- Platform Engineering and DevOps
Created first production Java-based web services for delivering recommendations, and receiving and storing tracking information for recommendations delivered and viewed. Responsible for protocol design of the tracking information, instrumentation, unit and performance testing, configuration, and deployment of these services, as well as maintenance of environment on which web services were deployed.
Maintained tools for providing reports on the calibration quality of the IRT psychometric models used in student math and verbal assessment. Continuously monitored and addressed issues related to the student assessment service for the Knewton test preparation platform. Performed on-call operations support duties as Production Support engineer at least 28 days per year.
Team Lead on Data Science, Analytics
Responsible for tracking and analyzing data inputs and recommendation service outputs for validating recommendation quality and correctness based on agreed upon rule-sets and business logic. Mentored team of two analysts responsible for responding to issue reports with Knewton's key business partners and content providers. Managed team of two engineers by performing iteration planning as one of four Team Leads.
Developed analytics tools for student progress on-track/off-track indicator, and student cohort clustering and analysis. Interviewed candidates and collaborated in developing screening criteria for recruiting data science team. Helped specify and contribute to the proficiency and scoring models for the recommendation service. Developed visualization tools for the concept prerequisite graph.
A Hack Day winner for contributions made to simulating students working through a knowledge graph.