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 15 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 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 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 The Contacts Team is at the heart of our CRM platform managing the core infrastructure for contact records views filters segmentation and more Every product surface whether it s automation campaigns pipelines or reporting interacts with Contacts We re building scalable reliable and adaptable systems that power millions of interactions daily In this role you will drive technical outcomes as a hands-on Individual Contributor You will own high-impact initiatives across the Contacts domain Responsibilities Architect Scale Design and build highly scalable and reliable backend services using Node js MongoDB and ElasticSearch ensuring optimal indexing sharding and query performance Frontend Development Develop and optimize user interfaces using Vue js or React Angular for an exceptional customer experience Event-Driven Systems Design and implement real-time data processing pipelines using Kafka RabbitMQ or ActiveMQ Optimize Performance Work on autoscaling database sharding and indexing strategies to handle millions of transactions efficiently Cross-Functional Collaboration Work closely with Product Managers Data Engineers and DevOps teams to align on vision execution and business goals Quality Security Implement secure maintainable and scalable codebases while adhering to industry best practices Code Reviews Standards Drive high engineering standards perform code reviews and enforce best practices across the development team Ownership Delivery Manage timelines oversee deployments and ensure smooth product releases with minimal downtime Mentor Guide a team of developers ensuring best practices in software development clean architecture and performance optimization Requirements 5 years of hands-on software development experience Strong proficiency in Node js Vue js or React Angular MongoDB and Elasticsearch Experience in real-time data processing message queues Kafka RabbitMQ or ActiveMQ and event-driven architectures Scalability expertise Proven track record of scaling services to 200k MAUs and handling high-throughput systems Strong understanding of database sharding indexing and performance optimization Experience with distributed systems microservices and cloud infrastructures AWS GCP or Azure Proficiency in CI CD pipelines Git version control and automated testing Strong problem-solving analytical and debugging skills Excellent communication and leadership abilities able to guide engineers while collaborating with stakeholders Tech Stack Backend Node js Nest JS REST APIs Redis Firestore Mongo Elastic search Frontend Vue 2 Vue 3 Composition API Pinia TypeScript Vite Infrastructure Docker Kubernetes GCP Accessibility Internationalization i18n best practices 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 LI-Remote LI-HB1