Jobs in Canada

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Added 9 days ago
Senior Strategic Sourcing Specialist
Wawanesa Insurance
Calgary, AB · Winnipeg, MB · Toronto, ON · North York - Toronto, ON (Hybr, ON
…agreements including but not limited to resource, technical (software, SaaS, hardware), technical and non technical professional service, and master services…
Added 9 days ago
Business and Configuration Analyst, AI
CityofOttawa
Ottawa, ON
Note: This is a hands-on software development position within the Artificial Intelligence (AI) team, focused on developing, integrating, deploying and supporting AI solutions, including…
Added 9 days ago
ES
Senior Data Engineer
Epsilon Solutions Ltd.
Mississauga, ON
- $65 to $70 CAD / hour
- Contract
Added 9 days ago
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Security Technician - Saskatoon Region
Convergint
Saskatoon, SK
- Full-time
…to isolate and fix problems in malfunctioning equipment or software. Installs projects as…
Added 9 days ago
SS
Machine Learning Engineer
Sapphire Stream Technology
Toronto, ON · Greater Toronto Area, Canada
- Full-time
Sapphire Stream Technology (SST) is a technology and engineering solutions company specializing in software development, AI and machine learning, semiconductor technologies, automotive…
Added 9 days ago
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Senior Python Developer
Futran Solutions
Mississauga, ON
- Full-time
Software engineering fundamentals: data structures, algorithms, and complexity analysis.
Added 9 days ago
VN
iOS Software Developer
Vaderstad North America
Regina, SK
- Full-time
We are looking for a intermediate software developer to join our team and contribute to the development of high-quality native iOS applications. The ideal candidate will possess a strong…
Added 9 days ago
TO
Client Services Supervisor
Town of Whitchurch-Stouffville
Whitchurch-Stouffville, ON
- Full-time
…standards, payment processing operations, recreation management software administration and frontline service delivery. As a subject matter expert, the Supervisor works collaboratively with…
Added 9 days ago
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Java Fullstack Developer
Prolifics
Montreal, QC
- Contract
We are looking for an experienced Java Full Stack Developer to join our team in Montreal. The ideal candidate will have strong hands-on experience developing enterprise applications using…
Added 9 days ago
IS
Java Architect
Iris Software Inc.
Toronto, ON
- Contract
Provide technical leadership and guidance to development teams throughout the software development lifecycle.
Added 9 days ago
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Accounting and Finance Lead
Providius
Hamilton, ON
- $75,000 to $95,000 CAD / year
- Full-time
Assist with tracking software licence revenue, maintenance contracts, recurring revenue, and deferred revenue
Added 9 days ago
FI
Full Stack Engineer
Flexton Inc.
Toronto, ON
- Contract
We are looking for a skilled Software Engineer with strong experience in Java, Spring MVC, JavaScript, React.js and modern web application development. The ideal candidate should have a…
Added 9 days ago
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Gestionnaire Junior en Distribution / Strategic Development Trainee
Emco Corporation: Plumbing, HVAC, Waterworks, Industrial, Irrigation, Fire Protection
Trois-Rivières, QC
- Full-time
Added 9 days ago
IG
Site Reliability Engineer
Insight Global
Toronto, ON
- $60 to $70 CAD / hour
- Contract
Genesys Cloud CX Certified Professional, Developer, or Administrator
Added 9 days ago
TO
Wastewater Operator
Township of Centre Wellington
Centre Wellington, ON
- Full-time
Working knowledge of computer software programs such as Microsoft Office and related programs
Added 9 days ago
AT
CXA Merchandising Retail Ops Associate.
Atlas Tools & Machinery
Vaughan, ON
- $19.25 to $21 CAD / hour
- Full-time
Added 9 days ago
SS
Senior Validation Engineer- Agentic AI
Sapphire Stream Technology
Toronto, ON · Greater Toronto Area, Canada
- Full-time
This position combines agentic AI software development, intelligent automation, and component quality engineering. The successful candidate will design, develop, and deploy…
Added 9 days ago
CS
Data Modeler
Confiar Services
Toronto, ON
- $65 to $70 CAD / hour
- Contract
Added 9 days ago
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Power Platform Developer
Insight Global
Toronto, ON
- $40 to $45 CAD / hour
- Contract
Insight Global is looking for a Senior Power Platform / Canvas Apps Developer to join an application development team supporting Contact Centre business partners.
Added 9 days ago
2I
Senior Systems Testing/ QA Specialist
2iSolutions Inc.
Toronto, ON
- Contract
The role requires onsite attendance up to 3 days per week, at the Hiring Manager's discretion
Added 9 days ago
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Knowledge Graph Engineer
Centraprise
Toronto, ON
- Contract
10+ years of software engineering experience, including 5+ years in full-stack development.
Added 9 days ago
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Water Resources Graduate
Stantec
Markham, ON
- Full-time
Hands on experience with stormwater management modelling, ideally Visual OTTHYMO, HEC-RAS, and PCSWMM, and with design software such as ArcGIS, AutoCAD (Civil3D) is beneficial. Knowledge of…
Added 9 days ago
P
Accounting and Finance Lead
Providius
Hamilton, ON
- $75,000 to $95,000 CAD / year
- Full-time
Assist with tracking software licence revenue, maintenance contracts, recurring revenue, and deferred revenue.
Added 9 days ago
General Duty Nurse (N2) - Women's Float Team - Repost
Winnipeg Regional Health Authority
Winnipeg, MB
Proficient with computers, software programs, and applications such as Windows and Word processing, spreadsheets, and databases.
Added 9 days ago
Instrumentation Technician
Hudbay Minerals
Princeton, BC
Schedule: 7x7, 12-hour shift, Day and Night Schedule

