{"@context":"https://schema.org","@type":"JobPosting","directApply":"https://schema.org/False","title":"Staff Engineer - Client Portal Platform","description":"

About HighLevel

HighLevel is a cloud-based, all-in-one white-label marketing and sales platform that empowers marketing 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, from marketing agencies to entrepreneurs to small businesses and beyond. Our platform empowers users across industries to streamline operations, drive growth, and crush their goals.

HighLevel processes over 15 billion API hits and handles more than 2.5 billion message events every day. Our platform manages 470 terabytes of data distributed across five databases, operates with a network of over 250 micro-services, 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

Every month, 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. Behind those numbers are real people growing their companies, connecting with customers, and making their mark - and we get to help make that happen.

Learn more about us on our YouTube Channel or Blog Posts

About the Role

We’re looking for a Staff Software Engineer to join our Client Portal Team, which powers the core platform across our Client Portal Universe like Communities, Kollab, Courses. This team of 25+ engineers are responsible for delivering a reliable, secure, and high-performance infrastructure that handles millions of events ranging from checkouts, notifications, video streaming, networking — from robust platforms for creators/educators for learning courses; think Coursera/Udemy, connecting like minded folks into cohesive community where they can interact among each other, learn and become part of a common tribe, taking courses and streaming Petabytes of video data.

Currently these products empower thousands of creators with 300k+ MAUs checking out thousands of courses, communities on web and mobile platforms. Businesses can offer whitelabeled customised mobile apps to customize the experience of their users according to their branding bringing more power into the hands of creators.

As a Staff Engineer, you’ll lead the technical direction of the platform, solve complex distributed system and frontend engineering problems from web to Mobile Apps and mentor 25+ engineers across squads. You’ll partner closely with PMs, designers, infra, and security teams across 5+ products to drive long-term architecture, elevate engineering standards, and ensure seamless user experiences at scale.

Responsibilities

Own architecture and scaling decisions for core Client Portal components: Authentication and access management, Secure cross-platform identity, Real-time systems for notifications and chat, High-throughput video streaming infrastructure
Define and maintain infrastructure patterns and internal tooling to enable fast, secure, and consistent product development.
Lead cross-cutting initiatives to improve: System reliability, API latency, Workflow throughput
Work hands-on with backend technologies: NestJS, Firestore, MongoDB, PostgreSQL, Redis, Queuing Systems, Service Mesh-based microservices
Enhance observability and resilience: Monitoring and alerting using Prometheus/Grafana, Incident response strategies
Leverage LLMs and AI tools to: Write, refactor, test, and debug code efficiently, Implement guardrails to reduce hallucinations and increase reliability
Collaborate with product, infrastructure, and security teams to ensure: Data integrity, Access control, Compliance standards
Mentor and guide high-performing engineers to foster technical growth and excellence.
Stay up-to-date with AI/LLM advancements, software development best practices, and distributed architecture patterns — and share insights with the team.
Participate in: Design reviews, Deep technical dives, On-call rotations to uphold a culture of operational excellence

Requirements

8+ years of backend engineering experience, including designing fault-tolerant systems and working on high-scale platforms.
Deep expertise in distributed systems, event-driven architectures, and asynchronous job processing.
Proven experience optimizing availability, performance, and reliability in real-world systems under load.
Strong experience with relational and NoSQL data models (especially with complex temporal data).
Familiarity with monitoring, SLOs, and root-cause analysis in production environments.
4+ years experience in any Frontend ecosystems (React/Vue/Angular) and deep understanding of Design language and systems
Familiarity with DNS routing, SSL Certificate Provisioning and Load Balancing to enable a secure, multi-tenant environment.
Familiarity with hallucination mitigation strategies (e.g., code constraints, test scaffolding, embeddings, context injection).
Excellent communication and cross-functional collaboration skills
A pragmatic, hands-on leader who balances long-term vision with iterative execution

EEO Statement

The company is an Equal Opportunity Employer. As a part of affirmative action compliance, demographic information may be collected voluntarily. This information is used strictly for legal compliance, will be kept separate from your application, and will not impact hiring decisions.

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