Engineered full stack and data applications as a member in Management Information System team in support of 10 management teams for decision-making and reporting • Upgraded legacy programs from FoxPro to Python for improved performance by 75% and for compatibility with the latest operating systems • Refactored stored procedures in Oracle, achieving a 90% reduction in runtime • Implemented automated Selenium testing solution for regularly patched applications, resulting in reduced man-hours by 50% and minimized errors. • Created Hadoop MapReduce jobs using Scala and Spark SQL to process massive datasets with millions of records and established a data storage pipeline. • Migrated Hadoop jobs to a Kubernetes-based data management system • Built Spotfire dashboards for management users and data scientists

Supported the running of analytic models in the business intelligence team • Built and maintained ETLs to extract data from scheduling and customer service website, as well as marketing platforms using FiveTran streaming data services • Created mappings to ensure data matching across multiple systems • Wrote SQL queries for analytic models in collaboration with data scientists

Developed middleware applications under Salesforce Customer Relation System • Developed a client data API for customers to access data in Salesforce and a Java class for verifying record changes and running tests via the command line • Built automated tests to simulate user interactions using MuleSoft • Implemented request-response and message transformation using ActiveMQ

Prototyped a cyber security client using C#/ WPF • Integrated Microsoft Azure Face API to allow face recognition during login • Added token authentication, key generation and password transformation

Implemented big data visualization and managed server setup • Designed and implemented dashboards for machine log data using Kibana • Conducted redundancy tests and managed multiple Ubuntu virtual machines for interdependent applications

Developed cloud-based web applications • Engineered backend under Laravel framework using PHP • Implemented UI/UX designs with JQuery/Ajax/Bootstrap

Validated software functionality in a quality assurance team • Performed manual and automated tests under an Agile environment • Implemented data driven tests for databases on Oracle and Microsoft SQL Servers