Андрій

Andrii Maksymchuk
Senior Java Developer
[open contact info](look above in the "contact info" section) Kyiv, Ukraine [open contact info](look above in the "contact info" section)

Profile
Senior Java Developer with 8+ years of experience designing and implementing enterprise backend systems
based on service-oriented and microservices architectures (SOA/ MSA). Experienced in developing scalable
distributed services, integration platforms, and high-reliability backend solutions across fintech domain.
Strong expertise in Java and Spring ecosystem, RESTful APIs, database design and optimization, and
enterprise integration patterns. Hands-on experience deploying containerized services using Kubernetes and
Helm. Committed to building maintainable architectures, improving code quality, and delivering reliable
production-ready software in collaborative development teams.

Employment History
Senior Java Developer, Ukrsibbank 02/2022 – 03/2025
Projects description: Enterprise solutions for issuing loans and preventing fraud Kyiv
Tools and Technologies: Java Enterprise Edition, Quarkus, Spring Framework,
Hibernate, REST, Wildfly, Oracle Database, Docker, Kubernetes, Helm, Apache Kafka,
GitLab CI/CD, AWS, GitHub Copilot
Responsibilities and achievements:
Designed and implemented backend components for enterprise banking systems
•

supporting internal financial operations.
Developed and customized customer-specific banking software solutions aligned
•

with business requirements and regulatory constraints.
Automated internal banking workflows and processes to reduce manual
•

operations and improve operational efficiency.
Contributed to modernization of legacy applications, refactoring existing modules
•

and improving maintainability and performance.
Implemented and maintained Kubernetes and Helm deployment configurations
•

for backend services.
Collaborated with cross-functional teams including analysts, QA engineers, and
•

DevOps to ensure reliable delivery of new features.
Designed and implemented an automated data archiving process from scratch,
•

improving database performance and ensuring compliance with data retention
requirements.

Java Developer, Ukrsibbank 05/2019 – 02/2022
Projects description: Enterprise solution for issuing loans, solution for managing Kyiv
users credit score
Tools and Technologies: Java, Hibernate, Spring Framework, Tomcat, SQL, PL/SQL,
REST, RPC, Docker, Grafana, Prometheus, JasperReports, Linux, Bash
Responsibilities and achievements:
Developed and maintained banking software applications, delivering new
•

features and enhancements in an Agile environment.
Designed, developed, and customized customer-specific business solutions to
•

meet unique operational requirements.
Develop and customize customer-specific business software solutions
•

Designed and developed a reporting system from scratch, automating report
•

generation and improving data accessibility across the organization.
Performed database schema and table optimization
•

Designed, developed, and optimized SQL queries and stored procedures for high
•

performance data processing.
Led the migration of legacy SOAP-based integrations to RESTful APIs, improving
•

maintainability and interoperability.

Junior Java Developer, Ukrsibbank 01/2017 – 05/2019
Project description: Enterprise solution for managing revolving credit cards Kyiv
Tools and Technologies: Java Enterprise Edition, JSP, JSF, Hibernate, REST, SOAP,
Tomcat, SQL, PL/SQL, Linux, Bash
Responsibilities and achievements:
Developed and maintained banking software applications, implementing new
•

features and resolving defects.
Customized and enhanced customer-specific business solutions to meet
•

functional and operational requirements.
Participated in the automation of banking processes, reducing manual effort and
•

improving operational efficiency.
Developed and maintained RESTful and SOAP-based APIs for integration with
•

internal and external systems.
Optimized SQL queries and database operations to improve application
•

performance and data processing efficiency.

Business Analyst, Ukrsibbank 05/2016 – 01/2017
Project description: Enterprise solution for online banking Kyiv
Tools and Technologies: Jira, Confluence, UML, SQL
Responsibilities and achievements:
Prepared detailed functional and technical specifications to support
•

development teams in delivering business solutions.
Translated business needs into clear, structured requirements, ensuring
•

alignment between stakeholders and engineering teams.
Conducted functional, system, and user acceptance testing (UAT) to validate
•

delivered solutions against business requirements.
Participated in requirement gathering sessions and ensured end-to-end
•

traceability from requirements to implementation.

Education
Doctor of Philosophy (Ph.D.) in Educational Science, 09/2025 – Present
Kamianets-Podilskyi Ivan Ohiienko National University Kamianets-Podilskyi

Master of computer systems researcher, computer systems analyst, 09/2015 – 06/2016
National Aviation University Kyiv

Bachelor of computer engineering, National Aviation University 09/2011 – 06/2015
Kyiv

Areas of Expertise
Java Spring
Quarkus Docker
Kubernetes Apache Kafka

Languages
Ukrainian English