Sean M. Willson resume@seanwillson.com text version
5245 Benton Ave. Downers Grove, IL. 60515 312-961-3681
Qualifications
	Software Architect with 13 years of experience in software architecture and development. Extensive experience in highly scalable systems utilizing distributed computing technologies and custom application development.
Work Experience
	NaNil LLC	Oak Park, IL.
01/09 - Present	Founder & Samari
Part Time	Developed a custom iPhone application series for architectural tours called FanGuide. It’s written in Objective-C and utilizes MapKit, CoreData, Core Location, UIKit, and a completely custom user interface. It has a reusable deployment framework to allow many applications to be created with arbitrary pluggable architectural content.
	WideAsleep LLC	Downers Grove, IL.
02/08 - Present	iPhone Software Artist
Part Time	Designed, developed, and released the Fairway Golf iPhone application to the iTunes AppStore. It’s a simple easy to use golf training application for managing your bag, clubs, and swings. Fairway was developed in Objective-C using the iPhone UIKit & SQLite frameworks.
10/09 - Present	Founder & Consultant
Full Time	Created a custom system to aid in automating new and prospective customer to quickly get into existing trading systems. Leveraged C# 3.5, WinForms, WCF, SQL Server, and Oracle.
09/06 - 05/08 Full Time	Created a new Wealth Management Investment, Prospecting, Fulfillment, Rebalancing, and Monitoring Platform from scratch in C#. Responsible for initial brainstorming, knowledge gathering, requirements definition, application architecture, and implementation. Worked with the client to drive new programming practices and technologies for C# .NET 2.0 & 3.0. Designed and implemented a new innovative Wealth Management User Interface that challenged the clients traditional approaches. I was the UI development lead responsible for ensuring platform consistency and intuitive design. I worked with the business through various designs and mockups eliciting feedback from all levels of the organization. I was also the lead on implementing and releasing the initial UI of the application into production.
	DRW Trading Group	Chicago, IL.
05/08 - 10/09	Senior Software Developer
Full Time	Designed and implemented a near real-time (< 100 ms processing) position management system for the front office capable of handling millions of trades per day. This system was also able to be generically queried to generate position data on demand. It was developed entirely in C# .NET 3.5 and used 29 Wests LBM for low latency interprocess communication. Developed a new operations frontend to enable monitoring in near real-time of equity trading. It allowed them to quickly perform arbitrary queries and filters to narrow their view of trades. It also facilitated operations to do full trade lifecycle (create, update, delete) management including capturing and application of corporate actions. Developed several adapters to import external trade and clearing related data into our internal trade store. This was used for position reporting and reconciliation. Developed a tool to allow operations to categorize and tag imported clearing data to assist during trade reconciliation.
	Bank of America	Chicago, IL.
08/02 - 09/06	VP — Software Engineering
Full Time	Redesigned a real-time trading bridge to handle high availability, redundancy, load balancing, increased QoS, and scalability using various distributed computing techniques. Heavy use was made of Reliable Multicast, JCache, J2EE, JMS, CORBA, Concurrent Programming Patterns, and Workflow. Developed a CORBA bridge to facilitate real-time communication between the Objective-C and Java trading engines. Wrote tools to handle near real-time reporting, auditing of load, performance, errors, and more. Managed the team of developers that architected the new trading bridge on time for 15+ releases, provided tools to automate build and deployment, and handled 24/7/365 production support.
	Chicago Mercantile Exchange	Chicago, IL.
04/02 - 08/02	Senior Developer
Full Time	Developed an enterprise entitlements and authorization service that supported JAAS.
	Parlano	Chicago, IL.
04/01 - 04/02	Software Architect
Full Time	Managed a team of developers for a major product release of the MindAlign enterprise collaboration software. Functioned as the lead web architect responsible for all web technology decisions. Migrated the system architecture from Java, C, and Perl to a J2EE implementation. The final product was a system that was more scalable, highly available, redundant, and more fault tolerant that our previous architecture. Responsible for the complete development lifecycle of the MindAlign web client. This client intelligently handles rendering for varying browser types, integrates into any J2EE compliant servlet container, can be embedded into any web page, and has API's that allow it to be easily extended and integrated into other systems.
04/00 - 04/01	Senior Software Engineer
Full Time	Participated in 3 point releases with lifecycles that included requirements gathering, development, testing, and optimization. Developed a reusable Perl tagging/template engine for use in the application web site, client, and server configuration. This template engine included support for runtime changes and custom branding in the web tier. Designed and developed an application web site that extends the desktop application to add management and searching features.
	iExplore, Inc.	Chicago, IL.
01/00 - 04/00	Senior Internet Application Developer
Full Time	Architected and implemented a distributed JDBC redundancy and fail over system in Java. Developed a content management tool in Java and XML that synchronized Dynamo application server content with content in an Oracle database. Worked with a team of developers that designed, developed, and deployed an adventure travel web site using Java, JDBC, and the Dynamo application server.
	MyPoints.com, Inc.	Schaumburg, IL.
01/99 - 12/99	Web Engineer
Full Time	Developed and supported their offline transaction processing system. This system was used to award points and enroll new members into the MyPoints environment. It was developed using FTP, Perl, PL/SQL, and bash. Proposed and championed standards in documentation and coding guidelines. This included maintaining the internal developer web site and writing specifications and proposals of these standards.
	UBS	Chicago, IL.
08/97 - 12/98	Software Engineer
Full Time	Developed and supported a real time collaboration application in Java. This system was deployed as the enterprise wide standard to over 15,000 users and to several external clients. Deployed the Castanet application distribution and management system globally to 20,000+ users. Facilitated and developed toolkits to be used by other developers. This system deployed 50+ applications to employees and customers.
05/96 - 08/97	Software Engineer
Intern, Part Time	Maintained and created content and applications for several internal departmental web servers. The work on these applications facilitated the funding of the emerging web technologies within the company. Researched and reported on advanced technologies to a technology committee.
Education
1992 - 1997	The University of Michigan	Ann Arbor, MI.
	The College of Engineering
	Bachelor of Science in Computer Engineering, August 1997 Evans' Scholarship. Four-year, full tuition and housing scholarship.
Computer Skills
	Languages Objective-C, C#, Java, JavaScript, Perl, C++, C, shell scripting Operating Systems MacOS, Windows XP/2000/NT/Me/98/95, Solaris, Linux, NeXTStep Databases SQL Server, Oracle, Sybase, SQLite, MySQL Objective-C Frameworks / API's UIKit, MapKit, Core Location, Core Data, Core Graphics, Quartz, AppKit, Cocoa, WebKit C# Frameworks / API's Retlang, LBM, FlowChart.NET, SourceGrid, NHibernate, SQLite, Log4Net J2EE Technologies JMS, EJB, JSP, JDBC, JNI, JINI, Tag Libraries, Struts, Servlet, Applet J2EE Frameworks / API's JGroups, JCache, Struts, Xerces, Xalan, Avalon, Ant, Misc Jakarta Libraries J2EE Application Servers / Servlet Containers Borland Enterprise Server, Tomcat, JBoss Web Technologies / Markup JSP, Servlets, HTML/XHTML, XML, XSL/XSLT, CSS, JavaScript, and Perl Other Frameworks / API's CORBA, Misc Perl Modules