Hi, I’m Rajanand—a Data Engineer from Bangalore with 13+ years of experience in data platforms, cloud solutions, and analytics. I’m passionate about unraveling complex technical topics, crafting ETL pipelines, and building modern data warehouses. I love sharing knowledge through documentation, note-taking, and soon, deep-dive articles on Substack.

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Skills

1. Data
   • SQL Server, Databricks, Azure Synapse Analytics
   • Spark (PySpark, Spark SQL), Azure Data Factory, SSIS
   • Data modeling
2. Cloud Platform
   • Azure, GCP
3. Business Intelligence
   • Dashboards with Power BI, Tableau
   • Reporting with SSRS

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Articles

1. Predicate pushdown in Spark
2. SQL Server Performance tuning and troubleshooting checklist
3. How to generate numbers table in SQL?
4. How to concatenate multiple rows into a single string in SQL?
5. How to enable dark mode in SSMS?

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Contact

Send me a message on LinkedIn or book a meeting.