QA Engineer (API & Database Testing)

Cognizant; Tennessee; Hybrid; USD 85,000 - 110,000; Full time

Benefits offered by this job

Medical/Dental/Vision/Life Insurance

Paid holidays/PTO

401(k) plan and contributions

Long-term/Short-term Disability

Paid Parental Leave

Employee Stock Purchase Plan

Job summary

Cognizant is seeking a QA Engineer (API & Database Testing) to validate backend applications, data integrity, and end-to-end operations across enterprise systems. You will design and execute tests for REST and SOAP APIs, verify data across multiple databases, and ensure quality throughout the software lifecycle.

The role emphasizes collaboration with developers, analysts, and product teams in a hybrid work setup with three days/week in Lauderdale, FL.

Qualifications

• Experience testing REST and SOAP APIs with request/response validation.
• Advanced SQL skills for backend validation and data integrity checks.
• Experience with batch/ETL testing and data reconciliation.
• Familiarity with testing chatbot functionality and integrations.
• Knowledge of Agile defect tracking tools like Jira or Azure DevOps.

Responsibilities

• Design and execute functional, integration, regression, and end-to-end test cases for REST and SOAP APIs.
• Validate backend data accuracy across applications and databases.
• Test stored procedures, views, and data transformations.
• Perform batch/ETL testing for scheduled jobs and data reconciliation.
• Document defects and communicate testing outcomes with Agile teams.

Skills

REST APIs testing

SQL/database testing

ETL/batch testing

API tooling (Postman/Swagger/SoapUI)

Jira/Azure DevOps

Tools

Postman

Swagger

SoapUI

Rest Assured

Job description

About The Role

As a QA Engineer (API & Database 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. 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

• 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*