What are the responsibilities and job description for the Sr. ETL Tester position at Accord Technologies Inc?
Title: Sr. ETL Tester
Location: Piscataway, NJ (Day 1 onsite Hybrid)
Position type: W2 contract
Job Description
Location: Piscataway, NJ (Day 1 onsite Hybrid)
Position type: W2 contract
Job Description
- Design and execute end-to-end test plans for ETL pipelines built on AWS Lambda, Step Functions, SQS, S3, and Airflow
- Validate data transformations confirm input JSON is correctly adapted and output matches expected schema
- Write SQL test queries against Athena and Postgres to validate row counts, column values, and data completeness
- Test cross-account data flows verify files land correctly, pipeline triggers fire, and status tracking updates as expected
- Build reusable test data sets sample JSON files, mock S3 events, SQS messages
- Perform negative testing malformed files, missing fields, duplicate events, network failures
- Validate DynamoDB state transitions PENDING IN_PROGRESS COMPLETED / FAILED
- Monitor CloudWatch logs during test runs and verify structured log output
- Regression test existing Retirement pipeline after any new Connect changes
- Document test cases, defects, and sign-off criteria per release
- Coordinate UAT with business analysts set up test data and validate reporting output in QuickSight / Athena
- Hands on QTEST, QUMO
- 3 years ETL or data pipeline testing experience
- Strong SQL writing validation queries against large datasets, Athena or Postgres
- AWS hands-on experience S3, Lambda, SQS, Step Functions, CloudWatch
- Experience testing JSON-based data transformations field-level validation, schema checks
- Understanding of event-driven architectures how S3 events, SQS, and triggers work end-to-end
- Experience with test data management creating, maintaining, and isolating test datasets
- Ability to read Python code well enough to understand what a Lambda is doing not necessarily write it
- Strong defect documentation and test case writing and Qtest execution knowledge.
Salary : $45 - $50