Yaroslav

YAROSLAV BOIKO
JAVA DEVELOPER

CONTACTS PROFILE SUMMARY
Tel: [открыть контакты](см. выше в блоке «контактная информация»)
Experienced Java Developer with 3+ years of experience in building scalable,
Email: high-performance applications. Skilled in backend development.
[открыть контакты](см. выше в блоке «контактная информация») Proficient in Java, Spring Framework, Hibernate, and database management.
Telegram: @yaroslav_bo Passionate about writing clean, efficient code and optimizing system
LinkedIn: Yaroslav Boiko performance.
Industry experience includes SaaS, FinTech, E-Commerce.
Romania, Bucharest

SKILLS EXPERIENCE
Java 8+, Tomcat, JDBC, Maven Backend Developer | PetPace JUN 2025 - MAR 2026
Hibernate, JPA, JUnit Technologies: Spring Boot/Data/MVC/Security, MongoDB, Angular, WebSockets,
AWS.
Spring MVC/Security/Boot
MySQL, PostgreSQL, BigQuery Designed and developed backend services for a telemedicine platform enabling
real-time video and chat communication between pet owners and veterinarians
Microsoft SQL Server, MongoDB
Integrated Amazon Web Services services, including AWS Chime SDK for video
PHP 5+ conferencing and messaging
HTML, CSS, JavaScript, Angular Implemented media recording pipelines using AWS Chime Media Pipelines with
storage in Amazon S3
TDD, SOLID, DRY principles
Configured access control and permissions using AWS IAM roles and policies
OOP, Design patterns Built RESTful APIs with Spring Boot for session management, chat, and video
Git/Github/GitLab communication
Designed data storage using MongoDB for sessions, chat history, and metadata
PM software: Trello, Jira
Implemented real-time communication via WebSocket
Basic Linux Developed authentication and authorization mechanisms using JSON Web
IntelliJ IDEA Token (JWT)
Used Angular to build internal test interfaces for validating complex user
Postman, Swagger
interaction flows
Docker, AWS Set up containerization with Docker and automated CI/CD pipelines using
GitHub Actions
Deployed and maintained applications on AWS infrastructure

LANGUAGES
English: Intermediate Java Angular Full Stack Developer | Ingenios.ro MAY 2023 - DEC 2024
Ukrainian: Native Technologies: Spring Boot, Spring Data, PostgreSQL, Angular, JHipster,
Russian: Native Microsoft SQL Server, Java 8+, IntelliJ IDEA, JSP Page.
Developed backend and frontend solutions for key features of internal products
and client projects.
EDUCATION Participated in the full lifecycle of creating new features and modules: from
Java course at Mate academy, 2022. design to implementation.
Implemented cutting-edge technologies, leading to a significant reduction in
Odessа Polytechnic National
code volume and simplification of its structure.
University Enhanced code maintainability and readability through the application of
Department of Information modern development practices.
Technologies Optimized SQL queries for a Moldovan state healthcare appointment web
system, enhancing performance despite challenges posed by complex legacy
code and limited refactoring opportunities.
Full Stack PHP Developer | Nordfx.com APR 2018 - APR 2023

Technologies: PHP, MySQL, JS(JQuery), CSS, HTML, Rest API, Postman,
GitLab.
Developed new features across both frontend and backend systems.
Provided ongoing support for company websites, including the public site and
the client personal account system.
Integrated third-party resources and services using APIs.
Performed code refactoring and maintenance for existing company websites to
improve quality and performance.

PHP Backend Developer | Heatherglade Game Studio DEC 2016 - APR 2018

Technologies: PHP, MongoDB, MySQL, Rest API, Google BigQuery,
Postman, GitLab, PHPStorm.
Contributed to the backend development for mobile gaming applications.
Developed and implemented data parsing solutions to extract information
from Facebook and Adjust platforms.
Aggregated and consolidated data from multiple sources into a centralized
repository for marketing analysis.

Full Stack PHP Developer | PRCode Web Studio NOV 2014 - DEC 2016
Technologies: Chrome Developer Tools, Model-View-Controller (MVC), JSON,
MySQL, PHP, Git, AJAX, jQuery, JavaScript, CSS, Twig, HTML5, Adobe Photoshop.
Successfully developed and launched websites for diverse project needs.
Delivered solutions ranging from simple business card websites to more
complex platforms like car/apartment rental portals and full-featured online
stores.