Chethan H O

Role: Azure Data Engineer at Tata Consultancy Services
Location: Bengaluru, KA, IN
LinkedIn followers: 500 followers

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About Chethan H O

Senior Data Engineer at IBM with 12+ years of experience building scalable, cloud-native…

Experience

Azure Data Engineer
Tata Consultancy Services
Feb 2025 — Present · Bengaluru, IN
Worked on Azure-based data engineering project leveraging Databricks, Azure Data Factory (ADF), and Microsoft Fabric to deliver large-scale data pipelines and analytics solutions.Built metadata-driven pipelines in ADF for ingesting 50+ SQL Server and flat-file sources into ADLS Gen2.Implemented Delta Lake (Bronze → Silver → Gold) layers in Databricks with schema enforcement and evolution.Designed incremental ingestion framework using watermarking and CDC logic, reducing processing time by 65%.Developed PySpark transformations for cleansing, deduplication, and dimensional modeling.Integrated with Microsoft Fabric for self-service reporting, enabling business teams to access curated datasets.Delivered Power BI dashboards with DAX measures for sales and operations analysis.Implemented data quality checks (null, duplicates, referential integrity) at ingestion and transformation layers.Optimized jobs using partitioning, broadcast joins, and Delta optimization (Z-ORDER, file compaction).

Education

University of Mysore
Master's degree
2011 — 2013

Contact information

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Current company

Tata Consultancy Services

IT Services and IT Consulting · 726K employees · Founded 1968 · Mumbai, India

Tata Consultancy Services (TCS) is the technology partner of choice for industry leading organizations worldwide. Since its inception in 1968, TCS has upheld the highest standards of innovation, engineering excellence, and customer service. It has set an aspiration to become the world's largest AI-led technology services company and is enabling its clients to transform themselves across the full AI stack, from infrastructure to intelligence. Rooted in the heritage of the Tata Group, TCS is focused on creating long term value for its clients, its investors, its employees, and the community at large. With a highly skilled workforce spread across 55 countries and 202 service delivery centers across the world, the company has been recognized as a top employer in six continents. With the ability to rapidly apply and scale new technologies, the company has built long term partnerships with its clients – helping them emerge as perpetually adaptive enterprises. Many of these relationships have endured into decades and navigated every technology cycle, from mainframes in the 1970s to artificial intelligence today. TCS sponsors 14 of the world’s most prestigious marathons and endurance events, including the TCS New York City Marathon, TCS London Marathon and TCS Sydney Marathon with a focus on promoting health, sustainability, and community empowerment. Caution against fraudulent job offers: TCS doesn’t charge any fee throughout the recruitment process. Refer here: https://www.tcs.com/careers/india/recruitment-fraud-alert

tcs.com

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About Chethan H O

Experience

Azure Data Engineer

Education

University of Mysore

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