Vaishali Vinayagam
@vaishalivinayagam
Results-driven Data Engineer with 8+ years building scalable ETL and lakehouse solutions.
IndiaWhat I'm looking for
I am a results-driven Data Engineer with over eight years of experience designing and implementing scalable ETL pipelines, data warehouses, and lakehouse architectures. I have a proven track record of optimizing data workflows—architecting Dremio and Apache Iceberg lakehouses, engineering DataStage and Python pipelines that process 500GB+ daily with 99.9% reliability, and integrating Airflow with DBT for reliable ELT orchestration.
I deliver actionable business insights through interactive Power BI dashboards and performant data models, having reduced query latency by 40% and improved legacy ETL performance by 35%. I mentor junior engineers, design star and snowflake schemas, and drive data quality via automated validation and reconciliation while leveraging Snowflake, Databricks, PySpark, T-SQL and containerization tools to support enterprise analytics needs.
Experience
Work history, roles, and key accomplishments
Data Intel Engineer
LKQ India Private Limited
Sep 2024 - Present (1 year 6 months)
Architected and deployed data lakehouse solutions using Dremio and Apache Iceberg, reducing query latency by 40% and engineered ETL pipelines processing 500GB+ daily with 99.9% reliability.
Senior Software Engineer
HCL Technologies
Nov 2021 - Oct 2024 (2 years 11 months)
Led migration of legacy ETL to cloud-native solutions, achieving 35% performance improvement and developed 100+ DataStage jobs supporting critical operations.
Designed and implemented ETL workflows integrating 15+ heterogeneous sources, built automated data validation reducing manual effort by 60%, and supported BI initiatives with reporting data marts.
Education
Degrees, certifications, and relevant coursework
R.M.D. Engineering College
Bachelor of Engineering, Electrical and Electronics Engineering
2012 - 2016
Completed a Bachelor of Engineering in Electrical and Electronics Engineering, focusing on core engineering principles and practical applications.
Tech stack
Software and tools used professionally
Availability
Location
IndiaAuthorized to work in
Website
vaishalivinayagam.workJob categories
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