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Added 5 hours ago
Principal AI Engineer
RBC
Calgary, AB
Full-time
We are looking for a Principle AI Engineer to drive the development of Data engineering solutions on RBC’s Enterprise Data and AI Hybrid Multi-cloud Platforms, that meet the strategic data…
Added 12 hours ago
Cloud Security Architect
Affinity
Vancouver, BC
Contract
The consultant will define and maintain target-state cloud security architecture and roadmap; design secure identity, network, logging, data protection and resilience patterns; develop…
Added 18 hours ago
Senior Customer Engineer, Named - Toronto Canada
Cloudflare
Toronto, ON
The Customer Engineer (CE) is the core driver of our technical go-to-market strategy: a trusted technical advisor and primary architect of the customer journey. You will bridge the gap…
Added 1 day ago
Principal Software Engineer - Zynque
Fulfillment IQ
Toronto, ON
Full-time
Job Title: Principal Software Engineer - Zynque
Added 1 day ago
Principal Software Engineer (IAM)
Black Duck
Calgary, AB
Full-time
Black Duck is seeking a Principal Software Engineer to serve as a technical leader for the company's identity, authentication, authorization, and access management platforms. This role will…
Added 1 day ago
CTO | VC-backed AI | Relocate to Barcelona | €120–150k + equity
Ink
Toronto, ON
Full-time
Underneath that is a substantial systems problem: continuously ingesting enterprise data, reconciling it into a context graph, preserving history and provenance, and giving AI reliable…
Added 1 day ago
Senior Software Engineer, Full-Stack Applications - Ratings Technology (Toronto)
Fitch Group
Toronto, ON
Architect and lead full-stack applications – Design and drive implementation of scalable application features using Java/Springboot, Python, and REACT; own architectural decisions for user…
Added 2 days ago
Senior Product Manager, PolicyCenter
Guidewire Software
Canada
Full-time
Prior experience as an engineer, solutions architect, business analyst, or implementation consultant on core insurance systems.
Added 5 days ago
Principal Engineer, Electrical
Glencore Canada
Sparwood, BC
$153,000 to $189,000 CAD / year
Full-time
Reporting to the Director, Maintenance, the Principal Engineer, Electrical will be central authority responsible for electrical governance, standards and compliance across all EVR assets.…
Added 12 days ago
Senior Machine Learning Engineer –AI & Agentic Systems
Project X
Toronto, ON
Full-time
…marketing decisions and workflows. The successful candidate will design and build production integrations between AI agents, enterprise APIs, agent orchestration frameworks and managed AI…
Added 1 month ago
Principal Software Engineer - Zynque
Fulfillment IQ
Toronto, ON
Full-time
Job Title: Principal Software Engineer - Zynque
Added 12 days ago
Staff Machine Learning Engineer – AI & Agentic Systems
Project X Ltd.
Toronto, ON
Full-time
…marketing decisions and workflows. The successful candidate will design and build production integrations between AI agents, enterprise APIs, agent orchestration frameworks and managed AI…
Added 12 days ago
Staff Machine Learning Engineer – AI & Agentic Systems
Project X
Toronto, ON
Full-time
…marketing decisions and workflows. The successful candidate will design and build production integrations between AI agents, enterprise APIs, agent orchestration frameworks and managed AI…
Added 23 days ago
Senior AI Software Engineer, Full-Stack Applications - AI Innovation Teams
Fitch Group
Toronto, ON
Fitch Ratings is seeking a Senior Software Engineer to join our new AI Innovation teams in Toronto - where we're building the AI-powered platforms and applications that will transform…
Added 18 days ago
Senior Full Stack Engineer (React/Node/Nest)
Resonaite
Markham, ON
Contract
Our client is seeking a Principal Full Stack Engineer on a contract basis to provide technical leadership and hands-on engineering across the design and delivery of scalable APIs, modern…
Added 1 month ago
Sr Research Engineer
Hubbell Incorporated
Edmonton, AB
The Sr. Research Engineer will contribute to the research, development, implementation, and demonstration of advanced technologies and algorithms related to power systems, analytics,…
Added 23 days ago
Principal AI Engineer
PointClickCare
Mississauga, ON
$191,700 to $213,000 CAD / year
Full-time
PointClickCare is searching for a Principal AI Engineer who will lead and design AI systems across multiple SaaS solutions following our AI Design Patterns, defining technical standards and…
Added 23 days ago
Senior Security Consultant – Managed Services
CDW
Mississauga, ON
Full-time
…CrowdStrike Falcon: CCCS, CCFH, CCFA, CCIS; Exabeam: Advanced or Principal Implementation Engineer; Microsoft SC-200,…
Added 23 days ago
Principal Engineer, Data Path / Metadata / Performance (StorageGRID)
NetApp, Inc.
Vancouver, BC
…exponential growth of AI data lakes, analytics, and exabyte-scale enterprise data. As a Principal Engineer for Datapath / Performance, you will own the architecture and technical direction…
Added 25 days ago
Principal Engineer, AI Production Readiness
Workday
Toronto, ON · Greater Toronto Area, Canada
Full-time
We are seeking a Principal AI Engineer to own the technical path that carries internally built AI agents from prototype to enterprise-grade production on Workday’s Databricks and AWS…
Added 27 days ago
Principal Engineer, Electrical
Glencore
Sparwood, BC
$153,000 to $189,000 CAD / year
Full-time
Reporting to the Director, Maintenance, the Principal Engineer, Electrical will be central authority responsible for electrical governance, standards and compliance across all EVR assets.…
Added 28 days ago
Principal Engineer, Electrical
Elk Valley Resources
Sparwood, BC
Full-time
Reporting to the Director, Maintenance, the Principal Engineer, Electrical will be central authority responsible for electrical governance, standards and compliance across all EVR assets.…
Added 24 days ago
Principal AI Engineer
PointClickCare
Mississauga, ON
Full-time
PointClickCare is searching for a Principal AI Engineer who will lead and design AI systems across multiple SaaS solutions following our AI Design Patterns, defining technical standards and…
Added 26 days ago
Principal Engineer, AI Production Readiness
Workday
Toronto, ON · Canada, ON, Toronto
Full-time
We are seeking a Principal AI Engineer to own the technical path that carries internally built AI agents from prototype to enterprise-grade production on Workday’s Databricks and AWS…
Added 26 days ago
Technical Architect, Google
TMX Group
Toronto, ON
Full-time
We are seeking a highly skilled and strategic Solution Architect, Google Workspace & Gemini AI to lead the design, security, and operational enablement of our enterprise Google ecosystem.…

