Chris Preston

Broomfield, CO

(347) 827-1463

cpreston@interappware.com

Skill Sets

Areas of Expertise

High Speed Transaction Processing, Enterprise Applications, N-Tier Development, Data Modeling - OLTP and OLAP, Healthcare (X12)

Programming Languages

Groovy , Java, C, SQL, Shells

Databases (SQL and Schema Design)

Oracle, MS SQL Server, MySql, PostgreSQL, JavaDB/Apache Derby

Operating Systems

Unix, Linux, Windows

Platforms, APIs, Protocols

Grails, GWT, J2EE, Hibernate, Tomcat, WebLogic, JDBC, SOAP, REST,  JSSE, JAXB, SAX, MQ Series Integrator,Spring Autowirin

ETL Tools

Talend Open Studio

IDEs

Eclipse, Netbeans, STS, GGTS

Other

Maven, Ant, Subversion

US Patents

#5893911 Method for defining and applying rules for message distribution

#6101556 Method for content-based dynamic formatting for interoperation of computing and EDI systems

EXPERIENCE

Dec 2010 to December 2012

Consultant Developer Architect

American Blue Ribbon Holding LLC, Denver CO

Relevant Skills -              

Java, Groovy, SOAP Web Services (JAX-WS), JFC/SWING, MySql, JavaDB, Grails, GWT, Talend Open Studio

·  Implemented over the Internet SOAP based Web Services for gift card management and use

·  Converted ABRH's Point of Sales System from SqlAnywhere to Apache Derby

·  Designed and currently developing 3 Tier Web 2.0 based price management system using GWT, Grails and MySql. Used and using Talend Open Studio to load data into the new system from the legacy data formats.

Nov 2009 to Sep 2010    Senior Architect Developer Consultan    Thomson-Reuters, Englewood, CO

Relevant Skills                  Oracle, Java, Groovy

Built a data mart from the main data warehouse using Materialized Views, designed and and implemented tools to capture queries and generate targeted Materialized Views with final answers to ad hoc queries using Query Rewrite reducing overhead by 3 orders of magnitude. This took batch reporting from 1500 reports a week to 8,000 per hour. Used an Exadata v2 for the implmentation.

January 2009– June 2009

Senior Developer Architect Consultant

Recondo Technology, Englewood CO

Relevant Skills

Design and develop reconciliation for X12 EDI transactions, Java, Groovy,  Grails,

GWT, MySql, PostgreSQL, Talend Open Studio (ETL), Hibernate

·  Designed, developed a meta data driven data staging area that can accept complex EDI 837/835 transactions to proprietary atransactions (, SUREPAYHEALTH, etc - health care)

·  Designed and developed data load and extract processes and programs

·  Designed a data mart (snowflake dimensional) for matching internal claim estimates to EDI 835s

·  Developed a web control console using GWT

August 2005 – December 2008

Senior Developer Architect

Envoy Technologies, Iselin N.J.

Relevant Skills

Product design and development ( High Speed  Rules based Transaction Processing), Java,  Network Software Design, Apache, Tomcat, Crystal Reports, Struts

·  Provided recommendations to CISCO AON product team for restructuring reliable message delivery within the product and subsequently these recommendations were subsequently used to restructure product internals

·  Designed and wrote a new product kernel providing highly scalable rules engine evaluation and execution in excess of 20,000 hits a second with a rules base of 1,000,000 rules, as well as a high speed matching engine providing over 200,000 matches per second up to millions or billions of arbitrary transactions

September 2003 – August 2005

Senior Developer Architec

ECHO Inc, Boulder CO

Relevant Skills

J2EE (WebLogic), Relational Modeling (Oracle, MySql, MS SQL Server), JAVA, C++, J2EE&SWING, XSLT, Castor, Swing, Project Planning

·  Optimized ACH reporting system for several orders of magnitude performance improvement.\

·  Reduced multi-day batch load time to approximately fifteen minutes

·  Designed and wrote Customer Information System using J2EE (Weblogic)\

·  Designed and implemented Oracle OLTP Database cluster (RAC) for real time check verification

·  Performed DBMS tuning for the Check Reporting System (MySql) reducing merchant statement generation time by more than 90%.

