Looker (SQL Query + ETL)
Tata Consultancy Services
2 - 5 years
Bengaluru
Posted: 08/01/2026
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Job Description
Skill: Looker developer.
Location: Chennai, Bangalore, Hyderabad
Experience Range :7 to 10
Key Responsibilities:
- Design, develop, and maintain PL/SQL procedures, functions, triggers, and packages for data processing and transformation.
- Develop and optimize Unix Shell Scripts for automation, scheduling, and data file handling.
- Work on Data Warehouse architecture, ETL processes, and data integration from multiple sources.
- Ensure data quality, integrity, and performance tuning of SQL queries and ETL jobs.
- Collaborate with business analysts and stakeholders to understand requirements and translate them into technical solutions.
- Monitor and troubleshoot production jobs, ensuring timely resolution of issues.
- Participate in code reviews, documentation, and deployment activities.
- Strong proficiency in Oracle PL/SQL (procedures, functions, packages, performance tuning).
- Hands-on experience with Unix/Linux Shell Scripting.
- Good understanding of Data Warehousing concepts (Star Schema, Snowflake Schema, Fact & Dimension tables).
- Experience with ETL tools (e.g., Informatica, DataStage, or similar) is a plus.
- Familiarity with job scheduling tools (e.g., Control-M, Autosys).
- Knowledge of SQL performance optimization and debugging.
- Ability to work in Agile/Scrum environments.
- Exposure to Cloud Data Platforms (AWS Redshift, Azure Synapse, GCP Big-Query).
- Knowledge of BI tools (Tableau, Power BI).
- Basic understanding of Python or other scripting languages.
if you are interested in this position kindly share your cv or resume to this mail id
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