Krishna Bisen

• Migrated legacy Informatica workflows to modern PySpark and Databricks pipelines.
• Built scalable ingestion and transformation pipelines processing over 100 files daily.
• Integrated data from diverse sources into Azure SQL Database for streamlined access.
• Developed modular shell scripts for efficient workflow orchestration and job monitoring.
• Collaborated with business teams to establish validation logic, ensuring accurate data delivery.

Company Overview: Client: Travelers

• Performed end-to-end ETL development using Informatica PowerCenter and TDM.
• performed data validation with AQT and Oracle, and created DB2 tables and IMS data maps with PowerExchange Navigator.
• Automated ETL processes and optimized workflows with Python, XML, and the Informatica framework, ensuring efficient data integration and transformation.
• Creating and updating test cases on Rally, following the Agile methodology, along with Scrum meetings.

• Company Overview: Client: UBS
• Developed automated pipelines using Informatica and Shell scripts.
• Handled end-to-end data processing for asset classes and regulatory feeds.
• Administered and upgraded the Informatica platform from 9.6.1 to 10.1.1.
• Implemented data security and access policies for ETL users.

Company Overview: Client: Frontica Business Solutions.

• Built ETL pipelines integrating XML, CSV, flat files, and RDBMS sources.
• Led standalone development projects from design to deployment.
• Developed PowerShell automation scripts for data loading and validation.

• Company Overview: Client: GE Capital
• Developed data conversion pipelines using Informatica 9.5.,cobol and JCL.
• Designed Oracle PL/SQL stored procedures and COBOL-based batch jobs.
• Collaborated in legacy system modernization and performance optimization.