About UsAt HighLevel, we are revolutionizing the digital marketing landscape with our AI-driven, all-in-one white-label sales and marketing platform. Our mission is to empower agencies, entrepreneurs, and businesses to enhance their online presence and drive sustainable growth. Serving a vibrant community of over 2 million businesses, ranging from agencies and consultants to enterprises of all sizes, we provide all the essential tools to convert leads into loyal customers. By mid-2025, our platform will handle over 4 billion API calls and manage 2.5 billion message events daily, with a data footprint of 470 terabytes across five databases, supported by over 250 microservices and more than 1 million hostnames.Our PeopleWith a diverse team of over 1,500 members across 15+ countries, we thrive in a remote-first culture that promotes creativity, collaboration, and impactful work. At HighLevel, we are not just building software; we are fostering a global community where innovation flourishes, ideas are valued, and people are prioritized, no matter where they reside.Our ImpactAs of mid-2025, our platform facilitates over 1.5 billion messages, generates more than 200 million leads, and enables 20 million conversations monthly for our extensive clientele. Each statistic represents real people driving their businesses forward, connecting with customers, and making a difference—an endeavor we are proud to support.About the RoleWe are seeking a Lead Software Engineer with extensive experience in Node.js, MongoDB, and distributed systems, committed to ensuring platform stability, scalability, and enduring technical excellence. As a key member of our Platform Team within the LC Phone System, you will be pivotal in maintaining the foundation of HighLevel’s communication infrastructure, guaranteeing reliability, security, and operational efficiency at scale.This backend-centric role presents challenges such as enhancing system stability, optimizing performance, mitigating technical debt, reinforcing security, and improving cost efficiency. You will spearhead crucial enhancements that empower the entire Phone System, including Calling, Messaging, and associated services, to function seamlessly even amidst growing demand.Responsibilities1. Stabilize & Scale the Platform: Identify systemic bottlenecks, enhance fault tolerance, and ensure high availability...
Feb 2, 2026