All Services Programming & Development Programming & Software Java Backend developer Share This Copy Link Directly Copy $10/hr · Starting at $25 I have been working as Java backend developer for over 13 years. In addition to java ,i have worked on spring framework, Big Data (Hadoop, Hbase, Spark, Impala, Hive, Kafka) ,AWS (S3, EMR, SQS etc), Oracle.I also have experience of working on optimization, Performance improvement, debugging and maintenance across multiple projects. Skills & Expertise Amazon S3Amazon Web ServicesApache HiveBig DataJavaJSONObject-Oriented ProgrammingProgrammingSoftware DevelopmentSpring FrameworkSQLUnixVersion Control 0 Reviews This Freelancer has not received any feedback.