Konstantin90 Kozlov - Резюме Java Developer

Java Developer with 2+ years of commercial development experience and 14+ years in IT. Specializing in backend development using the Spring Framework, REST API design, and optimization of high-load systems. Consciously transitioned from system administration to development in 2023 after professional retraining. Systems thinking and a deep understanding of infrastructure enable me to create reliable, scalable solutions and effectively solve complex technical problems. Actively studying modern Java ecosystem technologies, aiming to grow to a Middle+ position in a product company.

Information Systems and Technologies Moscow University of Industry and Finance "Synergy"

Java 11/17/21, Spring Boot, Spring Data JPA, Hibernate, PostgreSQL, MySQL, Redis, Apache Kafka, Maven, Git, REST API, Liquibase, Docker, JUnit, Mockito

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After 12 successful years as a system administrator, I consciously decided to move into development. Completed intensive training at JavaRush University, created several pet projects, and started commercial Java development in 2023.
Systems thinking and infrastructure experience provide a unique advantage: I understand the full application development and operation lifecycle, can effectively interact with the DevOps team, and make architectural decisions considering production realities.
Over 2 years of development, I have shown steady growth: from supporting existing code to designing new modules and mentoring junior developers. Eager to continue growing in backend development and advance to a Middle+/Senior level.