Ma Chun Hing

4SF is a Stock Borrow and Loan System, which allow front office trading with a real-time position management and accurate trade entry tools. It automates the full trading lifecycle, inventory management and enables traders to increase the trading volumes. • Collected the requirements from traders, effectively managed their expectations, estimated the effort required and prioritized the requirements. • Integrated with internal trading system using Tibco RV, REST WebService, FIX, Bloomberg API, Reuters electron API & Fidessa, which allowed the trading desk to manage the Securities positions (Equity, ETF, Bond, SWAP) in single interface and precede Equity CA event. • Took a technical leader role to design the system architectural. Studied the tradeoff of each framework and incorporated to company system architectural. • Built Behavior Driven Development with JUnit, in memory DB H2, Cucumber, Spring Boot that provided end-to-end test coverage 90%. • Integration the application with OAuth2 & Angular JS which allowed the traders & support to manage the application based on their role. • Re-architected the existing JBoss 4/5 applications to stream base multi-threaded application (Collection streams and fork/join pool) from scratch, which outperform existing application by 200%. • Re-wrote the ant scripts into custom Unix, Python & Gradle Script in order to integrate with Bamboo, udeploy and sonar to support continuous integration. • Studied Java GC to locate the memory usage and tune the performance of the system by reduced Object Creation, for example, Object pool and pre-allocation of Object.

Synthetic Swap System is a Swap Trading System that covered whole trading life cycle, from Pre-Trade (Pricing), Trade (Order Management), and Post Trade (allocation). It enabled the traders to hedge the position effectively and create Synthetic Equity position in low latency manner. • Developed automated Straight Through Process for Direct Market Access (DMA) and Regulatory Reporting with Tibco RV, JMS, JBoss, FIX protocol and Fidessa. • Transitioned team from traditional waterfall style development process with post development testing phase to an agile process based in Test Driven Development and automated testing with minor post development validation of previously run tests. • Re-architected OMS into Java 8 and disruptor patterns, which reduced the processing time of each order by 50%. • Build integration test case and test framework by implemented JUnit, XMLUnit and Spring Test Listener. Ensured high-test coverage (>90%) with Maven, Surefire, FailSafe.