quo
AI-powered business phone system for small business teams.
Company facts
- Founded
- 2018
- Employees
- 150
- Headquarters
- United States
- Type
- Private
- Funding
- Series B · $105M · 2025
- Subsidiaries
- OpenPhone
Open positions
Staff Backend Engineer, AI Agent Platform
Staff engineer acting as the hands-on technical lead for Quo's AI Agent Platform, the shared backend powering its customer-facing AI agents (Sona and Quo Agent). You'll own the platform architecture, build multi-agent orchestration, memory and self-learning, and scale LLM execution on Node/TypeScript, Temporal, RabbitMQ, Kubernetes/AWS and Postgres.
Staff Backend Engineer, Connect (API Platform)
Staff-level backend engineer who owns the architecture of Quo's Connect API platform — public API, OAuth, webhooks, MCP and integrations — mentors senior engineers, and drives cross-team adoption of the API. Stack is Node/TypeScript, Temporal, RabbitMQ, Kubernetes on AWS, Postgres, MongoDB, Elasticsearch, Redis and Datadog.
Senior Backend Engineer
About the Role As a Senior Backend Engineer at Quo, you will spend a majority of your time coding, architecting, and owning moderate to complex components. Beyond your technical work, you may also lead a small team or…