- Contributing to open source projects related to Spark: github.com/mahmoudhanafy - Working for 5 years with Java. - Working as Data Engineer since January 2015. - Working with many Big Data tools like: Hadoop, Spark, Oozie, Cloudera Manager, Hive, Flume, Tachyon. - Good at Algorithms and Data Structures. - Used to participate on Competitive Programming contests on online sites like: TopCoder, CodeForces, UVA, SPOJ.