Oleh Zahryvyi

• Developed a dataflow to put records from BigQuery into a Pub/Sub topic; • Improved JSON Streaming dataflow; • Implemented a new file-based staging approach; • Developed a solution for Data Events monitoring in GCP BigData; • Communicated with Application Owners (meeting facilitation, demo, planning, issues discussion, Enterprise Cross Team communication, and documentation ownership);

• Developed a solution for Data Events monitoring in GCP BigData; • Configured appropriate Jenkins pipelines and moved the application to Google Cloud Platform; • Developed a solution for saving Documents with a size more than or equal to 16 megabytes in No-SQL databases (AWS DocumentDb); • PingId has been added to enforce security; • Integrated DataDog tool for Cloud Monitoring and Security Management;

• Migrated customers projects to AWS; • Re-launched legacy applications on legacy environment; • Developed a solution for migration databases from legacy environment into AWS cloud; • Prepared a few approaches for dynamic secrets management; • Developed applications migration strategies; • Communicated with Application Owners (meeting facilitation, demo, planning, issues discussion, Enterprise Cross Team communication and documentation ownership); • Part of core team (discovery of new projects, estimation);

• Developed an automation test framework for android applications using Spring framework, Socket API, Google Protocol Buffers;; • Developed a cloud based software service that supports maintenance of broad telecommunication networks using Java 1.7, Spring framework, GWT, MongoDB, JavaScript and OSGi; • Investigated and developed a proposal for the mobile version of the project using Java 1.7, JSF, RichFaces 4, HTML 5 and CSS3; • Implemented a complex solution for patients caregivers and therapists;

• Developed an application for taking screenshots of other applications during working process using Java 1.7, Java Applet, JNI and JavaScript • Provided recommendations on the potential ways of project improvements for the client. • Developed a web service for creation of presentations. • Migrated and adapted an application for the mac osx.

• Integrated the most popular browser engines (Firefox and Internet Explorer into Java applications) using Java 1.6, Java 1.7, Objective-C, JNI, COM, Servlets, Applets, JSP, XML and XSD. • Developed an application for taking screenshots.

• Developed Interactive Front-Office Banking System using Java 1.5, JSP, Java Regular Expressions, XML, XSL, XSLT and Struts 2. • Implemented using of user’s certificates for urgent operations.