John Van Stralen Email & Phone Number

Mountain View, California, United States

For Samsung’s digital advertising business unit. addressed DSP performance issues for underperforming ads by using Machine Learning and A/B Testing to optimize ad placement and ensure the right ad was presented to the right person at the right time. - Identified inconsistencies about how Samsung Ads were displayed across the product line of 100+ TVs..

San Francisco Bay Area

Transformed Engineering team from 5 seed Engineers to a 60+ Engineering team that rewrote a proof-of-concept TV content recognition system into a cost-effective, scalable and reliable product offering. Managed both development and operations. Improved uptime to better than 99.99%. Team and product improvements set the company up for acquisition by Vizio in.

Emeryville, CA

We did it, we were the first to launch in Nevada and took the first ever *legal* online poker bet in the US on 4/30/13!!! We also launched in New Jersey on 11/26/13.Ultimate Gaming's bringing legal online poker and casino to the masses... well, at least Nevada and New Jersey for now with other states coming online shortly. We're proud to have launched.

San Francisco, CA

Betfair is the leading online gambling exchange in Europe, with more betting matches executed in a day then all European stock trades. Leading teams of frontend and backend engineers working with the UK teams to bring the Betfair exchange to the US market. We are rebuilding/modularizing the existing Java/Oracle backend allowing it to be configured for the.

Memeo is a leading backup and cloud storage start-up working with such companies as Seagate, Western Digital, Google, Sony and others to solve the storage, retrieval and syncing of files across the internet. My roles at Memeo consist of leading the Internet Services group that designs and implements the backend infrastructure that runs Memeo's 4 major.

Santa Clara, CA

• ConnectedTV (connectedtv.yahoo.com)
• Manage Frontend, Proxy, QA and Release Engineering teams developing media rich 10’ applications on time with a very high level of quality.
• Manage development of all Yahoo! TV Widgets (Sports, Weather, Profile, Gallery, Finance, YouTube, etc) working together with such companies as Samsung, LG, Vizio and Sony.
• Collaborated with Intel to design and implement a set-top box running their new Canmore chip powered by Yahoo TV Widgets in 1080.
• Personally coded the “Weather” widget for Yahoo! TV Widgets using Javascript/XML/JSON, the “Weather” widget is currently live on Samsung TVs.Communities Group
• Managed and mentored a team of 40+ engineers and managers developing cutting edge solutions: o Y!Groups (groups.yahoo.com) delivering > 30 million emails/day o Y!Photos uploading over 1 million photos/day o Backend.

Beverly Hills / Santa Monica / Marina Del Rey, CA

• 9th employee (2nd Software Engineer) instrumental in building one of the internet’s highest trafficked sites. Reported to the co-Founder and CTO and was responsible for front and backend development. Acquired by Yahoo!.
• Key site developer of original site, which quickly grew to the #3 highest trafficked site on the web.
• Assumed role of DBA and built up Informix database system to handle over 50 million members.
• Built backend C++ billing system to charge over 5,000 credit cards daily.
• Personally developed the world’s first online HTML text editor in C with over 2M users daily.