Principal Software Development Engineer – UI Foundations

Principal Software Development Engineer – UI Foundations

Requirements

• 15+ years of hands-on software development experience, with 5+ years specializing in front-end engineering and scalable UI architectures.
• Expert proficiency in JavaScript, TypeScript, React, and Web Components.
• Strong experience in CSS-in-JS, theming, and UI performance optimization.
• Proven track record of building scalable design systems and component libraries.
• Experience with CMS-driven UI architectures or dynamically configurable front-end systems.
• Hands-on experience with responsive, mobile-first, and cross-platform development.
• Strong analytical skills with expertise in performance, security, and accessibility.

Responsibilities

• Architect and develop scalable, reusable, and accessible UI components to establish the foundation of our Design System.
• Collaborate with Design, Product, and Engineering teams to enhance front-end development velocity and efficiency.
• Lead the implementation of high-performance, configurable, and CMS-driven UI experiences.
• Ensure seamless cross-platform compatibility for Web, Mobile, and Browser Extensions.
• Champion best practices in front-end engineering, including accessibility, performance optimization, and security.
• Mentor engineers and drive engineering excellence, fostering a culture of innovation and modern UI development methodologies.

Preferred Qualifications

• Experience building UI foundations for Super Apps or modular digital experiences.
• Familiarity with server-side rendering (SSR) and static site generation (SSG) for enhanced performance.
• Prior experience integrating UI components with identity management, security, or fintech applications.
• Expertise in A/B testing, analytics-driven UI optimizations, and user behavior tracking.
• Strong leadership experience, driving design and engineering decisions across large teams.