QA Automation Engineer (Selenium C# / API Testing / SpecFlow)

Creative Solutions Services, LLC; Arlington (TX); On-site; USD 90,000 - 130,000; Full time

Job summary

NTT DATA is seeking a QA Automation Engineer in Arlington, TX to design and implement automated tests for web and API-based applications using Selenium WebDriver and C#. You will craft BDD-style scenarios with SpecFlow, improve the POM framework, and ensure end-to-end coverage by integrating API and UI tests.

You will collaborate with QA, business analysts, product owners, and developers, maintain test scripts, and contribute to CI/CD pipelines for automated execution and reporting.

Qualifications

• Minimum 5+ years of experience in Software Testing, QA Automation, or API Test Automation.
• Minimum 3+ years of hands-on API testing with Postman, SoapUI, Rest Assured, or Swagger/OpenAPI.
• Minimum 3+ years developing and maintaining automation frameworks with Selenium WebDriver and C#.
• Minimum 2+ years of experience with BDD frameworks such as SpecFlow or Cucumber.
• Strong understanding of REST and SOAP APIs, HTTP/HTTPS, JSON, and XML.
• Minimum 2+ years of experience with NUnit, JUnit, TestNG, or PyTest.
• Minimum 2+ years with Git and Azure DevOps.
• Minimum 2+ years exposure to cloud platforms (Azure, AWS, or GCP).
• Excellent analytical, troubleshooting, and communication skills.

Responsibilities

• Design and develop automated test scripts for web and API apps using Selenium WebDriver and C#.
• Create BDD test scenarios with SpecFlow and Gherkin syntax.
• Build and enhance Page Object Model automation frameworks.
• Develop data-driven test scenarios with dynamic data management.
• Perform API testing and integrate API validation with UI automation for end-to-end coverage.
• Support CI/CD pipeline integration for automated test execution and reporting.
• Collaborate with QA, BAs, Product Owners, and Dev teams to translate requirements into tests.
• Maintain and refactor automation frameworks and test scripts.
• Create and maintain test docs, automation reports, and defect logs.
• Investigate failures and perform root-cause analysis.

Skills

Selenium WebDriver

C#

API Testing

SpecFlow

BDD

REST APIs

SOAP services

Test Frameworks (NUnit/JUnit/TestNG)

Git/Azure DevOps

Cloud Platforms (Azure/AWS/GCP)

Automation QA

Education

Bachelor's degree in Computer Science / Information Technology / Engineering

Tools

Postman

SoapUI

Rest Assured

Swagger/OpenAPI

Job description

Company Overview

Req ID: 386930

NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us.

NTT DATA's Client is currently seeking a QA Automation Engineer (Selenium C# / API Testing / SpecFlow) to join their team in Arlington, Texas (US-TX), United States (US).

Job Description

Day to Day Job Duties

• Design and develop automated test scripts for web and API-based applications using Selenium WebDriver and C#.
• Create, maintain, and execute BDD (Behavior-Driven Development) test scenarios using SpecFlow and Gherkin syntax.
• Build and enhance Page Object Model (POM) automation frameworks to improve scalability and maintainability.
• Develop and execute data-driven test scenarios with dynamic test data management.
• Perform API testing and integrate API validation with UI automation testing for end-to-end coverage.
• Implement and support CI/CD pipeline integration for automated test execution and reporting.
• Collaborate with QA, Business Analysts, Product Owners, and Development teams to translate requirements into automated test cases.
• Maintain, refactor, and optimize existing automation frameworks and test scripts.
• Create and maintain test documentation, automation reports, and defect tracking artifacts.
• Investigate test failures, perform root cause analysis, and distinguish application defects from automation script issues.
• Mentor junior team members on automation best practices, framework design, and testing standards.

Basic Qualifications

• Minimum 5+ years of experience in Software Testing, QA Automation, or API Test Automation.
• Minimum 3+ years of hands‑on experience with API testing tools such as Postman, SoapUI, Rest Assured, and Swagger/OpenAPI.
• Minimum 3+ years of experience developing and maintaining automation frameworks using Selenium WebDriver and C#.
• Minimum 2+ years of experience with BDD frameworks such as SpecFlow, Cucumber, or similar tools.
• Minimum 2+ years of Strong understanding of REST APIs, SOAP services, HTTP/HTTPS protocols, JSON, and XML.
• Minimum 2+ years of Experience with test automation frameworks such as NUnit, JUnit, TestNG, or PyTest.
• Minimum 2+ years of Experience with source control tools such as Git and Azure DevOps.
• Minimum 2+ years of Exposure to cloud platforms such as Azure, AWS, or GCP.
• Strong analytical, troubleshooting, problem-solving, and communication skills.

Travel

Not Applicable.

Degree

Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field, or equivalent work experience.

Nice to Have: But not a must

• AWS Certified Developer or Cloud Practitioner
• Microsoft Azure Certifications
• Certified Scrum Master (CSM)

About NTT DATA

NTT DATA is a $30 billion trusted global innovator of business and technology services. We serve 75% of the Fortune Global 100 and are committed to helping clients innovate, optimize and transform for long term success. As a Global Top Employer, we have diverse experts in more than 50 countries and a robust partner ecosystem of established and start-up companies. Our services include business and technology consulting, data and artificial intelligence, industry solutions, as well as the development, implementation and management of applications, infrastructure and connectivity. We are one of the leading providers of digital and AI infrastructure in the world. NTT DATA is a part of NTT Group, which invests over $3.6 billion each year in R&D to help organizations and society move confidently and sustainably into the digital future. Visit us at us.nttdata.com

NTT DATA endeavors to make https://us.nttdata.com accessible to any and all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process, please contact us at https://us.nttdata.com/en/contact-us. This contact information is for accommodation requests only and cannot be used to inquire about the status of applications.

NTT DATA is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status.

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