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Added 20 mins ago
Sr. Back-End Java Developer, TD Securities
TD
Toronto, ON
Full-time
Atomic is looking for a Senior Back-End Developer to join the team building Atomic FX. Although the role carries a senior title, it is primarily a hands-on individual-contributor position…
Added 20 mins ago
Java Technology Lead Analyst - Vice President
Citi
Mississauga, ON
Full-time
The Java Developer Lead Analyst is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology…
Added 29 mins ago
Technical Solutions Architect
VStream Labs Inc.
AB · Edmonton, AB
Contract
VStream Labs Inc. is seeking a Senior Digital Architect for a two-year enterprise digital-transformation project.
Added 51 mins ago
Software Engineering Manager - VP level
Groom & Associés / Associates
Montreal, QC · Greater Montreal Metropolitan Area
$190,000 to $200,000 CAD / year
Full-time
…platform is designed, built and delivered, and you will be the senior technical authority for the engineering group day to…
Added 1 hour ago
ServiceNow developer
ThoughtStorm
Toronto, ON
Contract
5+ years of hands-on ServiceNow development experience using JavaScript, HTML, CSS, AngularJS, REST/SOAP APIs, Integration Hub, and Flow Designer.
Added 1 hour ago
Salesforce Solutions Architect
Intelli-CloudWare Inc
Toronto, ON · Scarborough, ON
Full-time
As a Salesforce Solutions Architect, you will be responsible for designing and implementing Salesforce solutions that align with Intellicloudware's business objectives. This senior-level…
Added 1 hour ago
Senior Solutions Manager
Vena Solutions
Toronto, ON
Full-time
Vena Solutions is seeking a Senior Solutions Manager to help us expand our sophisticated SaaS cloud technology.
Added 3 hours ago
Senior Data Solutions Architect (Hybrid)
Mara Consulting
Halifax, NS
Full-time
Senior Data Solutions Architect (Hybrid) We offer remote work opportunities which may require some onsite work based on fulfilling individual client based requirements.
Added 3 hours ago
Application Architect
Teacup Tech Systems
Fredericton, NB
Contract
A minimum of fifteen (15) years as a Senior Programmer/Analyst.
Added 13 hours ago
Senior AI Engineer (Permanent)
CoreFactor Inc.
ON · Downtown Toronto (Underground city), Ontario
Full-time
Architect and build production-grade intelligent systems and applications using existing LLMs (e.g., OpenAI, Claude, Gemini, etc.) through API integration, prompt engineering, fine-tuning,…
Added 13 hours ago
Senior AI Engineer (Permanent)
CoreFactor
Toronto, ON · Greater Toronto Area, Canada
Full-time
Architect and build production-grade intelligent systems and applications using existing LLMs (e.g., OpenAI, Claude, Gemini, etc.) through API integration, prompt engineering, fine-tuning,…
Added 19 hours ago
Delivery Manager (Professional Services)
Resonaite
Toronto, ON
$115,000 to $120,000 CAD / year
Full-time
7+ years of experience working within technology delivery, professional services, systems integration or a related technical environment.
Added 20 hours ago
Solution Architect
Aviso
Toronto, ON
$150,000 to $168,000 CAD / year
Full-time
Reporting to the Director, Technical Delivery and Architecture, the Solution Architect is responsible for developing and delivering technology architecture and design strategies and…
Added 1 day ago
Senior Systems Integrator – Enterprise BAS/BMS (SIBA002)
Potenco
Toronto, ON · Greater Toronto Area, Canada
Full-time
The Senior Systems Integrator will work closely with the Solution Architect / Lead EBO Engineer, Controls Specialists, field teams, commissioning personnel, Project Managers, and other…
Added 1 day ago
Senior Technical Program Manager
Warner Bros. Discovery
Ottawa, ON
Full-time
CNN is hiring a Senior Technical Program Manager to lead high-impact programs that span product, technology, design, and product operations. This is a deeply technical senior…
Added 1 day ago
Data Architect (MDM) - ERP Data Transformation
Resonaite
Toronto, ON
Contract
We are seeking a Data Architect (Master Data Management) to support a large-scale ERP and enterprise data transformation program. The successful candidate will provide architecture and…
Added 1 day ago
Senior Software Developer
Bentley Systems
Toronto, ON
A Senior Software Developer, Subsurface Information Management is responsible for the end-to-end design, development, and release of high-performance platform services and APIs that enable…
Added 2 days ago
Senior Quality Assurance Engineer
e-STORAGE
Kitchener, ON
Full-time
We are seeking a skilled and passionate Senior Quality Assurance Engineer to join our dynamic team and contribute to the development of an Energy Management System (EMS) for utility-grade…
Added 2 days ago
Power Platform & Copilot Studio Architect
Softchoice
Calgary, AB · AB · NS · Oakville, ON · Ottawa, ON · Toronto, ON · Nova Scotia, Nova
This role reports to a Team Lead, Manager, or Senior Manager, Digital Architecture.
Added 2 days ago
Lead Architect – Warehouse & Inventory Solutions
Saputo Inc.
Georgetown, ON · Montreal, QC
Full-time
The IT Architect – Warehouse and Inventory Management is accountable for the solution architecture, design, and technical direction of Saputo’s warehousing solutions, with primary focus on…
Added 2 days ago
Senior Cloud Security Engineer ( Global Security)
RBC
Vancouver, BC · Toronto, ON
Full-time
…to further secure RBC’s AWS environment. In this role as a Senior Cloud Security Engineer, you will develop AWS security controls and drive the development of innovative cloud security…
Added 2 days ago
Senior Data Platform Engineer
Norton Rose Fulbright
Toronto, ON · Calgary, AB
Full-time
The Senior Data Platform Engineer will act as a technical lead for our technologies in any project or initiative, and is responsible for designing, developing, implementing, and supporting…
Added 2 days ago
Data Architect
Insight
Toronto, ON
Full-time
As a Data Architect, you will serve as a senior technical leader responsible for designing modern data strategies, target-state architectures, and scalable data platforms that enable…
Added 2 days ago
Cloud Security Architect
Affinity
Vancouver, BC
Contract
On behalf of our public-sector client, Affinity is seeking a Cloud Security Architect to provide senior cloud security architecture, governance and advisory expertise in support of a cloud…
Added 2 days ago
Full Stack Product Engineer
Go-Get Data Consultancy
Remote, Canada
$240,000 to $320,000 USD / year
Full-time · Remote
We’re hiring Senior Full Stack Product Engineers to build the next generation of AI-powered marketing and growth products. You’ll own features end-to-end - from product discovery and…

