google > google Employee Directory > William Chang
william-chang-18a30570
Last updated: Yesterday
William Chang's Personal Email and Phone Number
Find unlimited person contact information for free with noon.ai.
William Chang
Senior Data Engineer
Find email
(free lookup!)
Find phone #
(free lookup!)
Location: San Francisco Bay AreaApprox. Years of Experience: 25
William Chang's Current Workplace
Google
Company Size
2500+
Amount Raised
$26.1M
A problem isn't truly solved until it's solved for all. Googlers build products that help create opportunities for everyone, whether down the street or across the globe. Bring your insight, imagination and a healthy disregard for the impossible. Bring everything that makes you unique. Together, we can build for everyone.\n\nCheck out our career opportunities at goo.gle/3DLEokh
Show more
Notable Investors
Sequoia Capital, Jeff Bezos, Kleiner Perkins, Andy Bechtolsheim, Ram Shriram
Google
UX Design
Product Management
Software Engineering
Experience
Senior Data Engineer
Google · Contract
Apr 2018 - Present
7 yrs 2 mos
Worked in Shopping Insights project at Google. Shopping Insights helps retailer understand what shoppers want. It graphically displays what products and brands are popular, trending up or down, and how they vary by region with using time series analysis. The shopping Insights data contain over 55,000 products and 45000 brands in 5000 categories across the US. Allowing subscribers to create up to 10 weekly and monthly email reports for the products and categories they are interested in. • Discover and present data findings to other scientists, designers, and product managers at various levels. • Design and deploy ETL pipeline with Python and SQL to translate complex data into deeper insights report. • Create visualization tools and dashboards for quality monitoring. • Build and deploy Datastore and application on Google Cloud Platform.
Data Science Researcher
Hsing Wu University
Feb 2006 - Jan 2018
12 yrs
• Analyzed the risk of disease and prescription drug using quantitative research and statistical inference from large datasets (200G). • Identified the correlations between pairs of disease and gene using Hadoop spark technology (10 times faster than sequential program). • Construction of a visual disease network and a interactive literature search system using natural language processing (including text data of 400,000 PubMed abstracts article). • Discovery, assessment of novel data sources to improve predictive capabilities. • Performed data cleaning/analysis/mining using Python and R. • Implemented machine learning and deep learning strategies to build data models. • Led a research team with 5+ graduate students, provides advice and monitors performance.
Software Quality Assurance Engineer
Lucent Technologies
May 2000 - Sep 2001
1 yr 5 mos
Education
  • Dates unavailable
    Argosy University Orange CountyDoctor of Business Administration, Information Technology
  • Dates unavailable
    Boston UniversityMaster of Science (M.S.), Computer Science
  • Dates unavailable
    The Ohio State UniversityBachelor of Science (B.S.), Chemical Engineering