SDET: Automation & AI Testing Engineer (Playwright/Cypress)

Valiant Technologies LLC; Dallas (TX); On-site; USD 90,000 - 120,000; Full time

Job summary

Valiant Technologies LLC is seeking a Software Development Engineer in Test to join our Dallas, TX team for an 11-month engagement with possible extension. The role focuses on designing and maintaining automated testing frameworks for full-stack apps and microservices, using Playwright, Cypress, and Selenium, with pytest/JUnit for tests, and integrating with GitHub Actions and Azure DevOps.

The SDET will also test AI-powered applications, validate APIs, microservices, and end-to-end

Qualifications

Responsibilities

• Design, develop, and maintain automated testing frameworks for full-stack applications and microservices.
• Work with automation tools such as Playwright, Cypress, and Selenium.
• Develop and execute automated tests using pytest or JUnit.
• Integrate regression and security testing into CI/CD pipelines.
• Work with GitHub Actions and Azure DevOps for test automation.
• Test AI-powered applications, including LLM outputs and AI-driven workflows.
• Develop and maintain regression test cases to ensure application quality.
• Validate APIs, microservices, and end-to-end application functionality.
• Identify, troubleshoot, and report defects to improve application reliability.

Tools

Playwright

Cypress

Selenium

pytest

JUnit

GitHub Actions

Azure DevOps

Job description

Valiant Technologies LLC is seeking a Software Development Engineer in Test to join our Dallas, TX team for an 11-month engagement with possible extension. The role focuses on designing and maintaining automated testing frameworks for full-stack apps and microservices, using Playwright, Cypress, and Selenium, with pytest/JUnit for tests, and integrating with GitHub Actions and Azure DevOps.

The SDET will also test AI-powered applications, validate APIs, microservices, and end-to-end