Associate Software Development Engineer in Test (SDET)

Role:Associate Software Development Engineer in Test (SDET)

Location:Plano, TX (5 days work from client office)

Final: In person interview at client location.

Essential Duties & Responsibilities

• Assist in designing and implementing automated test cases for functional, integration, and regression testing.
• Collaborate with developers and QA leads to understand feature requirements and create effective test strategies.
• Contribute to automated testing frameworks using tools such as Playwright and Artillery.
• Support integration of automated tests into CI/CD pipelines (e.g., GitHub Actions).
• Execute manual and automated test cases, analyze results, and document findings.
• Participate in exploratory testing as needed.
• Work with cross-functional teams (Development, Product, UX) to ensure testing coverage.
• Provide input on continuous improvements to quality processes and tooling.
• Attend work as scheduled on a consistent and regular basis.
• Perform other related duties as assigned.

Minimum Qualifications

• Proof of authorization to work in the United States.
• Bachelor’s degree in Computer Science, Software Engineering, or related field, or equivalent experience.
• Must be able to obtain and maintain required certifications or licenses.
• 3 years of experience in software testing or automation.
• Basic proficiency in JavaScript/TypeScript and ability to write simple automated scripts.
• Familiarity with Playwright, Artillery, and CI/CD tools such as GitHub Actions.
• Understanding of Agile, TDD, and BDD testing methodologies.
• Strong interpersonal and communication skills.

CST provides its clients with complete, cost-effective, end-to-end personnel solutions across a range of industrial domains. CST’s mission is to empower businesses around the world to make better, faster operational decisions.