Senior Data Engineer (Financial Services), London Rate: up to 600 per day (Outside IR35) Length: 6 months inital, possibility of extension, starting June 2026. Working Pattern: 2 days on-site (Liverpool St.) per week. Opus are working with a leading financial services firm who're decommissioning their legacy on-prem data warehouse and migrating all critical workloads to Snowflake on AWS. They need a contract&nb...