Looking for a job

gundlapalli rajesh kumar

@gundlapallirajeshkum

Principal Data Engineer at Mastercard building transaction data products for fraud analytics and machine learning.

At Mastercard, I design and deliver data products for a global transaction data platform supporting fraud analytics and machine learning. I built reusable Apache NiFi pipelines that reduced ETL development effort by 70% and migrated over 5 TB of enterprise data.

Previously at WIPRO TECHNOLOGIES, I developed reusable PySpark frameworks and led ETL delivery for Mastercard and Lloyds Banking Group. At HCL TECHNOLOGIES and INFINITE COMPUTER SOLUTIONS, I developed IBM DataStage jobs for banking, telecommunications, and data warehouse projects.

Experience

Work history, roles, and key accomplishments

Current

Technical Lead – AI Data Engineering

Current

Mastercard

Jan 2023 - Present (3 years 9 months)

Lead the design and delivery of data products for Mastercard's global transaction data platform, supporting fraud analytics and machine learning initiatives. Built reusable Apache NiFi pipelines reducing ETL development effort by 70% and improved ETL batch processing performance by 80%.

AWS Databricks Apache Spark PySpark Spark SQL Delta Lake Hadoop Apache NiFi Python SQL Splunk

Technical Lead / ETL Lead

Wipro Technologies

Aug 2012 - Dec 2022 (10 years 4 months)

Led the design, development, and support of enterprise data integration and ETL solutions for Mastercard and Lloyds Banking Group. Developed generic PySpark frameworks for Hadoop ETL processing and Unix Shell frameworks for batch and historical data processing.

PySpark Hadoop UNIX Shell Scripting ETL Batch Processing Data Profiling Data Quality Sterling Connect:Direct File Transfer

Senior Software Engineer

HCL Technologies

Jan 2010 - Jul 2012 (2 years 6 months)

Developed and tested IBM DataStage parallel jobs to extract, transform, and load data from mainframe files, text files, and Oracle sources into the bank's Core Global Data Warehouse (GDW). Built complex ETL and sequencer jobs to support data integration and consolidation of four source systems.

IBM DataStage ETL Data Warehouse Oracle Mainframe Data Integration

Software Engineer

Infinite Computer Solutions

Jul 2008 - Dec 2009 (1 year 5 months)

Developed IBM DataStage jobs to extract, transform, and load data into Oracle data warehouses and data marts for reporting applications. Built parallel and sequencer jobs for data integration, including order and provisioning data for Verizon's StatusPro application.

IBM DataStage ETL Oracle Data Warehouse Data Integration