HighLevel

HighLevel

HighLevel provides an all-in-one sales and marketing platform that agencies can white label and resell, offering tools and resources designed to help businesses consolidate their marketing efforts and achieve their growth objectives.

Internet Software & Services
251-1K
Founded 2018
$60M raised

Description

  • Architect and scale core phone platform components, including CPaaS abstractions, provider adapters, and messaging/voice APIs.
  • Own phone billing end to end, including usage metering, rating, reconciliation, audit trails, and idempotency.
  • Lead the evolution of trust and compliance systems into a configurable, rules-based platform.
  • Drive improvements in reliability, latency, and throughput across high-concurrency APIs and workflows.
  • Build and maintain observability, alerting, and incident response practices for technical and financial invariants.
  • Work hands-on with backend technologies including NestJS, Firestore, MongoDB, PostgreSQL, Redis, queueing systems, data warehousing systems, and service mesh microservices.
  • Partner with product, infrastructure, security, finance, and legal teams on data integrity, access control, and compliance.
  • Develop engineering managers and senior engineers, and strengthen succession planning and hiring standards.
  • Participate in design reviews, deep dives, and on-call rotations to support operational excellence.
  • Use LLMs and AI tools to write, refactor, test, and debug code with guardrails for reliability.

Requirements

  • 9+ years of backend engineering experience with 2+ years of leadership experience.
  • Proven experience designing fault-tolerant systems operating at billions of hits or events.
  • Deep expertise in distributed systems, event-driven architectures, and asynchronous job processing.
  • Experience in transactional domains such as metering, ledgers, billing, or payments, with working knowledge of idempotency, exactly-once semantics, and reconciliation.
  • Strong experience with relational and NoSQL data models, especially for complex transactional data.
  • Experience designing policy- or rules-driven systems that adapt to external requirements.
  • Familiarity with monitoring, SLOs, and root-cause analysis in production.
  • Familiarity with hallucination mitigation strategies for AI-assisted coding.
  • Excellent communication and cross-functional collaboration skills, including with Finance, Legal, and external partners.
  • Preferred: experience with usage-based billing or metering engines handling millions of transactional events per hour.
  • Preferred: exposure to telecom trust and compliance regimes such as 10DLC, toll-free verification, TCPA/TSR, DLT, carrier filtering, or number portability.
  • Preferred: experience building provider-agnostic integration layers across multiple third-party vendors.
  • Preferred: experience with AI tools and communication APIs such as Twilio or Plivo.
  • Preferred: contributions to open-source tools, internal platforms, or engineering blogs.

Benefits

  • Remote-first work environment.
  • Global team across 10+ countries.
  • Opportunity to lead a high-impact team supporting a product used by more than 1 million businesses.
  • Work on systems with large-scale real-world impact and significant engineering complexity.
  • #LI-Remote

Interested in this position?

Apply directly on the company website

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