Senior Engineering Manager, Multi-Tenant SaaS Platform

horizon3ai; United States; Hybrid; USD 180,000 - 240,000; Full time

Benefits offered by this job

Stock options

Remote/hybrid work options

Health, vision, and dental coverage

Flexible vacation

Parental leave

Professional development

Job summary

horizon3ai is seeking a seasoned engineering leader to lead and grow a team building platform capabilities for managed service and security providers. You will set technical direction for multi-tenant systems, balancing platform development with partner needs.

You will hire, coach, and guide backend and full-stack engineers, shape a roadmap with product and sales, and ensure strong architecture, security, and operational excellence across customer accounts.

Qualifications

• Experience leading teams building multi-tenant SaaS platforms at scale.
• Strong understanding of tenant isolation and account hierarchies.
• Experience with partner or channel platforms (reseller, OEM, white-label).
• Proven track record from design to production and ongoing operation.
• Knowledge of identity/access management and RBAC; AWS preferred.

Responsibilities

• Build, coach, and hire backend and full-stack engineers working on partner platform capabilities.
• Guide multi-tenant features such as parent and customer account relationships, tenant allocation, partner administration, dashboards, and co-branded or white-label experiences.
• Design and evolve account hierarchies, delegated administration, tenant isolation, and partner licensing and access flows.
• Use design and code reviews, retrospectives, and durable documentation to improve engineering quality and decision-making.
• Coordinate with product, customer success, partnerships, and sales to shape a roadmap around partner needs.
• Balance partner support and operational work with delivery of platform improvements.

Skills

Team leadership

Backend architecture

Cloud platforms

Python/Go

Tools

AWS

Job description

horizon3ai is seeking a seasoned engineering leader to lead and grow a team building platform capabilities for managed service and security providers. You will set technical direction for multi-tenant systems, balancing platform development with partner needs.

You will hire, coach, and guide backend and full-stack engineers, shape a roadmap with product and sales, and ensure strong architecture, security, and operational excellence across customer accounts.