Big Data Developer

WWS ID: 92060

Client: Capgemini/Charter Communications

Role: Programmer / Developer Lead – BigData Developer

Work Location: Denver/, CO


We are looking for a person who is having hands on experience in Cassandra Development, Administration and having experience on Java/ J2EE and Big data technology stack will be added advantage.


• Cassandra cluster planning which includes Data sizing estimation, and identify hardware requirements based on the estimated data size and transaction volume.

• Create, install, and configure a Cassandra cluster

• Use tools to monitor cluster availability and performance

• Export data into different data formats

• Use primary index and secondary indexes correctly to perform queries on data

• Backup and restore data to secure the system in the event of failure

• Tune the performance of Java Virtual Machine (JVM), caches, and compaction

• Conduct a stress test on a Cassandra cluster and interpret the performance results

• Cassandra Data Modelling, NoSQL Architecture, Keyspace, Table, Index creation, User creation & access administration.

• Work closely with the application team to resolve issues related to spark, cql and loading issues etc.

• CQL Queries to support Integration with Cassandra Cluster

• Administration, Maintenance and supporting of the cluster using Opscenter, Devcenter, Linux, Spark,

• Working closely with Cassandra loading activity on history load and incremental loads from Oracle

• Databases and resolving issues and tuning the loader for optimal performance.

• Should have experience on Big data technologies like HDFS, SQOOP, Spark Stream & SQL, Kafka

• Good Experience on Core Java, Spring Boot Micro Services, REST & SOAP web services, Hibernate and proficient knowledge on SQL & PLSQL.

• Good Experience on streaming data using Flume

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