• Took an active part in the development and implementation of services such as Paypal Rewards and Paypal Savings, attracting additional users and expanding payment options.• Collaborated on projects to enhance service responsiveness during payments.• Analyzed user requirements to define site objectives and envision system features.• Identified production and non-production application issues.• Transformed requirements into actionable specifications.

• Designed and developed RESTFul services, SOA• Design and develop indexing data from database into Elastic Search functionality.• Design and develop custom compiler for automation testing framework. • Developed unit test cases and integration tests.• Moved business logic from stored procedures to Java side.

• Transferring old project developed in C ++ on a new project developed on Java, monitor and change business logic in the case of behavior other than C ++ in Linux environment. • Maintained an automated test suite in Java to test the new functionality. • Analyze code to find causes of errors and revise programs as needed. • I worked with Jenkins for create and build deploy it on a dedicated server for testing. As testing tools used an internal tool PayPal, which included JUnit, TestNG.

• Participated in all phases of software lifecycle including: user-requirement analysis, high / low-level software design, and development of UI with interface to an Oracle database.• Responsibility for code refactoring, identify bugs in the system, fix the detected errors• Was also involved in the debugging of the previously developed applications• Maintained an automated functional test suite to test the above functionality.• Developed reporting system for corporate customers, made changes to existing.

• Architect the workflow of the whole project using various design patterns• Developed of individual modules payment gateways with mobile operators and Internet service providers (MTS, Beeline, Ucell)• Was a daily reconciliation with our company agents (more than 5000 agents) and providers (over 20 providers)• Developed of reporting systems for the commercial department and accounts department• The responsibilities included the development and support of the corporate site• Implementing Google Analytics in corporate web site for marketing department. • Developed and localization of the interface of the self service machine to receive payments• Also tested new firmware features on the POS terminals• Full software development life cycle, from analysis to delivery and customer acceptance, documentation and training.• Worked in the marketing department, helping clients with technical problems over the phone• Built an SMTP Java Bean to used to send emails from a form filled out by the user

• Developed of the micro finance system and adjustment to the needs of customers• Created a module to import data into the database and its maintenance• Establishing JDBC connection using database connection pool• Developed XSLT stylesheets for transformation on XML objects.