Senior Software Development Engineer in Test; Sr. SDET

Senior Software Development Engineer in Test (Sr. SDET) About the Role

We are seeking a highly experienced Senior Software Development Engineer in Test (Sr. SDET) who combines strong technical depth with leadership qualities to join Ninja One’s Analytics and Reporting Platform Team. Your expertise will mentor others, drive automation strategy, elevate engineering standards, and collaborate across teams to ensure world‑class product quality. You will demonstrate knowledge in the testing process, modern programming languages, CI/CD systems, and AI‑driven testing technologies such as Test Rigor, and help build scalable, maintainable automation systems while continuously improving the SDLC and STLC processes.

Flexible remote work from home for candidates located in the USA within the following states: CA, CO, CT, FL, GA, IL, KS, MA, MD, ME, NJ, NC, NY, OR, TN, TX, VA, WA. Hybrid options available at our physical offices in Austin, TX and Tampa, FL.

• Automation Development:
  Create software automation tests to ensure regression coverage across our products, evaluate requirements, design test scenarios, implement new testing automation, and collaborate with devs to define protocols for new features.
• Technical Strategy:
  Provide architectural insight using current or new testing infrastructure to build best‑practice testing solutions and evangelize a testing‑first approach in the SDLC.
• Quality Testing & Troubleshooting:
  Conduct comprehensive software testing, develop and maintain accurate test plans, strategies, shift‑left testing, and ensure compliance across all platforms.
• Collaboration:
  
  Partner with QA Engineers, developers, product managers and leaders across product teams throughout the SDLC to maintain quality standards.
• Other duties as needed.

• Bachelor’s degree in computer science, information technology, or related technical degree (or equivalent experience).
• 10+ years designing, developing, and executing automated test frameworks, test strategies, and comprehensive test plans.
• Strong commitment to quality engineering, automation best practices, and continuous improvement across the SDLC and STLC.
• Exceptional diagnostic, analytical, troubleshooting, and problem‑solving abilities.
• Advanced programming skills in Java, JavaScript, and Type Script.
• Extensive experience with automation frameworks such as Selenium, Rest Assured, or similar tools.
• Solid understanding of CI/CD pipelines and hands‑on experience with Circle
  
  CI or Team City.
• Experience testing APIs and distributed systems, including validating data integrity and system integrations.
• Familiarity with cloud services (AWS, Azure or GCP) and test execution at scale.
• Strong understanding of Git workflows, branching strategies, and code‑quality best practices.
• Hands‑on experience with AI‑driven automation, specifically Test Rigor.
• Excellent written and verbal communication skills.
• Ability to manage multiple projects in a fast‑paced environment, mentor junior engineers, conduct PR reviews, and drive engineering quality.
• Experience with Docker containerization and Dev Ops concepts is preferred.
• Experience with performance testing (JMeter, Gatling, or k6) is a plus.

Ninja One automates the hardest parts of IT to deliver visibility, security, and control over all endpoints for more than 30,000 customers. The platform increases productivity, reduces security risk, and lowers costs for IT teams and managed service providers. We are obsessed with customer success and provide free and unlimited onboarding, training, and support. Ninja One ranks #1 on G2 for endpoint management, patch management, remote monitoring and management, and mobile device management.

We foster a collaborative, kind, and curious community. Your flexibility needs are honored with full‑time hybrid or remote work. We offer a comprehensive benefits package including medical, dental, vision, 401(k), life insurance, unlimited PTO, and opportunities for growth and advancement.

• Visa sponsorship is not available for this position.
• Due to operational policies, candidates residing in the city limits of Chicago are not eligible; we…