Phani

Data Engineer @Htms Inc

Sterling, VA, US

Engineered and optimized 20+ complex SQL queries for AWS Athena, improving query performance by 40% and reducing cloud compute costs by 25%.Mapped and validated 100+ data fields from AWS S3 Data Lake to business logic requirements, ensuring 100% accuracy for analytics and reporting deliverables.Developed a pre-deployment data validation framework, decreasing QA defect rates by 30% and accelerating sprint sign-offs.Automated data ingestion pipelines for large-scale datasets in AWS S3, enhancing data availability timelines by 35% across multiple Agile sprints.Collaborated with QA and Data Analysts to troubleshoot and resolve 50+ failed test cases by debugging joins, addressing schema mismatches, and applying partition pruning.Implemented AWS Athena optimization strategies (Parquet format, compression, bucketing), reducing query scan size by 60% and improving cost efficiency.Coordinated deliverables in a Scrum-based Agile environment, ensuring timely development-to-QA handoffs within the first week of each sprint

Sri Chaitanya College of Education

Intermediate

Gitanjali Group of Schools

10 Class

Gokaraju Rangaraju Institute of Engineering and Technology

Bachelor of Technology - BTech

George Mason University

Master of Science - MS