Sr. SDET - Front End; Hybrid

As a global leader in cybersecurity, Crowd Strike protects the people, processes and technologies that drive modern organizations. Since 2011, our mission hasn’t changed — we’re here to stop breaches, and we’ve redefined modern security with the world’s most advanced AI-native platform. We work on large scale distributed systems, processing almost 3 trillion events per day and this traffic is growing daily.

Our customers span all industries, and they count on Crowd Strike to keep their businesses running, their communities safe and their lives moving forward. We're proud to work for a mission-driven company leveraging AI to transform the way we work. Crowd Strikers drive their careers through flexibility and autonomy while also being expected to contribute to a culture of responsible AI adoption, experimentation, and innovation.

We use an AI-first mindset as a force multiplier to proactively and continuously accelerate execution, build expertise, uncover insights, and solve complex problems. We’re always looking to add talented Crowd Strikers to the team who have limitless passion, a relentless focus on innovation and a fanatical commitment to our customers, our community and each other. Ready to join a mission that matters?

The future of cybersecurity starts with you.

Crowd Strike is looking for a Software Development Engineer in Test (SDET) with a passion for quality specializing in Web UI test automation. We’re looking for smart people who want to be challenged to take ownership of what they build and work in an environment where quality is the company culture. As a UI SDET, you will be working closely with Quality Assurance Engineers and UI Engineers across teams within the NG‑SIEM Product Group to ensure optimal testing and release of the highest quality product.

Crowd Strike values quality and a great customer experience. We are looking for meticulous Engineers with a strong testing focus and background, who focus on the customer experience, and that can bring insights throughout the development process.

This is a hybrid role available at our Sunnyvale, CA, and Austin, TX locations.

• A love for breaking software systems in creative and useful ways.
• Passion for applying automation to testing and release challenges.
• Producing rock-solid solutions for all manner of product quality concerns.
• Thriving with responsibility, challenges and aggressive goals.
• Ability to communicate, collaborate and deliver.

• Think strategically about test automation and driving quality in your team and across the organization.
• Verify component, system integration and application level features and functionality to ensure our reliability, accuracy and performance reaches our standards for quality.
• Conduct ‘manual’ / Exploratory Testing using a risk‑based approach.
• Automate test processes for speed, reproducibility, scalability and reporting.
• Build elegant, robust, and reliable solutions for complex technical problems.
• Review engineering technical design documents and requirements. Work With Engineering to create plans and strategies about how and where to build in testability.
• Build reliable and easily consumed tools, frameworks, and environments for yourself and peers to build upon.
• Contribute to existing tools, frameworks and related solutions.
• Increase and improve our automated test coverage.
• Deliver and accept feedback with grace and courtesy.
• Collaborate with UI Engineering on determining the root cause of issues and adding automation quality improvements to prevent future problems.
• Create and maintain test infrastructure. Build the frameworks and packages required to implement automation.
• Take ownership and be accountable for deliverables.

• A computer science background or equivalent experience (programming styles, data structures, algorithms, etc.) with at least 7 years of experience.
• Passion for building rock‑solid solutions that peers can rely on.
• Extensive experience with testing tools and best practices (e.g., Playwright, Cypress, Jest, Selenium, JUnit, TestNG, Cucumber)
• Proven track record of designing and implementing test automation for large‑scale…