Software Development Engineer III - Full Stack

HighLevel is seeking an experienced Frontend Heavy Full Stack SDE3 to build intuitive, performant user interfaces and maintain strong full-stack capabilities. The ideal candidate will design and develop sophisticated interfaces for conversational AI, content generation, and intelligent automation features.

Requirements

• 4+ years full-stack development experience with frontend focus (70% frontend/30% backend)
• Expert-level proficiency in JavaScript/TypeScript, Vue.js (or React), HTML5, CSS3
• Strong experience with modern frontend architecture: state management, component design patterns, performance optimization
• Solid Node.js backend experience for API development
• Experience with GraphQL and building scalable APIs
• Deep understanding of responsive design, accessibility, and cross-browser compatibility
• Proven ability to work with complex UI state and real-time data flows
• Track record of building highly scalable, user-facing applications