Oleg Stepanenko Email & Phone Number

Ukraine

Ukraine, Dnepr

Projects: - Messaging applications for a large UK-based company★Project Description:A large application based on a microservice architecture that acts as a proxy for messages between dozens of different services on two different platforms.★Languages: Java 18, JavaScript (React 18, AngularJS)★Environments: Backend: Spring, Hibernate, Kafka, Cassandra, Camel, JUnit, Citrus, Pact, Maven, GradleFrontend: React, AngularJSSupport & Deployment: AWS services (a lot of them), BigQuery, Data Lake integration, Microservices, Docker, K8s, Helm, Terraform★Position: Senior Full Stack Developer★Role: I was responsible / have performed the following tasks:• Development of new backend and frontend features• Bugfix and support.- Several web applications for a large UK-based company★Project Description:Development of a new integration app for few outdated apps.★Languages: Java 1.6, 1.8.★Environments: Backend: Java EE, Google Guice, Spring Boot, Hibernate, REST, JMS, JUnit, Mockito, Oracle, MavenFrontend: GWT★Position: Back-end Developer★Role: I was responsible / have performed the following tasks:• Development of new backend features.• Bugfix and support.• Partial DB optimization- Web and desktop applications for a large UK-based company★Languages: Java 1.7, 1.8, JavaScript.★Environments: Backend: Java EE, Spring 4, Spring Boot, Hibernate, Datanucleus, JUnit, Mockito, Oracle, MavenFrontend: AngularJS, HexagonJS★Position: Full Stack Software Developer- Web application for large UK-based company★Languages: Java 1.8, JavaScript.★Environments: Backend: Java EE, Spring Boot, Hibernate, JUnit, Mockito, PostgreSQL, Maven, Apache Tomcat, GITFrontend: AngularJS, NodeJS, Restangular, Karma, Protractor★Position: Full Stack Software Developer

★ Project Description: Сomplex system to manage a hospital. Payment service, notification of the patient insurance company service, medical storage for patient records and template forms, appointments, medication shop, email notification service, backup creation service, laboratory, various roles for all health staff.★ Languages: Java 1.7, JavaScript.★ Environments: Backend: Java EE, Hibernate, JDBC, JUnit, Mockito, PostgreSQL, Jackson, JasperReport, Maven, Apache Tomcat, SVNFrontend: AngularJS, Angular Material, JQuery, Restangular, HTML5, CSS3★ Position: Full Stack Software Developer★ Role: I was responsible / have performed the following tasks:• Supporting and modifying the current functionality (frontend and backend);• Development of new web application features;• Was engaged in customer support.

Днепропетровск

★ Project Description: Web application that has a very similar to typical social network functionality. Save and edit user profiles, messaging service, voting for their favorite user, the payment system. Also the mobile version and the admin panel was developed in process of development★ Languages: Java 1.7, JavaScript★ Environments: Backend: Java EE, Spring Framework, Hibernate, JUnit, Mockito, MySQL, Maven, Apache Tomcat, Apache Tiles, GIT, JiraFrontend: JSP, JQuery, HTML5, CSS3★ Position: Junior Software Developer★ Role: I was responsible / have performed the following tasks:• Supporting and modifying the current functionality (frontend and backend);• Development of new web application features;• Development of mobile version of current web application;