senior dbms developer for business information company

Data Integration, Amazon Keyspaces, Apache Cassandra, Continuous Integration Development & Maintenance, Linux, Amazon Web Services, CloudFormation, Python, Terraform

Poland

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Senior DBMS Developer for Business Information Company

Currently, we are looking for a remote Senior DBMS Developer in Java to join our team.

responsibilities

Cassandra cluster planning, which includes Data sizing estimation, and identify hardware requirements based on the estimated data size and transaction volume
Creating, installing, and configuring a Cassandra cluster
Using tools to monitor cluster availability and performance
Exporting data into different data formats
Using primary index and secondary indexes correctly to perform queries on data
Backuping and restoring data to secure the system in the event of failure
Tuning the performance of Java Virtual Machine (JVM), caches, and compaction
Conducting a stress test on a Cassandra cluster and interpreting the performance results

requirements

3+ years of relevant experience
In depth knowledge of architecting and creating Cassandra/no SQL database systems
Cassandra Data Modelling, NoSQL Architecture, Keyspace, Table, Index creation, User creation & access administration
Strong understanding of complex inner workings of Cassandra, such as the gossip protocol, hinted handoffs, read repairs, Merkle trees
Tombstones and garbage purging
Administration, Maintenance and supporting of the cluster using Opscenter, Devcenter, Linux, Spark
CQL Queries to support Integration with Cassandra Cluster
Basic ci/cd pipelines configuration experience