Nagaraju Angirekula

About Nagaraju Angirekula

I\'m a Data Engineer with 4+ years of experience building scalable data pipelines, warehousing solutions, and BI reporting systems. Currently working as a Digital Specialist Engineer at Infosys, I specialize in: Snowflake — Data Modeling, Snowpipe, Streams & Tasks, Query Optimization Python — UDFs, Stored Procedures, Data Transformation ELT/ETL Pipelines — Apache Airflow, end-to-end pipeline design BI Reporting — Tableau, SAP BOBJI\'ve successfully delivered 5 major production releases with zero rollbacks and led cross-functional teams to build data solutions that drive real business impact.Currently upskilling in Generative AI — exploring how LLMs and AI-powered automation can transform data engineering workflows. Open to exciting opportunities in Data Engineering & Gen AI. Let\'s connect!

Experience

1. Digital Specialist

   Infosys

   Apr 2025 — Present · Hyderabad, IN

   Snowflake & Data Engineering:Architected and implemented Snowflake data models including Star/Snowflake schemas, tables, views, and materialized views to support enterprise-scale analyticsBuilt and optimized ELT pipelines ingesting data from multiple heterogeneous sources into Snowflake using Snowpipe for real-time streaming ingestionDeveloped Python UDFs and Stored Procedures for complex data validation, transformation, and enrichment, reducing manual processing timeImplemented Streams & Tasks for Change Data Capture (CDC) and automated pipeline orchestrationLeveraged Time Travel & Zero-Copy Cloning for data recovery, testing, and environment managementPerformed Query Optimization & Performance Tuning — optimized slow-running queries resulting in improved pipeline efficiencyOrchestrated data workflows using Apache Airflow DAGs, automating end-to-end pipeline schedulingCreated Keystone jobs to automate stored procedure execution on scheduled intervalsManaged extraction, transformation, and loading of data from multiple source systems into Snowflake data warehouseProject Delivery & Leadership:Successfully executed production cutover plans for 5 major project releases with zero rollbacks, managing full IT and UAT testing cyclesLed a team of 3 engineers, providing technical and functional mentorshipManaged end-to-end lifecycle of Tableau and SAP BOBJ BI reports from development to production supportResolved critical defects during UAT, IT, and PROD phases, maintaining system stabilityUtilized Git/GitHub for version control and Radar for Agile task and bug managementCollaborated with cross-functional teams to align data solutions with business objectives

Education

• Osmania University

  Master of Computer Applications - MCA, Computer and Information Sciences and Support Services

  2018 — 2021

• Mahatma Gandhi University, Nalgonda

  Bachelor of Science, Computer Science

  2015 — 2018