Founding Backend Engineer for Real-Time AI Voice Platform

United States Digital Space LLC; United States; Hybrid; USD 101,000 - 151,000; Full time

Job summary

United States Digital Space LLC seeks a Founding Software Engineer to co-create the core infrastructure enabling real-time voice conversations. You will work closely with the founders to design and build backend platforms, APIs, and distributed systems that scale in production.

Experience across backend/platform development, API design, Linux, and observability is essential. This role is hybrid remote with Toronto/GTA coverage, and bonus familiarity with WebRTC/WebSockets, Python, TypeScript,

Qualifications

• Experience in backend or platform development and distributed systems.
• Experience building reliable systems from 0→1.
• Familiarity with APIs, Linux, and production-grade software.
• Co-op experience counts; hiring across experience levels.

Responsibilities

• Build the core infrastructure behind real-time voice conversations, including audio streaming, LLM orchestration, APIs, integrations, observability, and production systems.
• Collaborate directly with founders to shape system architecture and platform capabilities.
• Deliver reliable, scalable services with a focus on maintainability and observability.

Skills

Backend development

Distributed systems

APIs

Linux

TypeScript

Node.js

Python

WebRTC/WebSockets

Docker

Kubernetes

Tools

TypeScript

Node.js

Python

WebRTC/WebSockets

Docker

Kubernetes

Job description

United States Digital Space LLC seeks a Founding Software Engineer to co-create the core infrastructure enabling real-time voice conversations. You will work closely with the founders to design and build backend platforms, APIs, and distributed systems that scale in production.

Experience across backend/platform development, API design, Linux, and observability is essential. This role is hybrid remote with Toronto/GTA coverage, and bonus familiarity with WebRTC/WebSockets, Python, TypeScript,