Project X Ltd.

Staff Machine Learning Engineer – AI & Agentic Systems

Toronto, ON, Canada

Pay: Location: Toronto, Ontario Employment Type: Full Time Location: (Hybrid working model) Salary Range: $120,000-$160,000K CAD About Project X Ltd.
Job type: Full-time
Apply by: Mar 13, 2027
Experience: 8+ years of professional software, ML or AI engineering experience
Posting language: English
Posted: Sep 14, 2026

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Original job description

Company: Project X Ltd.
Location: Toronto, Ontario
Employment Type: Full Time
Location: (Hybrid working model)
Salary Range: $120,000-$160,000K CAD
About Project X Ltd. Project X Ltd. builds high-performing teams of talented, client-focused problem solvers who thrive on complex data challenges. Guided by our values of Care, Bravery, Excellence, and Innovation, we value people who take ownership of their work, step up when needed, and get things done.
Our team members are trusted advisors who collaborate closely, think creatively, and deliver practical, high-quality solutions for our clients. We look for individuals who are curious, accountable, eager to learn, and supportive of their teammates - because at Project X, our people are what make us great.
Role SummaryProject X Ltd. is seeking a Staff-level, hands-on software and ML engineering professional for an embedded, client-facing engagement supporting a team that automates marketing decisions and workflows. The successful candidate will design and build production integrations between AI agents, enterprise APIs, agent orchestration frameworks and managed AI services, enabling agent-driven workflows to safely create, launch, measure and manage business activity. This role requires deep, current fluency in LLMs, agent orchestration and the Model Context Protocol (MCP), and sits between Senior and Principal level. There are no direct reports for this position.

