Senior ETL Tester

Description :

Job Description :

We are seeking a skilled ETL Tester with substantial hands-on experience in advanced SQL and Python.

This role is open to candidates with either a Quality Assurance (QA) or Developer background, provided you can demonstrate core expertise in complex SQL operations on ETL platforms.

Key Responsibilities :

- Write and optimize advanced SQL queries for data validation, transformation, and troubleshooting.

- Collaborate with development teams to understand business and data transformation

requirements.

- Validate large volumes of data across multiple sources and targets using advanced SQL.

- Develop automation scripts in Python for ETL testing and process streamlining.

- Analyze, report, and track defects; recommend solutions.

- Participate in Agile/Scrum processes and provide expertise throughout the test life cycle.

Required Skills & Qualifications :

- Strong command of advanced SQL (complex joins, window functions, query optimization, data analysis).

- Proficiency in Python for scripting and automation.

- Experience with ETL tools (e.g., Informatica, Talend, DataStage, SSIS) is a plus.

- QA professionals or Data/ETL developers with hardcore SQL expertise are welcome.

- Ability to troubleshoot, analyze, and validate large datasets.

- Excellent communication and interpersonal skills.

- Bachelors degree in Computer Science, Information Technology, or related field.

Must have :

- Good background in ETL Testing.

- Good background in SQL / Db testing.

- Experienced with AWS services required are S3, Glue, Cloudwatch, Airflow and Athena.