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Senior Software Development Engineer in Test (Sr. SDET)

Infogain
Plano, TX Contractor
POSTED ON 4/9/2026
AVAILABLE BEFORE 5/7/2026

Position Overview

The primary responsibility of the Senior SDET is to design and implement robust testing frameworks and strategies that ensure high-quality, reliable, and scalable software.

All duties are to be performed in accordance with departmental and company policies, practices, and procedures.

Essential Duties & Responsibilities

  • Design and implement comprehensive test strategies and frameworks, including unit, integration, functional, and performance testing.
  • Establish and enforce testing standards and best practices throughout the development lifecycle.
  • Develop and maintain automated testing frameworks using tools such as Playwright and Artillery to support CI/CD.
  • Collaborate with development teams to integrate automated tests into build pipelines for fast feedback.
  • Work with cross-functional teams (Engineering, Product, UX/UI) to define testing criteria.
  • Advocate for quality across teams and provide recommendations to improve software quality.
  • Execute test cases, analyze results, and document findings.
  • Develop and maintain test plans, test cases, and test reports.
  • Implement performance and load testing strategies for high-volume systems.
  • Collaborate with security teams to conduct security testing and ensure compliance.
  • Identify opportunities for process improvements in testing and overall development practices.
  • Attend work as scheduled on a consistent and regular basis.
  • Perform other related duties as assigned.

Minimum Qualifications

  • Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field.
  • Must be able to obtain and maintain any certification or license, as required by law or policy.
  • 5 years of experience in software testing, with strong focus on automated testing and QA in complex applications.
  • Demonstrated experience building testing frameworks and strategies for large-scale, high-availability systems.
  • Proficiency in JavaScript/TypeScript with hands-on automation experience.
  • Strong knowledge of Playwright and CI/CD tools (e.g., GitHub Actions).
  • In-depth understanding of Agile, TDD, and BDD methodologies.
  • Experience with performance tools (e.g., Artillery, JMeter) and security tools (e.g., OWASP ZAP, Burp Suite).
  • Familiarity with cloud platforms (AWS) and DevOps practices.
  • Excellent written and verbal communication skills.
  • Strong interpersonal skills across varied teams and stakeholders.

Hourly Wage Estimation for Senior Software Development Engineer in Test (Sr. SDET) in Plano, TX
$58.00 to $71.00
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