Mohanraj Jayakumar

Building scalable data platforms on Azure Databricks, leveraging Medallion Architecture (Bronze–Silver–Gold layers) for optimized ETL, data quality, and governance. Proficient in Azure Data Lake Storage (ADLS), Azure Synapse, Azure Data Factory (ADF), and Event Hubs for end-to-end data integration and real-time processing.

Built a RAG (Retrieval-Augmented Generation) pipeline on GCP using Vertex AI, BigQuery, and Cloud Storage. Connected data with LLM models to give more accurate and meaningful answers. Improved data retrieval and response speed for better AI performance. Scalable end-to-end data pipelines and warehouse solutions using AWS Glue, DMS, Redshift, S3, and Spark. Created a data lake to store and process large datasets and shared clean data with the machine learning team for model training. Delivered 60+ optimized reports across multiple teams within the company, improving data visibility and decision-making.