- LinkedIn Ads Compliance Tech Lead for consent and enforcement- Ads tracking, measurement, and attribution, with a privacy twist, incorporating Privacy Enhancing Technologies for private tracking and measurement

- Tech lead of Attribution Team for conversion tracking data collection and ROI determination for LinkedIn Marketing Solutions. - Measurement defensibility efforts for privacy-centric offsite tracking- Lead the GDPR Compliant migration for all of offsite tracking and pixel event's id graph through a joint effort with Privacy and Legal team, such as designing new storage mediums, encryption standards, and ACLs through multiple cross-functional team effort- Built 1st Party Tracking for all LMS ad types for Intelligent Privacy Prevention (ITP), while exploring multiple alternative solutions like cookieless tracking or probabilistic matching.

- Became the tech lead of the conversion tracking team. One of three original developers for Linkedin Conversion Tracking (for Sponsored Updates, Display, and others). Responsible for the design and implementation of the data ingestion, ETL, and reporting side of conversion tracking.- ETL pipeline written in Spark (V1), Scalding (V2) using Scala- Pinot OLAP database for realtime aggregation and querying- Restli / Chimera / Spring backend frameworks using Java

- Led the migration and architecture of Triggit's petabyte-scale data warehouse from hive to Redshift, rewriting the ETL (Extract-Transform-Load) process utilizing Java Cascading and Elastic Mapreduce (EMR).- Designed and develop Adserver-Eventrics, Triggit's internal realtime adserving monitoring system with a cassandra-backed datastore, Go backend server and Rails frontend, and NSQ Messaging framework.- Experimental design of Behavioral Targeting, a Machine Learning-based architecture to predict user behavior for ad selection

- Design and built the Product Feed Integration infrastructure with Triggit's clients using ruby backend, rails frontend, and cassandra datastore.- Worked with Hadoop/Hive on first generation reporting and scheduling. Developed many reports using HQL templates for billing.- Also part of the Portal UI team, the client-facing Ruby on Rails application for campaign, targeting group, and ads management.

Software developer for www.quosap.com in rails, html, and javascript technology. - UX/UI design and front-end development- Application security and accessibility- Cucumber, rspec testing, and bug fixing

- Preliminary Designer for the Harbour Road Sports Centre- MTR Diamond Hill Subway detail design- Macau Light Rail transport link modeling and analysis