Software Tester - SDET || Denver, CO (Hybrid) || USC, GC, EAD (OPT/H4/L2)

Job Title: Software Tester - SDET

Location: Minneapolis, MN / Dallas, TX /Denver, CO (Hybrid )

Visa: USC, GC, EAD, H1B transfer

Type: Contract / Full-time

We are looking for a highly skilled Software Development Engineer in Test (SDET) to join our QA and engineering team. The ideal candidate will have a strong development background combined with deep experience in test automation across UI, API, and backend systems.

Responsibilities

• Design, develop, and maintain automation frameworks and test scripts for UI, API, and backend systems.
• Collaborate with developers, QA, and product teams to define test strategies and integrate automation into CI/CD pipelines.
• Perform UI test automation using Playwright (preferred) or Selenium.
• Develop API test automation using Karate, Postman, and related tools, with strong Java coding skills.
• Build backend automation using Karate, Python, and Java, ensuring data validation and integration coverage.
• Participate in code reviews, contribute to technical design discussions, and enforce quality standards.
• Execute tests, debug failures, and work closely with developers to resolve issues quickly.

Required Skills & Experience

• SDET expertise with strong proficiency in Java (must-have).
• UI Automation: Playwright (preferred) or Selenium.
• API Automation: Karate, API testing, REST/SOAP, JSON, XML, Postman.
• Backend Automation: Karate, Python, Java, SQL/NoSQL DB validation.
• Experience designing test automation frameworks from scratch.
• Strong understanding of CI/CD pipelines, Git, Jenkins, or similar tools.
• Familiarity with Agile/Scrum and modern QA best practices.
• Excellent problem-solving and debugging skills.