Contact information

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Work experience

Java developer

from 07.2023 to now (2 years 9 months)
StakeLogicLive, Дистанційно (IT)

Designed and developed roulette microservices from scratch using Java 17-21 and Spring Boot. Analyzed requirements and worked closely with PAR sheets, engaging in direct communication with clients, mathematicians, and management. Responsible for building volume estimations for complete projects and improving the current project architecture to ensure high availability. Actively applied TDD practices.
Tools: Java 17-21, Spring Boot, Kafka, PostgreSQL, Hibernate, JUnit5, Mockito.

Java developer

from 03.2020 to 07.2023 (3 years 5 months)
Lionwood.software, Львів (IT)

Built backend architecture for E-commerce platforms, configured CI/CD pipelines, integrated AWS S3. Developed API structures and implemented CRUD operations for domain entities in ERP systems. Defined DB architecture and maintained direct stakeholder communication. Integrated third-party payment systems (Skrill), AWS Cognito, and Shopify.
Tools: Java 11, Spring Boot, AWS, Azure, MySQL, Docker, Jenkins, WebSockets, Kafka.

Java developer

from 03.2018 to 03.2020 (2 years)
New Tribe Agency, Львів (IT)

Virtual football tournaments app: Built a complex state-machine system for online FIFA tournaments handling pre-tournament registrations, live brackets generation, and post-tournament statistics calculation.

E-commerce Platforms: Developed backends and CRM/CMS systems for an online jewelry store and a flower selling platform connecting 5 sub-projects. Integrated Adyen payments.

Education

Lesya Ukrainka Volyn National University

Educational and Scientific Physics and Technology Institute, Луцьк
Higher, from 2005 to 2010 (5 years)

Master's degree. The curriculum was heavily focused on analytical thinking, mathematical modeling, and technology. This deep technical foundation helps me build complex algorithms and highly scalable systems today.

Knowledge and skills

• Java
• Spring boot
• Spring Framework
• MySQL
• IntelliJ IDEA
• Hibernate
• Docker
• Java Core
• JUnit
• Git
• SQL
• Apache Maven
• Apache Kafka
• Microservices
• AWS
• PostgreSQL
• Kubernetes
• REST API
• Знання принципів TDD

Language proficiencies

• English — above average
• Ukrainian — fluent

Additional information

Result-oriented Senior Java Developer with over 7 years of commercial experience in designing, building, and maintaining highly scalable backend systems and microservices. Strong expertise in modern Java (11/17/21), Spring Boot, and message brokers (Apache Kafka). Proficient in cloud infrastructure (AWS) and CI/CD pipelines (Jenkins, Docker, Kubernetes). Experienced in full SDLC, direct client communication, architecture design, and project estimation. Deep domain knowledge in Casino & Gambling, E-commerce, and ERP systems.