Jun Sun
Senior Software Engineer @NetBrain Technologies Inc.
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WORK HISTORY
Senior Software Engineer @NetBrain Technologies Inc.
Toronto, ON, CA
EDUCATION
Hefei University of Technology
Bachelor of Science - BS
ABOUT JUN SUN
7 years of C++/Java high-performance computing development experience throughout the entire SDLC, including non-blocking network (epoll, libevent, ACE), multi-threaded programming (pthread, lock expansion process), performance testing, Linux troubleshooting - Developed a distributed computing platform (similar to Hadoop MapReduce) at AsiaInfo (HKG:1675) which was developed in 2008 for PB-level big data, and successfully supported 3 projects of China Unicom- Developed a billing microservice developed in 2019 using Spring Boot, MyBatis, MySQL, RESTful API- Developed CRM Billing, PRM settlement systems for the telecom industry. In-depth understanding of JVM, familiar with various GC and their core parameters, experienced in tuning ParNew and CMS GC. In-depth understanding of how MySQL InnoDB engine works and how to optimize it such as SQL execution plan analysis, joint indexes, table sharding, etc. Skilled in E-R modelling (database design) 7 years of project management experience (the biggest project is C$3.9 million), good at problem-solving, risk control and teamwork. Naturally curious and passionate about problem-solving and driving innovation. Self-motivated, responsible, detail-oriented and a quick learner, a teamwork veteran
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