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

NTT DATA North America

Arlington (TX)

On-site

USD 90,000 - 130,000

Full time

8 days ago
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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.

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