Senior Front End Engineer

Role Summary

At F5, we are expanding our AI Security team and seeking a motivated and skilled Senior Front End Engineer to develop intuitive and efficient user interfaces for our AI-powered security web applications. In this critical role, you will collaborate with multidisciplinary teams to deliver high-quality and user-centric solutions.

As a Senior Front End Engineer, you will work with cutting-edge technologies to build modern, scalable, and performant web applications. You will contribute to the team by creating frontend components, improving application architecture, ensuring superior user experience, and advancing F5's technical solutions. If you're passionate about frontend engineering and eager to innovate, grow, and work with modern web technologies, F5’s AI Security team is the perfect environment for your career advancement.

Key Responsibilities

Frontend Development

• Build and maintain robust, efficient, and scalable web applications using TypeScript, JavaScript, CSS, and HTML.
• Develop and optimize frontend components, ensuring performance, usability, and accessibility standards are met.

Collaboration

• Partner with backend engineers, data scientists, UX designers, and product managers to deliver seamless user-centered features.
• Facilitate open and effective communication across teams to ensure alignment on development goals and requirements.

Architecture and Design

• Design features and components that align with modern frontend architecture and design principles, including component-based systems and micro-frontend architecture.
• Contribute to the development of design systems and reusable libraries to streamline frontend development processes.

Quality and Performance

• Deliver high-quality UI elements with seamless functionality across devices and browsers.
• Optimize web applications for speed, scalability, and performance, focusing on reducing size and enhancing responsiveness.

User Focus and Feedback

• Implement feedback from end users and customers to enhance user experiences and achieve product goals.
• Embrace a user-focused mindset to ensure solutions address real-world needs.

Continuous Improvement

• Stay updated on evolving frontend standards, tools, and technologies, and contribute innovative ideas for improving current processes.
• Proactively suggest and implement solutions to challenges, fostering an environment of continuous growth and improvement.

Qualifications

Required Skills and Experience

• Minimum 4 years of experience as a Senior Front End Engineer or Frontend Developer.
• Comprehensive knowledge of frontend architecture and design patterns.
• Strong expertise in the JavaScript language and ecosystem.
• Working knowledge of CSS and CSS preprocessors such as Sass, SCSS, or Less.
• Proficiency in modern JavaScript features (e.g., ES2015–ES2025).
• Ability to debug and optimize browser performance, troubleshoot compatibility issues, and ensure cross-platform functionality.
• Hands-on experience with modern JavaScript view libraries, such as Vue.js, React, or Svelte.
• Familiarity with popular frontend tools such as Webpack, Vite, and CSS Modules.

Preferred Skills

• Experience with Vue 3 and TypeScript.
• Advanced knowledge of modern CSS features, including grid, flexbox, CSS variables, and animations.
• Familiarity with mobile-first design, atomic design principles, and progressive enhancement for responsive applications.
• Working knowledge of npm or Vite package managers, including publishing packages.
• Understanding of emerging browser APIs and modern web technologies.
• Knowledge of design tools such as Figma, Adobe XD, or Sketch for translating design concepts into functional interfaces.

Team and Technology Stack

At F5’s AI Security team, we are strong believers in creating scalable and reusable solutions. As part of our team, you'll contribute to:

• Component-based design and the development/maintenance of robust component libraries for reusable and modular functionality.
• A cutting-edge technology stack, including Vue 3, TypeScript, Socket.IO, Pinia (state management), Storybook (components), npm workspaces, and Vite (build tools).
• Advancing micro-frontend architecture and leveraging in-house tools and libraries to supercharge day-to-day work.

Why Join F5’s AI Security Team

At F5, we are committed to building innovative solutions that enhance system security and user experience. Joining our team means:

• Working on industry-leading AI technologies in a fast-paced, collaborative environment.
• Having the flexibility to innovate and grow as a Senior Front End Engineer, leveraging the latest web standards and technologies.
• Gaining access to mentorship, resources, and opportunities to advance your skills and career.
• Building impactful solutions that address cutting-edge security and system challenges.

What Success Looks Like

A successful Senior Front End Engineer at F5 demonstrates the following:

• Technical excellence in designing and building performant, scalable, and user-centric web applications.
• Proactive communication and collaboration to ensure alignment across technical and non-technical stakeholders.
• Strong ownership of problem-solving and initiative in introducing innovative solutions to challenges.
• Continuous learning and adaptability to stay ahead in the evolving landscape of frontend technologies.

Key skills/competency

• TypeScript
• JavaScript
• Vue.js
• React
• Svelte
• Micro-frontend Architecture
• UI/UX Design
• Webpack
• Vite
• Pinia