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Added 13 mins ago
Sous Chef
HelloFresh
Mississauga, ON
We are looking for an experienced Sous Chef who will oversee daily kitchen operations of our newest brand: Factor (factormeals.ca), a healthy, ready-to-heat meal delivery service. Reporting…
Added 13 mins ago
FB
Assistant Department Manager - Kingston
Farm Boy Inc.
Kingston, ON
- From $21.5 CAD / hour
- Full-time
Lead regular team huddles to share goals, recognize achievements, exchange product knowledge, and provide meaningful feedback to build engagement and connection.
Added 28 mins ago
AL
AltaGas - Plant Operator, REEF
AltaGas Ltd.
Prince Rupert, BC
- Full-time
AltaGas is seeking a Plant Operator to join our REEF Terminal Operations team. Receiving direction from the Panel Control Operator and reporting directly to the Shift Supervisor, you will…
Added 28 mins ago
RM
Supervisor, Centralized Scheduling
Ross Memorial Hospital
Kawartha Lakes, ON · Lindsay, ON
- Full-time
…Kawartha Lakes. Among our acute and continuing care services, our team cares for 45,000 patients per year in the 24/7/365 emergency department, provides orthopedics and ophthalmology,…
Added 28 mins ago
HI
Privacy and Compliance Specialist
Healthcare Insurance Reciprocal of Canada (HIROC)
Toronto, ON
- Contract
Join us and be part of the team working to make a difference.
Added 28 mins ago
FB
Assistant Department Manager - Kingston
Farm Boy Inc.
Kingston, ON
- $21.5 CAD / hour
- Full-time
Lead regular team huddles to share goals, recognize achievements, exchange product knowledge, and provide meaningful feedback to build engagement and connection.
Added 28 mins ago
GC
Interim Director Total Rewards (12-months)
GlassRatner Canada
Toronto, ON
- Contract
This is an opportunity to lead a broad and talented team across Total Rewards, Payroll, Benefits, People Operations, People Analytics, Engagement, and People Systems, while playing a…
Added 28 mins ago
Production Supervisor
Nucor Rebar Fabrication
Dartmouth, NS
…state-of-the-art fabrication equipment, however, it is OUR TEAM that makes the difference; driving our success with their knowledge, experience and know-how to get your job done. At Nucor…
Added 58 mins ago
T
On-Site Event Coordinator
Techo-Bloc
Longueuil, QC · Saint-Hubert, QC
- Contract
As our On-Site Event Coordinator, you lead Techo-Bloc's roadshows, loyalty events and trade shows on the ground across Canada and the U.S. From load-in to load-out, you own the setup, the…
Added 58 mins ago
BI
Director of Internal Control
Boyd Interactive
Toronto, ON · North York, ON
- $100,000 to $130,000 CAD / year
- Full-time
…across all disciplines – IT, Business, Marketing, Finance, Operations, Regulatry - including evaluating and improving the effectiveness of IT, back office, online gaming, AML, regulatory…
Added 58 mins ago
A
Manager, Regulatory
ATCO
Edmonton, AB
- Full-time
Leadership & Collaboration: Lead and develop a team while working across operational, engineering, financial and other business areas on complex regulatory priorities.
Added 1 hour ago
T
Product Operations Manager
TEKsystems
Ottawa, ON
- $60 to $70 CAD / hour
- Contract
…that keeps it credible. Drive adoption across engineering, operations, quality, marketing, sales, services, finance, legal, and…
Added 1 hour ago
A
Senior Manager, Technology Transformation
Amyantek
Toronto, ON
- Contract
…traditional portfolio/program management, Agile delivery, project-to-operations transition, or transformation strategy without direct product operating model implementation experience will…
Added 1 hour ago
MC
Senior Retail Sales Associate
Moores Clothing
St. John's, NL · Greater St. John's Metropolitan Area
- Full-time
Partners with Store management team to lead store staff to achieve sales, service, and operational expectations when temporarily assigned as the manager on duty.
Added 1 hour ago
CR
Food Services Manager
COGIR Real Estate
Windsor, ON
- Full-time
…fostering alignment and successful execution. You'll adeptly lead a team, oversee financials, and prioritize resident satisfaction for a cohesive, high-achieving culinary operation.…
Added 1 hour ago
PH
Director, Clinical Operations – Profile B
Provincial Health Services Authority
Kelowna, BC
- Full-time
The Director, Clinical Operations reports to an Executive Director and works in a co-leadership, partnership with Medical Director(s) with responsibility for clinical program(s)/service(s)…
Added 2 hours ago
U
Seasonal Personal Vehicle Driver - Winnipeg Spin
UPS
Winnipeg, MB
- Temporary
Become part of a dedicated team at a Fortune Global 500 organization. Envision innovative possibilities, experience our rewarding culture, and work with talented teams that help you become…
Added 2 hours ago
U
Seasonal Personal Vehicle Driver - Winnipeg Spin
UPS
Winnipeg, MB
- Temporary
Become part of a dedicated team at a Fortune Global 500 organization. Envision innovative possibilities, experience our rewarding culture, and work with talented teams that help you become…
Added 2 hours ago
TH
Plastic & Reconstructive Surgeon
The Hospital for Sick Children
Toronto, ON
- Full-time
…healthcare centres in the world. As innovators in child health, we lead and partner to improve the health of children through the integration of healthcare, leading-edge research and…
Added 2 hours ago
H
Harveys - Hourly Supervisor
Harvey's
Toronto, ON · Etobicoke, ON
- Full-time
…atmosphere is warm, welcoming and feels like home. We work as a team and help each other succeed. Our Managers are hands-on and our team works together to deliver the Perfect Guest…
Added 2 hours ago
AF
Client Service Representative - Calgary Brentwood Village (Part-Time)
ATB Financial
Calgary, AB
- Part-time
At ATB, we exist to make it possible for our clients, team members and communities. Our purpose is more than aspirational. It's a real commitment we live every day through our values (what…
Added 3 hours ago
J
Bilingual Sales Ops Specialist
Jobgether
Canada
- Full-time
In this role, you will play a key part in supporting sales operations and ensuring the smooth execution of customer projects across a dynamic IT services environment. Working closely with…
Added 3 hours ago
HT
Director, Finance (CSM)
Husky Technologies
Bolton, ON
- Full-time
At Husky TechnologiesTM, our success is based on your success. Our ability to keep our customers in the lead is based on building the strongest team possible.
Added 3 hours ago
CG
Environmental Services Manager , Senior Living
Compass Group Canada
Port Hope, ON
- $62,000 CAD / year
- Full-time
…total rewards program will be shared by the Talent Acquisition team during the hiring process. Canadian work experience is not a requirement for this role.Please note that artificial…
Added 3 hours ago
CG
Assistant Manager, Banquets & Catering
Compass Group Canada
Winnipeg, MB
- Full-time
This position will be responsible for arranging the completion of event details while maintaining profitable operations with quality products and service levels. The Assistant Banquets &…

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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