Sr. UI Engineer - AI Detection and Response (AIDR) (Hybrid)

📍 Job Overview

Job Title: Sr. UI Engineer - AI Detection and Response (AIDR) (Hybrid)

Company: CrowdStrike

Location: Sunnyvale, CA, United States; Austin, TX, United States; Redmond, WA, United States

Job Type: FULL_TIME

Category: Frontend Engineering / UI Development (Cybersecurity Focus)

Date Posted: May 28, 2026

Experience Level: 5-10 Years

Remote Status: Hybrid

🚀 Role Summary

• Design, develop, and implement high-performance, single-page web applications that visualize complex AI security insights and response workflows at massive scale.

• Architect enterprise-grade, reusable platform libraries to accelerate development across multiple engineering teams, ensuring seamless scalability from thousands to millions of requests per second.

• Drive operational excellence by focusing on rapid issue resolution, in-depth root cause analysis, and proactive system improvements within a fast-paced cybersecurity environment.

• Collaborate cross-functionally with UX designers, product managers, researchers, and fellow engineers to deliver robust, secure, and user-friendly cybersecurity solutions.

• Contribute to the continuous learning and evolution of the AI Detection and Response (AIDR) team by staying abreast of cutting-edge AI security and cybersecurity landscape advancements.

📝 Enhancement Note: While the title is "Sr. UI Engineer," the role's focus on "AI Detection and Response (AIDR)," "massive scale data processing," and "enterprise-grade solutions" indicates a critical position within the technical operations and product development lifecycle. The candidate will be instrumental in translating complex, high-volume security data into actionable intelligence for security professionals, requiring a deep understanding of both frontend architecture and the operational demands of cybersecurity. The hybrid nature suggests a need for strong self-management and communication skills.

📈 Primary Responsibilities

• Architect and build scalable, high-performance single-page web applications using JavaScript and modern frameworks (Ember.js preferred, but React, Angular, or Vue acceptable) to effectively visualize AI security detections, alerts, and response workflows.

• Develop reusable UI components and shared libraries that enhance development velocity and consistency across the AIDR product group, adhering to enterprise-grade standards.

• Integrate frontend applications with cloud-native backend services and APIs (REST, gRPC) to deliver real-time data experiences, managing high-volume data streams efficiently.

• Own feature development lifecycle end-to-end, from initial concept and collaboration with UX/product teams to implementation, rigorous testing, and successful delivery into production.

• Participate actively in code and design reviews, with a strong emphasis on optimizing performance, ensuring accessibility, enhancing testability, and maintaining robust security.

• Write and maintain comprehensive automated tests (e.g., QUnit, Mocha, Jest) to guarantee the reliability, accuracy, and stability of UI features and integrations.

• Troubleshoot and resolve production issues with speed and precision, contributing to thorough root cause analysis and implementing preventive measures for long-term system stability.

• Mentor junior team members on UI best practices, effective testing methodologies, and the development of genuinely accessible interfaces.

• Continuously acquire and apply knowledge of the evolving challenges within AI security and the broader cybersecurity landscape to inform development decisions.

📝 Enhancement Note: The responsibilities highlight a senior-level contribution beyond standard UI development. The emphasis on "architect enterprise grade solutions," "reusable platform libraries," and "massive scale data processing" points to a role with significant architectural input and a focus on building foundational elements for future product expansion. The requirement to "Drive operational excellence" through "issue resolution" and "root cause analysis" also indicates a hands-on approach to maintaining system health, a critical aspect of GTM and operational support.

🎓 Skills & Qualifications

Education: While no specific degree is listed, a Bachelor's or Master's degree in Computer Science, Software Engineering, or a related technical field is often implied for senior engineering roles. Equivalent practical experience will also be considered.

Experience: 5+ years of professional experience building high-quality, production-ready web application UIs, with a strong emphasis on scalability and performance.

Required Skills:

• JavaScript Proficiency: Deep understanding and practical application of modern JavaScript (ES6+).

• Modern Framework Experience: Strong experience with at least one modern JavaScript framework such as Ember.js (preferred), React, Angular, or Vue.js.

• HTML & CSS Mastery: Proficient in semantic HTML5 and advanced CSS, including experience with pre/post-processors (Sass, PostCSS) and CSS frameworks like Tailwind CSS.

• API Integration: Proven experience integrating UI applications with REST or gRPC APIs, handling real-time or high-volume data streams.

