Abinanthan Kandasamy
@abinanthankandasamy
I’m a Senior Data Engineer specializing in Azure/AWS Databricks lakehouse ETL, data governance, and performance optimization.
What I'm looking for
I’m an experienced Data Engineer with 4+ years of expertise building and modernising data platforms in cloud lakehouse environments, with a strong focus on end-to-end ETL/ELT pipelines, data transformation, validation, and advanced analytics. I design scalable cloud architectures and optimize performance to help teams deliver reliable, faster data processing for real business outcomes.
Across my roles, I’ve migrated and modernized data systems by converting complex legacy T-SQL logic into efficient PySpark workflows in Databricks, including SQL Server table and stored procedure migrations to PySpark notebooks in Azure Databricks. I’ve also strengthened data trust by implementing reconciliation and validation checks, establishing automated validation scripts and monitoring tools, and driving governance frameworks that reduce manual effort on large datasets.
I’m hands-on in building business-ready outputs—developing and enhancing Power BI dashboards for rule violations, exception records, and reporting visibility with automated refresh schedules. Alongside delivery, I’m certified (Databricks and Azure) and driven by problem-solving, continuous learning, and building innovative, data-driven business solutions, with proven leadership in governance and team management.
Experience
Work history, roles, and key accomplishments
Led STDC migration and Databricks modernisation by converting SQL Server tables and stored procedures into PySpark notebooks in Azure Databricks for scalable warehouse and mart transformations. Improved pipeline performance through PySpark conversions, and ensured data accuracy with reconciliation/validation checks while providing SLA-based production support.
Built and optimised PySpark notebooks in Databricks to automate data quality scoring, enabling scalable governance frameworks and reducing manual validation. Developed Power BI dashboards for monitoring rule violations and exception records, and performed root-cause analysis with stakeholders to define KPIs and governance standards.
Developed and optimised a Medallion architecture in Databricks for structured data transformation and reporting-layer aggregation to support business analytics. Streamlined ETL using Azure Data Factory, improved accuracy and efficiency with PySpark transformations, established automated validation/monitoring, and led Azure migration by converting T-SQL logic to PySpark.
Education
Degrees, certifications, and relevant coursework
Anna University
Bachelor of Engineering, Electronics and Communication Engineering
Grade: CGPA: 8.3 / 10
Bachelor of Engineering in Electronics and Communication Engineering, completed in May 2021. CGPA: 8.3/10.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Job categories
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