Work experience Ultimate Billing, Inc | March 2016 - August 2019
• Head of Billing Department
• Organizing work processes
• Assessment of employees performance
• Training and supervising employees

Freelance| 2014 - March 2016
• Java desktop developer
• Backend and frontend developer Freelance| September 2019 - present
• Backend and frontend developer Recent projects
• Elaboration of KPI system for billing specialists

Description: used by supervisors to solve the task of monitoring and improving the quality of work of employees. Responsibilities and Key Accomplishments: create software, support of the project, tracking the release of new versions, expanding the functionality.

Technologies: Java, Spring, MySQL, Log4j

• Automated billing system

Description: used by medical billing company to improve the quality and speed up billing processes and payment collection. Responsibilities and Key Accomplishments: developing project with a team of developers, support of the project, tracking the release of new versions.

Technologies: Java, Spring, MySQL, Log4j

• Online store for car parts

Description: used for order creation and tracking. Supported uploading of big CSV files, user balance calculator. Also admin panel has been developed.

Technologies: Java, Spring, Spring Security, MySQL, Hibernate, Log4j

Skills
• Java, Spring, OOP
• Spring(Core, MVC, Boot, Security)
• DataBase(MySQL, PostgreSQL)
• Frontend(HTML, CSS, JS, JQuery, AJAX)
• JSON, XML • Logging(Log4j) • Testing (JUnit5, Mockito)
• Version control system (Git) • Application servers (Apache Tomcat)