Johnny Wei Email & Phone Number

New York, Ny, Us

New York, Ny, Us

- Designed, developed and maintained FIX/STP C++ trading system for the world leading global electronic OTC fixed income and derivatives marketplaces that have hundreds of billion daily volume in 22 asset classes, across 15 currencies in more than 50 countries. The trading platform connects 2,000+ clients including the largest banks, asset managers, central banks, hedge funds, and other institutional investors with 50+ leading dealers. - Maintained 30+ C++ projects and hundreds of DB stored procedures and tables. - Provide 2nd level support including diagnosis, problem solving for global FIX connectivity - 300+ production and 500+ other connections. - Optimized DB caching, stored procedures and improved performance more than 100 times. - Developed FIX/FpML processes for trading risk management system connected to trading partners.- Enhanced C++ order book GUI and global distributed server applications.- Developed essential features for the largest asset managers and resulted in high customer satisfaction: "Things couldn't have gone more smoothly", "Dream realized". - Key developer for re-architected FIX, order entry and report infrastructure. Worked through entire SDLC stages including plan, estimation, design, development, release, and deployment management.- Developed multi-thread safe DB cache layer. Improved multi-process DB access race condition handling, DB transactions, and connection lost recovery.- Tuned and optimized DB indexes, lock levels to resolve DB dead lock. Resolved large message fragmentation issues.- Developed numerous FIX API including List trading, FpML new order, etc.- Maintained various bridges for confirmation vendors, FIX IOIs, trade information reporting in HTML, PDF, flat files, and compliance data csv files.- Developed compliance data report server.- Enhanced programming samples in C#, Java, and C++, designed FIX tests, unit testing tools. - Made essential STP enhancements for SEF.- Guided and trained new developers.

- Developed, maintained and supported three globally marketed JAVA/Linux FIX products.- Planed product release with senior manager and architects. - Prioritized feature enhancements, development tasks, and made estimation for project scheduling. Managed project development and coordinated with QA, documentation teams.- Designed and delivered new releases with highly limited time and team resources. - Provided internal training for support team.JAVA FIX Certification And Testing Product- Product was chosen by FIX Protocol Ltd (FPL) as official Fixed Income Certification platform. The system handles complex communications among XML test scripts, dynamic Web UI, JBoss Web Server, certificate engines, FIX engines, and MySQL DB. Technologies include Struts, JSP, JSTL, XML/XSLT/XPATH, RMI, JNDI, DHTML, CSS, Jakarta Commons, XDoclet, JDBC, and Hibernate.- Designed and developed Java Servlets, JSP pages following Model-View-Controller (MVC) pattern. - Fully automated FIX standard Equity certification scripts generation with intelligent log message mining. JAVA FIX Enabled Equity Order Management System- System handles complex OMS business logic with multiple FIX versions and requires very detailed understanding of FIX order state transition matrix and FIX order routing for both buy/sell sides. Technologies include Swing, JDBC, MySQL, XML/schema, Castor, C#, VB, VBA, COM.- Optimized entire system and improved production performance by 200%.- Designed, developed and normalized database schema and scripts.- Designed and developed XML messaging and Java APIs following ISO 15022.- Maintained Java Swing, C#, Visual Basic, and Excel applications. JAVA/Linux FIX Integration Hardware/Software System- Maintained product featuring FIX connectivity, network, FIX certification, system monitoring and execution services. Technologies include: Linux, Perl, CGI, HTML, JavaScript.- Successfully troubleshot and upgraded product with new release of Linux system.

- Maintained and developed Sales Order, Purchase Order, and Inventory control system.- System is clients server architecture with SQL Server 7.0, Access front end, VB, VBA

Master’S Degree, Computer Science

Bachelor’S Degree, Japanese Language And Literature