Сергей

Serhii Sudarykov
Java Developer
Dnipro, Ukraine
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https://github.com/pamatixxx

SUMMARY

Java Developer with strong experience in microservices, banking integrations, message-
driven systems (Kafka, RabbitMQ), and enterprise-level applications built with Java and
Spring Boot. Focus on maintainable architecture, clean code, reliability, and performance in
high load systems.

HARD SKILLS EXPERIENCE
Backend Development (Primary) Java Developer BackEnd (Pumb - Ukranian bank, company etc.
Java 8/11/17– Java Core, OOP, Multithreading, Collections, Java Valuetek)
Enterprise Valuetek| Kiev January, 2022 – current day
Spring Framework: Spring Core, Spring Boot, annotation-based Responsibilities
configuration, Dev/Test profiles Development and support of backend microservices for
REST & SOAP – design, implementation, integration banking systems.
Data Persistence: JPA, Hibernate, Querydsl, MyBatis Implementation and optimization of business logic using
Databases: SQL, MySQL (SELECT, JOIN, UPDATE, MODIFY) Spring Boot, Hibernate, and MySQL.
Formats: JSON, XML (serialization, validation) Integration of services with RabbitMQ, Kafka, and IBM
Testing: JUnit (service-level test coverage) MQ for message-based data exchange.
API Documentation: Swagger (Zalando standard) Maintenance and improvement of existing services,
including refactoring and migration to new environments.
Message Brokers / Integration Troubleshooting and resolving production issues to ensure
Kafka – producing, consuming, managing message queues service stability and reliability.
RabbitMQ – message-based communication; Spring integration Participation in CI/CD setup and deployments using
IBM MQ – ESQ/XSD schemes, message validation, reliable Jenkins and RunDeck.
delivery
Java Developer BackEnd (MirageTech - Chinese company)
Frontend Development (Secondary – Full-Stack Capabilities) MirageTech | Kiev November, 2021 – December, 2021
Angular, TypeScript – creating and supporting UI pages (2 months)
Thymeleaf – server-side HTML rendering Responsibilities
JavaScript – practical usage with Corezoid logic Product development and support.
HTML, CSS – UI debugging, rendering in pipeline Development of microservices for a mobile application
Elimination of bugs of other developers.
CI/CD
Jenkins, RunDeck, NXRepo – building and deploying services Java Developer (FullStack Angular + Java)
across environments ООО "ОМЕГА" | Dnipro April, 2021 – November, 2021
Git – branching strategy, conflict resolution, collaborative work (8 months)
Responsibilities
Product development and support.
Business Process Automation Development of a technical map, with business customers
Corezoid – creating business logic workflows for my department before starting the development of new functionality
and debugging issues in enterprise-level processes.
Leading Information Technology Specialist (ServiceDesk)
LANGUAGES AT KB "PRIVATBANK" | Dnipro December, 2017 – April,
2021 (3 years 5 months) Responsibilities Interaction with IT
specialists to analyze technical problems. Interaction with
English – B1
related support specialists. Work on improving the stability of
Ukrainian – native
the bank's complexes and services Communication with the
Russian – native
Business to improve / refine the product Finding the cause of
problems / solving problem
 EDUCATION

Udemy | Online
Course "Design patterns"
MAY 2025 (1 month)

CyberBionic Systematics | Online
Course "SPRING FRAMEWORK"
November 2021 (2 month)

CyberBionic Systematics | Online
Course "Java-Professional"
February 2021 (1month)

PrivatBank | Dnipro
Course "Java for beginners" Desember 2019 – January 2020 (2 months)

NTU "Dniprovska Polytechnic" | Dnipro
Master |Cybersecurity
2016 – 2018
NTU "Dniprovska Polytechnic" | Dnipro
Specialist | Information technology systems and security
2012 – 2016
JavaRush course (online)
Course "Java" my account https://javarush.com/users/485371