HighLevel - Full Stack Builder
Requirements
• Frontend: Vue.js, JavaScript/TypeScript, HTML5, CSS3 (Tailwind/SCSS) • Backend: Node.js, NestJS • Data: MongoDB, Firestore, Clickhouse, Redis • Infra: GCP(Pub/Sub, K8s) Cloudflare • AI: LLM APIs, LangGraph, AI-aided dev tooling • Tooling: Git, Jenkins, observability stack(Grafana) • You'll Thrive Here If • You bring a generalist, entrepreneurial, startup-friendly mindset • You enjoy operating with ambiguity and ramping up quickly on unfamiliar parts of the stack • You're comfortable stitching together services and systems you haven't worked with before • 4+ years of experience in software development • Demonstrated track record of shipping production systems • Strong systems thinking and logical reasoning • High ownership mindset; operates well with minimal supervision • Comfortable with ambiguity and fast iteration cycles • Experience with APIs, automation tools, or AI platforms • Ability to reason about infrastructure tradeoffs and system reliability • Experience with data pipelines, analytics, or telemetry • Strong UX and front-end sensibility • Portfolio or GitHub showcasing deployed systems • Stack: React / Vue / Angular · Node.js / Python / Java • What Success Looks Like: • Consistently reduces cycle time from idea to production • Ships production-grade systems, not experiments • Balances quality, latency, and cost in system design • Builds evaluation loops that improve product performance over time
Responsibilities
• Feature/Module Ownership: • Translate business goals into working, deployable systems • Propose architecture, workflows, and implementation plans for assigned modules/features; refine and finalize through review with Tech Leads and Engineering Managers before execution • Own modules end-to-end — from design discussion through release, post-launch stability, and iterative improvements • Rapid Prototyping & Iteration: • Turn ambiguous ideas into working demos quickly, with timelines scoped to complexity • Prototype using code, AI tooling, automation, or low-code systems • Validate through experiments and real user feedback, then iterate to production quality • Integrate email statistics and analytics with internal teams, and drive feature attribution and metrics visibility so a release is measurable on our dashboards. • Scale, Performance & Reliability: • Build and maintain the Email Template Builder web app — a system powering 30M+ emails/day, directly impacting scalability (throughput at peak load), reliability (uptime and send success rate). • Optimize frontend rendering performance, component architecture, lazy loading, and state management; tune backend queries, caching (Redis/CDN), and latency at scale. • Reason through token consumption, inference cost, and infrastructure tradeoffs when integrating AI/LLM tooling • Operational Excellence: • Instrument systems with monitoring and telemetry • Build evaluation loops for continuous quality improvement • Automate workflows that increase engineering velocity • Maintain clear, repeatable documentation
Benefits
• Massive Impact: Your work directly affects millions of businesses worldwide • High Autonomy: We trust builders to own outcomes, not just tasks • Remote-First: Work from anywhere; we measure results, not hours • AI-Native Stack: Latest tooling to accelerate building and experimentation • Builder Culture: We value speed, ownership, clarity of thought, and execution
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