Sanjay Jothy
Developer @Tata Consultancy Services
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WORK HISTORY
Developer @Tata Consultancy Services
Chennai, IN
EDUCATION
University of Madras
Bachelor's degree, Bsc
University of Madras
Bsc, Computer Science
ABOUT SANJAY JOTHY
Big Data / Data Engineer with 8+ years of experience building scalable enterprise data platforms in Banking and Insurance domains. Strong expertise in Hadoop ecosystem, Spark (Scala/Spark SQL), Hive, HBase, and large-scale data pipeline development.Experienced in platform modernization and data engineering transformations, including HDP to Cloudera CDP migration, Hive to Spark conversion, and Spark version upgrades to improve performance and maintainability of batch data processing systems.Hands-on experience in workflow orchestration (Control-M and Airflow), CI/CD automation using Azure DevOps, and enterprise analytics enablement through Tableau dashboards and extracts.Skilled in implementing Tableau Row Level Security using Active Directory / IAM roles, optimizing Spark workloads using Adaptive Query Execution (AQE), and integrating object storage platforms such as MinIO (S3 compatible) with big data environments.Proven ability to deliver end-to-end data pipelines from ingestion to business intelligence, supporting critical banking analytics and reporting platforms.Note: Open to opportunities in Data Engineering, Big Data Platforms, and Data Platform Modernization roles.
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