Kathirvel Rajmohan
Hey there 👋
I'm Kathirvel Rajmohan
Data Engineer
Kathirvel Rajmohan, Data Engineer
Data Engineer with around 2 years of experience writing complex SQL and building PySpark data pipelines in Databricks — including cluster configuration, job orchestration, and AWS S3 integration — alongside enterprise application development. Databricks Certified Data Engineer Associate, with additional hands-on experience in Delta Lake, data quality frameworks, and Medallion architecture through an independent end-to-end ETL project.
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Education

B.E. in Computer Science and Engineering

IFET College of Engineering, Villupuram, Tamil Nadu — Sep 2021 to Apr 2024 — CGPA: 8.4/10

Diploma in Electrical and Electronics Engineering

Seshasayee Institute of Technology — July 2018 to Jun 2021 — CGPA: 8.2/10
Certifications
My last projects </>
Sales ETL Pipeline

Sales ETL Pipeline
ONGOING

End-to-end data engineering pipeline on Databricks using Medallion Architecture (Bronze/Silver/Gold) on a retail sales dataset. Includes Delta Lake tables with ACID transactions, PySpark transformations, a 53-check automated data quality framework, and a star schema data model.
College Grievance Management System

College Grievance Management System
FOSS

A web-based grievance management system for educational institutions, built with Django, PostgreSQL, HTML/CSS/JS. Lets students, staff, and faculty register and track complaints online with a resolution workflow through the grievance redressal cell.
Latest from blog
Building a Sales ETL Pipeline with Databricks, PySpark, and Delta Lake

Building a Sales ETL Pipeline with Databricks, PySpark, and Delta Lake

A walkthrough of an end-to-end ETL pipeline built on Databricks using Medallion Architecture, PySpark, and Delta Lake, with automated data quality checks and a star schema model.
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