Arun Pentapalli

About Arun Pentapalli

In depth expertise in all phases of database design & implementation, data warehousing concepts and data marts, modelling and normalization techniques.+ Worked extensively in a End-to-End business intelligence workspace.+ Strong knowledge on data wrangling and building reliable and efficient data pipelines.+ Ability to think creatively to solve problems and spot trends in the process of data analysis.+ Adept at finding patterns from historical data trendingIndustry Experience: HR, Telecom, Finance, Marketing & ManufacturingStrengths+ Delivering Results: Focus on the key inputs and deliver them with the right quality and in a timely fashion.+ Learn and be Curious: Never done with learning and always seeking to improve myself. Curious about new possibilities and taking action to explore them.+ Goal Oriented: Separating larger goals into smaller ones, organizing tasks by priority and implementation of time saving strategies.

Experience

1. Sr Data Engineer

   JPMorganChase

   Jul 2023 — Present · US

   Built and operated AWS cloud data platforms using Terraform and Bitbucket CI/CD, reducing manual infrastructure provisioning effort by ~40% and improving deployment consistency across environments• Designed and implemented a multi-layer AWS Lakehouse (RAW/Refined/Trusted) using S3, AWS Glue Catalog, Lambda, and Athena, enabling governed ETL pipelines and analytics consumption via QuickSight• Implemented centralized data security and governance using AWS Lake Formation, integrating with QuickSight and validating secure cross-account data sharing, reducing manual access requests by ~30%• Modernized analytics workloads by converting Parquet datasets to Apache Iceberg, improving table management and query performance for Starburst-based analytics• Optimized platform performance and cost by implementing Starburst resource group policies and automating Oracle RDS LightSwitch scheduling, delivering approximately $5K per week in cloud cost savings

Education

• Texas A&M University-Kingsville

  Masters, Computer Science

  2005 — 2006

• University of Madras

  BE, instrumentation and Control Engineering

  1999 — 2003

Skills

• Teradata
• Oracle
• Requirements Analysis
• Dashboard
• Project Planning
• Cognos
• Unix
• Data Modeling
• Business Intelligence
• Analysis Services
• Etl
• Enterprise Architecture
• Business Analysis
• Data Integration
• Sdlc
• Solution Architecture
• Microsoft Sql Server
• Performance Tuning
• Informatica
• Unix Shell Scripting
• Database Design
• Hadoop
• Databases
• Db2
• Ssis
• Sharepoint
• Soa
• Master Data Management
• Business Objects
• Crystal Reports
• Integration
• Software Project Management
• Software Development
• Agile Methodologies
• Toad
• Olap
• Requirements Gathering
• Data Warehousing
• Sql
• Visio