIENCE
Java Software Engineer - NextCode.Tech May 2025 - Present
FinTech: Multi-Provider Payment Gateway and Transaction Management System Remote, Ukraine
Engineered and deployed 20+ microservices, integrating external payment services and providers through RESTful
APIs and API Gateway patterns.
Built and orchestrated transaction workflows using Apache Camel within Spring Boot applications.
Increased system stability and performance with Redis caching, reducing average query response time by 25%.
Implemented event-driven architecture leveraging Apache Kafka for asynchronous communication.
Established comprehensive BDD testing framework using Cucumber with Selenium WebDriver, writing 20+ feature
files in Gherkin syntax to automate end-to-end testing scenarios.
Configured and maintained Grafana dashboards and alerting rules to monitor transaction flows and critical backend
metrics.

Java / C# Software Engineer - FAANG School Jul 2023 - May 2025
EdTech: Multi-purpose SaaS Learning Management System (LMS) for diverse course creation. Remote, Ukraine
Collaborated with the AI team to design and implement a smart assistant for platform users.
Integrated an external Web IDE into the platform to make it easier for new users and increase active users.
Integrated Bizon, Bitrix24, Jira, GitHub, Amplitude, Google, and Discord to collect and analyze data.
Implemented OAuth 2.0 (Discord, Google) authentication to provide faster and easier user access.
Integrated Notion to automate course creation and synchronization, speeding up the product team’s workflow.
Developed a student flow management module and automated lesson scheduling to ensure timely content delivery.
Integrated Jira and Telegram to monitor SLA compliance and send automatic notifications to the product team.
Automated attendance tracking, access management, and email invitations to improve efficiency of product processes.
Optimized database queries to improve platform speed and user experience.
Configured file storage using Amazon S3 to ensure secure management of educational materials.
Migrated features to a new architecture following company standards to accelerate development and maintenance.
Took the initiative to restructure the project and organized regular team meetings to discuss architectural improvements.

LANGUAGES
English Ukrainian Polish
Upper-Intermediate (B2) Native Elementary

EDUCATION
Certificate in Java Software Development Oct 2022 - May 2023
Java Bootcamp Remote, Ukraine

Bachelor’s Degree in International Transport Management Sep 2014 - Jul 2018
Uman National University of Horticulture Uman, Ukraine