Start programming in 1995, Solid knowledge in algorithm and computer science (B.E. & M.E.). Familiar with Java, Python and Scala. BigData Engineering: Batch processing(Hadoop stack, Pig, Hive) and Real-time processing(Storm and Spark). BigData architecture: design, setup and maintain the entire ecosystem(storage, database, message queue and frameworks). Familiar with Linux, distributed system, cloud infrastructure: AWS and GAE.