Derek Lewis Email & Phone Number

Vancouver, British Columbia, Canada

Vancouver, British Columbia, Canada

Vancouver, Canada Area

Vancouver, Canada Area

Contributed to ServiceTalk.io: https://servicetalk.io/

Vancouver, Canada Area

Developed new world-class financial exchange, capable of 100,000 txn/sec with less than 1ms average latency. Integral in this was implementing an RPC framework for reliable messaging over multicast, and an HA-DR solution using message journaling and memory state snapshots. Agile environment with morning scrums, full-time pair-programming, and 2 week iterations.Accomplishments include: * Built and integrated automated component and system level performance testing into build pipeline * Implemented FIFO queue benchmarked at throughput of 14 million exchanges per second * Primary development team contact with network/system due to my experience in the area * Designed and build deployment system for fully automated deployment to over 100 servers * Technologies used: Java, GWT, Spring, JUnit, JMock, Log4j, JDBC, JSP, Servlets, Ant, FIX, LBM, HTML/CSS, Bash, MySQL, Linux

Supported, maintained, and implemented new features on a mobile phone chatting website. After 3 months, I decided that the work was not challenging enough, and that I was not learning anything from the other two developers, so I moved somewhere that would offer a better opportunity to develop my skills. * Technologies used: Java, Log4j, JDBC, JSP, Servlets, Ant, HTML/CSS, Bash, Linux, Windows

Supported and maintained a high-performance sports betting application. Implemented multi-currency support prior to UK launch. Developed new real-time betting application. Was responsible for reviewing code of other developers on the team, as well as evaluating network hardware and software for purchase.Accomplishments include: * Was seconded to another team to improve performance and stability leading up to a critical annual event. The site was stable throughout the event * Frequently supported other teams within the company in debugging problems in both production and load testing environment * Technologies used: J2EE, JUnit, Log4j, JDBC, JSP, Servlets, Swing, JGroups, Ant, Maven, HTML/CSS, Ruby, Bash, DB2, Linux, Windows

Developed and maintained web-application for hosting credit union websites, with integrated CMS. Originally joined Inovera and completed development of previously out-sourced web-application. After acquisition by CUCBC, lead development of user-transparent re-implementation of same web-application. Accomplishments include: * Integrated existing MemberDirect online-banking software with web-application * Technologies used: J2EE, Xalan, Xerces, JAXB, JAXP, TRAX, JDOM, JUnit, Log4j, JDBC, JSP, Servlets, Ant, HTML/CSS, Ruby, Bash, MS-SQL, Linux, Windows, Solaris

Performed security audit on ASP application, and implemented security measures. Developed new Java application to replace ASP application.Accomplishments include: * Worked as part of a team to develop a scalable MVC model framework using Servlets and JSPs * Technologies used: J2EE, JSP, Servlets, HTML/CSS, Ant, Bash, PostgreSQL, Linux, Windows