Illia Khomchenko Email & Phone Number

Porto, Pt

Successfully developed and implemented a groundbreaking service aimed at facilitating fax transmission through REST API. This innovative service seamlessly integrated into the main web application, enhancing its functionality. The primary focus of the main web application is the effective management of Cisco BroadWorks infrastructure for both service providers and end-users.API Development and Testing: Spearheaded the development and rigorous testing of new APIs, utilizing tools such as Postman and JMeter. Fail2ban Configuration: Configured Fail2ban for Apache James, ensuring enhanced security measures. Events-Based System: Implemented an events-based system using Event Client for efficient communication. External API Integration: Successfully integrated the system with external APIs, enhancing overall functionality. OAuth2 Implementation: Implemented OAuth2 for secure and seamless user authentication. Performance Optimization: Proficiently debugged and optimized server response times for improved efficiency. Front-End and Back-End Bug Fixing: Addressed and resolved bugs in both the front-end and back-end components of the system. Feature Implementation: Actively contributed to the implementation of new features, aligning them with customer requirements on both the front-end and back-end. Global Integration: Successfully integrated the developed project into the main global web application, contributing to its comprehensive feature set and furthering the reach of the innovative fax transmission service.Technologies stack: Java 11, Maven, Spring(Core, Boot, Data, AOP, Mail, OAuth2), Criteria API, REST, SOLID, Mysql(Jpa, Hibernate), FlyWay, Docker, Docker-compose, Postman, Ghostscript, S3, Test Containers, JUnit, Mockito, Apache James(SMTP, Mailet), Swagger, Thymeleaf, jQuery, HTML, CSS, javaScript, Jenkins

Харьков, Харьковская Область, Украина

The project is aimed to deliver new casino integrations to different markets and support existing ones.Responsibilities:Integration of Game Providers with Backend System: Executed integration of various game providers with the project's backend system. Collaborated with provider APIs to ensure seamless operation of gaming content. Extension of Existing API in Alignment with New Business Requirements: Actively participated in developing and expanding the functionality of the existing API. Adapted the API to meet new business requirements, ensuring effective operation in different market conditions. Support for BackOffice (Internal Monitoring Service): Provided support and optimization for the internal monitoring service (BackOffice). Ensured reliable and efficient operation of monitoring services to track key project metrics. Refactoring of Code in Services and Bug Fixing: Proactively engaged in code refactoring across various project services. Analyzed and rectified errors to enhance overall system stability and performance. Improvement of Services Logic, Caching, and Response Time: Optimized the logic of service operations to enhance efficiency and reduce response time. Implemented caching mechanisms to optimize request processing and improve user experience.Technologies stack: Java 8, Kotlin, Maven, Jenkins, Spring(Core, Boot, Data, Web), REST, MySQL, Hibernate, Liquibase, BigQuery, jooq, ProtoBuf, Jacoco, JUnit, Mockito, Postman, Spring Tests, DataDog, Kibana.

Харьков

Java Advanced

▪ Spring(Begin); ▪ JUnit; ▪ Mockito; ▪ Gradle; ▪ Services; ▪ Stream API; ▪ HTTP(Begin);

Java Introduction, 7.3/10

▪Variables; ▪Fаunctions; ▪Application of methods; ▪Conditional statements.

Java Elementary, 8/10

▪Encapsulation, Data Abstraction, Polymorphism, Inheritence(multiple included), Constructor; ▪List, Map, Array, Collection; ▪Enum; ▪Inner.

Магистр, Electrical, Electronic And Communications Engineering Technology/Technician