Sapphire Stream Technology

Machine Learning Engineer

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

Full-time

Apply on LinkedIn About employer

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Job details

Job type: Full-time
Apply by: Dec 2, 2026
Posting language: English
Posted: Nov 2, 2026

Original job description

About Sapphire Stream Technology

Sapphire Stream Technology (SST) is a technology and engineering solutions company specializing in software development, AI and machine learning, semiconductor technologies, automotive solutions, and advanced engineering services.

We collaborate with leading global technology companies to deliver innovative engineering solutions and support the development of next-generation products.

As we continue to expand our presence in North America, we are looking for talented engineers who are passionate about emerging technologies, solving complex technical challenges, and contributing to advanced AI and computing solutions.

Position Overview

SST is seeking a Machine Learning Software Engineer – GPU & AI Optimization to join our growing engineering team in Markham, Ontario.

The successful candidate will work on advanced machine learning software development, GPU computing, and performance optimization for next-generation computing platforms.

This role involves developing and optimizing machine learning kernels, leveraging agentic AI workflows to improve engineering productivity, and collaborating with cross-functional engineering teams to enhance software performance, computational efficiency, and power optimization.

We are looking for an enthusiastic, technically strong individual who enjoys working on complex engineering challenges and exploring innovative approaches to AI and GPU software development.

Key Responsibilities

Develop, implement, and optimize machine learning software, GPU kernels, and computational workloads for advanced computing platforms.
Leverage agentic AI tools and workflows to accelerate software development, testing, debugging, and optimization.
Support software and workload development across pre-silicon and post-silicon development environments.
Design and maintain efficient machine learning kernels, kernel fusion techniques, and performance optimization solutions.
Develop clean, maintainable, and testable C++ and Python code, including microbenchmarks and automated regression tests.
Optimize GPU execution parameters, including tile sizes, block configurations, and memory layouts, to improve latency, throughput, and power efficiency.
Support runtime integration, deployment, and performance tuning across machine learning inference frameworks and computing platforms.
Analyze GPU performance using profiling tools and performance metrics to identify bottlenecks and optimization opportunities.
Collaborate with software, hardware, runtime, and machine learning engineering teams to improve system-level efficiency.
Participate in technical design discussions, code reviews, debugging, and continuous improvement initiatives.
Contribute to the development of innovative engineering solutions for emerging AI and high-performance computing applications.

