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Added 13 mins ago
Machine Learning Engineer Intern
Jobright.ai
Canada
Internship
…helps users reach better job outcomes. The Machine Learning Engineer Intern will develop and evaluate machine-learning features, support data pipelines and integrations, investigate model…
Added 13 mins ago
Avionics System Engineer
Talentmatics
Quebec, QC
Full-time
We are looking for an experienced Senior Avionics Systems Engineer to support the design, integration, testing, certification, and in-service support of advanced avionics systems for…
Added 13 mins ago
Tableau Administrator
Collabera
Toronto, ON
$80 to $90 USD / hour
Contract
The BI Platform Operations Engineer will provide production support across Tableau, AWS QuickSight, and the organization's custom BI-as-a-Service platform. They will administer and…
Added 13 mins ago
Embedded Software & Firmware Engineer
ITS Electronics
Vaughan, ON
Full-time
We are seeking a skilled Embedded Software & Firmware Engineer to join our engineering team. The successful candidate will be responsible for the design, development, maintenance, and…
Added 13 mins ago
Senior Software Engineer: Mobile & Full Stack
Ethereal Music Group
Vancouver, BC · Greater Vancouver Metropolitan Area
$125,000 to $160,000 CAD / year
Full-time
We’re looking for a Senior Software Engineer - Mobile & Full Stack who can take a problem from an initial requirement through technical design, implementation, release, and production…
Added 13 mins ago
Computer Vision Engineer
HomeTeam Network
Canada
Full-time
…recognition in live sports video. You'll own how it behaves in production, not just how it scores offline. The footage is real-world: variable arena lighting, glare, netting and glass,…
Added 13 mins ago
Data Science Lead
Alberta Innovates
AB · Edmonton, AB
Full-time
Apply MLOps/LLMOps practices for their own solutions and partner with platform and engineering teams for production hardening, CI/CD, and monitoring.
Added 14 mins ago
Software Development Engineer II, Prime Tech - RAPIDX
Amazon
Vancouver, BC
As an engineer on the team, you will design, build, and operate backend services that deliver personalized onboarding experiences at high scale and low latency. You will own your services…
Added 26 mins ago
Senior Software Developer
Plusgrade
Montreal, QC
Full-time
…fulfillment products. Your time will be split evenly between shipping production-ready, revenue-generating features and experimenting inside our AI Labs group on new concepts. As part of…
Added 26 mins ago
Software Developer
Plusgrade
Montreal, QC
Full-time
…collaboration with product, design, and QA partners. We re-engineer our delivery workflows around AI assistance so code production, testing, and delivery happen faster without sacrificing…
Added 26 mins ago
Senior Product Design Engineer
Lifebreath
London, ON
Full-time
The Senior Product Design Engineer is responsible for the design, development, validation, and continuous improvement of HVAC products, with a focus on Dedicated Outdoor Air Systems (DOAS),…
Added 26 mins ago
Sr Software Engineer
Zapnix LLC
Montreal, QC
Contract
✅ Participate in system design, code reviews, testing, deployment, and production support
Added 27 mins ago
Machine Learning Engineer
Sobeys
Toronto, ON
Full-time
We are seeking a highly capable Machine Learning Engineer with deep expertise in building Lang graph based agentic systems, Object-Oriented Python, and ML Ops. In this role, you will…
Added 57 mins ago
Sr. Java Full-Stack Engineer
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Provide L3 support for Java, JavaScript, and Tomcat-based applications.
Added 57 mins ago
Senior Data Engineer - Toronto
Trisura
Toronto, ON
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…analysts, governance, and business stakeholders, the Senior Data Engineer will translate business requirements into reusable data products and production-grade solutions across Microsoft…
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Ventilation Specialist
Hemlo Mining Corp.
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Develop and maintain ventilation models to support mine planning, production, and capital projects.
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Software Engineer-Global Payments Engineering
Scotiabank
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The Software Engineer, Global Payment Technology, contributes to the overall success of the Global Payment Technology globally by designing, developing, and implementing applications using…
Added 57 mins ago
Software Engineer II - Agentic Workflows
Electronic Arts (EA)
Vancouver, BC
Full-time
As a Software Engineer II, you will help build the agentic harness that turns intent into working games and the loop that lets an agent write, run, evaluate, and repair its own work.
Added 57 mins ago
Senior Software Engineer - Agentic Workflows
Electronic Arts (EA)
Vancouver, BC
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As a Senior Software Engineer, you will help build the agentic harness that turns intent into working games and the loop that lets an agent write, run, evaluate, and repair its own work.
Added 57 mins ago
Senior Software Engineer - Gameplay & Experience
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As a Senior Software Engineer, you will collaborate with product leaders, gameplay designers, engineers, and researchers to bring ideas to life. You will develop and architect new gameplay…
Added 57 mins ago
Senior Consultant Transmission Planning (Calgary)
Burns & McDonnell
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OxyChem DCS Control Systems Engineer
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We are looking for an experienced and self-motivated individual to fill the DCS/Process Engineer position at our Chemical Manufacturing plant located in Thorold, Ontario. Essential Job…
Added 57 mins ago
Application Engineer
Flexkube Lab Inc.
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We are seeking an experienced Application Engineer to design, develop, and support integration services, APIs, and automation capabilities that enable AI-powered business solutions. The…
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Data Engineer
Zurich Canada
Toronto, ON
Full-time
Zurich Canada is looking for a Data Engineer to build, operate and support data pipelines and analytics-ready datasets that power reporting, advanced analytics and AI-enabled solutions…
Added 57 mins ago
Senior Data Platform Engineer - Toronto
Trisura
Toronto, ON
Full-time
We are currently seeking a driven and collaborative Senior Data Platform Engineer to join our forward-thinking Data and Analytics team.

Robots & Pencils

Staff AI Builder

Canada

Pay: Our salary range is $176,612 - $243,680 CAD
Job type: Full-time
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: Sep 24, 2026

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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

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

Our salary range is $176,612 - $243,680 CAD

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More about this job

Responsibilities

Lead the architecture, development, integration, and optimization of production AI systems, including agentic workflows, RAG pipelines, evaluation, and observability. Own features and releases end-to-end, establish engineering standards, mentor teammates, and collaborate across product, design, and delivery teams.

Requirements

Requires 6+ years of software engineering experience, including production GenAI/LLM systems, with hands-on expertise in agentic AI, RAG, prompt engineering, and LLM evaluation and observability. Candidates should be strong in Python, Node.js, and AWS services, and understand reliability patterns, containerization, and cloud-native deployment.

Skills

Agentic AI
Generative AI
Large Language Models
Python
Node.js
AWS Bedrock
Amazon Bedrock Agent Core
Retrieval-Augmented Generation
Prompt Engineering
LLM Evaluation
LLM Observability
OpenSearch
DynamoDB
AWS Lambda
Multi-Agent Orchestration
Docker

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
LLM Evaluation
RAGAS
LLM-as-Judge
LangFuse
LangSmith
Python
Node.js
AWS Lambda
API Gateway
DynamoDB
Step Functions
SQS
EventBridge
Docker
Circuit Breakers

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