About HighLevel: HighLevel is an AI-powered business operating system that gives agencies, entrepreneurs and SMBs the infrastructure to build, automate and scale. Today, HighLevel supports SMBs across 150+ countries, fueling community-driven growth rooted in real customer outcomes.To date, businesses operating on HighLevel have generated over $7 billion in ecosystem value, demonstrating the impact of shared infrastructure at scale. By centralizing conversations, automation and intelligence into one system, we help businesses move faster, reduce complexity and execute efficiently.Behind the platform, HighLevel powers more than 4 billion API hits and 2.5 billion message events daily. With 250 terabytes of distributed data, 250+ microservices and over 1 million domain names supported, our architecture is built for performance, resilience and long-term scalability. Our peopleWith over 2,000 team members across 10+ countries, HighLevel operates as a global, remote-first organization built for speed and ownership. We value initiative, clarity and execution, creating space for ambitious people to build systems that support millions of businesses worldwide. Here, innovation thrives, ideas are celebrated and people come first, no matter where they call home. Our impactEvery month, HighLevel enables more than 1.5 billion messages, 200 million leads and 20 million conversations for the more than 1 million businesses we support. Behind those numbers are real people building independence, expanding opportunity and creating measurable impact. We’re proud to be a part of that.Learn more about us on our YouTube Channel or Blog Posts About the Role We’re looking for a backend-heavy Fullstack Engineer (SDE2) who thrives on solving hard problems, owns systems end-to-end, and can navigate ambiguity with confidence. This role is ideal for someone who combines strong fundamentals with a bias for execution and impact, especially in fast-moving, 0→1 environments. What You’ll Do - Design, build, and scale backend systems and APIs with high reliability and performance. - Contribute to frontend development where needed, ensuring seamless end-to-end user experiences. - Take full ownership of features—from problem definition to production and monitoring. - Work on ambiguous problems, break them down, and drive them to completion. - Collaborate closely with product, design, and other engineers to deliver high-quality solutions. - Improve system architecture, developer experience, and engineering best practices. What We’re Looking For - 3+ years of software development experience.Strong fundamentals in data structures, algorithms, and system design.Proven problem-solving ability—you can break down complex problems and deliver pragmatic solutions.Ability to own and drive projects end-to-end with minimal supervision. - Comfortable working in ambiguous environments and making forward progress. - Strong communication skills—clear, proactive, and transparent. Tech Stack - Backend: NestJS (Node.js) - Frontend: Vue.js - Cloud/Infra: Google Cloud Platform (GCP) Experience with similar stacks is acceptable if you can ramp up quickly. What Makes You a Great Fit - Executor: You move fast and deliver high-quality outcomes consistently. - Owner: You take responsibility for systems and outcomes, not just tasks. - Navigator: You cut through ambiguity and figure things out without waiting for perfect clarity. - Communicator: You keep stakeholders informed and collaborate effectively. Bonus Points Experience in 0→1 product building (shipping something from scratch to real users).Prior startup experience or working in high-ownership, fast-paced environments.Experience designing scalable, distributed systems.Familiarity with GCP services (e.g., Pub/Sub, Cloud Run, Firestore).Experience with event-driven architectures and async systems.Strong debugging skills in production environments.Experience optimizing performance, latency, and cost at scale. Contributions to architecture decisions or driving large features independently. EEO Statement: The company is an Equal Opportunity Employer. As an employer subject to affirmative action regulations, we invite you to voluntarily provide the following demographic information. This information is used solely for compliance with government recordkeeping, reporting, and other legal requirements. Providing this information is voluntary and refusal to do so will not affect your application status. This data will be kept separate from your application and will not be used in the hiring decision. #LI-Remote #LI-HB1