Senior ML Engineer (Montreal)

About Saris AI

We’re a San Francisco, Montreal, and Toronto based applied AI startup building the future of work in the banking industry. Our goal is to tackle automation problems that require long-context reasoning, tool orchestration, and agentic decision-making in an industry where reliability and compliance aren't optional. We’ve shipped real agents that handle real customer workflows in production, and with a growing customer base and strong revenue traction, we are expanding our engineering team.

Your Mission

• Build and own the ML infrastructure that makes our AI systems reliable and improvable, including eval frameworks, prompt management, and model observability.
• Ship customer-facing AI features on a consistent cadence, balancing new capability delivery with foundational infrastructure work.
• Define and implement the team’s approach to evals, LLM routing, prompt engineering, and model selection.
• Build pragmatic standa...