David Sun Email & Phone Number

Markham, On, Ca

Toronto, Canada Area

• Build data pipelines by collecting data from various sources and in different formats• Analyze structured and unstructured data and generate reports for business initiatives• Design and implement disaster recovery (DR) strategy• Document business initiatives and technical designs• Team building and management• Major Technologies: Kafka, Elastic Search, Nifi, Spark, HDFS, scala/java/python, CICD, airflow, docker/OCP, PCF, apigee, redis, zeppelin

Markham, Ontario, Canada

• Lead FPM development - Oracle APEX based service management tool implemented in Java, Javascript, PL/SQL, web service• Lead OTP development - Oracle BI based app that mines bid data and provides valuable product and service insights for executives. Implemented in Java, python, OracleBI• Social CRM software development using Java, Adobe ActionScript, PL/SQL• Oracle Sales Cloud Service Management, including SaaS environment upgrade, patching, migration, configuration, integration, using shell, python, PL/SQL, Java on Oracle Webloigc, Cloud EM, DB, and Linux systems• Tech Lead and Team Mentorship and Management

• TotalCare 5.0 project - J2EE based web billing system with Java, IntelliJ, JBoss on Solaris and Linux systems• Netonomy CCBS 2.1 Integration project - J2EE based billing system with Java, IntelliJ, JBoss on Solaris and Linux systems

• Lead a 9 people team to develop mobile applications on Motorola EZX project using Qt, C++, Java, Linux, etc• Lead a 5 people team to develop mobile applications on JUIX project, which was first pure Java based mobile phone software platform• JUIX contest winner by designing a tool to search pictures on JUIX phone• CMM certification

• Search Engine development including WebUI, ontology search, and related search using C, Java, Javascript, CSS, PHP, MySQL, etc.• Lead on-line payment system development using Java