Sr.SDE - Users

The role

You will design and build scalable, secure user management systems, including authentication, authorization and permission hierarchies on a multi-tenant SaaS platform. You will work with product, security and platform teams to deliver reliable features for millions of users.

What you will do

• Write clean, maintainable code in TypeScript/JavaScript
• Build and maintain 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 user impersonation, delegation and permission templates
• Integrate Elasticsearch for advanced user search and filtering
• Sync user data across stores and implement audit logging
• Ensure compliance with GDPR and similar regulations
• Mentor junior engineers and take part in architecture discussions and code reviews

Required qualifications

• 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 and permissions
• Languages: TypeScript, JavaScript, Node.js
• Frameworks: NestJS, Express.js
• Databases: MongoDB, Firestore, SQL
• Authentication: OAuth 2.0, JWT, session management
• Cloud: Google Cloud Platform (GCP)
• Messaging: Google Cloud Pub/Sub
• DevOps: Git, CI/CD
• Search: Elasticsearch, Clickhouse
• Architecture: Microservices, event-driven architecture, IAM, RBAC

Before you apply

• Remote role, listed with #LI-Remote and #LI-HB1 tags

About the company

HighLevel is an AI-powered business operating system for agencies, entrepreneurs and small and medium businesses in 150+ countries. It operates as a global, remote-first organization with over 2,000 team members.