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Added 44 mins ago
AC
Database Administrator
Amphenol Communications Solutions
Markham, ON
- Full-time
…components used by business applications, data integration, and analytics, with primary accountability for database availability, data integrity, recoverability, and…
Added 59 mins ago
RH
Data Engineer
Robert Half
North Vancouver, BC
- $40 to $60 CAD / hour
- Contract
Our client is seeking a Senior Business Analyst / Data Engineer to support operational reporting, analytics, and business process improvements within a complex ERP environment. This is an…
Added 59 mins ago
AI
Senior AWS Data Engineer
Apptoza Inc.
Toronto, ON
- Full-time
We are seeking a Senior AWS Data Engineer with 12+ years of hands-on experience designing, developing, and supporting enterprise-scale data platforms on AWS. The ideal candidate will be a…
Added 1 hour ago
RC
Senior Data Engineer
RSM Canada
Calgary, AB
- Full-time
…Background In Design And Development, Data Modeling, And Business Analytics. This Individual Will Collaborate Closely With Our Data Analytics Team…
Added 1 hour ago
CT
Lead/Senior Data Engineer
Celebal Technologies
Ottawa, ON
- Contract
Our client is seeking an experienced, hands-on Senior Data Engineer to help build and scale the enterprise data foundation supporting Analytics, AI, and self-service decision-making across…
Added 1 hour ago
EN
Principal Wireless SW Engineer
Extreme Networks
Toronto, ON
- Full-time
The Principal Wireless Software Engineer is a senior technical leader responsible for resolving the most complex and business-critical customer issues escalated through the Global Technical…
Added 2 hours ago
B
Software Engineer - Model Performance Systems
Baseten
Montreal, QC
- $165,000 to $330,000 USD / year
- Full-time
This is a mid-senior, high leverage role. We care about your technical depth, strong communication skills to drive cross-team efforts, ability to navigate vague requirements and mentor…
Added 2 hours ago
B
Software Engineer - Model Performance Systems
Baseten
Toronto, ON
- $165,000 to $330,000 USD / year
- Full-time
This is a mid-senior, high leverage role. We care about your technical depth, strong communication skills to drive cross-team efforts, ability to navigate vague requirements and mentor…
Added 3 hours ago
C
Application Programmer
Collabera
Mississauga, ON
- $70 to $80 USD / hour
- Full-time
We are seeking an experienced Senior Forward Deployed Engineer (FDE) with strong expertise in Java, Python, backend/full-stack development, and solution architecture. The ideal candidate…
Added 5 hours ago
E
Early Career RF Specialist (RAN Optimization)
Ericsson
Toronto, ON
- Full-time
…network analysis, pre-sales support, Ericsson's cutting-edge analytics solutions, and a strong foundation in customer-focus and quality service delivery, with mentorship and support from…
Added 5 hours ago
UC
AI Developer
UniSysTech Consulting
Toronto, ON · Greater Toronto and Hamilton Area, ON
- Other
We are seeking an experienced AI Developer (Mid to Senior Level) to lead the design, development, and deployment of enterprise-grade Artificial Intelligence and Machine Learning solutions.…
Added 5 hours ago
M
Senior CyberArk Security Engineer
Manulife
Toronto, ON · Waterloo, ON
- Full-time
We are looking for an experienced Senior CyberArk Security Engineer to join our global Privileged Access Management (PAM) Engineering team and help strengthen the security, automation,…
Added 5 hours ago
MK
ERP Integration & Transformation Lead
Moose Knuckles Canada
Montreal, QC · Greater Montreal Metropolitan Area
- Full-time
Reverse-engineer and document systems and data where documentation is thin and the original implementer is no longer involved.
Added 5 hours ago
A
Gen AI Engineer (Python,RAG, LangChain, LangSmith)
Apptad
Montreal, QC
- Full-time
We are looking for a Senior AI/ML Engineer with expertise in Retrieval-Augmented Generation (RAG), vector databases, multimodal AI, and prompt engineering. The candidate will be responsible…
Added 5 hours ago
SF
Senior AI Engineer
Safe Fleet
Coquitlam, BC
- Full-time
We are looking for a hands-on Senior AI Engineer to build the platform that makes that possible - the shared services, agent framework, standards and tooling that allow every engineer on…
Added 5 hours ago
H
Senior Machine Learning Engineer
Hays
Toronto, ON
- Contract
Added 5 hours ago
2I
Data Scientist/Data Engineer
2iSolutions Inc.
Toronto, ON
- Contract
Requisition Title: RQ11753 - Data Analytical Specialist/Scientist - Senior
Added 5 hours ago
E
Early Career RF Specialist (RAN Optimization)
Ericsson
Toronto, ON
- Full-time
…network analysis, pre-sales support, Ericsson's cutting-edge analytics solutions, and a strong foundation in customer-focus and quality service delivery, with mentorship and support from…
Added 5 hours ago
C
Senior Full-Stack Engineer / Technical Lead - Onsite
Cognizant
Toronto, ON
- Full-time
We are looking for an experienced Senior Full-Stack Engineer / Technical Lead to design and develop scalable enterprise applications and cloud-native solutions. The ideal candidate will…
Added 5 hours ago
MP
Senior Data Engineer
Michael Page
Winnipeg, MB
- $85,000 to $90,000 CAD / year
- Full-time
This Data Engineer role focuses on designing, building, and supporting scalable data pipelines and cloud-based data solutions while ensuring data quality, security, and operational…
Added 5 hours ago
H
Senior WMS Implementation Engineer
Hays
Canada
- $95 to $100 CAD / hour
- Contract
Reporting to the Director, Data Science, as a Senior Data Scientist a successful candidate will focus on supporting Canadian business units in accelerating the growth and application of…
Added 5 hours ago
1
Applied AI Engineer - Evaluation & Reliability
15Rock
Toronto, ON · Greater Toronto Area, Canada
- Full-time
Applied AI Engineer - Evaluation & ReliabilityThe problem you'd own
Added 5 hours ago
ET
Senior AI/ML Engineer
Envision Technology Solutions
Canada
- Contract
The Senior AI/ML Platform Engineer will build, productionize, and operate AI/ML solutions on Azure Databricks platform.
Added 5 hours ago
ET
AVP, Lead Software AI Engineer
Encore Technical Solutions Inc.
Toronto, ON
- Full-time
AVP - Senior Engineering Lead, AI Software Engineering
Added 5 hours ago
L
Applied AI Engineer
Luxoft
Canada
- Full-time
Mid-to-senior software engineer who has shipped LLM-based features or agents to production, not only prototypes

