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Added 19 mins ago
PL
Accounting Manager
Pure Life Machinery
St. Catharines, ON
- Full-time
…Manager, Controller, the Managing Director and the operations and sales teams. This role suits someone who enjoys both doing the work and improving how it gets done: tighter closes, better…
Added 34 mins ago
CS
Office Manager
Cogir Senior Living
Kitchener, ON · Briarfield Gardens
- Full-time
In addition, you will lead and engage team members dedicated to consistently delivering an exceptional living experience for our residents.
Added 48 mins ago
EB
Store Manager - Jo Malone London - Fulltime - Chinook Centre - Calgary AB
ELC Beauty LLC
Calgary, AB
- Full-time
We are looking for a dynamic and inspirational Store/Retail/Counter Manager to lead, coach and develop our team of Sales Associates to achieve all sales, customer service and operational…
Added 1 hour ago
E
Brand, Marketing and Communications (BMC) - Specialist - Service Lines (3 months contract)
EY
Toronto, ON
- Contract
Analyze event performance beyond attendance, including engagement quality, lead conversion and downstream sales impact.
Added 1 hour ago
LG
Territory Sales Repesentative - Canada
LeafFilter Gutter Protection
Regina, SK
- Full-time
Territory Sales Representative with Leaf Filter
Added 1 hour ago
EC
Senior Customer Success Manager, Defence
Esri Canada
Ottawa, ON
- Full-time
Lead and coordinate account‑level planning and execution, aligning Sales, Professional Services, and other internal teams around shared customer and revenue objectives.
Added 1 hour ago
EC
Senior Customer Success Manager, Prairies
Esri Canada
AB · Edmonton, AB
- Full-time
Lead and coordinate account‑level planning and execution, aligning Sales, Professional Services, and other internal teams around shared customer and revenue objectives.
Added 1 hour ago
LG
Territory Sales Repesentative - Canada
LeafFilter Gutter Protection
Peterborough, ON
- Full-time
Territory Sales Representative with Leaf Filter
Added 1 hour ago
LG
Territory Sales Repesentative - Canada
LeafFilter Gutter Protection
London, ON
- Full-time
Territory Sales Representative with Leaf Filter
Added 1 hour ago
LG
Territory Sales Repesentative - Canada
LeafFilter Gutter Protection
West Kelowna, BC
- Full-time
Territory Sales Representative with Leaf Filter
Added 1 hour ago
LG
Territory Sales Repesentative - Canada
LeafFilter Gutter Protection
Dartmouth, NS
- Full-time
Territory Sales Representative with Leaf Filter
Added 1 hour ago
LG
Territory Sales Repesentative - Canada
LeafFilter Gutter Protection
Waterloo, ON
- Full-time
Territory Sales Representative with Leaf Filter
Added 1 hour ago
LG
Territory Sales Repesentative - Canada
LeafFilter Gutter Protection
Ottawa, ON
- Full-time
Territory Sales Representative with Leaf Filter
Added 1 hour ago
LG
Territory Sales Repesentative - Canada
LeafFilter Gutter Protection
Winnipeg, MB
- Full-time
Territory Sales Representative with Leaf Filter
Added 1 hour ago
LG
Field Canvassing Representative
LeafFilter Gutter Protection
AB · Edmonton, AB
- Full-time
Territory Sales Representative with Leaf Filter
Added 1 hour ago
LG
Territory Sales Repesentative - Canada
LeafFilter Gutter Protection
Calgary, AB
- Full-time
Territory Sales Representative with Leaf Filter
Added 2 hours ago
BG
Director of Marketing & Digital Commerce
Barbecues Galore
Burlington, ON
- Full-time
We are looking for a Director of Marketing & Digital Commerce to lead our entire marketing and e-commerce operations. You will own the website and digital content, build our brand, bring…
Added 2 hours ago
S
Sales Representative - Lubricant
Safety-Kleen
Toronto, ON
- $62,500 CAD / year
- Full-time
Safety-Kleen, a Clean Harbors company, is looking for a Lubricant Sales Representative to grow our branded Performance Plus Lubricants business. This is a full-time, permanent role.
Added 3 hours ago
C
Marketing & Communications Specialist
CGT
Kelowna, BC
- $65,000 to $75,000 CAD / year
- Full-time
This position executes marketing and communications initiatives that support dealer development, lead generation, customer engagement, product awareness, and business development. The role…
Added 3 hours ago
MP
Real Estate Agent – No Experience Needed (Dubai)
McCone Properties
Winnipeg, MB
- Full-time
No. 1 lead generator on Property Finder - leads handed to you every day
Added 4 hours ago
SE
Service Technician - Barrie, ON
Stryten Energy
Barrie, ON
- Full-time
Communicate with Management/Sales on any customer issues.
Added 4 hours ago
H
Head of Marketing
Haystack
Canada
- Full-time
Lead and manage the marketing operations, automation, and analytics functions while scaling the team and technology stack
Added 4 hours ago
H
Customer Support Specialist
Haystack
Canada
- $65,000 CAD / year
- Full-time
Manage a blend of support, sales, and onboarding responsibilities to ensure customers get the most value from the platform.
Added 4 hours ago
H
VP of Marketing
Haystack
Canada
- Full-time
An enterprise technology company is seeking a Global VP Marketing to lead its worldwide marketing strategy and organization during its next phase of growth. This leadership role involves…
Added 4 hours ago
RH
Contracts and Compliance Manager
Robert Half
Toronto, ON · Greater Toronto Area, Canada
- $135,000 to $150,000 CAD / year
- Full-time
Partner with Sales and business leaders to negotiate and manage contractual risk.

