Principal AI Architect - Remote Leader in Enterprise AI

Harnham; Toronto; Remote; CAD 200,000 - 320,000; Full time

Benefits offered by this job

Flexible remote working environment

Competitive compensation package

Long-term career growth

Job summary

Harnham partners with a rapidly scaling SaaS technology business to recruit a Principal AI Architect who will define the next generation of their AI platform. You will lead architectural strategy, drive engineering excellence and mentor senior engineers while shaping production-grade AI products used by enterprise customers.

In this highly influential leadership role, you will design scalable agentic AI systems, set standards, and establish a roadmap across multiple teams, leveraging LangChain,

Qualifications

• 10+ years of software engineering experience at Staff/Principal level.
• Proven track record building and shipping production agentic AI systems.
• Expertise in LLM orchestration, multi-agent architectures, tool-use frameworks.

Responsibilities

• Defining architecture, standards, and technical roadmap for agentic AI products and infrastructure.
• Designing scalable multi-agent systems, orchestration frameworks, reasoning engines, memory architectures, and planning workflows.
• Building robust AI evaluation, testing, observability, tracing, and monitoring capabilities.
• Establishing quality frameworks including automated evaluations, regression testing, experimentation platforms, and release governance.
• Reviewing system architecture, identifying technical risks, and influencing engineering decisions across multiple teams.
• Driving best practices for production AI systems, retrieval architectures, and LLM-powered applications.
• Mentoring senior engineers and acting as a trusted technical leader across the organization.
• Evaluating emerging AI technologies and translating them into practical business impact.

Skills

Staff level leadership

Architectural leadership

Mentoring engineers

Influencing engineering decisions

Tools

LangChain

LangGraph

Microsoft Agent Framework

Python

Job description

Harnham partners with a rapidly scaling SaaS technology business to recruit a Principal AI Architect who will define the next generation of their AI platform. You will lead architectural strategy, drive engineering excellence and mentor senior engineers while shaping production-grade AI products used by enterprise customers.

In this highly influential leadership role, you will design scalable agentic AI systems, set standards, and establish a roadmap across multiple teams, leveraging LangChain,