Markiian Derevetskyi

Background

About Markiian Derevetskyi

My name is Markiian and I am a Senior Java/Kotlin Software Engineer with 4+ years of experience, mainly specializing in highly scalable distributed solutions and cloud-native systems. I have a strong track record of designing and implementing high-performance, reliable and cost-efficient solutions that enhance system scalability and optimize resource usage. I work with a focus on delivering maintainable software solutions, improving system performance and enhancing infrastructure efficiency through better resource allocation and autoscaling strategies. I am particularly interested in parallel computing, data streaming, high-load enterprise systems and designing resilient architectures that can handle demanding workloads. In addition to my technical expertise, I am highly focused on team collaboration, mentorship and process improvements. Approved English level: B2 : Java, Kotlin : Spring Boot, Spring Data, Spring Cloud, Spring Security : Hibernate, JDBC : PostgreSQL, MongoDB, Redis, ElasticSearch, Cassandra : Kafka, Kafka Streams, ksqlDB, RabbitMQ, ActiveMQ : Docker, Kubernetes, Helm : AWS (EC2, RDS, S3, kOps): Maven, Gradle : Git /: Jenkins, Gitlab CI : REST, GraphQL : JUnit, Mockito, WireMock, Spring Cloud Contract, Testcontainers, TestNG