Software Development Engineer - AWS

Seattle, Washington, United States

Amazon

Sr Software Development Engineer

Participated in design and development of a flexible HTML5+Flash video and audio player for both desktop and mobile web, using PHP, TypeScript, ActionScript, and jQuery. Implemented features such as video crossfade transitions, a Flash-based ADTS AAC audio transmuxer, a VAST 3.0 ad component, a nodejs-based compile/minification/sourcemapping/CI process, and a buffering mechanism for live audio clips.Acted as lead architect for Vadio's Android video player SDK, with core logic written in C++ 11 and front end in Java. Implemented playback and crossfading of protected HLS streams, Chromecast support, custom video trimming, and a highly customizable player API for 3rd-party consumption.

Vadio

Senior Software Architect

Managed a development team tasked with building a comprehensive social analytics and social marketing platform utilized by a variety of large companies. Built a highly scalable backend with C#, <a href="http://ASP.NET">ASP.NET</a> WebAPI, and Mono to ingest, store, and analyze hundreds of millions of social media data points from a wide variety of social media platforms every day, and an API to provide summaries, graphs, and maps to front-end clients.

Blitzlocal

Director of Engineering

C# / <a href="http://ASP.NET">ASP.NET</a> / SQL Server / <a href="http://VB.NET">VB.NET</a> •	Provided on-call tech support for production web and database servers •	Optimized SQL Server databases for maximum performance •	Enhanced usability of an existing ordering system by adding a comprehensive diagnostics system and correcting discovered issues •	Performed production code deployments with comprehensive testing and instant rollback capabilities •	Designed and built a data-driven online food ordering system to be deployed for multiple restaurant chains     o	Fully customizable branding and UI theme support     o	Dynamic item customization and per-client custom business rules     o	Delivery address entry UI with automatic address validation, correction, and suggestions     o	Dynamic store locator with interactive map •	Performed detailed website profiling with a commercial profiler, and assisted in automated web stress testing via the Amazon cloud •	Performed user interface and quality assurance testing on site and all components

DevStudios International Inc.

Software Consultant

C# / PHP / Facebook / db4o / OpenSocial •	Built an application to monetize social networking by providing a sales platform for consumer electronics. •	Implemented full Facebook integration and marketing, and widgets to provide a sales presence on other sites such as MySpace and Bebo. •	Single sign-on support - customers can sign in with their Facebook, Google, Windows Live, Yahoo, MySpace, or OpenID account and buy instantly without registration. •	Makes use of the db4o native object database

Sictronics

Software Architect (contract)

C# / <a href="http://VG.net">VG.net</a> / MyXaml / Endogine •	Synchronized MIDI sequences to audio playback for an interactive music game. •	Created a filter graph editor prototype using a framework based on <a href="http://VG.net">VG.net</a>, with adaptive layout, drag-drop pin connection, zoom, panning, scrolling, etc.

Cogmed Systems AB

Software Engineer (contract)

<a href="http://VG.net">VG.net</a> / MyXaml / C# •	Created a class library for building user interfaces using <a href="http://VG.net">VG.net</a>. •	The library handles automatic hierarchical layout, keyboard focus, themes, and other tasks. •	Created a text editor. •	Trained developers in the use of the class library.

Infoteam

DHTML / <a href="http://ASP.NET">ASP.NET</a> / MyXaml / C# •	Created cross-browser thin-client components for a business server application. •	XML file specified a single user interface for both the web and windows forms versions of the client. •	Cross-browser issues resolved.

XaktSoft

<a href="http://VG.net">VG.net</a> / GDI / GDI+ / C# •	Created an importer that imports metafiles to the <a href="http://VG.net">VG.net</a> vector graphics format •	Imports WMF, EMF, and EMF+ metafiles - allowing imports from Microsoft Office applications and most vector graphics editing programs •	Numerous optimizations enhance the imported metafiles - elliptical and rectangular paths converted to ellipses and rectangles, clipped fills converted to shapes, extraneous transformations reduced, etc

Justin Dunlap

Software Architect

XML / XSL / HTML / Database / C# •	Created an data report generator that creates customizable data reports from an XML template, viewable in the browser via an XSL transform