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Added 2 mins ago
TA
Electrical Engineer
Taylor Architecture Group
Yellowknife, NT
- Full-time
The Electrical Engineer will support TAG Engineering projects through all phases; including planning, design, site reviews, construction oversight and documentation. This role requires…
Added 2 mins ago
P
Project Coordinator, Renewables
Proven
Toronto, ON
- Full-time
Build and maintain project schedules, and coordinate field work and technologist scheduling with the Senior Geotechnical Engineer who leads the technical team.
Added 2 mins ago
MN
System Engineer
Matchtech North America
Toronto, ON · Greater Toronto Area, Canada
- Full-time
Exposure to construction and T&C activities, plus knowledge of RAMS, Human Factors, and Systems Integration processes.
Added 2 mins ago
SB
Desktop Support Engineer - Full Time
Sharp Brains
Waterloo, ON
- Full-time
Sharp Brains is looking for an experienced and customer-focused Desktop Support Engineer to join our growing IT support team on a full-time basis.
Added 2 mins ago
DP
Optical Test Engineer, R&D
Dream Photonics Inc.
Vancouver, BC
- $90,000 to $110,000 CAD / year
- Full-time
…advanced manufacturing technology for next-generation photonic systems. We are developing PICTORTM, a manufacturing platform that uses precision 3D printing to create high-efficiency,…
Added 2 mins ago
P
Project Coordinator, Renewables
Proven
Calgary, AB
- Full-time
Build and maintain project schedules, and coordinate field work and technologist scheduling with the Senior Geotechnical Engineer who leads the technical team.
Added 2 mins ago
B
Electrical Design Engineer
BGIS
Toronto, ON
- Full-time
The Electrical Design Engineer will be a member of the professional services team and provide electrical engineering and design to assigned electrical project deliverables. The Electrical…
Added 2 mins ago
MN
Systems Integration Lead
Matchtech North America
Toronto, ON · Greater Toronto Area, Canada
- Full-time
The Systems Integration Lead will have a minimum of 12-15 years of experience in managing systems integration of major rapid rail transit projects, with demonstrated experience leading…
Added 2 mins ago
DP
Photonics Engineer, R&D
Dream Photonics Inc.
Vancouver, BC
- $90,000 to $130,000 CAD / year
- Full-time
…advanced manufacturing technology for next-generation photonic systems. We are developing PICTORTM, a manufacturing platform that uses precision 3D printing to create high-efficiency,…
Added 2 mins ago
P
Sales Engineer - Renewable Energy (Wind)
Progressive
Montreal, QC
- $113,000 to $127,000 USD / year
- Full-time
An industry-leading renewable energy organization is seeking a Sales Engineer to support the growth of utility-scale wind energy projects across North America. This role serves as the…
Added 3 mins ago
UO
Engineer
University of British Columbia
Kelowna, BC · UBCO | Central Heating Plant (CHP)
- $5,713 to $6,545 CAD / month
- Full-time
The Maintenance Engineer is responsible for operating and maintaining building equipment and infrastructure related to boilers, cooling towers, pumps, air compressors, geo-exchange and…
Added 3 mins ago
C
Sr. Consultant, Enterprise Scheduling Engineering
CIBC
Toronto, ON
- Full-time
…enterprise scheduling capabilities. As an Enterprise Scheduling Engineer, you’ll provide technical leadership, standards, and best practices to technology teams through the design, build,…
Added 17 mins ago
Maintenance Services Worker
HealthCareersInSask.ca
Loon Lake, SK
Job Description: Performs general maintenance and repairs for facility/plant systems, equipment, grounds and buildings.
Added 17 mins ago
HA
Senior Electrical Engineer (Science & Technology)
H.H. Angus & Associates Ltd.
Toronto, ON
- Full-time
We’re looking for a detail-oriented and solutions-focused Senior Electrical Engineer to join our Science & Technology team and play a critical role in delivering complex, high-value…
Added 32 mins ago
M
Android Software Engineer
MANNARINO
Montreal, QC
- Full-time
We are seeking an experienced Android Software Engineer to help develop next-generation in-flight entertainment systems. You will work alongside multidisciplinary engineering teams to…
Added 32 mins ago
M(
CSA Field Engineer & QA - Fort McMurray
MA (Montreal Associates)
Fort McMurray, AB
- Contract
CSA Field Engineer & QA Contract | Fort McMurray Region
Added 32 mins ago
TI
Full Stack Engineer (knowledge graph platform)
Tekgence Inc
Toronto, ON
- Contract
We are seeking a Senior Full-Stack Engineer to build and maintain a knowledge graph platform for enterprise data governance. The role involves developing scalable backend services,…
Added 32 mins ago
H
Senior/Staff DevOps Engineer
Hushmail
Canada
- Full-time
You are an experienced engineer who is comfortable working across software development, infrastructure, and production operations.
Added 32 mins ago
HT
PD Software for Service
Husky Technologies
Bolton, ON
- Full-time
The Service team is currently seeking a Software engineer/designer to specialize in resolving service issues with a focus on Injection Molding Machine controls, including servo drive and…
Added 32 mins ago
AE
Manager, Power and Automation
Associated Engineering
Markham, ON
- Full-time
Analysis, design, testing, and commissioning of instrumentation and control systems installations.Installations may include advanced process controls, distributed control systems, drives,…
Added 32 mins ago
Mechanical Engineer
Enerflex Ltd
Canada
As a Mechanical Engineer, you will lead the mechanical scope and design for power generation projects. You will develop and review power system designs, specifications, calculations,…
Added 32 mins ago
Senior Process Engineer
Enerflex Ltd
Canada
Reporting to the Engineering Manager, the Senior Process Engineer is responsible for water-related process studies, preparation of process flow diagrams, design and engineering involving…
Added 32 mins ago
Sr. Mechanical Engineer
Enerflex Ltd
Canada
The Senior Mechanical Engineer is a hands-on technical lead responsible for the mechanical engineering of modular process and water-treatment equipment packages from proposal and concept…
Added 32 mins ago
Principal Solutions Engineer
Enerflex Ltd
Canada
Enerflex Water Solutions is seeking a seasoned Principal Solutions Engineer to drive the growth and technical excellence of our global Water Solutions business.
Added 32 mins ago
Principal Backup Engineer
Scotiabank
Toronto, ON
The Principal Engineer partners with business line representatives and technical teams to drive improved technology solutions that support business strategy with an enterprise view. The…

Sapphire Stream Technology

Machine Learning Engineer

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

Full-time

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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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