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Added 2 mins ago
C
IT Quality Engineer - AVP
Citi
Mississauga, ON
- Full-time
…processors, accounting, and regulatory reporting platforms. The Senior QA Analyst will drive end-to-end testing strategies, BDD automation, UAT certification, and production readiness…
Added 2 mins ago
ES
Senior Business Analyst
eHealth Saskatchewan
SK · Saskatchewan
- $45.73 to $55.64 CAD / hour
- Full-time
…needs and technology solutions across the organization. As a Senior Business Analyst, you will lead the analysis and design of solutions, guiding initiatives from concept through…
Added 2 mins ago
TM
VP, Surety Solutions
Tokio Marine Canada Ltd.
Toronto, ON
- Full-time
Partner closely with the Senior Vice President and the Surety Leadership Group to develop and execute the strategic direction for Ontario and Atlantic Canada, aligned with national surety…
Added 2 mins ago
WC
Business Development Representative (2026-402-CP)
WoodGreen Community Services
Toronto, ON
- Contract
Using data-driven outreach strategies, market intelligence, and AI-enabled prospecting tools, the BDR converts employer interest into Sales Qualified Leads (SQLs) and hiring activity.…
Added 2 mins ago
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Founding GTM Lead
Ultrassure
Toronto, ON
- Full-time
…reinsurers, MGAs and brokers turn complex, unstructured insurance data into structured information, automated workflows and better…
Added 2 mins ago
AC
Senior Mechanical Estimator
Accenture Construct
Toronto, ON
- Full-time
At Accenture Construct, that's the job. You'll help deliver the data centers, power grids, rail networks, factories and public infrastructure that keep communities moving - smarter, safer…
Added 2 mins ago
SC
Développeur Python IA (Senior)
SII Canada
Montreal, QC
- Full-time
Tu évolueras dans un environnement Agile et collaboreras étroitement avec des Data Scientists, Solution Architects ainsi qu’avec différentes équipes métier et TI. Tu joueras un rôle clé…
Added 3 mins ago
S
Databricks Partner Solutions Leader
Slalom
Calgary, AB
- Full-time
…client problems, and design solutions that connect Databricks’ Data Intelligence Platform with Slalom’s broader consulting, engineering, industry, and delivery capabilities. This role is…
Added 17 mins ago
M
Manager Engineering
Manulife
Waterloo, ON
- Full-time
Provide program-level updates and insights to senior technology and business leaders, including progress, risks, issues, and dependencies.
Added 17 mins ago
PS
Analyst/Senior Analyst, Governance & Sustainability, Global Alpha
Public Sector Pension Investment Board
Montreal, QC
- Full-time
…standards, to automate workflows, interrogate reports, analyze data, and synthesize research in hours rather than days. What matters most is judgment: knowing where these tools help, where…
Added 32 mins ago
SAP SD Consultant Sr.
Syntax
Thornhill, ON
Syntax is seeking a highly experienced SAP SD Consultant – Senior to lead the design, implementation, optimization, and support of SAP Sales and Distribution solutions. In this role, you…
Added 32 mins ago
Senior Manager, Strategic Sourcing
Scotiabank
Toronto, ON
…with a primary focus on Travel and Employee Transportation. As Senior Manager, Corporate Services Sourcing, you will bring market insight, commercial discipline, supplier expertise, and…
Added 32 mins ago
Director, Performance & Innovation
The Canada Life Assurance Company
Winnipeg, MB · London, ON · Toronto, ON
Lead recurring portfolio performance reviews and translate results into concise, decision-ready insights for senior leaders and key partners.
Added 32 mins ago
Staff Software Engineer, Messaging Experience
Braze
Toronto, ON
…sophisticated real-time and batch processing of massive amounts of data, providing analytics, automated decision-making, and an industry-leading customer engagement tool. With Canvas, our…
Added 32 mins ago
P
Financial Reporting & Tax Compliance, Senior Associate
PwC
Calgary, AB · Winnipeg, MB
- Full-time
As a Senior Associate, you’ll work in our Tax Line of service as part of a team of problem solvers, helping to solve complex business issues from strategy to execution. Responsibilities…
Added 32 mins ago
PM
Senior Account Director
PUSH Media
Toronto, ON
- $130,000 to $150,000 CAD / year
- Full-time
We're looking for a Senior Client leader to own a portfolio of agency accounts and grow them. You'll be the person clients trust to connect strategy, creative, media, and operations into…
Added 32 mins ago
AL
Chief of Staff
Altis Labs
Toronto, ON
- $160,000 to $210,000 CAD / year
- Full-time
…comprising longitudinal imaging, molecular, clinical, and outcomes data spanning over 500,000 patient years. Top 20 biopharma companies use IPRO to more confidently analyze data from phase…
Added 32 mins ago
B
Staff Software Engineer, Messaging Experience
Braze
Toronto, ON
- Full-time
…sophisticated real-time and batch processing of massive amounts of data, providing analytics, automated decision-making, and an industry-leading customer engagement tool. With Canvas, our…
Added 47 mins ago
ML
Director, Investor Relations
Maple Leaf Foods Inc.
Mississauga, ON
- Full-time
…serve as a critical link between Maple Leaf Foods’ operations, senior leadership and the investment…
Added 47 mins ago
PC
Finance Managed Services Senior Associate
Pwc Canada
Calgary, AB · Vancouver, BC · Toronto, ON
- Full-time
As a Finance Managed Services Senior Associate, unlock your potential and embrace the chance to drive meaningful outcomes that’ll elevate your career. Your role will include, but isn’t…
Added 48 mins ago
DF
Senior Operational Risk Analyst , Business Continuity & Operational Resilience
DUCA Financial Services Credit Union Ltd.
Toronto, ON · North York, ON
- Full-time
DUCA is looking for a Senior Operational Risk Analyst , Business Continuity & Operational Resilience to join our growing team!
Added 48 mins ago
DI
Financial Controller
Drake International
St. Thomas, ON
- Full-time
The Controller is a senior finance leader responsible for overseeing complex accounting across multiple entities while partnering closely with leadership to strengthen processes, reporting,…
Added 48 mins ago
IE
Manager, Supply Chain & Innovation
IMAX Enhanced | Streaming & Consumer Technology
Mississauga, ON
- Full-time
The Manager, Supply Chain Analytics & Innovation reports to the Senior Director, Supply Chain Operations and partners with Supply Chain leaders to identify, design and implement…
Added 1 hour ago
Staff Technical Program Manager - AI/ML
PlayStation Global
Waterloo, ON
Partner with applied scientists, Data Engineering, and ML Engineering to translate model performance targets (accuracy, latency, cost-per-inference) into a program plan with clear…
Added 1 hour ago
CT
MARKETING - Digital Marketing & Communications Specialist
Connex Telecommunications Inc.
Hamilton, ON
- $55,000 to $65,000 CAD / year
Use performance data to recommend content and marketing improvements.

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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