https://jobs.co.uk/job/senior-dbaarchitect-banking-london-payments-postgres-sql-strike-it-services--ce5b5f7c-7a57-449d-b7b0-8100a2ff18b1 RSS feed for Senior DBA/Architect - Banking - London - Payments - Postgres SQL at Strike IT Services. en-gb Wed, 22 Jul 2026 01:06:56 GMT https://jobs.co.uk/job/senior-dbaarchitect-banking-london-payments-postgres-sql-strike-it-services--ce5b5f7c-7a57-449d-b7b0-8100a2ff18b1 https://jobs.co.uk/job/senior-dbaarchitect-banking-london-payments-postgres-sql-strike-it-services--ce5b5f7c-7a57-449d-b7b0-8100a2ff18b1 Tue, 21 Jul 2026 11:52:11 GMT Location: London | Salary: 10000-500000 Annual | Type: Contract | We are looking for a highly experienced Senior Database Architect/Senior PostgreSQL DBA to join a large-scale payments modernisation programme within a leading financial services organisation. This role will play a key part in transforming a critical payments platform, helping to migrate from Legacy Mainframe DB2 technology to a modern cloud-based PostgreSQL environment. You will provide technical leadership around database architecture, performance, migration strategy and data integrity, ensuring the platform is secure, scalable and capable of supporting high-volume transactional workloads.Location: Hybrid - 3 days per week in the office Contract: Initial 6 months (likely extension) IR35: Inside IR35 Key responsibilities include: Lead the design and architecture of enterprise PostgreSQL databases supporting mission-critical payment platforms. Review, optimise and improve logical and physical data models across complex transactional systems. Define migration strategies from Legacy Mainframe DB2 databases to cloud-native PostgreSQL environments. Analyse existing schemas, stored procedures, batch processing and data flows to support phased migration. Ensure data integrity, auditabil... Contract