Cognizant

QA Engineer - API, Database & Batch Testing

Cognizant$80K — $95K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of hands-on experience testing REST and SOAP APIs.
  • Proficient in using Postman, Swagger, SoapUI, or Rest Assured.
  • Advanced SQL skills for database testing and data validation.
  • Experience in batch testing and ETL processes.
  • Familiarity with Agile methodologies and tools like Jira or Azure DevOps.

Responsibilities

  • Design and execute functional and regression test cases for APIs.
  • Validate data accuracy and integrity using SQL queries.
  • Test database components like procedures and views for enterprise applications.
  • Perform batch and ETL testing to ensure data processing accuracy.
  • Document defects and communicate testing outcomes to Agile teams.

Benefits

  • Comprehensive Medical, Dental, and Vision Insurance.
  • Paid holidays and Paid Time Off.
  • 401(k) plan with company contributions.
  • Long-term and Short-term Disability coverage.
  • Paid Parental Leave.
  • Employee Stock Purchase Plan.
Full Job Description
About the role
As a QA Engineer - API, Database & Batch Testing, you will make an impact by validating backend applications, system integrations, data flows, and batch processes. You will help ensure application quality, data integrity, and reliable end-to-end business operations across enterprise applications. You will work collaboratively with developers, business analysts, product teams, and other quality engineering professionals throughout the software development lifecycle.

In this role, you will:
• Design and execute functional, integration, regression, and end-to-end test cases for REST and SOAP APIs, including validation of request and response payloads, status codes, authentication, error handling, and business rules.
• Validate backend data accuracy, integrity, and consistency using advanced SQL queries across applications, databases, and integrated systems.
• Test stored procedures, functions, views, database validations, and source-to-target data transformations supporting enterprise applications.
• Perform batch and ETL testing to validate scheduled jobs, data processing, data reconciliation, dependencies, exception handling, and downstream results.
• Document defects, maintain test evidence, communicate testing outcomes, and collaborate with Agile delivery teams to support timely resolution of quality issues.

Work model
We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role's business requirements, this is a hybrid position requiring 3 days a week in a client or Cognizant office in Lauderdale, FL. Regardless of your working arrangement, we are here to support a healthy work-life balance through our various wellbeing programs.
The working arrangements for this role are accurate as of the date of posting. This may change based on the project you're engaged in, as well as business and client requirements. Rest assured, we will always be clear about role expectations.

What you need to have to be considered
• Strong hands-on experience testing REST and SOAP APIs, including the use of tools such as Postman, Swagger, SoapUI, or Rest Assured.
• Advanced SQL skills and experience performing database testing, backend validation, and data integrity verification using databases such as SQL Server or Oracle.
• Experience with batch testing, ETL testing, source-to-target validation, and data reconciliation.
• Experience testing chatbot functionality, integrations, conversational workflows, and backend responses.
• Understanding of Agile methodologies and experience using defect and work management tools such as Jira or Azure DevOps.

These will help you stand out
• Experience validating scheduled batch processes using Control-M, Airflow, or similar orchestration tools.
• Knowledge of API automation, database test automation, and reusable testing frameworks.
• Experience testing complex integrations and data flows across multiple enterprise applications.
• Ability to analyze logs, isolate backend issues, and collaborate with development teams on root-cause analysis.
• Strong communication, analytical, and problem-solving skills.

We're excited to meet people who share our mission and can make an impact in a variety of ways. Don't hesitate to apply, even if you only meet the minimum requirements listed. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting things to this role.

Benefits:
Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:
Medical/Dental/Vision/Life Insurance
Paid holidays plus Paid Time Off
401(k) plan and contributions
Long-term/Short-term Disability
Paid Parental Leave
Employee Stock Purchase Plan

Cognizant will only consider applicants for this position who are legally authorized to work in the United States without company sponsorship.
*Please note, this role is not able to offer visa transfer or sponsorship now or in the future*

Additional employment information
Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.

About Cognizant

TriZetto is Powering Integrated Healthcare Management. With technology solutions touching more than half the U.S. population today, TriZetto is uniquely positioned to drive the convergence of core benefit administration, care management and constituent engagement. TriZetto provides premier information technology solutions that enable payers and other constituents in the healthcare supply chain to improve the coordination of benefits and care for healthcare consumers.

Cognizant Careers

Join the vibrant team at Cognizant, a leading provider of information technology, consulting, and business process services. Cognizant is not just a company; it's a community where innovation, leadership, and diversity are valued and where every team member is encouraged to thrive.

Work You’ll Do

At Cognizant, we are dedicated to helping the world's leading companies build stronger businesses — not just for today but for the future. This commitment to growth and sustainability is what makes Cognizant a unique place to advance your career.

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Whether you're looking for an entry-level position or a more senior role, Cognizant offers a plethora of job opportunities that could be perfect for you. Our hiring process is designed to be transparent and engaging, ensuring that every candidate is able to showcase their skills and potential fully.

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Kickstart your career with Cognizant’s internship programs. These opportunities allow you to gain hands-on experience, develop your professional skills, and network with experts in your field. An internship at Cognizant is a stepping stone to full-time employment and a chance to see how your studies apply in the real world.

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Cognizant is committed to the professional growth of its employees. With access to cutting-edge training, leadership programs, and diversity initiatives, you can build a career that’s equipped for the demands of tomorrow’s business landscape.

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Our employees enjoy a range of benefits designed to support their physical, financial, and emotional well-being. Cognizant’s culture is built on a foundation of respect and inclusivity, where everyone’s contribution is valued. Join us and be part of a team that celebrates diversity and is driven to make a positive impact on the world.

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Learn more about Cognizant
Size
340,400 employees
Market Cap
$28.7 billion
Industry
Net Income
$1.3 billion
Founded
1994
5 Year Trend
+6.5%
Revenue
$16.6 billion
NASDAQ

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