Staff AI Developer - Toronto

The role

A Staff AI Builder will lead the design and delivery of AI/ML systems. You will define AI architecture, lead model development, and solve integration problems on a cross-functional team.

What you will do

• Design and build agentic workflows including reasoning loops and orchestration
• Build and maintain RAG pipelines
• Integrate with AWS Bedrock and Agent Core
• Write and iterate on production system prompts
• Build eval and observability into agents
• Design for LLM failure using retries, circuit breakers, and fallback models
• Build backend services in Python and Node.js
• Design DynamoDB single-table schemas
• Support event-driven orchestration
• Contribute to frontend integration points

Required qualifications

• 6+ years of professional software engineering experience
• Experience shipping GenAI/LLM-powered systems in production
• Hands-on depth in agentic AI
• Practical RAG expertise
• Experience building evaluation and observability for LLM systems
• Strong prompt engineering skills
• Hands-on experience with the AWS GenAI stack
• Strong Python and Node.js skills
• Experience building full-stack applications and RESTful APIs
• Understanding of production reliability patterns for LLM-backed systems
• Experience with containerization (Docker) and cloud-native deployment
• Legally authorized to work in Canada and eligible to secure immediate U.S. non-immigrant work authorization (e.g., TN status under USMCA)

Nice to have

• Direct experience with Amazon Bedrock Agent Core
• Experience in a regulated or high-stakes domain
• Familiarity with workflow orchestration tools such as Step Functions, Sequencer, or similar
• A point of view on LLM observability tooling

Benefits

• Paid time off
• Medical/dental/vision insurance
• 401(k) to eligible employees

Before you apply

• Legally authorized to work in Canada
• Eligible to secure immediate U.S. non-immigrant work authorization
• Offer of employment may be conditional upon successful completion of a background check

About the company

Robots & Pencils designs AI systems for a human world, pairing engineering with creativity. They ship production-ready AI in 30 to 45 days.