Bhargavi G

About Bhargavi G

I’m a Senior Data Engineer over the years i have been dealing with complex data…

Experience

1. Data Engineer

   American Express

   Jan 2024 — Present · US

   Designed and built high-performance data architectures, handling more than 30TB of transaction data per day, optimizing data storageand retrieval by 25% through the use of Hadoop, Apache Spark, and cloud-based solutions for scalability. Enhanced ETL workflows to process large-scale financial data efficiently, reducing processing times by 40% through system optimizationand incorporating parallel processing techniques, boosting data throughput and operational efficiency. Constructed data warehousing systems to handle increasing data volumes, enhancing query performance by 35% by introducing advancedindexing methods and optimizing query execution plans, reducing database load. Automated complex data synchronization tasks, improving data consistency across systems by 30% and cutting manual intervention by50%, enabling real-time data availability for business decision-making. Advanced customer segmentation algorithms, integrating new data sources to refine targeting, leading to a 20% increase in marketingeffectiveness by tailoring campaigns to more accurately reflect customer needs and preferences. Worked closely with data science teams to deploy machine learning models into production, achieving a 10% reduction in fraudulentactivity by improving the detection and prediction of financial fraud using real-time data streams and AI-driven models

Education

• Southern University and A&M College- Baton Rouge

  Master's degree

  2023 — 2024

• Sathyabama Institute of Science & Technology, Chennai

  Bachelor of Engineering - BE

  2015 — 2019