·  Developed multi-year Corporate Data Architecture Plan for new ECHO Inc. Production Environment

·  Designed credit card reporting data warehouse

May 2000 – August 2003

Senior Developer Architect and R&D Lead

Diogenes Inc., Denver Colorado

Relevant Skills

JAVA, SOAP Web Services, SSL, TLS, JTA, JMS, XML, Swing, J2EE, BorlandXML, SAX, JDataStore, Gemplus Smart Card, HIPAA, CFR Part 11, Planning and Management

·  Designed and wrote iMercury, an over the Internet, secure, guaranteed delivery messaging product with dynamic address based routing

·  Designed and wrote a Java Smart Card mesaging solution

·  Designed Java based iXtend over the internet, secure installation of Diogenes as well as 3d party products onto multiple platforms

·  Designed and wrote iTunnel, a secure routing mechanism for redirecting Internet traffic through secure DMZs, providing both authentication and perfect forward secrecy

·  Designed and wrote iAudit for collecting and auditing data compliance throught a company

·  Designed and wrote iPrint, an over the Internet distributed printing application

·  Designed and architected product security requirements to meet HIPAA and CFR Part 11 standards

Sept 1999 - May 2000

Senior Developer Architect Consultant

Deluxe Corporation, eFunds Subsidiary, Minneapolis MN

Relevant Skills

Java, C++, SSL, SWING, MQSI, MQ Series, Tomcat, JSP, Oracle, Sybase

·  Designed and helped develop the front to back deployment of three Deluxe products from mainframes to the web

·  Wrote a web based reply mechanism for moving responses to temporary dynamic queues for mainframe data interchange

·  Integrated NEON Message Track with MQSI

·  Wrote Solaris based MQ Series to NEON MessageTrack Bridge

Aug 1999 - Sept 1999

Senior Developer Architect Consultant

AT&T Labs, Cincinnati OH

Relevant Skills

C++, MQSI, MQ Series, Planning

Designed, wrote  and implemented reliable messaging service bus using MQ Series Integrator

July 1998 - July 1999

Senior Developer Architect Consultant

National Data Corporation, Phoenix, AZ

Relevant Skills

Java, C++, C, Oracle, OCI, JDBC, AWT, SWING, MQSI, Planning

·  Designed and wrote a proprietary enterprise messaging architecture

·  Wrote a database based asynchronous messaging system

Jan 1998 - July 1998

Senior Developer Architect Consultant

National Data Corporation, Atlanta, GA

Relevant Skills

C++, C, Oracle, SQL, OCI, Berkeley Sockets, Tools.h++

·  Designed and wrote a distributed data warehouse aggregation architecture for performing multiple concurrent aggregations in the Sequent NUMA (Non-Uniform Memory Architecture) parallel environment. This used Oracle Call Interface to run patch reports in parallel across the cluster.

Aug 1997 - Dec 1997

Senior Developer Architect Consultant

VIE Systems Inc, Lyndhurst, NJ

Relevant Skills

Planning and Design

·  Developed architecture and design recommendations for next product generation using Asynchronous event queuing, rudimentary rules routing and dynamic adapter creation

Aug 1994: July 1997

Senior Developer Architect and R&D Lead

New Era of Networks Software Inc., Englewood CO

Relevant Skills

C++, C, Java, Oracle, Sybase, Informix, DB2, OCI, JDBC, CLI, SQL 92, PL/SQL, dblib, tools.h++, ErWin, UML, CVS, Purify, HL/7, TCP/IP, SunOs, Solaris, HPUX, AIX, Dynix/PTX, Planning and Management

·  Designed and wrote the NEON Rules Engine.

·  Designed and directed the development of the prototype for NEON’s Business Event Manager

·  Designed and directed the development of NEON’s SWIFT adapter.

·  Designed and wrote NEON’s messaging product

·  Designed and directed development for a next generation high speed messaging system known internally at NEON as Universal Messaging

·  Designed and directed the development of NEON’s thin client software for the World Wide Web

·  Designed and wrote an HL7 protocol adapter for connecting to an IBAX AS400 based systems

·  Implemented data transforms for HL7 A records (admitting) and HL7 Z records (lab) for various customers using NEON Formatter

·  Designed and wrote NEON’s database abstraction layer for Oracle, Sybase and Informix RDBMS APIs. Managed from 2 to 5 engineers

EDUCATION

United States Military Academy at West

West Point

Major Computer Science, Minor Electrical Engineering

Army Awards and Badges

Army Achievement Medal with Oak Leaf Cluster, Overseas Service Ribbon, Army Service Ribbon, Parachutist Badge

REFERENCES

Harold A. Piskiel – CTO, Envoy Technology

Peter Robinson - Program Manager, Misys Banking Systems

Sheryl Adam – Senior V.P., Recondo Technology

George F. Adam III – CEO, Recondo Technology

Also see http://chris-preston.com, http://www.linkedin.com/in/christopherpreston, http://www.naymz.com/chris_preston_inventor

Further references available upon request