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Added 3 mins ago
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Senior Director Process Engineering - NORAM
Veolia | Water Tech
ON · Ontario, Canada
- $169,000 to $220,000 CAD / year
- Full-time
This executive leader will build and develop a high-performing process engineering organization, ensuring solutions are technically sound, commercially competitive, operationally practical,…
Added 3 mins ago
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Design Lead - Facade Detailing
Mitrex - Building-Integrated Solar Technology
Toronto, ON
- Full-time
We're growing our drafting team and need a Design Lead to lead it. You'll be the team's direct technical leader - the primary point of contact for clients on façade and cladding shop…
Added 3 mins ago
SL
Engineering Manager
Strescon Limited
Saint John, NB
- Full-time
We are seeking an Engineering Manager (P.Eng.) to join our Engineering team. This role is ideal for an experienced engineering leader who is passionate about developing high-performing…
Added 3 mins ago
CN
Director of Facilities & Maintenance
Canadian Niagara Hotels
Niagara Falls, ON
- Full-time
This leader is equally at home in the back of the house and the boardroom - someone who can walk a boiler room or troubleshoot mechanical systems in the morning with their team, present a…
Added 3 mins ago
SM
Financial Controller
Screenco Manufacturing Ltd.
Concord, ON
- Full-time
· Effective team leader and communicator who explains financial results and risks clearly to non-financial stakeholders.
Added 3 mins ago
SG
Project Management Director
Socomec Group
Brampton, ON
- Full-time
Socomec Group (Socomec) is a global leader in electrical equipment engineering and manufacturing, specialized in low voltage energy performance.
Added 3 mins ago
OT Systems/Applications Design
Celestica International LP
Newmarket, ON
Celestica, Inc. (NYSE: CLS; TSX: CLS) is a technology leader dedicated to driving customer success and market advancements. With deep expertise in design, engineering, manufacturing, supply…
Added 3 mins ago
RA
Prototype Assembler 3P - 2nd Shift
Rockwell Automation
Cambridge, ON · Canada Cambridge (Dundas)
- Full-time
Rockwell Automation is a global technology leader focused on helping the world’s manufacturers be more productive, sustainable, and agile. With more than 28,000 employees who make the world…
Added 3 mins ago
U
Online Game Programmer (Rainbow Six)
Ubisoft
Saguenay, QC
- Full-time
Ubisoft is a global leader in gaming with teams across the world creating original and memorable gaming experiences, from Assassin’s Creed, Rainbow Six to Just Dance and more. We believe…
Added 3 mins ago
U
User Interface Artist
Ubisoft
Saguenay, QC
- Full-time
Ubisoft is a global leader in gaming with teams across the world creating original and memorable gaming experiences, from Assassin’s Creed, Rainbow Six to Just Dance and more. We believe…
Added 3 mins ago
RI
Food Safety and Compliance Specialist
Rentokil Initial
AB · Edmonton, Alberta
- $45,000 to $47,000 CAD / year
- Full-time
…development. We are proud to say that the majority of our management team began their journey with us as specialists. This is a testament to our strong belief in promoting from within and…
Added 3 mins ago
RI
Food Safety and Compliance Specialist
Rentokil Initial
Vancouver, BC
- $45,000 to $47,000 CAD / year
- Full-time
…development. We are proud to say that the majority of our management team began their journey with us as specialists. This is a testament to our strong belief in promoting from within and…
Added 4 mins ago
AI
Machine Saw Operator
Acuren Inspection, Inc.
Cambridge, ON
- $20 to $25 CAD / hour
- Full-time
Acuren is a market leader. Our formula for success is straightforward: be capable locally, with certified and well-equipped personnel supported by trained, experienced leaders. Continuing…
Added 4 mins ago
JI
Engineer, Facilities
J.D. Irving, Limited
Halifax, NS
- Full-time
As a technical expert and project leader, you will oversee capital and maintenance projects from concept to completion, manage consultants and contractors, provide engineering guidance, and…
Added 19 mins ago
CE
Technical Sales Specialist – Wear Solutions
Castolin Eutectic
Remote, Canada
- $90,000 to $130,000 CAD / year
- Full-time
- Remote
Collaboration: Work closely with the Wear Solutions team to provide technical and application support
Added 19 mins ago
CE
Business Development Manager – Mining Solutions
Castolin Eutectic
Remote, Canada
- $110,000 to $150,000 CAD / year
- Full-time
- Remote
Collaborate to Win: Work with our Services Team, Product Managers, and technical specialists to develop customer-specific solutions and convert opportunities into sales.
Added 19 mins ago
CE
Business Development Manager – Industrial Welding & Wear Solutions
Castolin Eutectic
Remote, Canada
- $90,000 to $140,000 CAD / year
- Full-time
- Remote
For more than 120 years, Castolin Eutectic has been a global leader in welding consumables, wear protection, thermal spray technologies, and engineered maintenance solutions. We help…
Added 33 mins ago
XI
Director, Network Development & Operations
Xplore Inc.
Cornwall, ON
- Full-time
The Director, Network Development & Operations is the senior leader responsible for turning Xplore’s network architecture into an automated, scalable production network, delivering Core &…
Added 33 mins ago
XI
Director, Network Development & Operations
Xplore Inc.
Markham, ON
- Full-time
The Director, Network Development & Operations is the senior leader responsible for turning Xplore’s network architecture into an automated, scalable production network, delivering Core &…
Added 33 mins ago
UO
Supervisor, Gift Processing, Records & Fulfilment
University of Manitoba
Winnipeg, MB
- $58,695 to $83,610.8 CAD / year
- Full-time
…biographic data entry procedures. This position serves as a key leader of the Gift Administration team and leads functions critical to the successful stewardship of award donors,…
Added 33 mins ago
XI
Director, Network Development & Operations
Xplore Inc.
Woodstock, NB
- Full-time
The Director, Network Development & Operations is the senior leader responsible for turning Xplore’s network architecture into an automated, scalable production network, delivering Core &…
Added 33 mins ago
RI
Food Safety and Compliance Specialist
Rentokil Initial
AB · Edmonton, AB
- $45,000 to $47,000 CAD / year
- Full-time
…development. We are proud to say that the majority of our management team began their journey with us as specialists. This is a testament to our strong belief in promoting from within and…
Added 33 mins ago
PP
Principal Chemist
Piramal Pharma Solutions
Aurora, ON
- Full-time
Prepare draft project updates and reports for review by project team leader. May present project updates to internal staff and clients
Added 33 mins ago
CT
Broadcast Technician
CHCH TV
Hamilton, ON
- Part-time
…for a dedicated and skilled Broadcast Technician to join our technical team and help us keep the signal strong, the broadcasts flawless, and the local news on the…
Added 33 mins ago
RI
Food Safety and Compliance Specialist
Rentokil Initial
Vancouver, BC
- $45,000 to $47,000 CAD / year
- Full-time
…development. We are proud to say that the majority of our management team began their journey with us as specialists. This is a testament to our strong belief in promoting from within and…

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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