Full Stack Builder

About Us 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 1 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. Role Overview We are hiring a Team of One – Full Stack Builder. This is not a traditional engineer role. This is not a traditional product manager role. You will own a problem space end-to-end — from discovery and strategy to architecture, implementation, launch, metrics, and iteration. You are responsible for outcomes, not tasks. You will think like a Product Manager, execute like a Senior Engineer, and own impact like a Founder. What You’ll Do 1. Product Discovery & Problem Framing Own a clearly defined problem area within the platform. Conduct lightweight discovery: customer calls, support ticket mining, analytics review, win/loss insights, session replays. Write sharp problem statements and define measurable success criteria. Turn ambiguity into structured thinking and validated hypotheses. Identify opportunities to improve activation, retention, revenue, or operational efficiency. 2. Requirements & Product Documentation Define MVP vs V1 vs V2 iterations and define the requirement Goals & KPIs In-scope / out-of-scope User stories & acceptance criteria Edge cases & risks Maintain clear decision logs and documentation. Prevent scope creep through structured thinking. 3. UX & Experience Ownership Design intuitive user flows and information architecture. Think deeply about onboarding, empty states, failure states, and microcopy. Ensure experiences align with platform conventions. Ship functional, usable interfaces even when design support is limited. Advocate for customer clarity and simplicity. 4. Full Stack Architecture & Engineering Execution Architect scalable systems across frontend, backend, APIs, automation, and AI workflows. Ship production-grade code with high reliability and maintainability. Balance latency, performance, scalability, and cost. Build integrations and automation frameworks. Own migrations, backward compatibility, and system resilience. 5. AI-Native System Design Build LLM-powered features, agents, or workflow automation. Design evaluation loops and guardrails. Optimize inference cost, latency, and reliability. Continuously iterate based on real usage signals. 6. Analytics, Instrumentation & Experimentation Define KPIs for every feature shipped. Instrument events, funnels, and telemetry. Monitor adoption, activation, engagement, and failure metrics. Run lightweight experiments or A/B tests. Use data to drive iteration and continuous improvement. 7. Operational Excellence Improve system observability and monitoring ... (truncated, view full listing at source)