Walter Hsueh's Email Addresses & Phone Numbers

📖 Summary

- Technical and hands-on Engineering Manager - Expert designer of robust, scalable, and secure back-end web service and API architectures. - 14 years' experience in internet-scale web server/services development. - 8 years' experience in Engineering Management with full hiring, promotion, and performance mgmt responsibilities. - Expert Knowledge of Java, Spring MVC, C/C++, and C# - Proficient Knowledge of iOS and Objective C, Android, AWS/EC2, Hadoop/HBase, ffmpeg, and video transcodingSenior Manager, Software Engineering - I am HIRING! @ - Engineering Manager of Yahoo Ad Manager Plus, the Demand Side Platform (DSP) of Yahoo's AdTech. - DSP features: campaign management, reporting, pixel conversion/retargeting, creatives creation & management, and self-serve advertiser accounts. - Technology Stack: Java (backend/API), JavaScript/Ember. - I am hiring for frontend and backend positions for engineers with 4+ years of experience! Contact me on LinkedIn or at [email protected] No agencies or recruiting firms, please. From June 2015 to Present (6 months) Senior Manager, Software Engineering @ - My engineering team (19 direct reports) has primary responsibility for the content inflows of articles, news, videos, and blogs that appear across all Yahoo sites (Yahoo.com, News, Finance, Sports, etc.). - Engineering manager of content ingestion/acquisition systems and Yahoo's primary content storage systems (Cassandra, HBase). - Notable partners that I and my engineers directly work with: CBS, Business Insider, AP, VEVO, Eurosport.com, ABCNews/GMA, LiveNation, VOX Media, CondeNast, and many others. - I also manage the systems for Tumblr ingestion to Yahoo and syndication of Yahoo content to Tumblr. - Developing on the following Java technologies: Storm, Spring, Jersey, JBPM. From March 2014 to Present (1 year 9 months) Engineering at AVOS and MixBit @ - Principal Architect for MixBit backend platform: REST API's, DB schema, authentication & security, OAuth, Notifications (APNS, Google Cloud Messaging) and scalable video transcoding/stitching service. - MixBit Mobile Architect for both iOS and Android: authentication & security, REST API layer, OAuth (FB, TW, G+) integration, Notifications, and video uploader - Submitted MixBit iOS to AppStore, plus multiple updates. - Designed and implemented Delicious REST API backend platform for both web and mobile - Designed, implemented and submitted Delicious iPhone & iPad app to AppStore, plus multiple updates. From June 2012 to February 2014 (1 year 9 months) San Francisco Bay AreaCo-Founder and Principal Systems Architect @ - Co-Founder of a Khosla Ventures and Google Ventures funded startup in the mobile space for selective sharing of photos and video. - Designed and implemented: a NoSQL backend in HBase, video transcoding service using xuggler/ffmpeg and Amazon SQS, and a scalable Apple Push Notification server. - Primary responsibility for scalability, storage, core business logic, and mobile device API's - Technical Lead for iOS team: myself plus 4 developers (two offshore). From September 2010 to June 2012 (1 year 10 months) San Francisco Bay AreaPrincipal Development Lead @ - Engineering manager for Hotmail web server development. Hotmail is written in C, C++, C#, and HTML/JavaScript/CSS. - SSL: architect of Hotmail's SSL implementation (patent pending) and coordinated the SSL onboarding effort across all *.live.com teams within Microsoft. - Primary responsibility for shipping 20+ major and minor releases of Hotmail - Directly managed organizational teams of 4-13 reports that built the following features: conversation threading web services, photomail, large attachment uploads, contacts features, mail forwarding user interface, vacation replies user interface, aggregation of external POP accounts. - Features that I wrote: Hotmail's search query parser, spell check, email categorization engine infrastructure, international languages support, 64-bit OS support, and end-to-end SSL From 2007 to September 2011 (4 years) Senior Development Lead @ - Myself and the engineers reporting to me designed and implemented the beta and shipping versions of "Windows Live Hotmail" on the ASP.NET platform in C#. - Principal designer and implementer of Hotmail's AJAX/UI framwork and asynchronous server architecture - AJAX framwork: I invented a technology that proxies C# API's and object models into JavaScript (patent pending). The framework supports Test-Driven-Development by also generating "reverse proxy" stubs which allows each AJAX-ifed C# API to be fully tested. - AJAX platform adopted by other Microsoft product teams. From 2004 to 2007 (3 years) Software Design Engineer @ - Lead a 3-person team on the MSN Calendar product that implemented the entire meeting request flow in 5 months. Parts that I wrote in entirety include Exchange interoperability, accept/decline/tentative SOAP service, and full iCal parsing and generation. - Invented an xml protocol/schema and developed a web service that connected MSN Groups to MSN Calendar using that protocol. - Architected the first C# version of MSN's address book store web service. - Architect of .NET MyCalendar (codename "Hailstorm"). Designed the calendar xml schema, implemented all APIs, and standardized naming conventions across Microsoft for freebusy API's (getFreeBusyDays) and recurrence rule components (eg, monthlyByDay, yearlyByDay, forceExact, weekdayOfMonth, etc.). From 1999 to 2004 (5 years) Software Design Engineer Intern @ - Engineering intern on Spam and SMTP tools. I developed a scalable tool to generate email messages for our spam filter testing. From May 1998 to September 1998 (5 months) Software Design Engineer Intern @ - Engineering intern in the Macintosh Internet Explorer Group. I developed features for the Java Virtual Machine and optimized the performance of the From May 1997 to September 1997 (5 months) Software Intern @ - Smalltalk programmer in the Systems Development Environment (SDE) for an object-oriented HR/Payroll software package called Trillium From May 1996 to September 1996 (5 months) Software Intern @ - Intern developer for a Macintosh database company. We were tasked with porting the Mac version to Windows. - I also worked on a Mac database product called "Butler". My tasks included upgrading from C to C++, general bugfixing, and the implementation of design patterns using Metrowerks Codewarrior class libraries. From May 1995 to September 1995 (5 months) MS, Electrical Engineering @ Stanford University From 1997 to 1999 B.A.Sc., Engineering Science / Computer Engineering @ University of Toronto From 1993 to 1997 Walter Hsueh is skilled in: Objective-C, Android Development, Java, SpringSource, Amazon Web Services (AWS), Hadoop, HBase, Distributed Systems, Software Design, Web Services, C#, .NET, JavaScript, Scalability, Design Patterns