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Software Development Engineer III - Agency Experience

3 weeks ago
India
Full-time
Senior
Full-stack Engineer
Software Development
Angular Bootstrap CSS Grafana Kafka LLM Microservices MongoDB NestJS Node.js PostgreSQL Prometheus React Redis REST API Tailwind CSS TypeScript Vue.js Vuex
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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
View All Jobs 104

Description

  • Own and contribute to architecture and development across the Agency Module, Billing, and Affiliate systems.
  • Design and implement backend APIs for subscription management, payments, invoicing, and affiliate tracking.
  • Build performant frontend experiences for agency onboarding, billing dashboards, and affiliate management.
  • Architect secure integrations with third-party payment gateways and internal microservices.
  • Implement observability, logging, and monitoring to support high availability and rapid incident resolution.
  • Enforce security and compliance best practices across authentication, authorization, data protection, and rate limiting.
  • Use AI-assisted tools to accelerate development, testing, refactoring, and documentation while maintaining reliability guardrails.
  • Collaborate with Product Managers, Designers, and Engineers to align business goals with technical architecture.
  • Participate in technical reviews, deep dives, and on-call rotations to support operational excellence.

Requirements

  • 4+ years of hands-on software engineering experience building backend systems and high-performance frontend applications.
  • Strong backend engineering and distributed systems experience with API development, data modeling, and systems architecture.
  • Hands-on experience with Node.js, preferably NestJS, TypeScript, PostgreSQL, MongoDB, and Redis.
  • Experience with backend performance optimization, caching strategies, and event-driven architectures such as Redis, Kafka, or Pub/Sub.
  • Experience with modern frontend frameworks such as React, Vue, or Angular, plus CSS libraries like Bootstrap or Tailwind CSS.
  • Advanced experience with complex state management libraries such as Redux, Vuex, or MobX.
  • Experience optimizing frontend performance and web vitals at scale, including SSR, edge, or hybrid rendering architectures.
  • Familiarity with observability tools and practices such as Grafana, Prometheus, Sentry, or PostHog.
  • Strong understanding of security best practices, including authentication, authorization, access control, secure data flow, and privacy compliance.
  • Excellent communication and collaboration skills, with the ability to lead technical discussions and mentor junior engineers.

Benefits

  • Remote-first work environment.
  • Opportunity to work on a large-scale, high-traffic platform serving millions of businesses.
  • Exposure to modern engineering challenges across distributed systems, payments, and multi-tenant SaaS.
  • Work in a global team across 15+ countries.
  • Reasonable accommodations available for individuals with disabilities.

Interested in this position?

Apply directly on the company website

Apply Now

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