Java 8/11, Gosu, Guidewire PolicyCenter, SQL Server, Slf4j, Guidewire Platform, Guidewire Core, TFS, SOAPUI Responsibilities: Application for creating and maintaining insurance policies, including calculations of taxes, payments, costs. Implemented new rate books, updating rate tables, verifying previous values, and occasionally adding new forms. Investigated root causes of defects related to invalid tax calculations, NPE during quoting and other issues. Developed data-fix scripts to correct and unlock policy’s transactions from the production environments. Clarified requirements with Business Analysts and assisted Quality Assurance teams in testing complex defects. Provided support and maintenance for the product line. Documented intricate bugs and their solutions for future reference