Key Responsibilities

Design and implement production integrations between AI agents, enterprise APIs and operational systems
Build production-grade services that let agents invoke tools and execute business actions reliably
Connect client owned automation APIs to an agent orchestration layer and third-party managed agents
Integrate LLM-based agents with internal and external services using APIs, MCP and related agent-tool patterns
Contribute to agent-to-agent and agent-to-tool communication patterns
Build for reliability: validation, error handling, retries, fallbacks, logging, observability and secure access
Participate in architecture and system-design decisions while remaining directly responsible for implementation

What We’re Looking For – Required Qualifications

8+ years of professional software, ML or AI engineering experience
Production experience building LLM-based applications and agentic systems, including agent orchestration and tool/function calling
Practical experience with the Model Context Protocol (MCP), including exposing or consuming tools/resources
Advanced Python development with strong production software-engineering practices (testing, CI/CD, Git)
API development and integration (REST, service-oriented architectures), plus distributed systems and event-driven patterns
Experience deploying and operationalizing machine learning models in production
Ability to design guardrails, validation and failure-handling patterns for non-deterministic AI workflows
Strong communication skills for an embedded, client-facing engineering environment

Nice to Have

Experience with LangChain, LangGraph or comparable agent frameworks (e.g., LangChain Deep Agents)
Experience with multi-agent or agent-to-agent architectures and awareness of their common failure modes
FastAPI, Docker, Kubernetes and a major cloud platform (AWS, GCP or Azure)
Vector databases/retrieval systems and ML lifecycle tooling (MLflow, Weights & Biases or comparable)
Slack APIs or other enterprise messaging integrations

Use of Artificial Intelligence in Recruitment:
Project X may use automated or AI-enabled tools as part of the recruitment and selection process. These tools may support activities such as resume screening, candidate matching, or application management. All hiring decisions involve human review and judgment.Employment Equity, Accessibility & Accommodations:
Project X is committed to fostering an inclusive, accessible workplace. Accommodations are available upon request in accordance with the Accessibility for Ontarians with Disabilities Act (AODA) and the Ontario Human Rights Code.Privacy Notice:
Personal information collected during the recruitment process will be used solely for recruitment purposes and handled in accordance with applicable privacy legislation.How to Apply:
Please apply with your resume and cover letter.

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More about this job

Responsibilities

Design and implement production integrations between AI agents, enterprise APIs, and operational systems to automate marketing workflows. Build reliable, production-grade services focusing on agent-to-tool communication, observability, and secure access.

Requirements

Requires 8+ years of software or ML engineering experience with a proven track record of building production LLM-based agentic systems. Proficiency in Python, MCP, and API integration is essential, along with the ability to design guardrails for non-deterministic workflows.

Skills

Machine Learning Engineering
LLMs
Agent Orchestration
Model Context Protocol (MCP)
Python
API Development
Distributed Systems
Event-Driven Patterns
CI/CD
Git
LangChain
LangGraph
FastAPI
Docker
Kubernetes
Vector Databases

Visa sponsorship

Not detected in the job text

Keywords

Machine Learning
AI Agents
LLM
Model Context Protocol
MCP
Python
REST API
Distributed Systems
Event-Driven Architecture
LangChain
LangGraph
FastAPI
Docker
Kubernetes
AWS
GCP
Azure
Vector Databases
MLflow
Weights & Biases
Slack API
CI/CD
Git
Agentic Systems
Tool Calling
Function Calling
Observability
Guardrails
Software Engineering

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