Матвій

Roienko Matvii Antonovich
Middle Java Developer
Contact Information
[відкрити контакти](див. вище в блоці «контактна інформація»)
Telegram: @ImplLife || or by phone number
[відкрити контакти](див. вище в блоці «контактна інформація»)
Ukraine, Dnipro region, Remote

Summary
I'm an experienced Java developer with diverse technical experience, able to solve complex tasks and adapt to different projects. I'm
constantly interested in various technologies. I'm ready to take on challenges, expand my skills, and make meaningful contributions to your
projects.
My English level is intermediate, but I haven't used it much. Currently, I'm taking classes to improve my English skills.

Tech Skills
 Java 7, 8, 11, 17
 Spring framework (Core, Boot, MVC, Web, Data, Security)
 SQL, PostgreSQL, Oracle DB, JDBC, Hibernate
 HTML, CSS, JS, React, TypeScript
 AWS (EC2, RDS, S3, Lambda, MSK, etc.)
 REST API, SOAP API, Socket
 Maven, Gradle
 SVN, Git, CI/CD
 Kafka, Docker, Kubernetes
Education
 Kamianske Metallurgical College (2015 - 2019) & Dnipro University of Technology (2019 - 2022) Electrical Engineer
 FoxmindEd & Sergey Nemchinskiy Java Developer
 Self-study (~2016 - now) Java Developer, and another

Experience
 Collaborated on freelance projects for approximately 7 months, working closely with a front-end developer
in a paired programming setup.
 Java Engineer in ISD Ltd. (2 years) → The healthcare industry
 Design, development, and optimization of high-quality code.
 Resolving bugs, incorporating enhancements, and actively participating in code reviews.
 Collaborate with QA engineers to develop high-quality product. Write unit and integration tests.
 Collaborate with the Support team for quickly understanding and resolving problems.
 Mentored beginner programmers and QA for 5 months on educational project.
 Managed various tasks, including providing architectural guidance.
 Conducted thorough code reviews.
 Assisted newcomers in understanding and completing tasks.
 Mentored beginners in using systems like Jira and Git.
 Middle Java Developer in Nayax (1 year) → Retail
 Implementing complex requirements using best practices and clean code principles. As well as the development of individual
solutions for individual tasks.
 Collaborate in code reviews to uphold coding standards, ensuring high-quality code and promoting the exchange of
knowledge among team members.
 Offering guidance and support to support personnel in resolving technical issues efficiently.
 Performance improvements: Implemented certain solutions to improve the performance of certain parts of the application
and the backend.

Accomplishments and Projects
I have been developing two my own projects on Java (2D game) and Android application for advanced management personal finances.