Cassandra Database Engineer

Salary: £? - ? per year

Requirements:

• A bachelors degree in Computer Science, Information Technology, Engineering, or a related field.
• 4–9 years of hands-on experience in NoSQL database engineering, specifically with Apache Cassandra.
• Proficiency in keyspace and table design, replication strategies, and performance tuning.
• Familiarity with Linux administration, CQL, and cluster operations.
• Experience in regulated environments, with a strong understanding of security measures.

Responsibilities:

• Design and implement Cassandra keyspaces, data models, and cluster architecture for a high-throughput fraud detection platform.
• Collaborate closely with application and middleware teams to ensure seamless data integration and alignment with business goals.
• Take ownership of keyspace design, performance tuning, and operational readiness of the data platform.
• Produce design documentation and operational runbooks to support knowledge transfer.

Technologies:

• Cassandra
• Support
• Linux
• NoSQL
• Security

More:

We are a leading organisation in the banking sector, and our Financial Crime Technology team is looking for a talented Cassandra Database Engineer to help enhance fraud detection capabilities. This is a 6-month initial contract based in London, with 1 to 2 days per week onsite and a daily rate of up to £730 inside IR35 via umbrella. We offer an opportunity to work in a fast-paced, regulated environment where your NoSQL expertise will make a meaningful impact. We are also a disability-confident employer committed to an inclusive and accessible recruitment process and a supportive environment for candidates of all backgrounds and abilities.

last updated 30 week of 2026