Senior Database Engineer ( Apache Cassandra )

Role & responsibilities

We are looking for a Senior Database Engineer whose core strength is Apache Cassandra as our primary system. You will work on our distributed database platform, end to end - designing the data model, running the cluster, securing it, backing it up, and if necessary , performing recovering.

Knowledge of PostgreSQL will also be required for a smaller set of data. You will have extensive expertise in order to develop and manage tasks from scratch on an independent basis.

Skills we need :-

• Apache Cassandra
• Data Modelling (Cassandra)
• Cluster Operations
• PostgreSQL Working competence
• Linux & Scripting

Core responsibilities - Apache Cassandra

1. Data Modelling & Schema Design

2. Cluster OperaHons & Scalability

3. Query Performance & Optimisation

4. Pre-Deployment Checks Before Any Change Reaches Production

5. Post-Deployment Actions After the Change Is Live

6. Security, Authentication & Access Control

7. Backup, Recovery & Business continuity

8. Monitoring & Maintenance

9. Production Support & Incident Handling

10. PostgreSQL responsibilities (Secondary Workload)

11. Automation & Documentation

Required Skills and Qualifications:-

• Bachelor's degree in Computer Science, InformationTechnology, or a related field
• 3-8 years of hands-on experience managing production databases
• Minimum 3 years of production experience with Apache Cassandra
• Proven experience designing Cassandra data models using query-first principles
• Demonstrated experience operating a multi-node Cassandra cluster in production
• Hands-on experience with node addition, removal, repair, and compaction management
• Practical experience with Cassandra backup, snapshot, and restore procedures
• Strong command of CQL and clear understanding of Cassandra internals - SSTables, memtables, commit log, tombstones, read/write path
• Working competence in PostgreSQL — able to operate, tune, back up, and support it independently
• Strong SQL skills
• Comfort operating on Linux servers without a GUI
• Scripting ability for automation(Shell, Python, or equivalent)