Senior Software Engineer with more than 6 years of commertial experience. I have excellent knowledge in backend development on Java. In general worked with monolitic, microservice and serverless arthitectures. Big part of my acitities is open-source.

• creator of Javarush Community and Template Repository organizations.
• creator and author of romankh3 telegram channel. Subscribe to recieve messages about my open-source activities.
• Write posts about software development.
• Improving my algorithms skiils on leetcode

• Java/Kotlin/Groovy/COBOL languages
• MySQL, PostgreSQL, MongoDB, Aurora, DynamoDB, Flyway, Liquibase
• Spring Framework, Spring Boot, Spring Test, Spring Data Jpa, Spring Jdbc template, Spring Cloud Contract and so on...
• Camunda, Camunda Cockpit, Camunda Modeleter
• GitHub/GitLab/Gerrit/Bitbucket

• image-comparison - Published on Maven Central Java Library that compares 2 images with the same sizes and shows the differences visually by drawing rectangles. Some parts of the image can be excluded from the comparison.
• JavaRush TelegramBot - JavaRush Telegram bot from the community to the community
• Skyscanner Flight API client - Published on Maven Central Java Client for a Skyscanner Flight Search API hosted in Rapid API
• Flights-monitoring - Application for monitoring flight cost based on Skyscanner API

I always wants to share my experience, what's why I wrote post about writing resume on GitHub. This post is available on english and russian versions:

• EN: Writing a resume on GitHub. A short guide
• RU: Пишем резюме на GitHub. Краткий гайд