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Robert Half Logo Robert Half · IT - Software Development

Software Development Engineer in Test

United States, Austin · Job Posted June 04, 2026
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Job Description

We are seeking a Software Development Engineer in Test (SDET) to build scalable, automation-first testing solutions for modern applications. This role sits at the intersection of software engineering and quality, with a focus on developing robust test frameworks, improving code quality, and embedding testing throughout the SDLC.

Job Responsibility

  • Design and develop scalable test automation frameworks for web, API, and/or microservices architectures
  • Write production-quality test code using languages such as Java, Python, JavaScript, or C#
  • Implement UI automation using tools like Selenium, Cypress, or Playwright
  • Build and maintain API and service-level tests using RestAssured, SuperTest, or Postman/Newman
  • Integrate automated tests into CI/CD pipelines using Jenkins, GitHub Actions, GitLab CI, or CircleCI
  • Drive a shift-left testing approach, partnering with developers during design and code reviews
  • Develop mocks, stubs, and test data frameworks for improved test coverage
  • Perform performance and load testing using k6, JMeter, or Gatling
  • Ensure test coverage across distributed systems, APIs, and cloud-native applications
  • Participate in root cause analysis and improve system reliability and observability

Requirements

  • 4+ years of experience in SDET, software engineering, or automation-heavy QA roles
  • Strong programming skills in at least one language (Java, Python, JavaScript, or C#)
  • Experience designing and maintaining automation frameworks from scratch or scaling existing frameworks
  • Hands-on experience with API testing and microservices validation
  • Deep understanding of CI/CD pipelines and test integration strategies
  • Expertise with version control systems (Git, Bitbucket)
  • Strong understanding of object-oriented programming (OOP) and testing design patterns
  • Experience working in Agile/Scrum environments

What we offer

  • medical, vision, dental, and life and disability insurance
  • enrollment in company 401(k) plan
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