CoreFactor

Senior AI Engineer (Permanent)

Toronto, ON, Canada
Greater Toronto Area, Canada, Canada

Job type: Full-time
Apply by: Oct 27, 2026
Experience: 4–8+ years of experience in a data science, machine learning, or AI engineering role, including hands-on experience delivering production systems.
Posting language: English
Posted: Sep 27, 2026

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Original job description

CoreFactor is searching for a Senior AI Engineer on a permanent/full-time basis.

This position is hybrid and will require the successful incumbent to go into the office four (4) times per week.

We are seeking an experienced and technically strong Senior AI Engineer to join our clients Data, AI & Analytics team. This role focuses on the applied use of Generative AI and Agentic AI, leveraging existing large language models (LLMs) and platforms - not building models from scratch. As a senior member of the team, you'll take technical ownership of intelligent applications and automation tools that use LLMs to solve business problems, set best practices for the team, and mentor junior engineers, while partnering closely with business, engineering, and governance stakeholders to bring production-grade AI solutions to life.

KEY RESPONSIBILITIES:

Applied Generative & Agentic AI:

You'll be building the agents and GenAI systems that CI's advisors, analysts, and operations teams actually rely on day to day - not prototypes that stall out after the demo.

Architect and build production-grade intelligent systems and applications using existing LLMs (e.g., OpenAI, Claude, Gemini, etc.) through API integration, prompt engineering, fine-tuning, or Retrieval-Augmented Generation (RAG).
Design, prototype, and lead development of agentic AI systems capable of multi-step reasoning, task decomposition, and tool use to automate and support complex business workflows.
Contribute to the design of a reusable, scalable AI platform (shared tooling, agent frameworks, and infrastructure) rather than one-off point solutions, so capabilities can be reused across use cases.
Building web app AI solutions using frameworks such as React or Streamlit.

Monitoring & Improvement:

Set technical direction and best practices for GenAI and agentic solution design, including evaluation methodology, guardrails, and reliability of LLM-powered systems.
Drive continuous iteration and improvement of models and LLM-powered tools based on performance metrics, cost, and user feedback.

Technical Leadership & Best Practices:

Lead design and code reviews, championing best practices around experimentation, reproducibility, and responsible AI.

Requirements

Education:

Bachelor's or Master's degree in Computer Science, Data Science, AI, Machine Learning, Statistics, or a related field.

Experience:

4–8+ years of experience in a data science, machine learning, or AI engineering role, including hands-on experience delivering production systems.
Demonstrated experience designing, building, and shipping agentic AI systems involving multi-step reasoning, task decomposition, and tool use.
Experience designing around real-world infrastructure limitations - such as rate limits, quota management, retries/backoff, and cost-per-call - when architecting LLM-powered systems at scale.

Skills:

Deep understanding of prompt engineering, RAG, fine-tuning, and evaluation of generative output, including tradeoffs across approaches.
Proficiency in Python and ML/AI libraries (e.g., Scikit-learn, PyTorch, TensorFlow).
Hands-on skills in designing and orchestrating agentic workflows (multi-step reasoning, task decomposition, tool/function calling).
Excellent communication skills; able to present complex technical concepts clearly to both technical and non-technical stakeholders, including senior leadership.
Experience with cloud-based environments (AWS, Azure, or GCP).

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More about this job

Responsibilities

Design, build, and maintain production-grade generative and agentic AI applications using existing LLMs, including reusable platforms and tools that automate business workflows. Set technical best practices, evaluate and improve system performance and reliability, and lead design and code reviews while mentoring junior engineers and collaborating with stakeholders.

Requirements

Requires a bachelor's or master's degree in a relevant field and 4–8+ years of experience delivering production data science, machine learning, or AI systems. Candidates should have hands-on experience building agentic workflows and LLM applications, strong Python and AI/ML skills, knowledge of infrastructure constraints and cloud environments, and the ability to communicate effectively with technical and non-technical stakeholders.

Skills

Generative AI
Agentic AI
Large Language Models
Prompt Engineering
Retrieval-Augmented Generation
Fine-Tuning
Python
Scikit-Learn
PyTorch
TensorFlow
Agent Orchestration
Tool and Function Calling
AI Evaluation
Cloud Computing
React
Streamlit

Visa sponsorship

Not detected in the job text

Keywords

Generative AI
Agentic AI
Large Language Models
OpenAI
Claude
Gemini
Prompt Engineering
Retrieval-Augmented Generation
Fine-Tuning
Multi-Step Reasoning
Task Decomposition
Tool Use
API Integration
AI Agents
AI Platform
Python
Scikit-Learn
PyTorch
TensorFlow
React
Streamlit
Evaluation Methodology
Responsible AI
Guardrails
Rate Limits
Quota Management
Retries and Backoff
Cost Management
AWS
Azure

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