Cassandra Database Engineer

A global Investment Bank is looking for a hands-on Cassandra Database Engineer to join a major Financial Crime technology programme. This is a key technical role within a high-profile transformation programme, where you''ll help design and build the Cassandra/NoSQL data platform supporting the migration of data from an existing Oracle environment. Cassandra Database Engineer - Contract London Location: LondonWorking pattern: Ideally 1 day per week in the officeContract: ContractStart: September 2026£600-706 Umbrella The Opportunity A global Investment Bank is looking for a hands-on Cassandra Database Engineer to join a major Financial Crime technology programme supporting a significant NICE Actimize IFM upgrade. This is a key technical role within a high-profile transformation programme, where you''ll help design and build the Cassandra/NoSQL data platform supporting the migration of data from an existing Oracle environment. You''ll have genuine ownership of the Cassandra architecture and will play a critical role in ensuring the platform is high-performing, resilient and production-ready. What You''ll Be Doing Design and implement Apache Cassandra architecture, including keyspaces, tables, partitioning and replication strategies. Develop robust data models aligned to application query and transaction patterns. Support the Oracle-to-NoSQL data migration and associated technical design. Design for high availability, including active-active architecture, failover and ..... full job details .....