Dmytro

CO N TAC T S

Phone: [відкрити контакти](див. вище в блоці «контактна інформація»)
DMYTRO VYSHNIVSKYI
J AVA D E V E L O P E R
Email: [відкрити контакти](див. вище в блоці «контактна інформація»)
Telegram: @dvshnvsk_02
SUMMARY
LinkedIn: Dmytro Vyshnivskyi
GitHub: github.com/dmytrovb02 Java Backend Developer with 3.5+ years of commercial experience building
Location: Ukraine · Remote / Office microservices for insurance and fintech platforms. Currently at Sagax Software,
developing a CRM system for insurance business automation; previously at
T EC H N I C A L S K I L L S Andersen, building and optimizing microservices for international payments.
Proficient with Java — from legacy to modern versions (Core/JVM) — Spring (Boot,
LANGUAGES MVC, Data, Security), Hibernate, PostgreSQL, Oracle, MS SQL Server, REST API,
Java (Core/JVM, 6–25, legacy to modern),
Kafka and Docker. Focused on clean code, SOLID principles and reliable, well-tested
Groovy, SQL
services.
FRAMEWORKS
Spring Boot, Spring MVC, Spring WebFlux, EXPERIENCE
Spring Data, Spring Security, Spring Cloud,
Hibernate / JPA, MapStruct Java Developer — Sagax Software
MESSAGING & APIS Mar 2025 – Present · Kyiv / Remote
Apache Kafka, ESB, REST API, OpenAPI Product IT company building insurance business automation solutions. Project — a CRM
system for managing insurance contract sales, a key module of the platform. R&D team.
DATABASES
PostgreSQL, Oracle, MS SQL Server, ▸ Develop new features and modules for the CRM system and website.
MySQL, Redis, Liquibase, JDBC ▸ Optimize and evolve the CRM, including integrations with external services and
platforms.
DEVOPS
▸ Take part in migrating components to modern technologies and improving overall
Docker, GitLab CI/CD, AWS, Maven, Gradle
system performance.
OBSERVABILITY ▸ Design and develop microservices with Spring Boot and REST API; work with
Grafana, Prometheus, ELK, distributed PostgreSQL / Oracle and Hibernate.
tracing ▸ Asynchronous service communication via Kafka; containerization (Docker) and CI/
SECURITY CD.
Keycloak, OAuth2, JWT ▸ Follow best practices: SOLID, Clean Code, Design Patterns.

TESTING Java Developer — Andersen Lab
JUnit, Mockito, Spock Jul 2023 – Mar 2025 · Remote
TOOLS Banking / fintech — microservices for international payments.
IntelliJ IDEA, Eclipse, Git, GitHub, GitLab ▸ Built and optimized microservices for international payments.
PRACTICES ▸ Integrated external APIs; implemented messaging and event processing with Apache
Microservices, Monolith, Event-driven, Kafka.
REST, SOLID, Clean Code, Design Patterns ▸ Implemented traceability and monitoring (Grafana) for better service observability.
▸ Built reactive services with Spring WebFlux; secure authentication via Keycloak.
L A N G UAG E S ▸ Stack: Java, Groovy, Spring (Boot, MVC, WebFlux, Data, Security, Cloud), Hibernate,
MapStruct, PostgreSQL, Liquibase, Kafka, Docker, Gradle.
English — Intermediate+
Ukrainian — Native Training projects
Jun 2022 – Jun 2023
E D U C AT I O N ▸ Taxi service and cinema booking app: Java 17, Spring MVC / Security, Hibernate,
JDBC, MySQL, Maven, Tomcat.
Master's Degree — History (with honors)
National Pedagogical Dragomanov
University
2015 – 2020

ADDITIONAL

Java course — Mate academy (OOP, Java 8+,
Spring, Hibernate)
English courses — Green Forest (certificate)