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Walter Szrek 60 Spencer Ave, East Greenwich, RI 02-818, USA Tel/fax.1(401)398-0395 Mobile: 1(401)301-1890 Email: walter@szrek.com |
Summary
Senior software consulting engineer experienced in all phases of software development and expert technical support. Skilled in system analysis, architecture, design, implementation and delivery, troubleshooting and customer support. Possesses vast experience in high volume transaction processing, system security and integrity, WAN communication software architecture, downloading in large networks, communication needs analysis, design and implementation. Expert in gaming systems requirements, lottery game design and implementation. Independent, self motivated, hands-on and not afraid of challenge and getting his hands ‘dirty’.
Professional Achievements
· Architected, designed and implemented communication software for majority of the lottery terminal networks in the world.
· Designed security architecture and system integrity solutions that became standard in the lottery environment.
· Architected, designed and implemented high volume transaction processing systems for the world largest lotteries (20,000 tps).
· Created many technical de facto standards for the lottery industry and introduced numerous significant cost reducing or enabling system improvements.
· Key contributor for several dozen projects and products; always delivered quality work on time and budget.
Work Experience
Szrek2Solutions Supplier of products and consulting services for gaming industry.
2002 – present Senior Software Consulting Engineer, RI, USA
Design and implementation of products, technical solutions, software and systems consulting.
GTECH Corporation Global market leader in on-line transaction processing lottery systems
1998 – 2002 Senior Software Consulting Engineer, Product Development, Warsaw, Poland
Lead communication software development for La Francais des Jeux (FDJ), French Lottery. High quality specialized software was delivered on time and to full customer satisfaction, meeting the requirements of no software changes in 20,000 existing FDJ terminals.
Lead design and implementation of communication software for Camelot, UK Lottery. Converted terminal network from X.25/Satellite/packet radio to ISDN/X25 PVC, on schedule and meeting all customer requirements. Introduced average savings for Camelot of £ 200,000 per year in terminal support. Responsible for system engineering for transactional data warehouse – very successful product. Designed secure method of generating winners for game Extra – first on-line instant game in lottery environment. Consulted on security solutions proposed by different vendors.
1996– 1998 Senior Software Consulting Engineer, Systems Engineering, RI, USA
Responsible for system engineering of a new instant ticket reader for probability games. Designed communication architecture for a low price terminal product. Architected communication solution for multiple host systems communicating with a single terminal network. Participated in design of future GTECH system architecture.
1992 – 1995 Senior Software Consulting Engineer, Brussels, Belgium
Provided technical support, sales support, and application design consulting for many European and US customers, including largest lotteries. Designed and implemented communication software improvements for Camelot, UK Lottery: increased performance of communication subsystem from 600 to 8,000 tps; reduced time required to build communication database subsystem from 12 hours to 3 minutes which was essential in system launch in the UK. Architected, designed and implemented solutions for high volume transaction processing of slow (I/O) bound transactions, which allowed customers for large cost savings, e.g. STL (Spanish Lottery) saved approx. $1,000,000 using a software solution in place of hardware. Introduced major performance improvements for California Lottery system to pass RFP requirements.
1989 – 1992 Software Consulting Engineer, RI, USA
Architected, designed and implemented software communication management and control system, integrated with both GTECH main lottery system platforms, used till now in all GTECH delivered systems. This system supports many different network types: X.25, IP, X.21, Satellite, X.42, dial up, X.32, and packet radio. Provided system level and high level application support for many customers, systems and products.
1983 – 1989 Software Consulting Engineer, RI, USA
Lead communication software development and high level system and game design. Architected, designed and implemented software solution for lottery system redundancy via use of multiple sites (N-Plex). Designed and implemented software subsystem for ‘system bets’ and many other gaming subsystems. Designed and introduced various test and simulation tools used till now.
1979 – 1983 System Analyst / Programmer, RI, USA
Designed and implemented first lottery software platform and host application, still offered as a low cost solution. Developed communication software for the first terminals built by GTECH. Designed GSC, predecessor of X.42 protocol. Introduced queuing algorithms, hash file system and many other software subsystems.
Polish Academy of Science, Institute of Biocybernetics and Biomedical Engineering
1975 – 1979 Research Assistant, Warsaw, Poland
Member of R&D team working on character recognition (OCR), pioneering software solutions.
Education Warsaw Technical University (Politechnika Warszawska), Warsaw, Poland
1969 – 1975 MS in Computer Science
Languages English, French, Polish
Hobby Biking, collecting old mechanical calculators (www.calculators.szrek.com), collecting posters