Principal UI Engineer – Frontend Platform Leader

Palo Alto Networks; California (MO); On-site; USD 156,000 - 253,000; Full time

Job summary

Palo Alto Networks is seeking a Principal UI Engineer for the Cortex Platform to drive frontend architecture and scalable UI development. You will work with UX, backend, and AI teams to deliver robust data visualizations and reusable components, shaping how threat data is monitored and acted upon.

The ideal candidate has 10+ years in software engineering with 6+ years in frontend web-scale apps, proficiency in React/TypeScript, and experience building design systems and micro-frontends.

Qualifications

• 10+ years of software engineering experience, with 6+ years focused on building complex, web-scale frontend applications.
• Bachelor’s or Master’s degree in Computer Science, Computer Engineering, or equivalent practical experience.
• Strong expertise in JavaScript/TypeScript, React, Angular, HTML5, and modern frontend toolchains.

Responsibilities

• Architecture & scalability: lead frontend strategy for Cortex Platform products and modular micro-frontend designs.
• Data & workflow visualization: build high-volume data visuals and dashboards for security analysts.
• Design system & component library: maintain enterprise-grade design systems with accessible UI components.
• Performance optimization: optimize bundles, rendering paths, and state management for fast UX.
• Cross-functional leadership: collaborate with backend, AI/ML, and product teams to translate complex workflows into intuitive interfaces.
• Mentorship & quality standards: establish UI testing pipelines (E2E/Unit) and code-review practices.

Skills

Frontend leadership

Data visualization

Performance optimization

Cross-functional collaboration

Mentorship

State management

React

TypeScript

JavaScript

Education

Bachelor’s or Master’s in CS/CE

Tools

Storybook

Vite

Webpack

Babel

Jest

Playwright

Cypress

Job description

Palo Alto Networks is seeking a Principal UI Engineer for the Cortex Platform to drive frontend architecture and scalable UI development. You will work with UX, backend, and AI teams to deliver robust data visualizations and reusable components, shaping how threat data is monitored and acted upon.

The ideal candidate has 10+ years in software engineering with 6+ years in frontend web-scale apps, proficiency in React/TypeScript, and experience building design systems and micro-frontends.