Lakshmikanth Mangali
@lakshmikanthmangali
Data Engineer at Tata Consultancy Services (TCS) working on Walmart data platforms, who modernized ETL workflows and integrated Dataproc with Airflow.
IndiaWhat I'm looking for
At Tata Consultancy Services (TCS), I worked on Walmart's Transaction 360 platform, developing and optimizing PySpark and SQL ETL pipelines for retail transaction data. I also migrated legacy SQL queries and modernized workflows using Databricks.
On the DPaaS Migration project, I integrated Dataproc clusters with Apache Airflow DAGs and developed ETL processes using PySpark, SQL, and GCP services. I built and maintained workflows for scheduling, monitoring, and error handling.
I also worked on cluster utilization and infrastructure cost improvements through resource management, and performed performance tuning and data validation to support reliable pipeline execution.
Experience
Work history, roles, and key accomplishments
Data Engineer
Migrated legacy SQL queries and modernized data workflows using Databricks. Developed and optimized ETL pipelines using PySpark and SQL for large-scale retail transaction data.
Education
Degrees, certifications, and relevant coursework
Madanapalle Institute of Technology and Science
Bachelor of Technology, Mechanical Engineering
2021 - 2024
Pursued a Bachelor of Technology in Mechanical Engineering from 2021 to 2024.
Availability
Location
IndiaAuthorized to work in
Salary expectations
Social media
Job categories
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