Raghav Mittal
@Raghav
Technical Lead – Data Engineering at HCLTech
Noida, Uttar Pradesh, India
Raghav Mittal is a Technical Lead and Data Engineer with expertise in building enterprise-scale Azure data platforms. He has experience processing over 100 million records daily and has successfully reduced pipeline turnaround times by 30%. His technical proficiency includes Azure Databricks, PySpark, and Delta Lake. Raghav has delivered significant performance gains and cost reductions for major clients such as Microsoft and GEICO through intelligent automation and query optimization.
Experience
Technical Lead – Data Engineering
HCLTech
Engineered high-throughput telemetry and data quality pipelines on Azure Databricks for Microsoft, processing 100M+ records/day. Redesigned enterprise-scale ETL pipelines for GEICO using Apache Spark and SQL, reducing pipeline TAT by 30% and processing costs by 15%. Automated CI/CD using Azure DevOps and Git, reducing deployment time by 40%.
Education
Vellore Institute of Technology
Bachelor of Technology
Computer Science
Licenses & Certifications
Databricks Associate Developer for Apache Spark 3.0
Databricks
Big Data Engineering with PySpark, ADF
Udemy