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Valerii Rulevskyi
🇧🇬Bulgaria
Created AtUpstaffer since June, 2026
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Valerii Rulevskyi — Senior Java Engineer

Expertise in Back-End Web, Front-End Web.

 Last verified on June, 2026

Core Skills

Bio Summary

  • Senior Java Engineer with 10+ years of experience specializing in Java, Spring Boot, Hibernate, and microservices architecture.
  • Proficient in full-stack development using Angular, React, TypeScript, and RxJS, with strong expertise in PostgreSQL, Redis, and cloud platforms (GCP, AWS, Azure).
  • Hands-on experience delivering scalable solutions in real estate compliance, ticket management, and corporate social networking domains.
  • Skilled in CI/CD pipelines, containerization (Docker, Kubernetes), automated testing (JUnit, TestNG, Mockito), and code quality tools (SonarQube).
  • Holds a Bachelor’s degree in Informatics and certifications in Java and Google Cloud.

Technical Skills

Programming Languages Java, JavaScript, TypeScript
JavaScript Frameworks Angular, jQuery, React
Java Frameworks Hibernate, Spring, Spring Boot
Java Libraries and Tools JDBC, Spring Data, WireMock
JavaScript Libraries and Tools NgRx, NPM, RxJs, Webpack
Security AWS Security Groups
Databases & Management Systems / ORM AWS ElasticSearch, Flyway, Hibernate, MongoDB, MySQL, Oracle Database, PostgreSQL, Redis
UI Frameworks, Libraries, and Browsers Ajax, Bootstrap 4, CSS, jQuery, Material UI
Cloud Platforms, Services & Computing AWS, Azure, GCP
Amazon Web Services AWS ElasticSearch, AWS Security Groups
QA, Test Automation, Security Apache Maven, JUnit, Mockito, TestNG
Virtualization, Containers and Orchestration Docker, Kubernetes
Deployment, CI/CD & Administration Gradle, Jenkins, SonarQube
Collaboration, Task & Issue Tracking Jira, Redmine
SDK / API and Integrations JSP Liferay, Swagger
Methodologies, Paradigms and Patterns microservices, MVC
Message/Queue/Task Brokers RabbitMQ
Other Technical Skills framework

Work Experience

Senior Java Engineer - Luxoft (Areal estate solution)

Duration: Sep 2022 – May 2026
Summary:
  • Areal estate solution that integrates with multiple broker platforms and public records systems for automated data accuracy validation and enforcement of compliance violations
  • This project aims to streamline real estate data management and ensure regulatory compliance through automation and integration
Responsibilities:
  • Implement software components according to the design specifications.
  • Perform system integration and testing, problem troubleshooting, and resolution.
  • Perform unit testing of software components.
  • Participate in estimating project efforts and delivery timelines.
  • Proactively collaborate with teammates and communicate with the Project Stakeholders to ensure that the Project efforts proceed efficiently and with predictability.
  • Provide technical input into product roadmaps.
Technologies: Java 17, Spring Boot, Hibernate, JUnit, Flyway, Swagger, Angular, RxJS, NgRx, Bootstrap, PostgreSQL, Redis, Gradle, Jenkins, GCP (GKE, Pub/Sub, Cloud Functions, Cloud SQL, Cloud Storage, IAM), Kubernetes, Docker, Microservices, SonarQube

Java Engineer - Sigma Software (Ticket management system)

Duration: May 2018 – Sep 2022
Summary:
  • A ticket management system utilized for publishing support and supply-related information for all customer products, ensuring streamlined communication and efficient issue resolution across the organization
  • The system supports customer service and internal communication by managing tickets effectively
Responsibilities:
  • Design separate components, modules, classes, database tables etc.
  • Code, debug, document and maintain portions of software.
  • Take part in estimation and planning sessions.
  • Perform peer code review.
Technologies: Java 11, Spring (Boot, Data JPA, Data Elasticsearch, Security), React, TypeScript, Material Design, Elasticsearch, RabbitMQ, PostgreSQL, Redis, Gradle, Swagger, TestNG, AWS (ECS, RDS, IAM, S3), Docker, Kubernetes, Microservices, SonarQube, Jenkins

Java Developer - Sphere Software (Integrated corporate social networking and learning management platform)

Duration: Jul 2015 – Apr 2018
Summary:
  • An integrated corporate social networking and learning management platform designed to facilitate internal training and educational initiatives within enterprises
  • The platform supports employee engagement and learning through social networking and educational tools
Responsibilities:
  • Implement new functionality.
  • Integrate with third-party external services.
  • Fix detected issues within the system.
Technologies: Spring MVC, Spring 4.0, Hibernate 4.2, JSP, CSS, Bootstrap, JavaScript, jQuery, AJAX, JDBC, Maven, MySQL, Redis, Amazon WS (EC2, IAM, RDS, S3)

Education

  • National Technical University “Kharkiv Polytechnic Institute”
    Bachelor of Informatics in Informatics
    2011 – 2015

Certification

  • Google Cloud Professional Cloud Architect
    2025
  • Oracle Certified Professional: Java SE 11 Developer
    2022

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