Jiabao Sun - Support Escalation Engineer

Jiabao Sun

Support Escalation Engineer

Wuxi City, Jiangsu, China

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Summary

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Rockstar

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Top School

Jiabao Sun is a Support Escalation Engineer with over nine years of hands-on experience in virtualization, SAN storage, and enterprise cloud services, currently supporting Azure VM, Storage, AD, AKS and related platforms at Microsoft. He combines deep systems integration background from EMC and HP with Level 3 field support for VMware/H3C, enabling rapid root-cause analysis across complex hybrid environments. An active open-source back-end contributor, Jiabao is an Apache Flink committer and maintainer of Flink CDC, and has contributed significant fixes to Debezium’s MySQL connector and Flink’s testing infrastructure. Comfortable at the intersection of production support and developer tooling, he brings practical debugging skills, test automation experience, and a proven track record of improving data-change capture and streaming reliability.

8 years of coding experience

5 years of employment as a software developer

Master of Engineering (M.Eng.), Computer Engineering, Master of Engineering (M.Eng.), Computer Engineering at Nanyang Technological University

Bachelor of Engineering (B.Eng.), Computer Software Engineering, Bachelor of Engineering (B.Eng.), Computer Software Engineering at Shandong University

English, Chinese

Stackoverflow

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Github Skills (28)

cdc10

apache-flink10

mysql10

testing10

debezium10

flink-sql10

schema-design10

java10

javas10

build210

junit10

sql10

database-design10

db-schema10

database-schema10

Programming languages (4)

TypeScriptJavaHTMLPython

Github contributions (5)

apache/flink-cdc

Aug 2021 - Dec 2022

Flink CDC is a streaming data integration tool

Role in this project:

Back-end Developer

Contributions:237 reviews, 27 commits, 174 PRs in 1 year 4 months

Contributions summary:Jiabao primarily contributed to the Flink CDC project by addressing build-related issues and implementing fixes. Their work involved bumping up Flink versions, fixing a ClassCastException in type conversions, and adding default values for configuration options. They made targeted changes in several connector modules, including MySQL and MongoDB.

flinkchange-data-captureapachebig-dataspark

apache/flink

Aug 2022 - Aug 2022

Apache Flink

Role in this project:

Backend Developer & Test Automation Engineer

Contributions:162 reviews, 1 commit, 79 PRs in 1 day

Contributions summary:Jiabao's contributions focus on enhancing the testing infrastructure for Apache Flink. They implemented and tested improvements within the test utilities, including the ParameterizedTestExtension. Additionally, the user was involved in migrating JUnit4 tests to JUnit5 in multiple modules, notably the flink-runtime, flink-table-planner, and flink-sql-gateway modules, indicating a focus on code quality and test coverage. Their work also included refactoring code related to the close and cleanup all data methods within BlobStoreService and HighAvailabilityServices.

pythonflinkconnectorsqlapache

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