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Added 4 mins ago
BI
Pega Lead System Architect
BURGEON IT SERVICES
Toronto, ON · Greater Toronto Area, Canada
- Contract
The Pega Lead System Architect is responsible for the end-to-end architecture, technical design, development governance, and successful implementation of enterprise applications built on…
Added 4 mins ago
TR
Social Media Manager
Thomson Reuters
Toronto, ON
- $37 to $42 CAD / hour
- Contract
We're looking for a Social Media Manager to lead end-to-end social campaigns and flagship moments for Thomson Reuters across X, Facebook, YouTube, LinkedIn, Instagram and TikTok.
Added 4 mins ago
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Corporate Controller
Nanalysis
Calgary, AB · Greater Calgary Metropolitan Area
- Full-time
· Lead the finance and accounting team of six providing guidance, training, and oversight
Added 4 mins ago
Microsoft 365 Solutions Architect
University of Toronto
Toronto, ON
Analyzing the effectiveness and efficiency of existing systems (i.e. SharePoint) and develop technical solutions for system improvements, while maintaining system security and integrity
Added 20 mins ago
Adobe CDP Architect
Capgemini
Vancouver, BC
Lead journey-mapping and use-case refinement workshops with business and technology stakeholders.
Added 20 mins ago
Staff AI Developer - Vancouver
Robots and Pencils
Vancouver, BC
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…
Added 20 mins ago
AC
Development Lead (Back-end Systems)
Air Canada
Toronto, ON
- Full-time
Lead technical solution design and own implementation-level architectural decisions within approved guardrails, ensuring alignment with enterprise technology standards and long-term product…
Added 34 mins ago
SI
Pega Lead System Architect
Spruce InfoTech Inc.
Toronto, ON
- Contract
The Pega Lead System Architect is responsible for the end-to-end architecture, technical design, development governance, and successful implementation of enterprise applications built on…
Added 34 mins ago
TI
Senior Project Manager
Teckhorizon Inc
Toronto, ON
- Contract
Proven ability to lead cross-functional technical teams, external vendors, contractors, and stakeholders.
Added 35 mins ago
MILLWRIGHT
SOPREMA Canada
Woodstock, ON
…and makes themselves a pillar of the maintenance team and the lead spirit. Their skills and understanding of the production and automated equipment push them to continuously improve on…
Added 35 mins ago
Systems Analyst
F12.net
Victoria, BC
The Position: Reporting to the Manager, Service Delivery – Our Systems Analyst is always available to resolve our client’s technical issues in person and remotely. As the System Analyst,…
Added 50 mins ago
JI
Intermediate IT Business Analyst, Cavendish
J.D. Irving, Limited
Moncton, NB
- Full-time
…needs through in-depth understanding of applicable business systems, process capabilities, industry requirements, and digital…
Added 50 mins ago
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Business Development Manager
CAE
Ottawa, ON
- Full-time
…managing strategic relationships within the Canadian Defence and Security market. The role is responsible for driving business growth, leading opportunity capture efforts, and collaborating…
Added 1 hour ago
MH
Network Support Specialist
Manitoba Hydro
Winnipeg, MB
- Full-time
Under the general direction of the Network and Storage Infrastructure Lead, you will be responsible for Network Administration duties related to the support of the Manitoba Hydro corporate…
Added 1 hour ago
SD
Senior Technology Architect
Symbiotic Digital
Toronto, ON · Queen's Park Ontario Provincial Government, Ontario
- Contract
recommend, implement, and manage technical architecture including
Added 1 hour ago
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RQ11623 - Systems Testing/QA Specialist - Senior
Maarut
Toronto, ON
- Contract
Plans and organizes testing efforts for large systems in
Added 1 hour ago
Staff Engineer / AI Builder - Toronto
Robots and Pencils
Toronto, ON
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…
Added 1 hour ago
AS
Configuration Management Specialist
AirPro SAR Services Inc.
Ottawa, ON
- Full-time
Minimum of 3 years' experience in data management, technical data management, or controlled information systems.
Added 2 hours ago
TC
Director, Marketing and Business Development
TROIS Collective
Richmond Hill, ON
- $140,000 to $180,000 CAD / year
- Full-time
The Director, Marketing and Business Development will lead the firm’s marketing, business development and client relationship initiatives, working directly with the Managing Partners. You…
Added 2 hours ago
T
Analyste, soutien logistique intégré (SLI)/Integrated Logistic Support (ILS) Analyst
Textron
Mirabel, QC
- Full-time
Added 2 hours ago
C
Site Foreman - FIFO
Convergint
Fort McMurray, AB
- Full-time
…coordination, project support, maintenance oversight, and hands-on technical assistance, with a strong focus on Building Automation Systems (BAS), building controls, and the effective…
Added 3 hours ago
O
Senior Engineering Manager - Stratus Imaging Archive
Optum
Richmond, BC
- Full-time
The Senior Engineering Manager will lead engineering teams building and evolving the Stratus Imaging Archive product and play a critical role in advancing our cloud-native Vendor Neutral…
Added 3 hours ago
Senior Forward Deployed Detection and Response Consultant, Cyber Defence, National Security, Mandiant
Google
Ottawa, ON
Bachelor's degree in Computer Science, Information Systems, Cybersecurity, a related technical field, or equivalent practical experience.
Added 3 hours ago
MP
Operating Engineer
Mother Parkers Tea & Coffee
Mississauga, ON
- Full-time
…and maintenance of chillers, boilers, and water distribution systems in compliance with Technical Standards and Safety Authority (TSSA) regulations. The role also supports capital and…
Added 5 hours ago
T
Director of Engineering
TAIRC
ON · Regional Municipality of York, ON
- Volunteer
Hire and retain talent: Lead recruitment of engineers, provide mentorship, and develop career pathways for technical staff.

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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