EXPERTISE

Java19 years experience

Apache project committer. High performance java expert from hardware layer -> operation system -> JVM -> JDK -> application.

Network
Concurrent programming
Java
Multithreading
Performance
Collections
Garbage collection
Profiling
Backend
Multi threading
Distributed systems
High performance

Apache hadoop8 years experience

Apache Hadoop contributor, Apache Hive contributor. Maintained one of the largest hadoop cluster in the world, a single cluster with 8000+ nodes cross 2 datacenter

Performance
Debugging
Mapreduce
Maintenance
Operations

Hive7 years experience

Apache Hive contributor

SQL
Mapreduce
Hiveql
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LANGUAGE AND TIMEZONE

Pacific Time (US & Canada) (-08:00)
5.0
Available for hire

EXPERIENCE

Java
19 years
Apache hadoop
8 years
Hive
7 years
Cassandra
4 years