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Data Tester Jobs (NOW HIRING)

Hexaware Technologies, Inc

Data ETL Testing

Reston, VA · On-site

We are looking for a Data ETL Testing Engineer with hands-on experience in ETL testing, Python, AWS, and SQL. Responsibilities * Perform ETL, data warehouse, and source-to-target validation testing.

1 point system

Data QA

New York, NY · Remote

$117K - $140K/yr

Cotiviti is seeking a QA Engineer with strong experience in testing data pipelines and validating large-scale data processing platforms. The ideal candidate will have hands-on expertise with ...

Employvision

MDM Tester - Reltio

Somerset, NJ · On-site

The ideal candidate will ensure data accuracy, consistency, and quality across complex ETL pipelines and MDM platforms. Key Responsibilities * Perform end-to-end testing of ETL and MDM solutions ...

360 IT Professionals

ETL Tester

Minneapolis, MN

Looking for experience with Backend data testing for a data source that we are bringing into Teradata. Top 3 skills SQL, ETL experience, documentation The project will be to validate data against the ...

Centraprise

Data Science Tester

Charlotte, NC · On-site

Data Science Tester Job Location : Charlotte, NC (ONSITE) Job Type : Full-Time Must Have Technical/Functional Skills Minimum Qualifications • Strong SQL experience (Oracle preferred): joins, window ...

ManTech International

SAP Data Services Tester

$89K - $148K/yr

The SAP Data Services Tester is responsible for validating the reliability and performance of SAP implementations, ensuring technical processes map flawlessly to business needs. They design test ...

krg technology inc

Hadoop Tester

Schaumburg, IL

Company Description Krg Tech inc 661 558 0000* 509 Candidate should have minimum 8 years of Experience in Big data testing . Candidate should have minimum 3 years of Experience in ETL testing . 5 ...

Snowrelic Inc

QA Software Tester (W2)

Glen Allen, VA · On-site

SQL & MS SQL Database Skills - Ability to write and execute complex SQL queries for validation and data testing. * Azure DevOps (Boards, Repos, Pipelines, Test Plans) - Strong experience using Azure ...

Infojini Inc

Mainframe Tester

Clemson, SC

THIS POSITION WILL PERFORM QUALITY ASSURANCE (QA) REQUIREMENTS AND SUPPORT USER ACCEPTANCE (UA) TESTING OF SOFTWARE CODING CHANGES TO MEDICAID SYSTEMS RELATED DATA. TESTING OF CHANGES WILL INCLUDE ...

Collabera

Data Warehouse Tester

San Diego, CA

... testing results to ensure system applications are free from defects * Communicate and interact with appropriate areas on problems, changes and enhancements that may impact data, workflow and/or ...

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How much do data tester jobs pay per hour?

As of Jul 26, 2026, the average hourly pay for data tester in the United States is $38.36, according to ZipRecruiter salary data. Most workers in this role earn between $21.39 and $50.72 per hour, depending on experience, location, and employer.

What is a Data Tester job?

A Data Tester is responsible for validating and ensuring the accuracy, quality, and integrity of data in databases, reports, or data-driven applications. They design and execute test cases, identify data anomalies, and work closely with data engineers and analysts to resolve issues. Their role ensures that data used for decision-making is accurate, consistent, and reliable.

What are the main challenges Data Testers typically face in their daily work?

Data Testers often encounter challenges related to dealing with large, complex datasets where inconsistencies or errors can be difficult to identify. They are also tasked with verifying data across multiple sources or migration systems, which requires a keen understanding of both business logic and data architecture. Close collaboration with data engineers, developers, and business analysts is common to resolve issues or clarify data requirements. Staying updated with evolving tools and methodologies is essential, so adaptability and continuous learning are important for long-term success in this role.

What are the key skills and qualifications needed to thrive in the Data Tester position, and why are they important?

To thrive as a Data Tester, you need a solid understanding of data validation, quality assurance processes, and proficiency in querying databases using languages like SQL, often backed by a degree in computer science or related fields. Familiarity with data testing tools such as Apache JMeter, Postman, or specific ETL testing frameworks, and certifications in software testing or data analytics are frequently required. Attention to detail, analytical thinking, and strong problem-solving skills are crucial soft skills for this role. These capabilities ensure the accuracy and reliability of data systems, directly supporting organizational decision-making and operational effectiveness.

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Data Tester jobs near you
Infographic showing various Data Tester job openings in the United States as of July 2026, with employment types broken down into 20% Full Time, 10% Part Time, and 70% Contract. Highlights an 80% In-person, and 20% Remote job distribution, with an average salary of $79,791 per year, or $38.4 per hour.
Data ETL Testing

Data ETL Testing

Hexaware Technologies, Inc

Reston, VA • On-site

Other

Posted 25 days ago

Job description

We are looking for a Data ETL Testing Engineer with hands-on experience in ETL testing, Python, AWS, and SQL.

Responsibilities

  • Perform ETL, data warehouse, and source-to-target validation testing.
  • Write complex SQL queries for data validation and reconciliation.
  • Automate data testing and validation scripts using Python.
  • Validate AWS-based data pipelines, storage, and transformation workflows.
  • Identify, log, and track defects with development and data engineering teams.
  • Ensure data accuracy, completeness, consistency, and integrity.

Required Skills

  • Strong experience in ETL/Data Testing.
  • Proficiency in SQL and Python.
  • Working knowledge of AWS data services such as S3, Glue, Athena, Redshift, or Lambda.
  • Good understanding of data quality checks and transformation logic.
  • Strong analytical and problem-solving skills.

Apply