Hi, I'm Rajakumar! I’m a Big Data & ETL Engineer with 5+ years of experience, specializing in Azure, Databricks, PySpark, SQL, and Data Engineering. I have expertise in building scalable ETL pipelines, optimizing Spark jobs, and architecting end-to-end data solutions. I’m passionate about solving complex data challenges, implementing real-time processing, and mentoring professionals in Big Data & Cloud technologies. Let’s connect to discuss data engineering strategies, Spark optimizations, and career guidance! 🚀