Principal UI Engineer, Palo Alto Networks
Platform, Cortex
$156.4-253k
More information about location
Leading cybersecurity protections and software platform
Be an early applicant
Leading cybersecurity protections and software platform
1001+ employees
Be an early applicant
$156.4-253k
More information about location
1001+ employees
Company mission
To be the cybersecurity partner of choice, protecting our digital way of life.
Role
Who you are
- Experience: 10+ years of software engineering experience, with 6+ years focused on building complex, web-scale frontend applications
- Core Technologies: Mastery of JavaScript (ESNext), TypeScript, React, Angular, HTML5, Tailwind/CSS3/Sass
- State & Architecture: Deep understanding of state management (RxJS, Redux Toolkit, Zustand, React Query) and modern frontend application patterns (Micro-Frontends, Webpack Module Federation)
- Data Visualization: Hands-on experience building complex data visualizations and rich UI dashboards
- Tooling & CI/CD: Experience with modern build tools (Vite, Webpack, Babel), CI/CD workflows, and testing frameworks (Jest, React Testing Library, Cypress/Playwright)
- Education: Bachelor’s or Master’s degree in Computer Science, Computer Engineering, or equivalent practical experience
Desirable
- Experience building shared platform capabilities or core UI frameworks in cybersecurity, SIEM, or SOC operations domains
- Experience maintaining enterprise design systems and UI component libraries (e.g., Storybook)
- Understanding of WebSockets, Server-Sent Events (SSE), and real-time frontend streaming architecture
- Exposure to AI/LLM integrations within web interfaces (e.g., streaming chat responses, autonomous agent workflows)
What the job involves
- Palo Alto Networks is the global cybersecurity leader
- The Cortex platform delivers AI-driven enterprise security operations—including Cortex XDR, XSOAR, XSIAM, and Xpanse—to protect thousands of organizations against complex cyber threats
- As a Principal UI Engineer on the Cortex Platform team, you will play a key leadership role in advancing our frontend ecosystem
- Working alongside architecture leadership, you will help execute the platform's technical vision, driving scalable UI architecture, design system integrations, robust data visualization, and performance optimization
- Collaborating closely with UX designers, backend engineers, and product managers, you will shape how security analysts monitor, analyze, and automate threat responses
- Architecture & Scalability: Partner with architecture leadership to execute the frontend technical strategy for Cortex Platform products, building modular, performant, and resilient micro-frontend structures
- Data & Workflow Visualization: Lead the development of intuitive data visualizations and complex UI components that present high-volume, multi-source data clearly to end users
- Design System & Component Library: Partner with UX teams to evolve and maintain enterprise-grade design systems, ensuring UI component consistency and accessibility (WCAG) across products
- Performance Optimization: Optimize bundle sizes, rendering paths, state management, and asset loading for ultra-fast response times under heavy client-side data loads
- Cross-Functional Leadership: Partner with backend engineers, AI/ML teams, and product leaders to translate complex security workflows into intuitive platform interfaces
- Mentorship & Quality Standards: Establish frontend best practices, automated UI testing pipelines (E2E/Unit), and code review standards while mentoring mid-level and senior UI engineers
Our take
With cyber threats evolving at lightening speed, businesses need robust solutions to protect their data and infrastructure. And the global cybersecurity market is projected to grow significantly, driven by increasing cyberattacks and the adoption of digital transformation initiatives. Because of this, companies are seeking security platforms that can address these challenges efficiently.
That's where Palo Alto Networks steps in, a frontrunner in the cybersecurity arena. It offers a suite of AI-powered security solutions designed to safeguard enterprises across various sectors. Its platforms, such as Cortex XSIAM and Prisma AIRS, integrate advanced threat detection, zero trust architecture, and real-time response capabilities so organizations are ready to manage and mitigate risks.
Its leadership is evident too, with impressive growth and strategic partnerships. In 2025, the company surpassed $1.5B in sales through the Google Cloud Marketplace, highlighting the demand for its innovative security solutions. Additionally, a collaboration with AT&T aims to enhance cybersecurity offerings, further solidifying its market position.
Freddie
Company Specialist at Welcome to the Jungle
Insights
119% employee growth in 12 months
Company
Funding (2 rounds)
Sep 2022
$34m
SERIES A
May 2022
$11m
SEED
Total funding: $45m
Company benefits
- Healthcare: We value your health and provide options so you can choose what best supports your lifestyle and personal health goals. Various nationwide plans — including Blue Shield of California, Kaiser Permanente, Delta Dental, VSP, and more — are available to you and your family. Our providers offer the flexibility you want and the coverage you need
- Wellness: With a large on-site gym and daily, instructor-led exercise classes at HQ in Santa Clara, Palo Alto Networks actively supports employee fitness. Our juice bar, Gym & Juice, features fresh juice blends, a quick and nutritious option pre- or post-workout. And our ongoing wellness speaker series highlights the latest trends in health and wellness
- Development: Professional development is serious business at Palo Alto Networks, where the Talent Development team offers 25+ courses to help employees boost their careers and develop leadership capability
- Financial: Most roles are eligible for equity grants, and we now offer new hires a quarterly vesting schedule right away. We want you to be fairly compensated and rewarded as soon as you make an impact – on our team, that happens immediately! And because we consider every employee a stakeholder in our long-term success, we offer an Employee Stock Purchase Plan (ESPP) with a 24-month lookback. From life insurance to health savings accounts, we provide ways to help you protect and grow your wealth. Palo Alto Networks offers both traditional and Roth 401(k) options, along with a company match of 50% to a max annual amount of $1,000
- Time Off: In addition to paid corporate holidays, Flexible Time Off programs empower our employees to balance their work schedules with personal time off. We offer 12 weeks of full pay for medical leave and 6 weeks of full pay for parental leave. As a company with strong ties to the military and veterans, we also offer 26 weeks of full pay for military leave
- Perks: Our corporate discount program provides employees with significant discounts on merchandise, travel and entertainment. We offer many on-site perks at headquarters, including cafeterias, fuel service, dry cleaning service, EV charging stations, and a company store. We also provide complimentary drinks, fresh fruit, and snacks in break rooms across our campus to help everyone power through the day. Life at Palo Alto Network
Company HQ
Santa Clara, CA
Leadership
Nikesh Arora
(CEO & Chairman)Previously the President and COO at SoftBank, CBO at Google, and CMO at T-Mobile.
Nir Zuk
(Founder & CTO)Previously CTO at NetScreen Technologies, which was acquired by Juniper Neworks in 2004. They also co-founded OneSecure where they served as CTO and was the Principal Engineer at Check Point Software Technologies.
Lee Klarich
(CPO)Initially joined Palo Alto in 2006 as the EVP of Product Management and became CPO in 2018. Prior to this, they were the Director of Product Management at Juniper Networks and a Product Line Manager at NetScreen Technologies.
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