Staff Engineer - Funnels

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 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 We’re looking for a Staff Software Engineer to join our Funnel & Website Builder Team, the group behind one of the most heavily used product surfaces in HighLevel. This team powers the end-to-end experience for building funnels and websites — from real-time editing, rendering, and collaboration, to publishing, optimization, analytics, AI-assisted creation, and global delivery at scale.The Funnel & Website Builder platform processes billions of visitor interactions, powers millions of live pages, and serves mission-critical revenue operations for SMBs worldwide. Reliability, performance, creator usability, and AI-driven automation are fundamental as customers rely on these tools to acquire leads, process payments, run campaigns, and scale their businesses.As a Staff Engineer, you will shape the long-term technical direction of our builder ecosystem, solve complex distributed system and rendering problems, and mentor 10+ engineers across multiple squads working on the Builder, Themes, Publishing, Rendering Engine, Funnels AI, and Integrations. You’ll collaborate closely with product, design, infra, and security teams to elevate engineering standards, drive architectural coherence, and deliver seamless creator and visitor experiences at global scale. Responsibilities

Design own architecture and scaling strategy for key Funnel/Website Builder systems (real-time collaborative editor, rendering engine, theme system, publishing pipeline)Lead major cross-cutting initiatives focused on reliability, rendering performance, delivery latency, and workflow consistency across builder surfaces

Drive long-term technical direction for the Builder’s component framework, visual layout engine, template system, and underlying microservices

Architect low-latency, high-availability systems that serve traffic across global regions for millions of page loads per second

Improve platform-wide observability using Prometheus/Grafana, OpenTelemetry, and structured logs

Create and enforce SLOs around page rendering time, editor responsiveness, AI generation latency, and publishing reliabilityElevate resiliency across builder services through improved caching, CDN strategies, edge rendering, pre-rendering, and failover patterns

Drive improvements to internal tools, build pipelines, shared component libraries, and design systems powering the Builder ecosystemEstablish coding standards, testing frameworks, and architectural patterns that scale across dozens of engineers and multiple productsLeverage LLM-assisted development workflows to accelerate code quality, refactoring, and debugging while enforcing guardrails for reliability

Mentor and guide engineers across squads, encouraging technical excellence, growth, and strong engineering fundamentals

Partner with PMs, designers, infra, and security to define technical roadmap and deliver impactful, high-quality experiences

Lead design reviews, architecture deep-dives, and on-call rotations that reinforce a high-bar culture of ownership and operational excellence

Requirements

8+ years of full stack engineering experience with deep knowledge across frontend, backend, and cloudExpert-level knowledge of Vue, modern JavaScript/TypeScript, and component-driven architectures

Advanced experience with NestJS, Express, and building scalable backend servicesStrong understanding of SQL databases and NoSQL systems (MongoDB, Firestore)

Hands-on experience with ElasticSearch for indexing, search, and analyticsDeep familiarity with Nginx, proxies, load balancers, caching headers, and HTTP performance tuningStrong experience with GCP (Cloud Run, GKE, Pub/Sub, Firestore, CloudSQL, etc.)

Knowledge of CDN strategies across Cloudflare & GCP (caching, edge rules, performance optimization)

Operational & Architectural ExcellenceStrong grasp of distributed systems, event-driven architectures, and microservices design

Experience with observability tools, dashboards, logs, and SLOsAbility to lead large-scale refactoring, platform migrations, or architectural rewrites

Soft SkillsExceptional communication and cross-team influenceAbility to lead engineering initiatives across multiple squads

Pragmatic, hands-on approach to problem solving and decision makingStrong mentorship and leadership instincts

Preferred ExperienceContributions to design systems, internal dev tooling, or platform engineering initiativesExperience with high-traffic consumer or SaaS web applicationsExperience with real-time systems, collaborative editors, or large-scale rendering pipelinesBackground with AI integrations or LLM-driven product featuresOpen-source contributions or technical writing