Job Description

HeyMilo is building agentic AI that deploys multimodal AI agents to help companies interview and evaluate candidates at scale.

This role is for an exceptional full stack engineer who wants to work on bleeding-edge systems at the frontier of AI, real-time communication, low-latency pipelines, orchestration, and production infrastructure that supports interviews happening across the world.

If you want a predictable roadmap and narrow responsibilities, this role is not for you.

If you want to build real-time AI systems that feel human, keep reading.

What you'll work on

Building real-time AI interview systems (voice + video, low latency)
Designing and scaling infrastructure for thousands of concurrent interview sessions
Developing backend APIs and workflow orchestration (FastAPI, Temporal)
Shipping full stack product features used by employers and candidates every day
Building queue-driven systems for job execution, retries, and automation (SQS)
Working on retrieval systems and prompt-driven agent workflows (VectorDBs, MCP)
Improving reliability, performance, and observability across production systems
Supporting enterprise integrations, data pipelines, and security patterns

What were looking for

Use Cursor/Devin to write at least 50% of your code
3–5+ years of professional software engineering experience
Full stack engineer who can ship end-to-end and operate systems in production
Strong systems thinking and engineering fundamentals
Comfortable building low-latency, real-time systems
Basic understanding of prompt writing + ML fundamentals
High ownership, high accountability, low ego
Deep belief in what were building

Tech you should be comfortable with

Backend: Python, FastAPI, async systems
Frontend: ReactJS, NextJS, ShadCN
Infra & deployment: AWS, GCP, Docker, Docker Compose, Kubernetes
Queues & orchestration: SQS, Temporal
Databases & analytics: MongoDB, ClickHouse, InfluxDB
Retrieval: VectorDBs, RAG-style systems
Real-time: LiveKit, Pipecat, low-latency audio/video pipelines
AI agent tooling: MCP servers, prompt-driven workflows

This role is not for you if:

You want a strict 9–5 job
You prefer narrow scopes and fixed task lists
You avoid production responsibility
You want safety over upside

HeyMilo AI

Open Positions

Senior/Lead Software Engineer (Canada)