Jobs in Vaughan, ON and nearby

Jobs within 25 km of Vaughan, ON, Canada. Nearby towns and cities are included. Distances are straight-line, not driving distances.

46,582 listings · 6,530 employers Counted Sep 30, 2026. How we count

About these jobs

Employers hiring include Scotiabank (647 listings), Loblaw Companies Limited (642 listings), RBC (457 listings).

Common roles: Software engineer, Retail sales associate, Project manager.

6,762 of these listings include employer-provided pay. Open a job to see its currency and pay period.

Advertised starting pay
Pay period	Median starting pay	Listings
CAD / year	85,000.00	4,063
CAD / hour	23.34	1,961
USD / year	120,000.00	356
USD / hour	20.00	110
GBP / hour	35.00	14
CAD / week	1,125.00	13
CAD / month	4,108.00	11

Employer-listed minimums from at least 10 listings per currency and pay period. These are advertised starting amounts, not employee salaries. Jobs without a minimum and unusual amounts are excluded.

Workplace classifications: 0% remote, 29% hybrid, 70% on-site, 0% not specified. Hybrid and on-site classifications may be inferred from descriptions. Check the original ad.

Based on the dated count above. Listings can change. How we count

Jobs in Vaughan, ON and nearby

Within 25 km

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Added 8 hours ago
Registered Pharmacy Technician - Full-Time (On site, Richmond Hill, ON)
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Full-time

HeyGen

Software Engineer, GPU Performance

Toronto, ON, Canada

Posting language: English
Posted: Sep 28, 2026

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Applications open in a new tab.

Original job description

About HeyGen

At HeyGen, our mission is to make visual storytelling accessible to all. Over the last decade, visual content has become the preferred method of information creation, consumption, and retention. But the ability to create such content, in particular videos, continues to be costly and challenging to scale. Our ambition is to build technology that equips more people with the power to reach, captivate, and inspire audiences.
Learn more at www.heygen.com. Visit our Mission and Culture doc here.

Position Summary

HeyGen is building AI applications including Avatar IV, Photo Avatar, Interactive Avatar, and Video Translation. We’re looking for a Software Engineer focused on GPU performance to make the systems behind these experiences faster and more efficient.

You will work across model execution and inference infrastructure, using profiling and measurement to improve latency, throughput, and GPU cost. This role is a fit for an engineer who enjoys understanding how software uses the hardware beneath it.

Key Responsibilities

Use NVIDIA Nsight Systems, Nsight Compute, and PyTorch Profiler to investigate GPU utilization, kernel execution, memory bandwidth, and CPU–GPU data movement.
Identify bottlenecks across model execution, preprocessing, and inference serving, then measure the impact of each optimization.
Improve performance through batching, scheduling, memory management, and better GPU utilization.
Develop or integrate high-performance GPU kernels when existing implementations limit performance.
Build benchmarks and automated checks that catch performance regressions across representative video workloads.
Collaborate with AI researchers and infrastructure engineers to bring optimizations into production.
Measure the effect of changes on latency, throughput, cost, and output quality.

Qualifications

Experience optimizing GPU-based AI workloads or high-performance computing systems.
Proficiency in Python and experience with PyTorch or a similar machine learning framework.
Strong curiosity about GPU hardware, including memory bandwidth, cache behavior, tensor cores, and data movement between CPU and GPU.
Experience using profiling tools to connect hardware behavior to application-level bottlenecks and validate improvements.
Ability to turn performance experiments into reliable production changes and communicate tradeoffs clearly.

Preferred Qualifications

Experience with CUDA, Triton, or C++ GPU programming.
Experience optimizing video, image, audio, diffusion, or Transformer models.
Familiarity with multi-GPU inference, GPU interconnects, quantization, or large-scale model serving.
Experience building performance benchmarks or regression testing infrastructure.
Prior experience in a fast-paced technology environment.

What HeyGen Offers

Competitive salary and benefits package.
Dynamic and inclusive work environment.
Opportunities for professional growth and advancement.
Collaborative culture that values innovation and creativity.
Access to the latest technologies and tools.

HeyGen is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

Join us at HeyGen

Help us make AI video faster and more accessible. We’d love to hear from you.

Apply About employer

More about this job

Responsibilities

The engineer will optimize GPU performance for AI applications by identifying bottlenecks in model execution and inference infrastructure. They will develop high-performance kernels and implement optimizations to improve latency, throughput, and GPU cost.

Requirements

Candidates must have experience optimizing GPU-based AI workloads and proficiency in Python with machine learning frameworks. Strong knowledge of GPU hardware architecture and experience with profiling tools are essential for this role.

Skills

GPU performance optimization
Python
PyTorch
NVIDIA Nsight Systems
NVIDIA Nsight Compute
PyTorch Profiler
CUDA
Triton
C++
Inference infrastructure
Memory management
Performance benchmarking
Kernel execution
Quantization
Transformer models

Benefits

Competitive salary
Professional growth opportunities
Inclusive work environment
Access to latest technologies

Visa sponsorship

Not detected in the job text

Keywords

Software Engineer
GPU Performance
AI
Avatar
Inference
Latency
Throughput
NVIDIA Nsight
PyTorch
Memory Bandwidth
Kernel Execution
Batching
Scheduling
CUDA
Triton
C++
Diffusion Models
Transformer Models
Multi-GPU
Quantization
Regression Testing
Profiling
Hardware
Data Movement
Tensor Cores

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