• Automated Testing: Experience with testing frameworks and methodologies (e.g., QUnit, Mocha, Jest) for robust unit, integration, and end-to-end testing.

• Web Accessibility: Demonstrated knowledge and passion for developing genuinely accessible interfaces (WCAG compliance).

• Version Control: Comfortable and proficient with Git or similar version control systems and collaborative workflows.

• Computer Science Fundamentals: Strong understanding of core computer science principles and adeptness at troubleshooting complex frontend issues.

• Collaboration & Communication: A collaborative mindset with a proven ability to work effectively with engineers, designers, researchers, and product managers.

Preferred Skills:

• Data Visualization: Experience with data visualization libraries like D3.js or Three.js, especially for security dashboards or real-time event streams.

• Build Tools: Familiarity with client-side build tools such as Ember CLI, Webpack, Vite, or similar.

• Performance Optimization: Experience in UI performance measurement, profiling, and optimization techniques.

• Accessibility Testing: Practical experience with web accessibility testing tools and support strategies.

• Cloud Environments: Familiarity with cloud platforms like AWS, GCP, OCI, or Azure.

• Cybersecurity Domain: Prior experience in the cybersecurity industry or with security-focused products.

• Enterprise SaaS: Experience building and maintaining enterprise SaaS products.

• Real-time Data Systems: Experience with real-time data systems (e.g., Kafka, Pulsar) from a UI integration perspective.

• Open Source Contributions: Contributions to open-source libraries or frameworks.

• AI/ML Concepts: Familiarity with Artificial Intelligence/Machine Learning concepts and their security implications.

📝 Enhancement Note: The "Required Skills" are standard for a senior frontend role but are amplified by the cybersecurity context. The "Preferred Skills" are particularly relevant to the "AI Detection and Response" aspect, with data visualization, real-time systems, and AI/ML familiarity directly supporting the core function of surfacing complex security data. The emphasis on "enterprise-grade" and "SaaS" also suggests a need for understanding robust, scalable, and commercially viable product development practices.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Case Studies of Scalable UIs: Showcase projects where you designed and implemented UIs that handled significant data volumes or user loads, demonstrating an understanding of performance bottlenecks and optimization strategies.

• Reusable Component/Library Development: Provide examples of UI component libraries or shared codebases you've built, highlighting their impact on development efficiency and consistency across projects.

• API Integration Examples: Include projects that involved integrating frontend applications with backend APIs (REST, gRPC), demonstrating how you handled data fetching, state management, and real-time updates.

• Problem-Solving & Troubleshooting: Present a project where you encountered and resolved a complex frontend technical challenge, detailing your diagnostic process and the solution implemented.

Process Documentation:

• Workflow Design & Optimization: Demonstrate experience in designing user workflows for complex applications, with a focus on improving user efficiency and reducing cognitive load, particularly in high-pressure environments like security operations.

• Implementation & Automation: Showcase how you've implemented features and utilized testing frameworks (e.g., Jest, QUnit) to automate quality assurance and ensure robust deployments.

• Measurement & Performance Analysis: Provide examples of how you've measured UI performance, identified bottlenecks, and implemented optimizations to improve load times and user experience.

📝 Enhancement Note: For a senior UI engineering role, particularly in a high-tech cybersecurity company dealing with massive data, a portfolio is crucial. It should go beyond just showcasing visual design and focus on the engineering aspects: architecture, scalability, performance optimization, robust testing, and efficient integration with complex backend systems. Demonstrating experience with real-time data visualization and handling high-throughput APIs will be key differentiators.

💵 Compensation & Benefits

Salary Range: The provided salary range for this position in the U.S. is $140,000 - $215,000 per year (base salary). This range is subject to adjustment based on factors such as relevant work experience, skills, certifications, job level, supervisory status, and specific location.

Benefits:

• Compensation and Equity Awards: Competitive salary and stock options/grants.

• Health & Wellness: Comprehensive physical and mental wellness programs, including health insurance.

• Time Off: Competitive vacation and holidays for recharge, alongside paid parental and adoption leaves.

• Professional Development: Opportunities for continuous learning and skill enhancement for all employees.

• Community & Connection: Employee Networks, geographic neighborhood groups, and volunteer opportunities to foster belonging and connection.

• Retirement Savings: 401k plan for long-term financial planning.

• Additional Perks: Paid time off (PTO) beyond standard holidays and vacation.

