Olha

OLHA RYZHKOVA
Junior Java Developer

PERSONAL PROFILE WORK BACKGROUND
Java developer with hands-on Junior Java Developer
experience in building APIs, TheRaven | March 2024 - Current
optimizing backend Project summary: crypto-earning platform for gamers.
performance, and integrating - implemented new product features, enhancing platform
third-party services. functionality and user engagement
Passionate about writing - developed scalable RESTful APIs for both internal services and
clean, maintainable code and third-party integrations
solving real-world problems - optimized complex SQL queries to improve database performance
with practical solutions. - led the development of a dynamic statistics dashboard, presenting
real-time user data and platform metrics
SKILLS - integrated external APIs
- provided technical support to the support team for resolving
Technologies and
backend-related user issues
frameworks: Java Core, -

Spring, Spring Boot, MVC, Trainee Java Developer
Spring Data JPA, Akvelon Inc | March - Aug 2022
Hibernate, Spring Email, Project summary: container terminal operating system software.
AOP, REST - extended API functionality and developed new features
Databases: PostgreSQL, - worked on Liquibase scripts and database queries
MySQL, JDBC, Liquibase - wrote regression tests
Package management: Java Intern
Maven Akvelon Inc | Dec 2021 - Feb 2022
Testing: jUnit, Mockito, Project summary: task management system.
Postman - developed an application with REST approach
Logging: Log4j2 - processed user actions and DB data changes using Kafka
Documentation: Swagger - added unit tests and documentation
Apache Kafka
Containers: Docker Digital Marketing Specialist
VCS: Git, SVN, Bitbucket Zazmic Inc | Apr 2019 - Feb 2020
Methodology: Agile, Sales Manager
SCRUM PrJSC “Zaporozhye Cable Plant” | Apr 2010 - Aug 2018
Languages:
EDUCATION BACKGROUND
English (B2)
Ukrainian (native) SoftServe Academy, Feb - Apr 2023
Practical Java
CONTACT DETAILS Parimatch Tech Academy, June - Sep 2021
Java+DevOps (course)
Vinnytsia, Ukraine IT Education Academy, Dec 2020 - Nov 2021
[відкрити контакти](див. вище в блоці «контактна інформація») Java Developer (course)
[відкрити контакти](див. вище в блоці «контактна інформація») IT Education Academy, March - Apr 2020
[відкрити контакти](див. вище в блоці «контактна інформація») Basics of programming
ryzhkova Zaporizhzhya State Engineering Academy, Sep 2004 - June 2009
Master's Degree in Metallurgy

ADDITIONAL COURSES
American English Center, Zaporizhzhia
Oct 2018 - Sep 2019