Senior QA Automation Engineer — Selenium, C#, API & SpecFlow

NTT DATA North America; Arlington (TX); On-site; USD 90,000 - 130,000; Full time

Job summary

NTT DATA North America seeks a QA Automation Engineer to design and implement automated tests for web and API applications in Arlington, TX. The role emphasizes Selenium WebDriver with C#, API testing, and BDD using SpecFlow to deliver reliable end-to-end coverage.

You will build scalable automation frameworks, participate in CI/CD, and collaborate with cross-functional teams to ensure quality throughout the software development lifecycle.

Qualifications

• Minimum 5+ years of software testing or QA automation experience.
• Minimum 3+ years API testing using Postman, SoapUI, Rest Assured, Swagger/OpenAPI.
• Minimum 3+ years automation with Selenium WebDriver in C#.
• Minimum 2+ years of BDD frameworks like SpecFlow or Cucumber.
• Strong understanding of REST/SOAP, HTTP/HTTPS, JSON/XML.
• Experience with NUnit/JUnit/TestNG/PyTest frameworks.
• Experience with Git and Azure DevOps.
• Exposure to Azure/AWS/GCP cloud platforms.

Responsibilities

• Design and develop automated test scripts for web and API apps using Selenium WebDriver and C#.
• Create and maintain BDD test scenarios with SpecFlow and Gherkin.
• Build/maintain Page Object Model automation frameworks for scalability.
• Develop data-driven test scenarios with dynamic data management.
• Perform API testing and integrate with UI automation for end-to-end coverage.
• Support CI/CD integration for automated test execution and reporting.
• Collaborate with QA, BAs, POs, and Dev teams to translate requirements into tests.
• Maintain and refactor automation frameworks and test scripts.
• Create test docs, automation reports, and defect tracking artifacts.
• Investigate failures, perform root-cause analysis, distinguish defects vs script issues.
• Mentor junior team members on automation best practices.

Skills

Selenium WebDriver

C#

API testing

SpecFlow

BDD (Gherkin)

REST APIs/JSON/XML

Unit testing frameworks

Git / Azure DevOps

Cloud platforms (Azure/AWS/GCP)

Education

Bachelor's degree in CS/IT or related field

Tools

Postman

SoapUI

Rest Assured

Swagger/OpenAPI

Job description

NTT DATA North America seeks a QA Automation Engineer to design and implement automated tests for web and API applications in Arlington, TX. The role emphasizes Selenium WebDriver with C#, API testing, and BDD using SpecFlow to deliver reliable end-to-end coverage.

You will build scalable automation frameworks, participate in CI/CD, and collaborate with cross-functional teams to ensure quality throughout the software development lifecycle.