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Added 19 mins ago
JI
Security & Compliance Analyst | Analyste en sécurité et conformité
Jesta I.S.
Montreal, QC
- Full-time
…network appliances; Microsoft Azure (VMs, containers, PaaS); AWS (EC2, Lambda, and other managed services); Oracle Cloud Infrastructure (OCI) compute instances aligned with OCI security…
Added 34 mins ago
Campus I&D: Associate Application Consultant
Capgemini
Mississauga, ON
Utilize cloud platforms (Azure, AWS, GCP) and big data tools (Databricks, Pyspark) to build AI solutions.
Added 34 mins ago
S
Account Manager, Enterprise Sales
SOTI
Mississauga, ON
- Full-time
Serve as the senior, account executive responsible for leading and obtaining large, complex North American accounts with the involvement and collaboration of our top tier partners.
Added 34 mins ago
VI
Staff Information Security Engineer - Threat Detection & Response
Visier Inc.
Vancouver, BC
- Full-time
This senior technical IC role owns Visier’s threat detection and response capabilities end-to-end - driving the overarching strategy, tooling engineering, detection content, and incident…
Added 49 mins ago
FI
QA Specialist (SQL, ETL)
Flexstaf I.T. Inc.
Toronto, ON · Greater Toronto Area, Canada
- Contract
Position: Systems Testing/QA Specialist - Senior (SQL, ETL, Data Warehouse, Data Migration)
Added 49 mins ago
KG
Data Governance Lead
K&K Global Talent Solutions INC.
Toronto, ON
- Full-time
Strong knowledge of data architecture, data modeling, ETL/ELT, APIs, batch/streaming pipelines, SQL and cloud data platforms such as Azure, AWS, Databricks or Snowflake.
Added 49 mins ago
NS
Senior Data Architect
Nimble Science
Calgary, AB
- Full-time
We are seeking a driven and detail-oriented Senior Data Architect to support our Data Science and Manufacturing- and Clinical Operations Analytics and play a critical role in driving our…
Added 1 hour ago
AP
Senior Backend Developer
Accommodations Plus International
Markham, ON
- $125,000 to $135,000 CAD / year
We’re hiring a Senior Backend Developer to build and maintain the services, APIs, and integrations behind our enterprise-grade applications. This is a hands-on development role: you’ll…
Added 1 hour ago
AP
Senior Full Stack Developer
Accommodations Plus International
Markham, ON
- $125,000 to $135,000 CAD / year
We’re hiring a Senior Full Stack Developer to build and maintain enterprise-grade applications across our Java and modern frontend stack. This is a hands-on development role: you’ll write…
Added 1 hour ago
Principal Data Engineer
Scotiabank
Toronto, ON
Leads the design and implementation of the Tangerine data engineering strategy and platform, advising senior leadership and executing on the vision with senior architects and the…
Added 1 hour ago
FG
Software Engineer, Full-Stack Applications (Associate Director)- AI Fluent
Fitch Group
Toronto, ON
- $180,000 to $220,000 CAD / year
…AI, automation, and modern engineering practices can improve developer productivity, analyst experience, decision support, and operational excellence. This is a critical leadership role for…
Added 1 hour ago
P
Fullstack .NET Engineer | igaming | Base + Benefits
Pentasia
Toronto, ON
- Full-time
My client is seeking a highly skilled Senior Full Stack .NET Developer to join a fast-paced technology team responsible for developing and enhancing mission-critical platforms. This role…
Added 1 hour ago
SS
Senior Java Software Engineer
Soho Square Solutions
Toronto, ON
- Contract
Hands-on Senior Full Stack Developer responsible for contributing to the design, development, testing, and maintenance of scalable backend services and REST APIs using Java and Spring Boot;
Added 1 hour ago
UC
Senior AI Developer
UniSysTech Consulting
Toronto, ON · Greater Toronto Area, Canada
- $80 to $85 CAD / hour
- Contract
We are looking for a talented Senior AI Developer to join our team and support a major Canadian banking client in building innovative, AI-driven products and solutions.
Added 1 hour ago
CO
Senior Manager, Software Engineering
Capital One
Toronto, ON
- Full-time
161 Bay Street (93021), Canada, Toronto,Toronto, Ontario,Senior Manager, Software Engineering
Added 1 hour ago
UH
Software Developer
University Health Network
Toronto, ON
- Full-time
Cloud platform experience - GCP or Azure; AWS is a plus
Added 1 hour ago
II
Lead Business Analyst
ITC Infotech
Vancouver, BC
- $110,000 to $125,000 CAD / year
- Full-time
Collaborate with Product Manager/Owner and Senior Developers/Leads to document requirements for specific initiatives or EPICs.
Added 2 hours ago
AI
Quality Engineer (QE) / SDET – AI Chatbot Validation
Apptoza Inc.
Toronto, ON
- Contract
We are looking for a seasoned AI first Senior Quality Engineer who is empowered to help the DevOps enablement team deliver highest level quality and is responsible for ensuring the team…
Added 2 hours ago
M
Billing center Cloud Migration Developer
Maarut
ON · Toronto /Montreal, Ontario
- Contract
a mid-level rather than senior-architect profile, consistent with a scoped
Added 2 hours ago
Staff AI Developer - Vancouver
Robots and Pencils
Vancouver, BC
Support deployment, monitoring, and production troubleshooting in cloud-native environments (AWS, Docker), with guidance from senior engineers where needed
Added 2 hours ago
AC
Development Lead (Back-end Systems)
Air Canada
Toronto, ON
- Full-time
The Development Lead is a senior, hands-on technical leader who drives technical direction, sprint execution, and delivery outcomes within an Agile delivery pod. This role owns technical…
Added 2 hours ago
O
Solution Consultant Director, Partner channel
Omilia
Canada
- Full-time
…technical excellence and team performance. The role combines senior people leadership with deep domain expertise in conversational AI, CCaaS, and enterprise sales - ensuring that the…
Added 3 hours ago
M
RQ11623 - Systems Testing/QA Specialist - Senior
Maarut
Toronto, ON
- Contract
Added 3 hours ago
Staff Engineer / AI Builder - Toronto
Robots and Pencils
Toronto, ON
Support deployment, monitoring, and production troubleshooting in cloud-native environments (AWS, Docker), with guidance from senior engineers where needed
Added 3 hours ago
CC
RQ11753 - Data Analytical Specialist/Scientist - Senior
CCI- Computer Consultants International, Inc.
Toronto, ON
- Full-time
+5 years experience with cloud environments (Azure, AWS)

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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