Oleksandr ErzhanovOE
Open to opportunities

Oleksandr Erzhanov

@oleksandrerzhanov

Senior Java Engineer with expertise in microservices development

Poland

What I'm looking for

Seeking a challenging role that leverages my expertise in Java software development, microservices, and cloud technologies to drive innovation and growth.

As a seasoned Java Engineer, I bring a wealth of experience in microservices development, with a strong background in Java software development, Spring Framework, and hands-on experience with Terraform modules, variables, and state management for maintaining infrastructure configurations. My expertise extends to AWS services, including SQS, SNS, RDS, S3, and Lambdas, as well as RESTful API design and implementation.

I have a proven track record of delivering high-quality solutions for e-commerce, financial, and travel companies, with excellent interpersonal and problem-solving skills. I thrive in collaborative environments, actively working with customers to brainstorm solutions, plan events, and conduct knowledge transfers and demo sessions.

With a strong foundation in Agile methodologies, including Scrum and Kanban, I am well-versed in a range of technologies and tools, including Java, Kotlin, Gradle, Maven, Spring Boot, Hibernate, MySQL, MSSQL, PostgreSQL, MongoDB, Kafka, AWS SQS, AWS SNS, Terraform, Jenkins, Docker, JUnit, Mockito, Postman, and JProfiler.

Experience

Work history, roles, and key accomplishments

DA
Current

Senior Java Software Engineer

DataArt

Feb 2022 - Present (3 years 3 months)

Developed, tested, and maintained cloud-based applications using AWS technologies. Implemented DevOps practices using Terraform and Docker to deploy applications to AWS and other cloud platforms.

DA

Java Software Engineer

DataArt

Jan 2020 - Feb 2022 (2 years 1 month)

Designed and improved SQL queries and DB schema. Developed new business functionality and replaced old integration with internal web service.

ES

Java Software Engineer

EPAM Systems

Aug 2020 - Dec 2020 (4 months)

Designed and improved SQL queries and DB schema. Developed main business functionality and performed integration with internal web service system.

ES

Java Software Engineer

EPAM Systems

Aug 2018 - Apr 2020 (1 year 8 months)

Developed new business functionality and designed a new API. Performed unit/integration testing and refactored already implemented code.

Education

Degrees, certifications, and relevant coursework

Oleksandr hasn't added their education

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Oleksandr Erzhanov - Senior Java Software Engineer - DataArt | Himalayas