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Database Developer | London | Fintech

Job description

We’re working with a leading organization seeking a highly experienced Oracle Database Developer with hands-on expertise in Exadata Cloud at Customer (ExaCC) and deep knowledge of Oracle 19c internals. This is a senior-level role for someone who goes beyond conventional database development — an expert who understands the engine under the hood and can design, optimize, and troubleshoot with precision.
Key Responsibilities
  • Design and optimize high-performance Oracle database solutions, with specific focus on ExaCC environments.
  • Troubleshoot complex performance issues using internal diagnostics (e.g., ASH, AWR) rather than canned tools.
  • Collaborate with architects and data modelers to refine and challenge schema designs.
  • Build reusable components and streamline legacy database code.
  • Work closely with DevOps teams using OpenShift, CI/CD tools (Jenkins, GitHub Actions), and scripting (e.g., Bash, Python).
  • Contribute to systems design with a strong emphasis on observability and supportability.
Key Skills & Experience
  • 10+ years of Oracle database development with at least 2 years in ExaCC and Oracle 19c.
  • Expertise in SQL, PL/SQL, and advanced performance tuning (e.g., bind variable peeking, cursor sharing, hard parsing).
  • In-depth understanding of Oracle internals, including wait events, cardinality feedback, and histograms.
  • Experience with both OLTP and Data Warehouse tuning approaches.
  • Familiar with containerized deployments and CI/CD best practices.
  • Comfortable presenting complex concepts to both technical and non-technical audiences.
  • Must have proven experience in Credit Risk - Stress Testing
Nice to Have
  • Experience with Liquibase/Flyway, monitoring tools (Prometheus, ELK, Grafana).
  • Exposure to cloud platforms (e.g., GCP, AWS).
  • Familiarity with data warehousing patterns (e.g., SCDs, fact tables, junk dimensions).
Benefits include:
  • 25 days holiday plus bank holidays
  • pension
  • Death in service (4x salary)
  • Dental
  • Private medical
  • flexible working policy - 2 days on site