Balaji Polani

Balaji Polani

Data Engineer


About

ETL developer with over 5.9 years of professional IT experience, focused on ETL, data integration & ingestion, system optimization and snowflake skills. Adept at utilizing tools like IBM DataStage, Informatica, SQL, Snowflake and UNIX. Proven record in managing large projects and delivering high-quality database solutions.

Skills
DataStage
Snowflake
Informatica
SQL
Python
Unix
Experience

Data Engineer

Deloitte

Dec 2025 to Present

Engineer

Tata Consultancy Services

Jan 2021 to Nov 2025
  • 1.Conducted in-depth analysis of business requirements and collaborated with stakeholders to define data integration strategies, designing DataStage jobs to align with user requirements.
  • 2.Played a pivotal role in the development of data ingestion, data archival and also Snowflake related projects.
  • 3.Developed complex DataStage jobs incorporating various DataStage connectors and stages to adhere to technical specifications and ensure data quality.
  • 4.Proactively identified and resolved defects and bugs in DataStage jobs due to code errors or evolving business requirements, conducting rigorous unit testing and validating data integrity in databases post-loading.
  • 5.Exceptional skills in addressing data quality issues with users and explaining complex database structures.
  • 6.Proven ability to troubleshoot and resolve multiple development issues and ensure project deliverables and have handled the projects individually.
Education

Bachelor of Technology

St.Anns College of Engineering and Technology

Jun 2016 to Jul 2020
Balaji Polani · DevFest Hyderabad 2026