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Added 18 mins ago
G
Senior HPC and Platform Engineer
GeoSoftware
Calgary, AB
- Full-time
We are looking for an experienced HPC and platform engineer to join our Digital Platform team.
Added 4 hours ago
SC
Senior Engineer, Cloud Operations
Sleep Country
Brampton, ON
- Full-time
Sleep Country Canada is looking for a Senior Cloud Engineer to plays a key role in ensuring the reliability, performance, and security of Sleep Country’s multi-cloud environment. This…
Added 18 hours ago
TA
Senior Software Engineer
Treasure AI
Vancouver, BC
- $132,500 to $171,000 CAD / year
- Full-time
As a Senior Software Engineer on the Realtime/Personalization team, you will be a core technical contributor building Treasure AI's AI-native Personalization Studio and RT2.0 engine.…
Added 1 day ago
CL
Senior Cloud DevOps Engineer
Charger Logistics Inc
Brampton, ON
- Full-time
The Senior Cloud DevOps Engineer will design and implement enterprise-scale cloud infrastructure, drive automation strategies, and mentor engineering teams while architecting…
Added 2 days ago
BD
Senior DevOps Engineer - Cloud Operations
Black Duck
Calgary, AB
- Full-time
Staff. DevOps Engineer will be a key player on the Cloud Operations team responsible for all SaaS and Hosted services across the company's product portfolio. They will proactively work with…
Added 2 days ago
MC
Senior Cybersecurity Test Engineer (35651)
Myticas Consulting
Ottawa, ON
- Contract
We are seeking a Senior Cybersecurity Test Engineer to lead and execute security testing activities across applications, infrastructure, cloud environments, APIs, and system integrations.…
Added 2 days ago
MC
Data Analyst – Power BI Microsoft Fabric (35903)
Myticas Consulting
Ottawa, ON
- Full-time
Reporting to a senior technology leader and working closely with a Data Architect, you will design and maintain dashboards, reports, data models and analytical solutions using Microsoft…
Added 2 days ago
RI
Senior Full Stack Java Developer - Capital Markets
Rose International
Mississauga, ON
- Full-time
Seeking a Senior Forward Deployed Engineer with deep Java and Python expertise to work directly with Fintech clients in the Spread Products space. This is a hybrid engineering and…
Added 2 days ago
UC
Databricks Data Platform Engineer
Univedge Consulting LLC
Canada
- Contract
As a Senior Databricks Data Platform Engineer, you will own the engineering, automation, and day-to-day health of our enterprise Databricks Lakehouse platform. This is a platform-first…
Added 2 days ago
CL
Senior Cloud DevOps Engineer
Charger Logistics Inc.
Brampton, ON
- Full-time
The Senior Cloud DevOps Engineer will design and implement enterprise-scale cloud infrastructure, drive automation strategies, and mentor engineering teams while architecting…
Added 2 days ago
C(
Senior Software Engineer, Agentic Systems
CareLink (by Asepha)
Toronto, ON
- Full-time
…organizations, we’re scaling rapidly and seeking a talented, innovative Senior Software Engineer to join our growing team. As one of our early hires, you’ll play a critical role in shaping…
Added 2 days ago
A
Senior Python Backend Engineer
Apexon
Toronto, ON
- $120,000 to $150,000 CAD / year
- Contract
We are looking for a Backend Engineer – Python (API & Platform Engineering) to join our engineering team in Toronto, Ontario. This is a hands-on backend engineering role focused on building…
Added 2 days ago
P
Senior Cloud Engineer
Paymentus
Richmond Hill, ON
- $100,000 to $140,000 CAD / year
- Full-time
The Cloud Engineer is responsible for supporting, monitoring and tooling of Cloud deployments. The Cloud Engineer works closely with the Development and QA teams to produce reliable and…
Added 3 days ago
RC
Senior Data Engineer
RSM Canada
Calgary, AB
- Full-time
Proven experience with major cloud platforms such as Microsoft Azure, AWS or GCP
Added 3 days 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 3 days ago
LM
Senior Software Engineer - Product Lead - ISS Team
Lockheed Martin
Ottawa, ON
- $102,750 to $134,750 USD / year
- Full-time
he Senior Software Engineer is a technical leader and subject matter expert who combines hands-on software development with team leadership and mentorship. In this role, the successful…
Added 3 days ago
H
Senior Machine Learning Engineer
Hays
Toronto, ON
- Contract
Experience with GCP, BigQuery, SQL, Spark, Dataflow, Airflow, Kubernetes, or cloud-based ML workflows.
Added 3 days ago
LM
Senior Software Engineer - Product Lead
Lockheed Martin
Ottawa, ON
- Full-time
The Senior Software Engineer is a technical leader and subject matter expert who combines hands-on software development with team leadership and mentorship. In this role, the successful…
Added 3 days ago
SG
Sr. Forward Deployed Engineer
Software Guidance & Assistance, Inc. (SGA, Inc.)
Mississauga, ON
- Full-time
Seeking a Senior Forward Deployed Engineer (FDE) with deep Java and Python technology expertise to work directly with our clients in the Spread Products space.
Added 3 days 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 4 days ago
V
Lead Software Engineer
Virtusa
Toronto, ON
- Full-time
Years of Experience: 5+ years for Senior Support Analyst, 2-4 years for Support Analyst
Added 4 days ago
A
Technology - Senior Engineer/Engineer, Cybersecurity
Aritzia
Vancouver, BC
- Full-time
…enable the business to operate and innovate securely. As the Senior Engineer/Engineer, Cybersecurity, you will engineer, implement, automate, and continuously improve security across…
Added 4 days ago
L
Full Stack Engineer, Agentic AI
Lazer
Remote, Canada
- Contract
- Remote
Lazer is a world-class digital product studio composed of 180+ senior engineers and designers with backgrounds from companies like Apple, Google, Coinbase, and more. With our product…
Added 4 days ago
RU
Senior Data Engineer
RSM US LLP
Calgary, AB · Toronto, ON
- Full-time
Proven experience with major cloud platforms such as Microsoft Azure, AWS or GCP
Added 4 days ago
Senior Software Engineer, Performance ( Toronto)
Okta
Toronto, ON
We are seeking a Senior Back-End Software Engineer to help own the scalability, efficiency, and service protection of our expanding Identity as a Service platform.

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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