Building a modern credit card platform and spend management system.

Built video products for families using Clojure, Swift, React, GraphQL, WebRTC and Kubernetes.

- Led engineers to migrate from Oracle Database to SAP HANA Database, solving most of incompatible SQL queries between two databases and JDBC driver incompatibility issues.- Led the development of core modules (Performance Management and Goal Management) API and integration framework.- Worked on an innovation project with group of 4 team members, acquired two patents (13/931377 and 13/931437) as result of our work.- Introduced Git into engineering team and shared knowledge and best practices across engineering teams.- Utilized TestNG Data Provider and developed home-brew tools to simplify data driven unit test and developed unit tests to increase code coverage for legacy code.- Identified and fixed most of Cross-site Scripting (XSS) issues in entire module code base (multi-million lines of code).- Migrated continuous build server from Cruise Control to Jenkins for the engineering department, which decreased build time by more than 50 percent.- Delivered solutions for numerous urgent customer-facing issues in a timely manner.

Provided software development services around Ariba Buyer, Sourcing and Analytics.