onsite
Lead Data Quality Analyst - Sainsbury's
Software Engineer
Lead Data Quality Analyst driving data integrity across the organization, leveraging Python, SQL, and advanced ETL techniques to ensure high‑quality datasets for AI and analytics initiatives.
About the role
Key Responsibilities
- Design, implement and maintain data quality frameworks and automated validation pipelines across multiple data sources.
- Collaborate with data engineers and business stakeholders to define quality metrics, data standards, and governance policies.
- Lead root‑cause analysis of data anomalies, recommend remediation actions, and track resolution progress.
- Develop and run SQL‑based data quality checks, and build Python scripts for complex data profiling and cleansing.
- Document data quality processes, produce regular dashboards, and communicate findings to technical and non‑technical audiences.
Requirements
- 5+ years of experience in data quality, data governance, or related analytics roles.
- Strong proficiency in SQL and Python for data manipulation and automation.
- Hands‑on experience with ETL tools and data profiling techniques.
- Excellent analytical, problem‑solving, and communication skills.
- Familiarity with cloud data platforms (e.g., AWS, Azure) is a plus.