Groundhog Technologies
November 2020 - March 2026
Product Manager | Lead Project Manager
- Owned full product roadmap for DSP/DMP platform across RTB ecosystem, audience targeting, and ML-powered segmentation; integrated 5 global SSP/DSP partners, growing programmatic traffic 50% and expanding inventory into 3 new verticals; led product through Google Authorized Buyer audit
- Led 0-to-1 audience segmentation platform with ML and data engineers, scoping full pipeline from user behavior crawling to real-time segmentation inference; aligned 20+ engineers on technical approach and delivery milestones, tracked via GitLab
- Restructured delivery by reducing gating points and parallelizing workstreams; launched DSP and DMP platforms across Taiwan, Indonesia, and Bangladesh 2 months ahead of schedule, processing 10B+ daily data points
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- Introduced Claude-based spec workflow (OpenSpec), reducing E2E workflow 40%; built AI-driven automated reporting pipeline replacing 2 FTEs of manual analytics work and improving on-time delivery 90%
- Designed API specifications for SSP reporting integrations; oversaw data pipeline deployment (parsing to Hive/HDFS to ClickHouse hot layer); created Grafana dashboards and BigQuery queries to monitor SSP traffic anomalies and spend discrepancies; integrated platform with 4 eCommerce partners (Shopify, WordPress, Shopline, Cyberbiz)