Senior ETL & Data Quality Tester — Python/PySpark

Valiant Technologies LLC; Boston (MA); On-site; USD 86,000 - 123,000; Full time

Job summary

Valiant Technologies LLC in Boston, MA is seeking a Senior ETL Tester for a 12-month engagement with possible extension. Location is Boston; work authorization options include US citizens, H-1B, OPT-EAD, GC-EAD. Bill rate is $76/hour with W-2, 1099 or C2C engagement.

The role emphasizes automation and ETL testing using Python, PySpark, Spark SQL, and Data Bricks, in a finance/banking context with compliance tooling. Strong communication and documentation are essential.

Qualifications

• 9+ years of automation and ETL testing experience.
• Hands-on Python and PySpark automation.
• Strong SQL, Spark SQL and Data Bricks knowledge.
• Experience testing web and cloud-based applications.
• Familiarity with finance/banking domain and compliance tools.
• Proven experience in functional/manual testing.

Responsibilities

• Design, implement and maintain ETL test automation framework.
• Develop and run Python/PySpark test scripts.
• Create and execute data quality and migration tests.
• Collaborate with QA and development teams.
• Document tests, results and defects in tracking tools.
• Ensure test coverage for web and cloud applications.

Skills

ETL Testing

Automation Testing

Python

PySpark

Spark SQL

Data Bricks

SQL

Test Case Management

Defect Tracking

Tools

TOAD

Job description

Valiant Technologies LLC in Boston, MA is seeking a Senior ETL Tester for a 12-month engagement with possible extension. Location is Boston; work authorization options include US citizens, H-1B, OPT-EAD, GC-EAD. Bill rate is $76/hour with W-2, 1099 or C2C engagement.

The role emphasizes automation and ETL testing using Python, PySpark, Spark SQL, and Data Bricks, in a finance/banking context with compliance tooling. Strong communication and documentation are essential.