Working Hours: The role is designated as FULL_TIME. While specific daily hours are not detailed, the hybrid nature (2-3 days in office) implies a standard professional work schedule, likely around 40 hours per week, with potential for flexibility depending on project needs and team agreements.

📝 Enhancement Note: The salary range provided is for the entire U.S. and is a base salary. It's important to note that actual compensation may vary significantly based on the specific location (Sunnyvale, CA; Austin, TX; Redmond, WA) due to cost of living differences, and the candidate's precise experience level within the 5-10 year range. The benefits package is comprehensive, aligning with typical offerings for senior technical roles at large tech companies, with a strong emphasis on employee well-being and professional growth.

🎯 Team & Company Context

🏢 Company Culture

Industry: Cybersecurity. CrowdStrike is a global leader in cloud-delivered endpoint protection, threat intelligence, and incident response services, operating at the forefront of digital security.

Company Size: CrowdStrike is a large, publicly traded company with a significant global presence, indicated by its extensive employee base and multiple office locations. This size offers stability, extensive resources, and opportunities for career advancement.

Founded: CrowdStrike was founded in 2011. Its relatively young age for a major tech company signifies a culture of innovation and rapid growth, which is often reflected in its dynamic and fast-paced work environment.

Team Structure:

• AIDR Team: This specific team, AI Detection and Response (AIDR), is focused on leveraging cutting-edge AI to identify and counter sophisticated cyber threats. The team likely comprises experienced engineers, researchers, and product managers working closely together.

• Reporting Structure: As a Sr. UI Engineer, you would likely report to a UI Engineering Manager or potentially a Director of Engineering within the AIDR product group. Collaboration will be extensive across various engineering disciplines (backend, AI/ML, QA) and product functions.

• Cross-functional Collaboration: The role necessitates close collaboration with UX designers for interface conception, product managers for feature definition and prioritization, and backend/AI/ML engineers for data integration and system understanding. This indicates a highly integrated development process.

Methodology:

• Data-Driven Development: Given the nature of cybersecurity and AI, decisions are heavily data-informed. The UI will be built to visualize and interpret vast amounts of security event data, requiring a strong focus on data accuracy and presentation.

• Agile & Iterative Development: Likely employs agile methodologies (Scrum, Kanban) for rapid iteration, continuous integration, and continuous delivery (CI/CD), common in fast-moving tech environments.

• Focus on Scalability & Reliability: The core mission of CrowdStrike and the AIDR team demands systems that are not only performant but also highly reliable and scalable to handle trillions of events daily, influencing all development practices.

Company Website: https://www.crowdstrike.com/

📝 Enhancement Note: CrowdStrike's mission-driven culture in cybersecurity means employees are often highly motivated by the impact of their work. The emphasis on AI and large-scale data processing suggests a technically challenging environment where engineers can work with state-of-the-art technologies. The hybrid work model implies a balance between collaborative in-office time and focused remote work, requiring strong communication and self-management skills.

📈 Career & Growth Analysis

Operations Career Level: This role is positioned as a Senior Individual Contributor (IC). A Senior UI Engineer is expected to lead complex technical initiatives, mentor junior engineers, and contribute significantly to architectural decisions. In the context of operations and product development, this means taking ownership of critical user-facing components that directly impact the platform's effectiveness and usability for security professionals. The role demands not just coding proficiency but also strategic thinking regarding UI architecture, scalability, and maintainability.

Reporting Structure: The Sr. UI Engineer will likely report to a Manager or Director of Engineering within the AIDR (AI Detection and Response) product group. They will work closely with Product Managers, UX Designers, and fellow engineers (backend, AI/ML, QA) on a daily basis. This structure emphasizes collaboration and shared ownership of product outcomes.

Operations Impact: The UI developed by this role directly translates complex AI-driven security detections and vast amounts of threat intelligence into actionable insights for security operations teams. The effectiveness, clarity, and responsiveness of these interfaces are critical for enabling customers to detect and respond to sophisticated cyber threats efficiently, directly impacting CrowdStrike's ability to stop breaches and protect customer assets. The quality of the UI directly influences customer satisfaction and the perceived value of the platform.

Growth Opportunities:

• Technical Leadership: Progress into a Staff or Principal UI Engineer role, leading architectural direction for major features or entire product areas, and driving technical strategy.

• Management Track: Transition into an Engineering Manager role, leading a team of UI engineers, focusing on people management, project delivery, and strategic planning.

• Specialization: Deepen expertise in specific areas like data visualization for