Sr. Engineer, SDET - AI Detection and Response (AIDR) (Hybrid, Sunnyvale)

• Contract Testing Excellence: Implement and scale contract testing across all services and API boundaries, reducing integration testing dependencies.

• Coverage Expansion: Work with service owners and independently to improve test coverage from current baseline - unit, integration, and E2E tests.

• Team Velocity: Onboard rapidly and contribute meaningfully within the first 60 days to an already fast-paced engineering environment.

• AI Quality Framework: Establish and/or contribute to efficacy testing of LLM models with measurable accuracy metrics.

• Design and implement contract testing framework to verify API contracts between various system components.

• Contribute comprehensive test strategies spanning unit, integration, contract testing layers

• Establish testing patterns and best practices for AI-powered detection capabilities and models efficacy

• Develop comprehensive E2E test scenarios covering multi-collector deployments and policy enforcement workflows.

• Implement quality telemetry through observability with detailed reporting. Create metrics dashboards, and alerting. Work with SRE and developers to create playbooks and support documentation.

• 10+ years combined software development and test automation experience with a proven track record of establishing quality frameworks and delivering reliable, scalable test coverage for enterprise-grade cloud SaaS products at scale.

• Experience building testing frameworks and tooling for Cloud SaaS products

• Strong computer science fundamentals (algorithms, data structures, distributed systems)

• Expertise at programming languages: Python, Go, Javascript

• Deep understanding of: Cloud architectures and microservices

• Web Services: REST, gRPC, Protocol Buffers or similar API technologies

• Data storage systems: PostgreSQL, Redis or similar databases

• Container technologies: Docker, Kubernetes or similar orchestration platforms

• Experience with CI/CD pipelines and testing in cloud environments (AWS/Azure/GCP) Strong debugging skills with ability to troubleshoot complex distributed systems

• Experience with cloud performance testing and monitoring tools (e.g., JMeter, Gatling, New Relic, Datadog, Prometheus/Grafana)

• Experience testing AI/ML systems, LLM applications, or prompt engineering security

• Performance testing experience with large-scale SaaS products handling high throughput, concurrent users, and distributed architectures

• Familiarity with ML development lifecycle, model training, evaluation, and deployment

• Hands-on experience with AI efficacy testing, adversarial testing, or red teaming

• Experience with browser extension testing frameworks

• Background in API gateway testing (Kong, Envoy, LiteLLM, etc.)

• Experience with Model Context Protocol (MCP) or agentic AI systems

• Experience scaling test infrastructure to support hundreds of engineers

#LI-MF1

• 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

CrowdStrike 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.

CrowdStrike 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.

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CrowdStrike, 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 .