Palo Alto Networks

Principal UI Engineer, Platform (Cortex)

Palo Alto Networks
Apply
3 days ago
USA (city not specified)Staff+
H1B sponsor

Base Salary

$156k - $253k/yr

Responsibilities

  • Execute the frontend technical strategy for Cortex Platform products and build modular, performant, resilient micro-frontend structures.
  • Develop complex data visualizations and UI components that clearly present high-volume, multi-source data.
  • Evolve enterprise design systems and component libraries with UX teams while maintaining consistency and WCAG accessibility.
  • Optimize bundle sizes, rendering paths, state management, and asset loading for fast client-side performance.
  • Collaborate with backend engineers, AI/ML teams, UX designers, and product leaders to translate security workflows into intuitive interfaces.
  • Establish frontend best practices, automated E2E and unit testing pipelines, and code review standards.
  • Mentor mid-level and senior UI engineers.

Requirements

  • 10+ years of software engineering experience, including 6+ years building complex, web-scale frontend applications.
  • Mastery of JavaScript (ESNext), TypeScript, React, Angular, HTML5, Tailwind, CSS3, and Sass.
  • Deep understanding of RxJS, Redux Toolkit, Zustand, React Query, Micro-Frontends, and Webpack Module Federation.
  • Hands-on experience building complex data visualizations and rich UI dashboards.
  • Experience with Vite, Webpack, Babel, CI/CD workflows, Jest, React Testing Library, Cypress, or Playwright.
  • Bachelor’s or master’s degree in Computer Science, Computer Engineering, or equivalent practical experience.
  • Preferred experience with shared platform capabilities or core UI frameworks in cybersecurity, SIEM, or SOC operations.
  • Preferred experience maintaining enterprise design systems and UI component libraries such as Storybook.
  • Understanding of WebSockets, Server-Sent Events, and real-time frontend streaming architecture.
  • Exposure to AI/LLM integrations in web interfaces, including streaming chat responses and autonomous agent workflows.

Benefits

  • Most teams work from the office full time, with flexibility when needed.
  • The annual starting base salary range is $156,400.00-$253,000.00, with potential restricted stock units and a bonus.
  • The company provides employee benefits and reasonable accommodations for qualified individuals with disabilities or special needs.

Tech Stack

AngularCSSCypressJavaScriptJestReactSassTailwind CSSTypeScriptWebpack

Categories

Palo Alto Networks

About Palo Alto Networks

10,000+ employees

Palo Alto Networks builds cybersecurity products for enterprises and governments, including next-generation firewalls, cloud security (Prisma Cloud/Prisma Access), and SOC tools (Cortex). It sells subscriptions and appliances with cloud-delivered threat intelligence, securing networks, endpoints, and applications across data centers and public clouds. Founded in 2005 and headquartered in Santa Clara, California, the company is publicly traded on the NYSE under the ticker PANW.

Contact me