Required Qualifications

Bachelor's or Master's degree in Computer Science, Computer Engineering, Software Engineering, Computer Systems, or a related technical discipline.
Strong programming proficiency in C++ and Python.
Solid understanding of software engineering principles, algorithms, data structures, and performance optimization.
Knowledge of machine learning concepts, numerical computing, and linear algebra.
Experience developing, debugging, and testing complex software applications.
Strong analytical and problem-solving abilities.
Excellent communication, collaboration, and teamwork skills.
Ability to work effectively in a fast-paced, collaborative engineering environment.

Preferred Qualifications

Practical experience using agentic AI workflows, AI coding assistants, or AI-driven development tools to improve engineering efficiency.
Experience with GPU computing or parallel programming technologies such as CUDA, HIP, or OpenCL.
Familiarity with GPU graphics programming technologies such as DirectX or Vulkan.
Experience developing and optimizing machine learning kernels and GPU-accelerated workloads.
Understanding of machine learning architectures, including Transformers, U-Nets, and Convolutional Neural Networks (CNNs).
Familiarity with pre-silicon software development or hardware emulation platforms such as FPGA, ZeBu, or Veloce.
Experience with performance profiling tools and GPU performance metrics, including occupancy, memory bandwidth, FLOPs, and roofline analysis.
Knowledge of kernel fusion, memory optimization, parallel execution, and high-performance computing.
Experience with machine learning inference frameworks, runtime integration, or production software deployment.
Exposure to hardware-software co-optimization and power-efficient computing.

Why Join SST?

Work on advanced AI, machine learning, and GPU computing technologies.
Contribute to challenging engineering projects involving next-generation computing platforms.
Collaborate with experienced engineering professionals and global technology teams.
Gain exposure to emerging technologies in semiconductor engineering and high-performance computing.
Be part of SST's growing North American engineering organization.

Work Location

Markham, Ontario, Canada – Onsite

This position requires working onsite and collaborating closely with engineering teams.

Equal Opportunity Employer

Sapphire Stream Technology is committed to providing an inclusive and respectful workplace. Employment decisions are based on qualifications, experience, and business requirements, in accordance with applicable employment and human rights legislation.

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More about this job

Responsibilities

Develop and optimize machine learning software, GPU kernels, and computational workloads, including kernel fusion, execution tuning, and performance analysis. Use agentic AI workflows and collaborate with software, hardware, runtime, and machine learning teams to improve performance, efficiency, and power optimization across pre-silicon and post-silicon environments.

Requirements

A bachelor's or master's degree in computer science, computer engineering, software engineering, computer systems, or a related discipline is required, along with strong C++ and Python skills. Candidates should understand software engineering, algorithms, data structures, machine learning, numerical computing, and linear algebra, and bring strong analytical, problem-solving, communication, and teamwork abilities.

Skills

C++
Python
Machine Learning
GPU Computing
GPU Kernel Optimization
CUDA
HIP
OpenCL
Parallel Programming
Performance Profiling
Kernel Fusion
Linear Algebra
Machine Learning Inference
AI Coding Assistants
DirectX
Vulkan

Visa sponsorship

Not detected in the job text

Keywords

Machine Learning
GPU Computing
C++
Python
CUDA
HIP
OpenCL
DirectX
Vulkan
Agentic AI Workflows
AI Coding Assistants
GPU Kernels
Kernel Fusion
Performance Optimization
Performance Profiling
Pre-Silicon Development
Post-Silicon Development
FPGA
ZeBu
Veloce
Transformers
U-Nets
Convolutional Neural Networks
Machine Learning Inference
Runtime Integration
Memory Bandwidth
Occupancy
Roofline Analysis
High-Performance Computing
Hardware-Software Co-Optimization

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Jobs in Canada