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Added 10 mins ago
CC
Data Engineer
Canadian Cancer Society
St. John's, NL
- Full-time
Reporting to the Senior Manager, Data Engineering & Services, the Data Engineer is involved in designing, developing, maintaining and optimizing data platform services, meta-data driven…
Added 25 mins ago
M
Senior Structural Project Engineer
McMillen
Vancouver, BC
- $129,000 to $187,000 CAD / year
- Full-time
McMillen, Inc. is seeking a highly skilled Senior Structural Project Engineer with 8-12 years of experience focused on water resource-related work. The candidate will work in a variety of…
Added 54 mins ago
W
Senior Technical Consultant, Environmental Scientist
Worley
AB · Edmonton, AB
- Full-time
Senior Environmental Scientist or Engineer – Contaminated Sites
Added 55 mins ago
J
Senior Conveyance Project Manager
Jacobs
Burnaby, BC
- $150,000 to $200,000 CAD / year
- Full-time
As a Senior Conveyance Project Manager based out of Burnaby, British Columbia, you’ll be charged with leading a team of highly qualified and motivated engineers through the design process,…
Added 55 mins ago
TO
Infrastructure Planning Engineer
Town of Oakville
Oakville, ON
- Full-time
Make recommendations to departments and senior management regarding project priorities, considering factors such as need, risk, cost, deliverability, resources, and alignment with corporate…
Added 55 mins ago
BG
TEMPORARY BUILDING OPERATOR
BC General Employees' Union (BCGEU)
Burnaby, BC
- Full-time
This hands-on position reports to the Director of Facilities and works closely with other Facilities staff, the CMMS Management Planner, and the Facilities Systems & Asset Analyst to ensure…
Added 55 mins ago
AE
Bridge Inspector
Associated Engineering
AB · Edmonton, AB
- Full-time
This opportunity will involve growing and mentoring staff, working with senior staff to grow the transportation structures practice.
Added 1 hour ago
A
Director, Stations
AECOM
Mississauga, ON
- Full-time
Participate in senior management meetings, presentations, and committees; delegate division representation to other committees as needed.
Added 1 hour ago
BC
Principal Engineer – Underground Mining
BBA Consultants
St. John's, NL · Greater St. John's Metropolitan Area
- Full-time
As our mining and metals activities continue to grow, we’re seeking a senior mining engineer to join our outstanding Mining and Geology team. You’ll have the opportunity to work on a wide…
Added 1 hour ago
B
Senior Process Safety (Chemical) Engineer/Consultant
BakerRisk
Burlington, ON
- Full-time
BakerRisk® Canada is currently seeking a full-time senior level engineer to assist with safety and environmental compliance, risk engineering, RMP and PSM programs.
Added 1 hour ago
S
Structural Engineer- Water
Stantec
Edmonton, AB
- Full-time
Join our Water group as an Intermediate Structural Engineer and help design the water and wastewater infrastructure that communities depend on. Based in one of our Alberta offices, you will…
Added 1 hour ago
K
FULLSTACK ENGINEER
Kablamo
Toronto, ON
- Full-time
We are looking for a FullStack Engineer as we expand our impact with new customers. This posting supports the position to start between November 2026 and February 2027.
Added 2 hours ago
A
Intermediate Environmental Field Technician
Arcadis
Halifax, NS
- Full-time
Supporting practice area planning and goal setting, collaborating with senior staff across Canada and the US to provide integrated services for clients and engage in local, national, and…
Added 2 hours ago
O
Staff Verification Engineer
OpTalent
Toronto, ON
- Full-time
…across North America. We’re looking for a Hardware Verification Engineer early in their career to help test and deliver its next generation of…
Added 3 hours ago
T
System Engineer II - FTT
TransLink
Vancouver, BC · Greater Vancouver, BC
- $100,080 to $150,120 CAD / year
- Temporary
Provides senior level of engineering expertise to integrated system-related projects that support transportation service delivery in an integrated, multi-modal environment.
Added 4 hours ago
C(
Senior Project Manager (Design & Construction)
CORIX (CA) DE SERVICES LIMITED PARTNERSHIP
Vancouver, BC
- $124,617 to $148,581 CAD / year
- Other
Corix is looking for a Senior Project Manager to lead our largest and most complex district energy and utility infrastructure projects from development through design, construction,…
Added 4 hours ago
B
Civil Engineer – Senior Level (Hybrid)
Barr
Saskatoon, SK
- $115,000 to $170,000 CAD / year
- Full-time
Barr is seeking a senior civil engineer with experience in civil design and construction to join our Saskatoon office. This person will undertake challenging and progressive work, including…
Added 5 hours ago
A
Head of Platform & Infrastructure Engineering
Ashby
Remote, Canada
- $475,000 to $550,000 CAD / year
- Full-time
- Remote
We’ve already assembled a fantastic Platform & Infrastructure team of 11 engineers (all Senior+, >70% Staff), and they’ve done an excellent job handling our growth, but the management and…
Added 5 hours ago
A
Director, Light Rail Transit (LRT)
AECOM
Mississauga, ON
- Full-time
Identify opportunities for innovation and change, and provide senior-level sponsorship for initiatives that support organizational plans and operational mandates.
Added 5 hours ago
E
Senior Electrical Engineer
EXP
North Bay, ON
- Full-time
EXP is currently looking for a Senior Electrical Engineer to join our North Bay or Sudbury, ON office. You will be part of a multidisciplinary team responsible for the design and delivery…
Added 5 hours ago
K
Project Manager - Water / Waste Water
Kiewit
Burnaby, BC
- Full-time
Manage the client relationship, including regular communication with owner and engineer representatives, progress meetings, reporting and issue resolution.
Added 5 hours ago
K
Project Manager - Water / Waste Water
Kiewit
Calgary, AB
- Full-time
Manage the client relationship, including regular communication with owner and engineer representatives, progress meetings, reporting and issue resolution.
Added 6 hours ago
ZI
Senior Civil Engineer
ZenaTech Inc.
Dartmouth, NS
- $120,000 to $150,000 CAD / year
- Full-time
Cogswell Engineering is seeking an accomplished Senior Civil Engineer to lead our Civil Division. This is a senior leadership role for a licensed Professional Engineer with a proven record…
Added 6 hours ago
BH
Distribution Engineer (Burnaby or Victoria)
BC Hydro
BC · British Columbia, Canada
- Full-time
Annual Salary: Senior Engineer: 109,680 - 138,720
Added 6 hours ago
E
Intermediate Geotechnical Engineer
EXP
Burnaby, BC
- Full-time
Working closely with senior engineers/project managers and design support staff for projects mainly in and around, but not limited to Greater Vancouver and Fraser Valley areas, 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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