Member of Hadoop and NoSql team.

Optimizing end-to-end data transfer from the database cluster to the Cohesity distributed file system via the Avro IPC server, Hadoop backup/restore adapter, and Grpc API server.

Leading and designing Hive view protection involves building dependency graphs between views and tables, leveraging the Calcite parser for Hive SQL queries, and employing multi-threading for concurrent restore of tables and views in their dependency order.

Reducing the data source registration time for one million Hive tables from 300 to 20 minutes by leveraging batch processing, the producer-consumer multi-threading, and shorten data conversion.

Messaging of NSX platform

Leading and building the messaging infrastructure and event/alarm framework using protobuf-based RPC and distributed database from end to end.

Clustering of Cisco ACI SDN controllers.

Worked on distributed infrastructure, gRPC heartbeats, cluster extension and cluster time synchronization.

Realized server-based policy and domain-based policy for Cisco UCS in the data center.

Detected memory leak and identifying system crash using Valgrind and Gdb.

Familiar with model-driven data framework.

Scalable data backup, clone and recovery.

Data protection policy engine enhancement.

Elasticsearch in metadata service.

C/C++ Multi-threading

Large scale distributed application development

Deeply understanding of Android device driver in charger and battery.

Proposed software solution and workaround to support customized features for business partners.

Developed debug tools to adjust system parameters and identify root causes inside Android phone using C++.