Євген

Yevhen Khominich
Java Software Engineer
[open contact info](look above in the "contact info" section) [open contact info](look above in the "contact info" section) [open contact info](look above in the "contact info" section) Ukraine, Kyiv

SUMMARY
Java Software Engineer with strong experience in designing and building scalable, high-performance backend systems. Skilled in
developing microservices, integrating distributed systems, and optimizing application performance. Proven ability to deliver reliable
solutions in cross-functional teams, with a focus on clean architecture, maintainable code, and testability. Continuously improving
technical expertise and exploring modern technologies.

EXPERIENCE
Java Software Engineer 01/2026 - Present
EPAM Systems
Financial Credit & Loan Management Platform project
Tech Stack: Java (8, 11), Apache Struts, Oracle, JDBC, JSP/Servlets, Ant, Git.
• Maintained and enhanced a large-scale enterprise platform for financial data processing.
• Worked with complex multi-module architecture, including core services, access management, and data layers.
• Implemented integrations with multiple external systems and third-party services.
• Developed and improved business workflows, including data processing and reporting pipelines.
• Identified, investigated, and resolved production issues and bugs, improving system stability and reliability.
• Collaborated with cross-functional teams to deliver new features and improve system stability.

Java Software Engineer (Contract) 12/2025 - Present
Atlaslive iGaming Platform
Accounting & Billing domain
Tech Stack: Java 17 21, Spring Boot 3.5.7, Gradle, PostgreSQL, Redis, RabbitMQ, Microservices, Git.
• Developed and maintained backend services for accounting and billing in a high-load, distributed platform.
• Participated in Implementing core workflows, including billing transactions reporting, user-management.
• Built reliable inter-service communication using asynchronous messaging (RabbitMQ) and caching (Redis).
• Backporting fixes and patches for critical dependencies to minimize client downtime.
• Evaluating system dependencies and mitigating vulnerabilities to ensure a secure platform.
• Ensured data consistency and correctness across distributed services handling financial operations.
• Investigated and resolved production issues, improving system stability and operational reliability.

Java Software Engineer 01/2021 - 12/2024
EPAM Systems
Wellness Platform project
Tech Stack: Java 11, Google Cloud Spanner, Guice, gRPC, Protobuf, Reactive Programming, Bazel, Microservices, Cider, Piper.
• Developed and maintained a large-scale wellness platform based on microservices architecture.
• Designed and implemented integrations between distributed systems, ensuring data consistency and compatibility.
• Improved application performance by optimizing critical workflows.
• Refactored code to enhance readability, maintainability, and test coverage.
• Collaborated with cross-functional teams to deliver high-quality features.

Java Software Engineer 03/2020 - 01/2021
Sweetcode Lab
Shop-distribution Platform project
Tech Stack: Java 11, Spring Framework, Axon Framework, Project Reactor, MongoDB, Docker, Microservices, Maven, GCP,
Kubernetes, Maven.
• Provided application support and maintenance for a shop-distribution system.
• Implemented business logic and domain-driven solutions based on evolving requirements.
• Integrated external systems (tax, tracking, and third-party services).
• Optimized batch processing to improve performance and reliability.
• Participated in debugging, troubleshooting, and production issue resolution.

EDUCATION
Master of Computer Science 09/2021 - 12/2022
National Aviation University

Bachelor of Computer Science 2017 - 08/2021
National Aviation University

SKILLS
Languages & Operating Systems & AI tools for productivity:
Java (8, 11, 17, 21), Linux-based (Chrome OS, Ubuntu), Windows, Codex, Claude, CodeMie
SKILLS
Frameworks & Libraries:
Spring Framework, Spring Core, Spring Boot, Spring MVC, Spring Data, Spring Security, Spring Cloud, Spring WebFlux, Guice,
Axon Framework, Project Reactor, JDBC, JPA, Hibernate, JSP, Apache Struts

Architecture & Concepts:
Microservices Architecture, Monolith Architecture, Event-Driven Architecture, CQRS, SAGA, Event Sourcing, OOP, OOD,
Design Pattern

Databases: PostgreSQL, MySQL, Oracle DB, Google Cloud Spanner, MongoDB, Redis, Liquibase

Messaging & Integration: RPC (gRPC), REST APIs, SOAP, Google Pub/Sub, RabbitMQ, OpenAPI (Swagger)

Cloud & DevOps:
Docker, Kubernetes, Google Cloud Platform, AWS (basic), CI/CD, Rapid, GitLab CI/CD, HashiCorp Vault, Cloudflare

Observability & Monitoring: Prometheus, Grafana, Datadog, OpenSearch

Build & Tools: Maven, Gradle, Ant, Bazel, Git, GitHub, GitLab, Bitbucket, Nexus, SonarQube, IntelliJ IDEA, Postman, DBeaver

Testing: JUnit, Mockito, Test Containers, Integration Testing, TDD

Data Formats: JSON, XML, Protobuf, CSV, Apache Avro, PDF

Collaboration & Tracking: Jira, Confluence, Task Flow, Slack, Microsoft Teams, Google Chats

LANGUAGES
Ukranian (Native) English (B2, upper-intermediate)

PROJECTS
ZNOMOVAA 08/2021 - 09/2021
Tech Stack: Firebase, Mobile Development, NoSQL Databases
• Designed and implemented the application architecture for a mobile learning platform focused on fast-track exam preparation
• Configured and integrated Firebase services (Authentication, Firestore/Realtime DB, hosting)
• Designed database schemas to support scalable content delivery and user progress tracking
• Contributed to building a structured learning program used by students for exam preparation
• Successfully supported 100+ users who completed the preparation program using the application