Accomplished Data Engineer at Commonwealth Bank of Australia, specializing in data quality governance and regulatory compliance. Expert in implementing data quality frameworks and optimizing validation processes, resulting in a significant reduction of false positives. Strong communicator with proficiency in SQL and Python, driving successful collaboration across teams.
Open To Work
Hi, I’m
VIGNESHWAR SR
Bangalore
Summary
Overview
12
years of professional experience
1
Certification
Work History
Commonwealth Bank of Australia
Data Engineer – Data Quality & Governance
09.2021 - Current
Job overview
- Implemented enterprise Data Quality controls (NDV, RDV, RIV, Valid/Invalid checks) aligned with regulatory standards.
- Defined and onboarded business DQ rules into structured rule catalogs.
- Reduced false positives by optimizing DQ thresholds and validation logic.
- Automated SQL-based DQ validations using Python and scheduled workflows.
- Performed deep data profiling and root cause analysis for breach resolution.
- Developed KPI dashboards in Power BI, Tableau, and QuickSight for compliance reporting.
- Collaborated with data stewards and business teams for rule validation and production sign-off.
VFI SLK
Team Leader – ETL & Data Testing
09.2018 - 09.2021
Job overview
- Led ETL validation and integration testing initiatives.
- Designed test strategies aligned with business requirements.
- Conducted SQL-based data reconciliation and integrity checks.
- Managed defect lifecycle and reporting through QC.
- Mentored team members on data validation best practices.
- Coordinated daily operations to ensure efficient workflow among team members.
Tata Consultancy Services
IT Analyst – Data & ETL Testing
01.2014 - 06.2018
Job overview
- Validated large-scale daily data loads for accuracy and completeness.
- Tested complex ETL mappings and reusable transformations.
- Performed system, regression, and sanity testing.
- Managed defects in ALM and supported UAT cycles.
Education
Dr Ambedkar Institute of TechnologyIndia
Bachelor of Engineering from Industrial Engineering
06.2013
University Overview
Skills
- Data quality framework implementation
- Data governance and stewardship
- Business rule definition
- Data profiling and analysis
- Regulatory compliance controls
- Data migration validation
- Metadata management
- ETL testing and integrity assurance
- KPI monitoring dashboards
- Stakeholder communication
- DQ and ETL tools: Ab Initio (Express>IT)
- Databases: Teradata, Oracle, Hive
- Programming: SQL, Python, Unix
- Visualization: Power BI, Tableau, Amazon QuickSight
- Testing tools: JIRA, ALM, QC
- Cloud services: AWS
Certification
AWS Certified - Data Engineer Associate
Work Preference
Job Search Status
Open to workWork Type
Full TimeLocation Preference
RemoteHybridSalary Range
₹45000/yr - ₹200000/yrTimeline
Data Engineer – Data Quality & Governance
Commonwealth Bank of Australia
09.2021 - Current
Team Leader – ETL & Data Testing
VFI SLK
09.2018 - 09.2021
IT Analyst – Data & ETL Testing
Tata Consultancy Services
01.2014 - 06.2018
Dr Ambedkar Institute of Technology
Bachelor of Engineering from Industrial Engineering