Leka Shree
@Leka
Data Engineer at Tata Consultancy Services (TCS)
Chennai, Tamil Nadu, India
Leka Shree J is a Data Engineer with experience building scalable real-time and batch pipelines for Tier-1 banking systems. She is proficient in Apache Kafka, PySpark, Python, SQL, and Google Cloud Platform, with expertise in designing data warehouse architectures and optimized ELT workflows. She has a proven track record of processing millions of transactions daily and reducing data processing latency while maintaining high data accuracy.
Experience
Data Engineer
Tata Consultancy Services (TCS)
Led the development of a real time and batch transaction analytics pipeline for a Tier 1 banking client, processing 5M+ financial transactions per day, to deliver account level spending insights. Designed and implemented a scalable streaming and batch ETL pipeline using Apache Kafka, Python, SQL Server, Couchbase, and Stonebranch, automating ingestion, validation, aggregation, and reconciliation. Optimized data processing and query performance, reducing end-to-end latency by 40% while maintaining near 100% data accuracy, lowering downstream batch costs by 20% and manual effort by 40%.
Education
Karunya Institute of Technology and Sciences, Coimbatore
B.Tech
Artificial Intelligence and Data Science
Relevant Coursework: Distributed Systems, Data Warehousing, DBMS, Big Data