Ihor

CONTACT IHOR
[open contact info](look above in the "contact info" section)
[open contact info](look above in the "contact info" section)
PANCHENKO
@f3ops3 Java Developer

SKILLS PROFILE
Dedicated Java developer with an Upper-Intermediate English level and a
Java 8+: Collections, Multithreading Computer Science background. Skilled in Java, Spring and REST API
development, I specialize in building scalable, efficient backend systems
Spring:
and designing microservices-based architectures. I bring discipline,
Web, MVC resilience, and teamwork to every project, thriving in collaborative
environments.
Security
Data
EXPERIENCE
Security
SIA eWave
JWT, OAuth 2.0, OIDC
Java Developer
SAML, SASL, IDP
July 2024 - July 2025
Databases:
I was part of an Identity and Access Management (IAM) team responsible for
SQL (Postgres, MySQL) designing, implementing, and maintaining identity and access control systems.

NoSQL (MongoDB) This included managing realms and nested realm structures, users, machine
identities, roles, policies, and permissions.
Cloud / API Platforms
I worked with role-based access control (RBAC) models and both native and
Azure federated Identity Providers, using technologies such as OAuth 2.0, OpenID
Gravitee Connect (OIDC), SAML, and SASL. I was also involved in securing inter-service
communication and managing access policies across microservices.
Persistence / ORM:
My responsibilities included close collaboration with cross-functional teams to
jOOQ, JDBC, Hibernate, Liquibase clarify requirements and plan tasks, designing solutions that aligned with
Message Brokers / Cache systems business and security needs, and implementing features with a strong focus on
code quality and test coverage (95%+). I also performed thorough testing in
Kafka
development environments to ensure stability and reliability before deployment.
Redis
Testing: FICE advisor
JUnit, Mockito Java Developer

Containerization: Docker, Rancher October 2023 - February 2024

Build: Maven, Gradle, I was part of a back-end development team working on internal

Tools: Swagger, Posman systems for managing student data and events. I was responsible
for designing and maintaining relational database schemas to
VCS: Git with GitHub
support various features, including event tracking and student
Management: Jira activity records.
Methodologies: Agile (Scrum, Kanban) My responsibilities included participating in code review and
technical discussions. I focused on writing maintainable, testable
code.

LANGUAGE
EDUCATION
Ukrainian (native) Kyiv polytechnic institute
Faculty of Informatics and Computer Engineering
English (upper-intermediate)
Bachelor degree in Information technology