Data Lineage Developer for Tier 1 bank in Canary Wharf
Role - Data Lineage Developer
Duration - 6 months with very likely extension
Location - Hybrid / Canary Wharf - 3 days per week in a Canary Wharf office
Rate - £415 per day (Inside IR35)
Tech Stack
- C#
- Oracle
- PL/SQL
- Data Lineage
- Data Mapping
- Data Flows
- Documentation
Role
- Primary responsibility will be to reverse-engineer complex source code to document data flows and transformations. You will collaborate closely with application teams, DBAs, and data governance specialists to ensure that lineage artifacts are complete and aligned with organizational standards. Your work will help enhance the understanding of our data assets, enabling better decision-making across the organization.
Tasks
- 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.
Key Skills & 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.
GCS is acting as an Employment Business in relation to this vacancy.
Data Lineage Developer - Banking
Greater London
Contract
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