Senior Backend Engineer - AI Data Infrastructure (Remote)

AIDA Recruitment; Canada; On-site; CAD 223,000 - 334,000; Full time

Benefits offered by this job

Equity

Job summary

A Senior/Staff Software Engineer role is available for a rapidly growing tech company developing AI-powered voice agent infrastructure. The team is building a purpose-built database for conversational AI data and scalable infrastructure to support tens of thousands to hundreds of thousands of concurrent voice calls.

You will own backend services in TypeScript/Node.js and Python, working with LiveKit, Temporal, and STT/TTS systems while shaping data pipelines and observability.

Qualifications

• 5+ years of software engineering experience.
• Proven experience building a database, queue, storage engine, streaming system, or distributed data platform.
• Ideally as a primary author, architect, or technical owner.
• Strong knowledge of distributed systems.
• Experience scaling infrastructure under significant real-world production load.
• Ability to discuss systems quantitatively (throughput, latency, data volumes, cost).
• Strong backend development experience with TypeScript/Node.js and Python.
• Strong understanding of production monitoring, observability, and distributed tracing.
• AI-native mindset and bias to action.

Responsibilities

• Design and build a purpose-built database for conversational AI data, including storage, indexing, ingestion, query paths, and retrieval.
• Scale simulation infrastructure toward 200K+ concurrent calls.
• Architect for high availability and 99.99% uptime.
• Own backend services built with TypeScript/Node.js and Python.
• Work with LiveKit, Temporal, STT/TTS, and LLM tooling.
• Build pipelines for telephony events, recordings, transcripts, evaluations, and call outcomes.
• Improve observability using OpenTelemetry and SigNoz.
• Diagnose and eliminate performance bottlenecks in high-throughput systems.
• Make architectural decisions around scalability, reliability, latency, and costs.
• Ship rapidly and deploy to production multiple times per day.

Skills

5+ years experience

backend/infrastructure

distributed systems

ownership

AI-native mindset

bias to action

Tools

LiveKit

Temporal

OpenTelemetry

SigNoz

Node.js

Python

Job description

A Senior/Staff Software Engineer role is available for a rapidly growing tech company developing AI-powered voice agent infrastructure. The team is building a purpose-built database for conversational AI data and scalable infrastructure to support tens of thousands to hundreds of thousands of concurrent voice calls.

You will own backend services in TypeScript/Node.js and Python, working with LiveKit, Temporal, and STT/TTS systems while shaping data pipelines and observability.