Hays

Senior Machine Learning Engineer

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
Apply by: Nov 28, 2026
Posting language: English
Posted: Oct 29, 2026

Original job description

Job Title: Senior Machine Learning Engineer

Location: Toronto, ON (Hybrid 1day/week onsite)

Duration: Contract

Rate: CAD$100-105/hr INC

What You’ll Do

Develop, train, evaluate, and improve ML and deep learning models.
Work across the ML lifecycle, including data analysis, feature preparation, experimentation, training, and evaluation.
Build PyTorch-based models for practical business use cases.
Analyze model performance and iterate based on clear metrics.
Build reusable training, evaluation, and inference workflows.
Collaborate with data, product, and engineering teams.
Document results, findings, and trade-offs clearly.

What We’re Looking For

Hands-on experience developing ML models.
Strong Python programming skills.
Experience with PyTorch or similar deep learning frameworks.
Good grasp of ML fundamentals: training, validation, evaluation, optimization, overfitting, and generalization.
Experience gathering, cleaning, analyzing, and preparing data for ML.
Good software engineering practices: clean code, version control, testing, and documentation.
Strong ownership mindset and ability to drive work forward.
Clear communication and collaboration skills.

Especially Valuable

Experience with personalized recommendations, search, ranking, or relevance systems.
Experience with GCP, BigQuery, SQL, Spark, Dataflow, Airflow, Kubernetes, or cloud-based ML workflows.
Experience supporting ML models in production.

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More about this job

Responsibilities

Develop, train, evaluate, and improve machine learning and deep learning models, including PyTorch models for business use cases. Build reusable training, evaluation, and inference workflows; analyze performance; collaborate across teams; and document results and trade-offs.

Requirements

Requires hands-on machine learning model development, strong Python skills, and experience with PyTorch or a similar deep learning framework. Candidates should understand core ML concepts and data preparation, follow sound software engineering practices, and demonstrate ownership, communication, and collaboration skills.

Skills

Machine Learning
Deep Learning
Python
PyTorch
Model Training
Model Evaluation
Data Analysis
Feature Preparation
Experimentation
Model Optimization
Recommendation Systems
Search
Ranking
SQL
BigQuery
Cloud-Based ML Workflows

Visa sponsorship

Not detected in the job text

Keywords

Machine Learning
Deep Learning
Python
PyTorch
Model Training
Model Validation
Model Evaluation
Model Optimization
Overfitting
Generalization
Data Analysis
Data Cleaning
Feature Preparation
Inference Workflows
Recommendations
Search
Ranking
Relevance Systems
GCP
BigQuery
SQL
Spark
Dataflow
Airflow
Kubernetes
Cloud-Based ML
Production ML
Version Control
Testing
Documentation

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