Robots and Pencils

Staff Engineer / AI Builder - Toronto

Toronto, ON, Canada

The salary range for this role is $ $165,604 - $228,491 USD.

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Job details

Pay: The salary range for this role is $ $165,604 - $228,491 USD.
Experience: 6+ years of professional software engineering experience, including meaningful time shipping GenAI/LLM-powered systems in production - not just prototypes
Posting language: English
Posted: Nov 3, 2026

Original job description

We’re looking for a Staff AI Builder to lead the design and delivery of AI/ML systems. This role is ideal for an experienced engineer who thrives on architectural decisions, can confidently own systems end-to-end, and contributes to technical leadership across the team.

In this role, you will work as a key technical leader on a cross-functional team, defining AI architecture, leading model development and optimization, and solving challenging integration problems. You’ll be joining real, in-flight work where reliability, security, and scalability are critical. You’ll establish engineering standards, raise the bar on how we build AI systems, and contribute to the technical decisions that shape how our AI work scales over time.

Why This Role Matters

At Robots & Pencils, we design AI systems for a human world. Our name says it all. Robots and pencils means engineering paired with creativity, because every agent we ship has to work for real people in real workflows. That balance is baked into how we operate.

Every role here contributes directly to that mission. Here, you shape how AI systems integrate into enterprise operations, how teams move at real velocity, and how products create measurable impact for clients and the people they serve. We ship production-ready AI in 30 to 45 days. That pace demands people who take ownership, lead with craft, and care deeply about what they put their name on.

What You'll Do

Agentic & GenAI Engineering

Design and build agentic workflows - reasoning loops, tool/function calling, and orchestration across single- and multi-agent architectures - with clear judgment on which pattern fits the problem and which doesn't
Build and maintain RAG pipelines: chunking strategy, embeddings, vector search (OpenSearch), re-ranking, and staleness/refresh handling for dynamic knowledge sources
Integrate with AWS Bedrock and Agent Core, including MCP-based tool design - writing tool descriptions precise enough that an orchestrator routes correctly every time
Write and iterate on production system prompts - structured role framing, output constraints, and few-shot design - not just prompt tinkering
Build eval and observability into every agent you ship: golden datasets, RAGAS-style metrics, LLM-as-judge (as both a runtime guardrail and an offline eval), and tracing via LangFuse/LangSmith or equivalent
Design for LLM failure, not just LLM success: retries with backoff and jitter, circuit breakers, fallback models, and a clear user-facing story when something upstream degrades

Full-Stack & Platform Engineering

Build backend services in Python and Node.js, including serverless architectures (AWS Lambda, API Gateway) that support agentic workflows
Design DynamoDB single-table schemas - composite keys, transactional writes - for conversation state, agent memory, and session history
Support event-driven orchestration (Step Functions, SQS, EventBridge) for asynchronous agent operations, with an eye toward reliability and clean error handling
Contribute to frontend integration points so agentic features land cleanly for end users, and write clean, well-tested code across the stack
Support deployment, monitoring, and production troubleshooting in cloud-native environments (AWS, Docker), with guidance from senior engineers where needed

Collaboration & Technical Leadership

Bring informed technical judgment to architecture discussions - naming the real trade-offs of a pattern (e.g., gateway centralization vs. latency, single- vs multi-agent design) rather than defaulting to what's familiar
Partner with product, design, and delivery leads across global teams to scope and ship features end-to-end
Mentor other engineers on the pod and help raise the bar on agentic engineering practices, including AI-assisted development tools like Claude Code
Own assigned features and releases end-to-end - including the unglamorous parts: debugging, hardening, and keeping production systems trustworthy

