Vadim

VADIM BOBYLOV
SOFTWARE DEVELOPER

PROFESSIONAL SUMMARY CONTACT
Experienced Software Developer with over 5 years of professional Phone: [відкрити контакти](див. вище в блоці «контактна інформація»)
experience in designing and developing high-performance, scalable Email: [відкрити контакти](див. вище в блоці «контактна інформація»)
applications. Strong focus on backend development with solid hands-on LinkedIn: [відкрити контакти](див. вище в блоці «контактна інформація»)
experience in frontend technologies. Passionate about clean code,
automation, and delivering reliable solutions for complex business needs.

TECHNICAL SKILLS
Languages & Frameworks:
• Java 8–21 (SpringBoot, Spring MVC, Spring Data, Spring Security)
• Kotlin (Spring, Quarkus)
• Python (FastAPI)
• JavaScript (Angular)

Databases & Persistence:
• PostgreSQL, MySQL, Redis, Liquibase, JPA/Hibernate

Messaging & Integration:
• Kafka, RabbitMQ, REST, GraphQL, WebSockets, SSE

DevOps & Tools:
• Docker, Docker Compose, Git (GitLab/GitHub), CI/CD pipelines
• Maven, Gradle, JUnit, Testcontainers
• Keycloak (Auth, OAuth2/OpenID Connect)
• Prometheus, Grafana, Spring Actuator

Cloud & Infrastructure:
• AWS (S3, SQS, SNS)
• Minio

Architecture & Practices:
• Microservices, CQRS, Monolith
PROFESSIONAL EXPERIENCE
Java Developer - Infinity Technologies AG
September 2023 - Present | Full-time

• Developed and maintained backend services using Quarkus, PostgreSQL, Spring Framework, and Keycloak.
• Worked extensively with Java and Kotlin to build scalable and secure systems.
• Optimized system performance through database query optimization and architectural improvements.
• Team: 2 fe (1 middle, 1 junior), 2 be, pm, ba, qa, 1 designer, tech lead

Fullstack Developer - Chat Space
July 2022 - August 2023 | Full-time

• Developed backend services using Java, PostgreSQL, and Spring Framework.
• Built frontend interfaces with Angular, ensuring seamless integration with backend services.
• Improved system scalability by integrating Redis and enhancing data handling.
• Team: 2 fe, 2 be, pm, ba, qa, designer

Java Developer - Infinity Technologies AG
June 2020 - July 2022 | Full-time

• Built and maintained Java-based applications with Spring and Quarkus frameworks.
• Led the migration of database schemas using Liquibase, ensuring data consistency and system stability.
• Worked closely with stakeholders to deliver reliable and efficient software solutions, utilizing JavaScript
for frontend components when needed.
• Team: 3 fe (1 middle, 2 junior), 2 be, pm, ba, qa, 2 designer, tech lead