Software Development Engineer III

Job Description About HighLevel: HighLevel is an AI powered, all-in-one white-label sales & marketing platform that empowers agencies, entrepreneurs, and businesses to elevate their digital presence and drive growth. We are proud to support a global and growing community of over 2 million businesses, comprised of agencies, consultants, and businesses of all sizes and industries. HighLevel empowers users with all the tools needed to capture, nurture, and close new leads into repeat customers. As of mid 2025, HighLevel processes over 4 billion API hits and handles more than 2.5 billion message events every day. Our platform manages over 470 terabytes of data distributed across five databases, operates with a network of over 250 microservices, and supports over 1 million hostnames. Our People With over 1,500 team members across 15+ countries, we operate in a global, remote-first environment. We are building more than software; we are building a global community rooted in creativity, collaboration, and impact. We take pride in cultivating a culture where innovation thrives, ideas are celebrated, and people come first, no matter where they call home. Our Impact As of mid 2025, our platform powers over 1.5 billion messages, helps generate over 200 million leads, and facilitates over 20 million conversations for the more than 2 million businesses we serve each month. Behind those numbers are real people growing their companies, connecting with customers, and making their mark - and we get to help make that happen. About the Role: We're looking for a Senior Frontend Engineer (SDE-3) to own the front-end experience for our GenAI Products - designing robust, scalable, and delightful UIs that handle large message volumes, complex state, and real-time updates gracefully. Responsibilities: - Architect and build Vue.js (2/3) applications with clean, modular, maintainable code - Design and manage state systems (Vuex/Pinia) that handle complex real-time UI flows - Collaborate with Design to create pixel-perfect, accessible, and performant interfaces - Profile and optimize rendering, bundle sizes, and browser performance - Work with Module Federation and other microfrontend strategies for scalable delivery - Contribute to and improve build pipelines (Vite, Webpack, Rollup) - Introduce patterns, abstractions, and structure to help others move faster with confidence - Review code, mentor peers, and help elevate frontend quality and standards Requirements: - 4+ years of experience building production-grade web apps using Vue.js, React, or Angular - Strong understanding of state management, component design patterns, and modern JS/TS - Proficiency with frontend build systems (Webpack, Vite, Rollup, etc.) - Practical understanding of UI/UX principles, responsiveness, and accessibility - Experience using browser dev tools to diagnose and optimize performance - Bonus: familiarity with Module Federation, micro-frontends, or multi-repo environments - Bonus: Understanding of frontend observability (Sentry, Lighthouse, Chrome tracing) EEO Statement: At HighLevel, we value diversity. In fact, we understand it makes our organisation stronger. We are committed to inclusive hiring/promotion practices that evaluate skill sets, abilities, and qualifications without regard to any characteristic unrelated to performing the job at the highest level. Our objective is to foster an environment where really talented employees from all walks of life can be their true and whole selves, cherished and welcomed for their differences while providing excellent service to our clients and learning from one another along the way Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions. #NJ1 We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.