Jonathan Chang Email & Phone Number

Franklin Township, NJ, US

Lawrence Township, NJ, US

Eden Prairie, MN, US

Eden Prairie, MN, US

• Create forecasting models to predict optimal inventory levels for drugs and pharmacy supplies in order to increase turnover and reduce tied-up capital.
• Deployed models to detect fraud, waste, and abuse in the OptumRX pharmacy network to ensure that patients are protected. Model outputs are sent to a pharmacy audit team for further investigation.
• Helped build a security information and event management system using open source tools such as the Elastic Stack and Elastalert (created by Yelp).
• Worked on other projects related to Identity Resolution Analytics, Chatbots, Model Interpretability, frontend dashboards, and other modeling techniques.
• Big data engineering tasks using Apache Spark, Sqoop, and Hadoop Ecosystem.
• Created ETL, modeling and prediction pipelines using technologies such as Jenkins (CI/CD), Apache Airflow, and bash scripts.

Eden Prairie, MN, US

• Utilized a combination of Big Data technologies and Data Science tools such as Spark, R, and Python, and machine learning techniques, to extract dNHI healthcare data and train models to predict a cohort of members.

Eden Prairie, MN, US

• Health4Me Project – Performed daily testing of the Health4Me app against User Stories, and opened defects for any issues found. Wrote automated test scripts using Selenium and Java to automate portions of the UI.
• Cross Carrier Project – Helped identify and manage data needs for GE Pilot. Acquired, set up, troubleshot and validated test data across various systems and environments for the Cross Carrier App.

US

• Provided both in-person and over the phone customer service to patrons of Rutgers Computer Labs.
• Maintained lab equipment such as printers, computers, and projectors; Gained great communication and interactive ability.

Seattle, WA, US

• Developed and deployed an internal application and corresponding webtool to benchmark a proprietary data serialization format, evaluating the various time and space tradeoffs for typical use cases
• Guided developers in choosing the most suitable methods of encoding and accessing their business data.

North Brunswick Township, NJ, US

• Performed research with a small team on Time Division Multiple Access protocols through the use of software-defined radio. Our goal was to use USRPs (Universal Software Radio Peripherals) from Winlab’s ORBIT testbed.

Piscataway, NJ, US

• Utilized a toolkit created by J.D. Power, a global market research powerhouse, to conduct a self-evaluation of the IEEE Contact Center’s various support operations.
• Oversaw the implementation of customer satisfaction surveys for patrons of the IEEE Contact Center to assess and improve customer experience in the most important areas.
• Collected data from IEEE Contact Center’s channels of communication through tools such as Cisco Unified CCX Historical Reports and Webtrends Analytics. Compared the benchmarking results of J.D. Power-certified contact.
• Conducted research on best practices for business continuity and disaster recovery. Determined the most suitable business plans to implement with a direct impact on member experience.

Alexandria, Virginia, US

• Assisted the Collaborative Services Support Branch in daily operations, from pre-event setup to post-production editing, working with various audio/visual hardware as well as video-editing and collaboration software.
• Implemented Livestream technology: tested the physical device extensively to discover appropriate configuration settings; explored preliminary website features and design; evaluate best circumstances for usage.
• Tested and analyzed relevant software products to determine suitability; Helped develop and document a workaround method for captioning to save countless hours of tedious video editing; Strengthened teamwork and.
• Invited to return as a paid contractor to install and configure newly acquired video capture cards and construct a test environment for Helix Universal Server and Helix Media Library, paving the way for upcoming upgrade.

New Brunswick, NJ, US

• Worked with students one on one to enhance performance in various courses such as Matlab and Precalculus. Explained, reviewed, and enforced relevant concepts taught in class.
• Helped students excel in class by teaching organizational skills, preparedness, and effective self-study.

Master Of Computer Science, Master Of Computer Science, Data Science

Bachelor Of Science (Bs), Electrical And Computer Engineering And Computer Science