Paul A. Shields, B.Sc.

Software architect, Systems Designer and Implementer


          hire.paul@shields.org

Professional Strengths

consultant: information architecture, systems security, software re-use / portability / integration
enterprise systems software architecture, design, and integration: object-oriented analysis and design, problem solving, database design, network architecture, real-time systems, transaction processing, API design
fail-safe and secure systems design, cryptanalysis, cryptography implementer
distributed systems: TCP/IP, WWW, XML
programming languages: UML, PHP/MySQL, Perl, SQL, C/C++/Java
platforms: Linux, Solaris, MS-Windows, Oracle, Sybase
lead developer / mentor for software teams, code review

Experience and accomplishments

20+ years experience in the computer industry, including design and implementation of enterprise applications using internet protocols.

software writer of large scale systems (full life-cycle from prototype through production, maintenance, and replacement)
implementer of Internet startups (Internet service providers, bond traders, retail stores)
lead developer of PGP 6.5 cryptography software for Linux
key participant in the creation of intellectual property for patent track systems
data modelling, lead developer of service automation systems
subsystems integration, refactoring, porting
architect / lead developer of risk-management application
designed a 2.4GHz wave guide directional antenna for WLAN applications

Employment History

Custodian Software Inc, 2006 to present

commerce systems implementation, technical due diligence, information security, risk analysis

Conceptual Leap Solutions, Toronto 2005 to 2006

best mode for patent, scrum coach, business development, product delivery

Stabilia Inc., Toronto 2003 to 2005

Technical architect, certified scrum master, information security auditor, lead developer

MacIsaac and Associates, Toronto 2002 to 2003

Solutions architect, business development, product delivery

Passport New Media, Toronto 1999 to 2002

Software architect and lead developer of web services

freelance software writer 1996 to 1999

Clients: Network Associates, Conceptual Leap Software, Canadian Trade Index/ Bell Actimedia, Passport New Media, Coldstream Associates

Passport Online, Toronto 1994 to 1996

Network analyst and services implementation/ integration specialist for award-winning Internet Service Provider

Nirv Community Resource Centre, Toronto 1992 to 1994

UNIX programmer, Network analyst

NIME, North York 1990 to 1991

Developer of audio editing tools

Institute for Space and Terrestrial Science 1988 to 1989

TCP/IP Network and UNIX support

York University 1987 to 1988

Developer of online bulletin boards

York University 1986

Teaching assistant for department of computer science

Education

Bachelor of Science in Computer Science, York University. Graduated 1989 (first class standing)

Certified Scrum Master, Feb 2004

Other experience

Programmed one of the first encrypted file system drivers for MS-DOS (1986);

Programmed interactive voice-response (IVR) software for PC, to integrate with dBase application (1985);

Embedded systems design: wrote ultrasound transponder software in machine language for a mobile robot (1984);

Designed hybrid digital/analog circuits (1984,2008);

Consulted to various companies on viability of technology with business plans

Keywords

Methodology: certified scrum, database normalization, capability maturity model (CMM), change control, separation of duties, extreme programming (XP) versus big design up-front, standards process refactoring, reverse engineering

Technology: Internet, LAN, WAN, PKI, Fault-tolerance, 7/24, C2 secure, Wireless, Rational unified process (RUP), Application service provider (ASP), Web services, wiki, requirements, modelling, quality assurance, project planning, network performance monitoring, incident escalation, decision making, data forensics, policies, procedures, controls, technical due diligence, DMZ

Software/Tools/Applications: Oracle 7, Oracle 8i, Oracle 9i, Sybase 10, MS-SQL Server, gcc, ssh, UNIX shell, Apache, JDK, ERStudio, MS Visual C++, Visibroker, Coldfusion Studio, PGP, Rational Rose, Weblogic, Tomcat, CVS/WinCVS, XMLspy, Ethereal, UMLPad, MySQL, LView PRO, Netstumbler, vi, TextPad

Languages: C, C++, Java, Javascript, JSP, JSTL, SQL, PHP, Perl, UML, XML, XSLT, XPath, HTML, XHTML, XML Schema, expect, Docbook, RDF, Coldfusion, CSS, x86 assembler

Operating systems: Ubuntu Linux, CentOS, OpenBSD, Redhat Linux, Mandrake Linux, Solaris 2.x, Solaris 7, Windows 95/98, Windows 2000/NT, MS-DOS, CISCO IOS

Protocols: TCP/IP, HTTP, CORBA, SSL, 802.11b, DNS, GPS NMEA

Hardware: Intel x86, Sun SPARC, CISCO routers, Modems, Linksys, Orinoco, SMC

API's: Posix, Unix shell, CORBA, DOM, JDBC, EJB, servlets,