HighLevel

Sr. Staff Engineer - Payments & Commerce Platform

HighLevel
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2 months ago
India (city not specified)Staff+

Responsibilities

  • Architect and ship multi-tenant, planet-scale checkout, subscription, payment orchestration, invoicing, and tax services.
  • Own protobuf and ConnectRPC API conventions, versioning, compatibility, deprecation, and contract governance.
  • Design resilience and availability mechanisms including retries, circuit breakers, idempotency, outbox/Saga patterns, graceful degradation, and replay.
  • Establish auditable commerce flows using double-entry ledgers, immutable event streams, trace-linked entities, and reconciliation processes.
  • Own service catalogs, SLO scorecards, configuration standards, quotas, limits, and production operational practices.
  • Lead observability, incident management, canary and blue-green deployments, automated rollback, chaos exercises, disaster recovery, and multi-region failover.
  • Embed PCI, tokenization, secrets, retention, archival, privacy, and compliance controls into platform development.
  • Create developer acceleration systems such as service templates, design processes, contract tests, ephemeral environments, and performance harnesses.
  • Lead domain evolution, reliability strategy, API and data governance, design reviews, postmortems, technical strategy, mentorship, hiring, and cross-functional roadmap partnership.

Requirements

  • 10+ years building and operating backend systems, including at least 5+ years with Go and 2–3+ years acting at Staff, Principal, or Tech Lead scope.
  • Deep proficiency with protobuf, ConnectRPC/gRPC, API lifecycle management, versioning, compatibility, contract testing, and Buf.
  • Strong distributed-systems knowledge including idempotency, deduplication, outbox patterns, ordering, consensus basics, backpressure, and concurrency control.
  • Experience with event-driven architectures on GCP using Pub/Sub and Redis, with schema design in MongoDB and Firestore and analytics/reporting patterns in ClickHouse.
  • Experience operating Kubernetes/GKE at scale, including HPA/VPA, PDBs, resource limits, multi-region topologies, CI/CD, and canary or blue-green deployments.
  • Reliability engineering experience with SLIs/SLOs, error budgets, capacity and load testing, incident management, and disaster recovery/business continuity planning.
  • Knowledge of secrets and KMS practices, PCI basics, data retention and archival, and broader security and data governance.
  • Experience with unit, integration, contract, property-based, and performance testing, plus test data management and deterministic environments.
  • Solid understanding of Vue.js and TanStack Query for effective frontend/backend collaboration.
  • Strong technical writing and communication skills for design documents, ADRs, RFCs, postmortems, and stakeholder updates.
  • Preferred experience includes payment service provider or local-rail integrations, active-active or multi-region systems, chaos engineering, traffic management, OpenTelemetry leadership, FinOps, and PCI DSS, SOC 2, or ISO 27001.

Benefits

  • Remote-first work arrangement within a global organization operating across 10+ countries.
  • Individual contributor role with organization-level influence and no direct reports.
  • Opportunity to shape a commerce platform targeting $1T+ in annual transactions and supporting millions of businesses.
  • Equal Opportunity Employer; voluntary demographic information is used only for compliance recordkeeping and does not affect application status.

Tech Stack

ClickHouseGoGoogle Cloud PlatformgRPCKubernetesMongoDBRedisVue.js

Categories

HighLevel

About HighLevel

1,001-5,000 employees

HighLevel builds a white-label, all-in-one marketing and CRM platform for agencies, entrepreneurs, and SMBs, combining lead capture, automation, email/SMS, websites and funnels, payments, and appointment management. Founded in 2018 and headquartered in Dallas, it is privately held and raised $60M in private equity funding in 2024. The subscription SaaS serves customers in 150+ countries and is used by over one million businesses.

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