QA Engineer – API, Database & Batch Testing

Cognizant; Fort Lauderdale (FL); Hybrid; USD 70,000 - 110,000; Full time

Benefits offered by this job

Medical Insurance

Dental Insurance

Vision Insurance

Life Insurance

Paid Holidays

Paid Time Off

401(k) Plan

Disability Insurance

Parental Leave

Employee Stock Purchase Plan

Job summary

Cognizant in Fort Lauderdale is seeking a QA Engineer - API, Database & Batch Testing to validate backend applications, data flows, and batch processes across enterprise systems. You will design and execute tests for REST and SOAP APIs, verify data integrity, and collaborate with cross-functional teams throughout the software development lifecycle.

The role emphasizes hands-on API testing, SQL validation, batch/ETL testing, and proactive defect management in a hybrid work model with 3 days

Qualifications

• Strong hands-on testing of REST and SOAP APIs using Postman, Swagger, SoapUI, or Rest Assured.
• Advanced SQL skills with backend data validation in SQL Server or Oracle.
• Experience with batch/ETL testing, data reconciliation.
• Experience testing chatbot functionalities and backend responses.
• Understanding of Agile methodologies and defect/work management tools (Jira, Azure DevOps).

Responsibilities

• Design and execute functional, integration, regression, and end-to-end test cases for REST and SOAP APIs, including validation of payloads, status codes, and authentication.
• Validate backend data accuracy and integrity with advanced SQL queries across applications and databases.
• Test stored procedures, functions, views, and data transformations supporting enterprise apps.
• Perform batch and ETL testing to validate scheduled jobs, data processing and downstream results.
• Document defects, maintain evidence, and collaborate with Agile teams to resolve quality issues.

Skills

API testing

SQL testing

Batch/ETL testing

Chatbot testing

Agile & Jira/Azure DevOps

Tools

Postman

Swagger

SoapUI

Rest Assured

Jira

Azure DevOps

Control-M

Airflow

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*