HighLevel is an AI powered, all-in-one white-label sales & marketing platform that empowers 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, comprised of agencies, consultants, and businesses of all sizes and industries. HighLevel empowers users with all the tools needed to capture, nurture, and close new leads into repeat customers. As of mid 2025, HighLevel processes over 15 billion API hits and handles more than 2.5 billion message events every day. Our platform manages over 470 terabytes of data distributed across five databases, operates with a network of over 250 microservices, 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
As of mid 2025, 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 each month. Behind those numbers are real people growing their companies, connecting with customers, and making their mark - and we get to help make that happen.
About the Role:
We're looking for a seasoned Software Engineer (SDE III) to join our Users Module team, where you'll design and build scalable, secure user management systems. This includes working on authentication, authorization, and complex permission hierarchies across a multi-tenant SaaS platform. You'll collaborate cross-functionally to deliver reliable, performant, and secure experiences for millions of users.
This role is ideal for someone who thrives in product-oriented backend systems, has a strong full stack foundation, and is comfortable using AI tools to enhance their development speed and effectiveness.
Requirements:
4+ years in backend engineering, preferably building user management systems
Proven work on authentication/authorization and IAM systems
Experience with multi-tenant SaaS and enterprise user workflows & permissions
Write clean, maintainable code in TypeScript/JavaScript
Build and maintain robust RESTful APIs for user management and authentication
Design scalable multi-tenant user data models and schemas
Implement OAuth, JWT, and secure session management
Design and implement IAM v2 systems with RBAC and granular permissions
Build features like user impersonation, delegation, and permission templates
Create and manage token validation and session lifecycle flows
Architect scalable models using MongoDB, Firestore, and SQL
Integrate Elasticsearch for advanced user search and filtering
Sync user data across multiple stores and implement audit logging
Build secure auth flows with encryption, token validation, and data privacy controls
Ensure compliance with GDPR and similar regulations
Create audit trails and compliance reporting for user actions
Optimize queries, implement caching strategies, and handle high-volume user operations
Build systems that scale across enterprise-grade customer environments
Partner with product, security, and platform teams to deliver features
Collaborate with DevOps on deployment and infrastructure
Mentor junior engineers and participate in architecture discussions and code reviews
Bonus Points:
Experience with Firebase Admin SDK
Familiarity with ISTIO and service mesh architecture
Familiarity with GCP services or willingness to get hands-on with them
EEO Statement:
At HighLevel, we value diversity. In fact, we understand it makes our organisation stronger. We are committed to inclusive hiring/promotion practices that evaluate skill sets, abilities, and qualifications without regard to any characteristic unrelated to performing the job at the highest level. Our objective is to foster an environment where really talented employees from all walks of life can be their true and whole selves, cherished and welcomed for their differences while providing excellent service to our clients and learning from one another along the way! Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions.
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