Senior Java Developer
2018 - PRESENTDataArt- Developed microservices with Spring Boot, RabbitMQ, Redis, and MongoDB.
- Solved problems involving old-style architecture, moving them to a new level.
- Created a list of bash scripts to automate the development environment and reduce delivery time.
- Utilized Linux terminal sessions, session managers, terminal commands, Docker, and docker-compose.
- Created load tests for system pipe testing.
- Developed integration and end-to-end tests.
Technologies: AWS, RabbitMQ, Docker, Redis, Oracle, PostgreSQL, Spring, REST, SOAP, Tomcat, Jetty, GradleJava Developer
2015 - 2018Lipcha- Developed RESTful services for mobile and web platforms.
- Designed and developed SQLite database schema and migration module.
- Developed an Android application for the company.
- Developed an NLP analytics module to parse publicly available datasets.
- Set up development, QA, and production environments for CI/CD.
- Integrated advertisement and analytics libraries.
- Designed and developed a module for cross-platform mobile subscriptions (iOS, Android).
- Developed a website admin panel as a single-page application.
Technologies: Java, Spring, Hibernate, Maven, Gradle, NLP, Angular 4, PostgreSQL, SQLite, Android, Git, Tomcat, Nginx, AWSBack-end Developer (Remote)
2014 - 2015Sell It App- Designed and developed an API for geospatial search in some radius.
- Designed and developed a RESTful API for mobile and web platforms.
- Developed an image storage service based on Amazon S3.
- Helped to install and setup CI/CD servers.
- Integrated Openfire XMPP Server to a server-side app for real-time chats in mobile applications.
- Wrote a module for API testing under high-load operation.
- Helped stakeholders create user stories.
Technologies: Java, Spring, Hibernate, Maven, Jenkins, Openfire, MySQL, PostgreSQL, Git, Nginx, Tomcat, AWSBack-end Developer
2014 - 2015DataArt- Developed services and modules for a website.
- Integrated a third-party API for advertisement and login.
- Worked closely with product owners and the marketing team to create detailed requirements.
- Fixed website performance issues.
- Developed responsive markup.
Technologies: PHP, JavaScript, MySQL, SVN, Nginx, AWS, TeamCity
Igor Khromov
Software Developer in Kiev, Ukraine
Member since February 9, 2014
Igor is a senior Java developer with experience in back-end and mobile development. He specializes in eCommerce, marketplaces, e-learning, and natural language processing. He has also received a master's degree in computer science. He is a reliable and responsible individual who has been working remotely in the US and Australia markets for the last six years.
Igor is now available for hire
Portfolio
- DataArtAWS, RabbitMQ, Docker, Redis, Oracle, PostgreSQL, Spring, REST, SOAP, Tomcat...
- LipchaJava, Spring, Hibernate, Maven, Gradle, NLP, Angular 4, PostgreSQL, SQLite...
- Sell It AppJava, Spring, Hibernate, Maven, Jenkins, Openfire, MySQL, PostgreSQL, Git...
Experience
- JavaScript 7 years
- Java 7 years
- Spring Boot 6 years
- Amazon Web Services (AWS) 5 years
- Scrum 5 years
- Test-driven Development (TDD) 3 years
- Angular 2 years
- Elasticsearch 1 year
Availability
Part-time
Preferred Environment
IDEA, DataGrip, Sublime, MacOS, Terminal
The most amazing...
...thing I've developed is a mobile application to extend the English dictionary size for ESL learners.
Employment
Experience
- Back-end for Lipcha Apps (iOS and Android) (Development)
Web services for mobile applications:
• Sign-in (email, Google, Facebook)
• File download/upload
• Settings management
• Security
• Cross-platform subscription (iOS, Android, web) - Lipcha Android App (Development)https://play.google.com/store/apps/details?id=com.lipcha.Lipcha
Mobile application to extend English dictionary size for ESL learners.
- Back-end for Sellit App (Development)https://www.youtube.com/watch?v=dPwd84xtxr0
Led a team to create this mobile location-based application (iOS and Android) to sell and discover nearby sales.
Acquired by a big company in 2015. - News Platform (Development)https://news.artnet.com/
International art market around the clock with daily art world news, expert commentary, and event reviews.
Skills
Languages
Java, JavaScript, TypeScript, SQLLibraries/APIs
REST APIs, Amazon API, Volley Android Library, Flexbox, AWS EC2 APIStorage
SQLite, PostgreSQL, MySQL, AWS RDS, AWS S3, Elasticsearch, RedisFrameworks
Spring MVC, Spring Boot, AngularTools
AWS SES, Git, Jira, Subversion (SVN)Paradigms
Waterfall Development, Kanban, Agile Software Development, Scrum, Test-driven Development (TDD)Platforms
AWS EC2, Amazon Web Services (AWS), MacOS, CentOS, FreeBSD
Education
- Master's degree in Software Engineering of Automated Systems2002 - 2007Kharkov University of Air Forces - Kharkov, Ukraine
Certifications
- Oracle Certified Associate, Java SE 8 ProgrammerJULY 2019 - PRESENTOracle
