> Markdown version of [/jobs/ext/574550-automation-qa-tester](https://www.wearedevelopers.com/jobs/ext/574550-automation-qa-tester). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Automation QA Tester - **Company:** CONTEMPORARY STAFFING SLTNS - **Location:** Wilmington, DE, United States - **Salary:** $104,000.0 - $124,800.0 - **Contract:** Temporary contract - **Skills:** Airflow, Data Analysis, Automation of Tests, BigQuery, Databases, Data Infrastructure, Extract Transform Load (ETL), Data Warehousing, Microsoft SQL Server, Selenium, SQL Databases, SQL Server Integration Services, Talend, Data Processing, Scripting, Sql Optimization, Informatica Powercenter, Snowflake, Data Delivery, Databricks - **Published:** June 16, 2026 - **Apply:** https://www.dice.com/job-detail/a834dbe2-9ceb-4bc6-9730-ed606f78fd4b ## About the Role * Proven experience with automation testing tools such as Selenium combined with strong knowledge of ETL validation techniques * Advanced SQL expertise including joins, subqueries, common table expressions, and window functions for data analysis and testing * Hands on experience testing databases and data warehouse environments, with preference for Snowflake and exposure to platforms such as Redshift, BigQuery, or SQL Server * Familiarity with ETL and data processing tools such as Informatica, Talend, Databricks, SSIS, or Airflow, along with optional Python scripting capabilities * Strong analytical thinking, problem solving ability, and communication skills with the ability to collaborate effectively across technical teams ## Description * Ensure data accuracy and consistency by validating information across source systems, ETL workflows, data warehouses, and reporting layers * Develop and execute comprehensive test strategies covering data transformations, aggregations, business rules, and both historical and incremental loads * Perform detailed data analysis using advanced SQL to reconcile discrepancies and confirm alignment between source and target systems * Manage defect tracking by identifying issues, documenting findings, and working with engineering teams to drive resolution and improve quality standards * Support reporting validation, user acceptance testing, and production readiness efforts to confirm reliable data delivery across dashboards and analytics tools, This opportunity offers hands on involvement in data driven initiatives that directly impact business operations and reporting accuracy. You will collaborate with experienced data and engineering professionals while expanding your expertise in modern data platforms and testing practices. The role provides meaningful exposure to enterprise level data environments and quality assurance processes. ## Related Videos - [Data Science in Retail](https://www.wearedevelopers.com/videos/586-data-science-in-retail) - [From Messy Queries to Scalable Systems - How Data Engineering actually works](https://www.wearedevelopers.com/videos/100203-from-messy-queries-to-scalable-systems-how-data-engineering-actually-works) - [Continuous testing - run automated tests for every change!](https://www.wearedevelopers.com/videos/190-continuous-testing-run-automated-tests-for-every-change) - [Enjoying SQL data pipelines with dbt](https://www.wearedevelopers.com/videos/823-enjoying-sql-data-pipelines-with-dbt) - [Making Data Warehouses fast. A developer's story.](https://www.wearedevelopers.com/videos/302-making-data-warehouses-fast-a-developer-s-story) - [SMART Test Automation - the experience of legacy transformation](https://www.wearedevelopers.com/videos/100215-smart-test-automation-the-experience-of-legacy-transformation) ## Related Articles - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [Making Data Warehouses Fast: A Developer’s Story](https://www.wearedevelopers.com/magazine/107-making-data-warehouses-fast-a-developer-s-story) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift)