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Karina Talreja

@karinatalreja

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I build scalable data pipelines and actionable analytics using SQL, Python, and PySpark.

India

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What I'm looking for

I'm looking to build scalable data pipelines and analytics solutions that turn complex customer, product, and telemetry data into actionable business decisions.

At Tata Consultancy Services, I build and optimize SQL, Python, and PySpark pipelines for large-scale real-time gaming and telemetry data, turning customer journey and platform behavior into actionable insights.

I've automated recurring workflows, standardized scalable Microsoft Fabric solutions using Data Factory and Spark notebooks, and delivered Power BI and Adobe Analytics reporting for real-time decision-making. I also focus on data validation and edge-case handling to improve accuracy across complex datasets.

Previously at Zangoh, I developed Flask and FastAPI REST APIs, optimized PostgreSQL schemas and queries, and built a real-time video-processing proof of concept with OpenCV and MediaPipe. My Azure and Fabric Data Engineer certifications complement my hands-on engineering and analytics work.

Experience

Work history, roles, and key accomplishments

Current

Data Analyst

Current

Tata Consultancy Services

Jul 2024 - Present (2 years 1 month)

Built and optimized SQL, Python, and PySpark data pipelines to process large-scale, real-time gaming and telemetry data, delivering high-impact insights against tight deadlines. Automated recurring data workflows using Python scripting and AI-assisted functions, cutting manual processing effort and speeding up delivery timelines.