What You'll Bring

6+ years of professional software engineering experience, including meaningful time shipping GenAI/LLM-powered systems in production - not just prototypes
Real, hands-on depth in agentic AI: reasoning loops, tool/function calling, multi-agent orchestration, and a considered point of view on when single-agent design beats multi-agent, and why
Practical RAG expertise: chunking strategies, embeddings, vector databases (OpenSearch or similar), cosine similarity search, and re-ranking - you can explain the mechanism, not just the terminology
Experience building evaluation and observability for LLM systems: golden datasets, LLM-as-judge, RAGAS or comparable metrics, and tracing tools like LangFuse/LangSmith
Strong prompt engineering skills - you can write a production system prompt with real structure and constraints on request, not just describe the concept
Hands-on experience with the AWS GenAI stack: Bedrock, Agent Core, Lambda, DynamoDB (single-table design), S3, SQS, EventBridge, Step Functions
Strong Python and Node.js skills, with experience building full-stack applications and RESTful APIs
Solid understanding of production reliability patterns for LLM-backed systems: retries/backoff, circuit breakers, fallback models - as a bundle, not a single tactic
Experience with containerization (Docker) and cloud-native deployment
Comfort owning ambiguous, integration-heavy problems, and the ability to go a level deeper when someone pushes on your answer instead of staying abstract
Legally authorized to work in Canada and eligible to secure immediate U.S. non-immigrant work authorization (e.g., TN status under USMCA) for mandatory weekly on-site client delivery (3 days/week) in the United States.

Helpful Extras and Unique Skills

Direct experience with Amazon Bedrock Agent Core - agent registration, MCP tool wiring, memory/session management, gateway provisioning
Experience in a regulated or high-stakes domain (education, healthcare, financial services) where evaluation rigor and reliability carry real consequences
Familiarity with workflow orchestration tools such as Step Functions, Sequencer, or similar state-machine-based systems
A point of view on LLM observability tooling, gained from actually running it in production rather than reading about it

The below range reflects the range of possible compensation for this role at the time of this posting. We may ultimately pay more or less than the posted range. This range may be modified in the future. An employee's position within the salary range will be based on several factors including, but not limited to, relevant education, qualifications, certifications, experience, skills, seniority, geographic location, performance, shift, travel requirements, sales or revenue-based metrics, any collective bargaining agreements, and business or organizational needs. The salary range for this role is $ $165,604 - $228,491 USD.  We offer a comprehensive package of benefits including paid time off, medical/dental/vision insurance and 401(k) to eligible employees.

An offer of employment may be conditional upon successful completion of a background check in accordance with local legislation and our candidate privacy notice. Your current employer will not be contacted without your permission.  We are committed to ensuring equal employment opportunities for all job applicants and employees. Employment decisions are based upon job-related reasons regardless of an applicant's race, color, religion, sex, sexual orientation, gender identity, age, national origin, disability, marital status, genetic information, protected veteran status, or any other status protected by law.

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More about this job

Responsibilities

Design and deliver production-grade agentic AI systems, including orchestration, RAG pipelines, prompts, evaluation, observability, and reliability safeguards. Build and support cloud-native services and integrations, make architecture decisions, mentor engineers, and own features and releases end-to-end.

Requirements

Requires 6+ years of software engineering experience, including production experience with GenAI/LLM systems, and hands-on expertise in agentic AI, RAG, evaluation, observability, and prompt engineering. Candidates should have strong Python and Node.js skills, experience with AWS services and production reliability patterns, and authorization to work in Canada plus eligibility for immediate U.S. non-immigrant work authorization.

Skills

Agentic AI
Generative AI
Large Language Models
RAG
Prompt Engineering
Python
Node.js
AWS Bedrock
Amazon Bedrock Agent Core
DynamoDB
OpenSearch
LLM Evaluation
LLM Observability
AWS Lambda
Docker
System Architecture

Benefits

Paid Time Off
Medical Insurance
Dental Insurance
Vision Insurance
401(k)

Visa sponsorship

Not detected in the job text

Keywords

Agentic AI
Generative AI
Large Language Models
Reasoning Loops
Tool Calling
Multi-Agent Orchestration
Retrieval-Augmented Generation
Embeddings
Vector Search
OpenSearch
Re-Ranking
AWS Bedrock
Amazon Bedrock Agent Core
Model Context Protocol
Prompt Engineering
RAGAS
LLM-as-Judge
LangFuse
LangSmith
Python
Node.js
AWS Lambda
DynamoDB
Step Functions
SQS
EventBridge
Docker
Serverless Architecture
Circuit Breakers
Retries and Backoff

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