Novie Chiuman

Geospatial Analyst, Routing

Gojek•  June 2019 - Present•  Jakarta

Pioneered Gojek's first route efficiency system using DTW algorithm, enabling automated detection of inefficient driver routes at scale. Enhanced route similarity detection by 5% by implementing DBSCAN and hierarchical clustering on GPS trajectory data. Enhanced the accuracy of map-matched distance calculations by approximately 20% via systematic evaluations using SQL and Python, while assessing various APIs to meet the team's requirements. Led complex experimentation strategies (A/B tests, shadow mode, switchback) for routing system deployment, establishing team's experimentation framework. Managed cloud migration to MaxCompute as team PIC, orchestrating migration of ~5000 tables and executing SQL conversion. Served as interim Product Manager (Feb-July 2022), implementing scrum framework and leading food delivery ETA improvement initiatives.

Teaching Assistant

Department of Geodetic Engineering, Universitas Gadjah Mada•  August 2017 - December 2018•  Yogyakarta

Courses: Mathematical Geodesy, Database System, Digital Surveying, Map Projection System