Software Development Engineer- III | Directories

About HighLevel HighLevel is a cloud-based, all-in-one white-label marketing and sales platform that empowers marketing 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, from marketing agencies to entrepreneurs to small businesses and beyond. Our platform empowers users across industries to streamline operations, drive growth, and crush their goals. HighLevel processes over 15 billion API hits and handles more than 2.5 billion message events every day. Our platform manages 470 terabytes of data distributed across five databases, operates with a network of over 250 micro-services, and supports over 1 million domain names. 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 Every month, 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. Behind those numbers are real people growing their companies, connecting with customers, and making their mark - and we get to help make that happen. Learn more about us on our YouTube Channel or Blog Posts About the Role We’re looking for a Senior Software Engineer to join our Directories Team, which is a hybrid of Upwork and Contra. The Directories platform will serve as a trusted space where businesses can post projects, discover and collaborate with Certified Admins, and where Admins can showcase verified credentials, portfolios, and client success stories. As a Senior Engineer, you’ll design and build scalable systems for directory search, profile management, credential verification, and SEO-driven discovery. You’ll work across the stack to deliver performant user experiences, develop APIs that connect creators and customers, and integrate secure verification workflows. Collaborating closely with product, infrastructure, and data teams, you’ll help shape the foundation of a trusted, high-performing platform that enhances visibility and credibility for businesses and creators alike. Responsibilities Build and extend backend APIs and microservices in Node.js/NestJS to support search, filtering, credential validation, and SEO-driven discovery. Architect and manage data models and indexing strategies (e.g., Elasticsearch, PostgreSQL, MongoDB) to ensure fast, accurate directory lookups and filtering. Design, build, and maintain scalable directory and listings systems that power discovery, search, and credential verification across millions of records. Develop and maintain reusable UI components aligned with HighLevel’s design system to ensure a consistent, accessible experience across web and mobile. Implement responsive, high-performance frontend experiences, optimizing load times, rendering efficiency, and accessibility for diverse devices and network conditions. Integrate analytics and instrumentation to measure engagement, conversion, and search performance, translating insights into product and UX improvements. Collaborate with product managers, designers, and cross-functional engineers to deliver cohesive, full-stack features that connect businesses, creators, and learners. Identify and resolve UI/UX bottlenecks, accessibility gaps, and security issues to deliver a trusted and polished experience.Use AI-driven tools and frameworks to improve development workflows, automate testing, and enhance search and recommendation precision. Stay current with emerging frontend frameworks, backend performance techniques, and scalable web architecture patterns—sharing insights with the broader team. Requirement ... (truncated, view full listing at source)