Salary: £25,000 - 50,000 per year Requirements: Strong proficiency in C#/.NET and Oracle PL/SQL, including complex query analysis and performance tuning. Solid understanding of application server and Oracle database structures. Python scripting skills for automation or data analysis (desirable). Familiarity with data lineage concepts and metadata management. Experience with Collibra or similar data governance tools (preferred but not mandatory). Ability to interpret complex source code and explain findings to both technical and non-technical stakeholders. Strong documentation skills for creating clear, structured lineage artifacts. Demonstrated ability to collaborate and communicate effectively with system owners and DBAs, accurately documenting technical requirements. Ability to work collaboratively across multiple teams and time zones. Responsibilities: Analyse C#/.NET application source code to identify SQL interactions and data flows. Review Oracle PL/SQL scripts, stored procedures, and ETL logic to document transformations and dependencies. Extract and organize technical details for lineage mapping, ensuring clarity and accuracy. Collaborate with Collibra engineers to register lineage and metadata assets in the Collibra platform. Validate lineage completeness through cross-team communication with DBAs and application developers. Manage version control for analysed source code and related documentation, ensuring all updates are tracked and aligned with established governance standards. Provide technical insights to resolve ambiguities in code logic and database interactions. Technologies: C# ETL Oracle Python SQL ASP.NET More: We are a Tier 1 bank located in Canary Wharf, offering a hybrid work environment with three days per week in our office. This six-month contract role has a competitive rate of £415 per day, with a very likely extension. Our team is focused on enhancing the understanding of our data assets, thereby enabling better decision-making across the organization. We value collaboration and are looking for someone who can work effectively with cross-functional teams. last updated 4 week of 2026