Hai Wang Email & Phone Number

Oakland, CA, US

• Successfully led our team to migrate our on-premise Hadoop platform to Google Cloud Platform (Datapro, Hive, Presto, Airflow, Spark, Scala, Python, Sqoop, terraform)
• Design and build data pipelines for music data analytics in Google Cloud Platform
• develop massively scalable Restful APIs services to empower our music metrics applications (Java, Spring, Postgres, MemSQL, Redis)
• Successfully migrated a legacy Quartz-based scheduling service to a Spring Boot application with Airflow scheduler
• Work with multiple cross-functional teams to prioritize and build new products and new features
• Work with the DevOps team to build, deploy our Docker-based micro-services to our internal cloud platform (Jenkins, Docker, Hashicorp Nomad/Consul)

San Francisco, California, US

• Design, build massively scalable, highly available data platform Restful API services to internal applications (Java, Spring, Oracle, Elasticsearch)
• Work with multiple client teams to analyze business requirements and translate into business critical API services
• Improve latency and quality of critical API services to support solid business services
• Work with product team to prioritize business features and deliver software releases on time to meet the business schedule
• Provide solid support and debug a variety of production issues by using Splunk tool
• Implement integration & unit testing with Junit, Mockito and Spring test framework

Santa Monica, California, US

• Designed, built massively scalable, highly available data platform Restful API services to internal/external applications (Java, Spring, Apache CXF, Jetty/Resin, SQL Server, RabbitMQ, MySQL, Elasticsearch)
• Worked with multiple client teams to analyze business requirements and translate into business critical API services
• Designed and implemented a metrics framework to monitor statistics about the API services and report in Graphite servers
• Led the “Shop Used Cars” project with Elasticsearch technologies to provide high performance Car searching services
• Improved latency and quality of critical API services to support solid business services
• Worked with product team to prioritize business features and deliver software releases on time to meet the business schedule

• Responsible for the design, development and maintenance of new modules, enhancements, and existing components for enterprise-scale J2EE-based Risk Management software on the financial industry
• Analyzed and prioritized business requirements and translate into technical design
• Designed and implemented features/enhancements requested by customers and project team
• Implemented service layer using Servlet, JAXB, XML, Spring in Tomcat 6/7 & JBoss AS 6 in Linux
• Implemented persistence layer using JDBC, SQL in Oracle 11g in Unix & Linux
• Implemented cross-browser Web UI using JavaScript, AJAX (jQuery), HTML, CSS

CA

• Developed and maintained an enterprise-scale J2EE-based Master Data Management platform on the oil & gas industry
• Involved in the software development full cycle for analysis, design, programming, testing and documentation
• Analyzed and prioritized business requirements and generate business specification
• Successfully delivered high quality features and enhancement by using Agile development methodology (Scrum)
• Attended scrum daily meetings to collaborate with team members
• Participated in estimating the effort and timescales in the features, enhancements and tasks

Master, Computer Science

Bachelor, Computer Science