Jeff Hayes

Developed Risk Management Control and Renewal project, a VLDB HPC system providing FX/CCT Position Reconciliation and Map/Reduce facility, concurrently processing in excess of 250GB in a daily, narrowed-time window. Backing store and Data Warehouse was implemented utilizing Sybase IQ, Columnar RDBMS. System additionally provided high capacity customized feeds to numerous downstream consumer groups in the Investment Bank and Wealth Management.

Provided development and refactoring work for product group supplying the Inventory Management System to Yahoo's Display Ad business unit. Systems developed on FreeBSD, Red Hat Linux utilizing GNU C++, multithreading/multiprocess, Protobuf was utilized for wire serialization over Y! proprietary transport. · Implemented stability and performance improvements to allow the system to scale to meet expanding and projected client needs and volume.

Provided analysis and development services within a hedge fund group. Analyzed existing trading infrastructure products for performance and stability issues. Developed proof-of-concept refactoring solutions to several issues, working within constraints of existing code base. Provided Linux systems administration and integration services. Systems developed on Linux utilizing C++, multithreading, ACE, Boost, TIBCO SmartSockets.

Provided analysis and development services within Prediction Company; responsible for developing algorithmic trading support products for the NYSE and NASDAQ markets. Systems were developed on Linux and Solaris utilizing GNU C++, Solaris Forte C++, multithreading/multiprocess, Sybase, MySQL, Qt, Boost, TIBCO SmartSockets, 29West's Latency Busters Messaging (LBM), HDF5.

Provided consulting to groups within the FX/CCT division responsible for the centralized, Middle Office Repository systems supporting UBS's Day Trading services in the world-wide trading markets. Systems were developed on Solaris NUMA clusters utilizing C++, multithreading/multiprocess, CORBA, Sybase ASE. · Analyzed existing systems for time/space performance improvements. Refactored applications to achieve Fault-Tolerance, within performance requirements of high-throughput and low response time.

Provided analysis and development services to the bank's Network Management Automation group (NASTI). This group was responsible for developing automated software systems to manage the bank's intranet infrastructure.