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 also a mission-driven company. We cultivate a culture that gives every Crowd Striker both the flexibility and autonomy to own their careers. 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.

About the Role: Crowd Strike is looking for a Senior Engineer (UI SDET) with a passion for quality specializing in Web UI test automation and strong manual testing skills. 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 UI Engineers, UI Test Framework Engineers, and other SDETs 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.

UI SDETs at Crowd Strike may be required to help build frameworks, libraries, and tooling used for testing our UI. You will be responsible for creating automated UI test suites for our Falcon product, leveraging modern AI-assisted development tools like Claude Code and Model Context Protocol (MCP) to accelerate test development and improve code quality. All our UI SDETs will help drive innovation, inspiration, and the future of product testing. We are looking for attention to detail, flexibility, and love for great products. Come use cutting edge tools and technologies as well as tried and true ones to help us build a world-class platform that delivers an efficient, reliable, seamless experience to our customers.

This role will be in the Falcon Cloud Security (FCS) product area for Crowd Strike. We’re extending Crowd Strike’s mission of “stopping breaches” into the public cloud and cloud-native workloads. Crowd Strike’s FCS Cloud Security Posture Management offering provides visibility into your entire cloud infrastructure, continuous monitoring for misconfigurations, and proactive threat detection — allowing Dev Sec Ops teams to fix issues faster and be more productive.

This role is hybrid, on-site at one of the posted locations. Candidate should be comfortable visiting the office twice a week once the development center is established.

What You'll Do:

• Thinking strategically about test planning and execution for automation and manual tests to ensure quality in your team and across the organization.

• Verifying component, integration and application level features and functionality to ensure our reliability, accuracy and performance reaches our standards for quality.

• Execute manual test cases for end-to-end testing scenarios, ensuring thorough validation of the product's functionality and usability.

• Develop and maintain automated test frameworks, scripts, and tools that are reusable and scalable, focusing on end-to-end testing and product performance.

• Contribute to the design, implementation, and maintenance of a scalable and efficient UI automated testing framework.

• Building elegant, robust, and reliable solutions for complex technical problems.

• Reviewing UX Design mock ups, documents and requirements to understand the feature’s components, details, design, and functionality.

• Reviewing engineering technical design documents and requirements. Working with Engineering to create plans and strategies about how and where to build in testability.

• Building reliable and easily consumed tools, frameworks, and environments for yourself and peers to build upon.

• Contributing to existing tools, frameworks and related solutions

• Increasing and improving our automated test coverage.

• Delivering and accepting feedback with grace and courtesy.

• Collaborating with UI Engineering on determining the root cause of issues and adding automation quality improvements to prevent future problems.

• Take ownership and be accountable for deliverables.

What You’ll Need:

• A computer science background or equivalent experience (programming styles, data structures, algorithms, etc.) with at least 10 years of experience.

• Extensive experience with testing tools and best practices (e.g., Playwright, Cypress, Selenium, JUnit, TestNG, Cucumber).

• Proven track record of designing and implementing test automation for large-scale systems and experienced in developing and enhancing test automation frameworks.

• Solid grounding in the technology of at least one cloud environment (AWS, Azure, GCP).

• Demonstrated ability to write high-quality code, with JavaScript, TypeScript, or Python being particularly useful.

• Experience with CI/CD pipelines and tools (e.g., Jenkins, GitLab CI, Azure DevOps).

• In-depth knowledge of various testing methodologies: behavior, functional, performance, unit, security, contract, etc.

• Demonstrated ability to design and develop efficient test strategies and test plans.

• Demonstrated ability to develop automated test cases, increased test coverage, reduced test time.

• Team player – demonstrated ability to lead, mentor, communicate, collaborate, and work effectively in a globally distributed team.

• Experience writing and executing test plans.

• Experience documenting technical requirements.

• Knowledge of classes and testing methodologies.

Bonus Points:

• Experience in Jenkins, Windows Performance Analyzer or xperf.

• Experience with AI-assisted tools such as Claude Code, GitHub Copilot, or similar platforms.

• Familiarity with Model Context Protocol (MCP) for building AI-powered development workflows.

• Proficiency in using test management tools (e.g., Test Rail/Xray) and defect tracking systems (e.g., Jira).

• Experience with infrastructure-as-code tools such as CloudFormation, Familiarity with containerization technologies (e.g., Docker, Kubernetes).

• Experience in enterprise SaaS products.

• Knowledge of and experience in cybersecurity or productivity apps.

#HTF

Benefits of Working at Crowd Strike:

• Market leader in compensation and equity awards

• Comprehensive physical and mental wellness programs

• Competitive vacation and holidays for recharge

• Paid parental and adoption leaves

• Professional development opportunities for all employees regardless of level or role

• Employee Networks, geographic neighborhood groups, and volunteer opportunities to build connections

• Vibrant office culture with world class amenities

• Great Place to Work Certified™ across the globe

Crowd Strike is proud to be an equal opportunity employer. We are committed to fostering a culture of belonging where everyone is valued for who they are and empowered to succeed. We support veterans and individuals with disabilities through our affirmative action program.

Crowd Strike is committed to providing equal employment opportunity for all employees and applicants for employment. The Company does not discriminate in employment opportunities or practices on the basis of race, color, creed, ethnicity, religion, sex (including pregnancy or pregnancy-related medical conditions), sexual orientation, gender identity, marital or family status, veteran status, age, national origin, ancestry, physical disability (including HIV and AIDS), mental disability, medical condition, genetic information, membership or activity in a local human rights commission, status with regard to public assistance, or any other characteristic protected by law. We base all employment decisions--including recruitment, selection, training, compensation, benefits, discipline, promotions, transfers, lay-offs, return from lay-off, terminations and social/recreational programs--on valid job requirements.

If you need assistance accessing or reviewing the information on this website or need help submitting an application for employment or requesting an accommodation, please contact us at recruitingcrowdstrike.com for further assistance.

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Right to Work

Crowd Strike, Inc. is committed to fair and equitable compensation practices. Placement within the pay range is dependent on a variety of factors including, but not limited to, relevant work experience, skills, certifications, job level, supervisory status, and location. The base salary range for this position for all U.S. candidates is $140,000 - $215,000 per year, with eligibility for bonuses, equity grants and a comprehensive benefits package that includes health insurance, 401k and paid time off.

For detailed information about the U.S. benefits package, please click here.