Sayali Bhangale

Informatica Developer with 4+ years of hands-on experience in developing, optimizing, and orchestrating data pipelines using Databricks and Informatica. Skilled in executing robust ETL operations and managing data storage across cloud and on-premise systems. Experienced in implementing Data Lakehouse Architecture for scalable, high-performance data solutions. I am looking forward to learn and contribute value in a dynamic environment.

INFORMATICA DEVELOPER - COGNIZANT - PUNE

(2022-04)

• Developed and maintained ETL workflows using Informatica PowerCenter to extract, transform, and load data from multiple source systems into target databases and data warehouses.
• Designed mappings using Source Qualifier, Expression, Lookup, Joiner, Aggregator, Filter, Router, and Update Strategy transformations.
• Developed reusable workflows and mappings based on business and technical requirements.
• Created complex SQL queries using joins, subqueries, CTEs, and analytical functions for data extraction and validation.
• Performed source-to-target validation to ensure data completeness, accuracy, and consistency.
• Implemented data cleansing, standardization, validation, and enrichment rules.
• Worked with incremental and full data loads based on business requirements.
• Monitored scheduled batch workflows through Informatica Workflow Monitor and investigated failed sessions.
• Performed root cause analysis for ETL, database, and data-quality issues and supported production recovery.
• Optimized SQL queries and Informatica mappings to improve ETL performance.

Master of Computer Science - Computer Science - Kavayitri bahinabai chaudhari north maharashtra university (2021-09 - 2023-06)