Java Developer

Experienced Senior Java Developer with expertise in Spring and microservice architecture, specializing in fintech and logistics. Successfully worked in multicultural environments. Proficient in Java 6/8/11, Kotlin, Spring Boot, Hibernate, and various databases. Strong skills in versioning, deployment, and integration tools. Previous experience includes roles with responsibilities ranging from code migration to documentation and code review.

Thales / Senior Java Developer From 06 2023 - 05 2025, Prague, Czech Republic

Tasks performed: ● Managed migration of hall system including internal libraries from Java 8 to Java 17 ● Increased code quality based on SOLID principles ● Implemented features for asynchronous interacting services via RabbitMQ
● Code review ● Setup deployment configuration via Ansible
● Provided improvement for workflow model with Flowable ● Working on integration with Keycloak ● Provided documentation for different features

AEVI / Java Developer From 04 2022 - 04 2023, Prague, Czech Republic

Tasks performed: ● Migrated project from Java 8 to Java 11 ● Petrified code quality based on SOLID principles ● Implemented subproject to provide flexible thin client to manage db tables on GUI ● Code review ● Provided integrational tests for Loom with PostgreSQL database ● Prepared SQL scripts for creation PostgreSQL database for Loom

Datas Technology / Senior Java Developer 09 2020 - 07 2021, Kyiv, Ukraine

Tasks performed: ● Implemented service which was responsible for suppression of anomalies
● Analyzed code issues based on kubernetes logs ● Improved code quality in unit tests ● Wrote documentation for new feature for suppression and consolidation ● Code review ● Provided integrational tests
● Wrote design for data model

Ciklum / Java Developer 07 2019 – 07 2020, Kyiv, Ukraine

Tasks performed: ● Expand liquibase changesets
● Implemented microservice for calculation settle amount based on formula represented like String ● Used Jmeter for load testing for “currency” microservice ● Participation in discussion with client of new service implementation which calculates settle amount ● Implemented new web service from zero which calculates settle amount ● Implemented reactive approach to interact with DB
● Added Swagger for documentation of endpoints

TomTom / Java Developer 05 2018 – 06 2019, Łódź, Poland

Tasks performed: ● Setup configuration in Azure ● Wrote documentation for new feature ● Wrote POC application ● Code review

Lardi trans / Java Developer 09 2016 – 04 2018, Kharkiv, Ukraine

Tasks performed: ● Developed software for logistics company ● Implemented new features and functionalities ● Conducted code reviews ● Collaborated with team members on various projects