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Added 18 mins ago
HR
Software Analyst
Hitachi Rail
Toronto, ON
- Full-time
Added 1 hour ago
DO
Mechanical Structural Design Engineer
Dongguan Onlitex Electronic Co., Ltd
Major, SK
- Full-time
Added 2 hours ago
H
Assistant Contract Administrator
HDR
Toronto, ON
- Full-time
Added 3 hours ago
W
Senior Mechanical Engineer
W3Global
Sudbury, ON · Greater Sudbury, ON
- $120,000 to $200,000 CAD / year
- Full-time
My client is seeking a Senior Mechanical Engineer with a minimum of 10 years of experience to join our team. This position is based in Timmins, Ontario and requires the successful candidate…
Added 3 hours ago
WI
Senior Mechanical Engineer (Plant Design)
WSP in Canada
Sudbury, ON · Greater Sudbury, ON
- Full-time
As a Senior Mechanical Engineer within our Mine Process & Mine Infrastructure group, you will shape the systems and infrastructure that power Canada’s most complex industrial and mining…
Added 3 hours ago
A
Manager, Software Engineering
AltaML
Toronto, ON
- Full-time
We overpay for the right people. We'd rather pay a premium for an engineer who embodies this and multiplies the team than save money on someone who doesn't.
Added 3 hours ago
3C
Cloud Platform & DevOps Engineer
360 Cloud Platforms
ON · Regional Municipality of York, ON
- Full-time
Added 4 hours ago
C-
Technical Sales Intern- Mississauga
Captiveaire - Region 114 Western PA
Mississauga, ON
- Volunteer
…December 2026 or May 2027 and has an interest in being a Sales Engineer. The role will be part time in the…
Added 4 hours ago
BG
Process Engineer, Production
BV GLAZING
Concord, ON
- $85,000 to $95,000 CAD / year
- Full-time
…From Toronto to Texas, we are vertically integrated to design, engineer, manufacture and install the complete building envelope with today’s most ambitious developers. Serving both…
Added 4 hours ago
BG
Draftsperson
BV GLAZING
Niagara Falls, ON
- $70,000 to $90,000 CAD / year
- Full-time
…From Toronto to Texas, we are vertically integrated to design, engineer, manufacture and install the complete building envelope with today’s most ambitious developers. Serving both…
Added 4 hours ago
FA
Maintenance Control Supervisor
Flair Airlines Ltd.
Toronto, ON
- Full-time
A valid Aircraft Maintenance Engineer (AME) license is required.
Added 4 hours ago
T
Staff Software Engineer
Twilio
Remote, Canada
- Full-time
- Remote
Join the team as Twilio’s next Staff Software Engineer.
Added 4 hours ago
RF
Fuel Systems Engineer – RSM Fuel Services
RSM Fuel Delivery
Engineer, BC
- Full-time
RSM Fuel Services is looking for a Fuel Systems Engineer to support the delivery of fuel infrastructure services across the UK.
Added 4 hours ago
HJ
CAMO ENGINEER
Hongkong Jet
Engineer, BC
- Full-time
Hold a valid Aircraft Maintenance Engineer License (HKCAR-66 or equivalent EASA/FAA certification).
Added 4 hours ago
EA
Propulsion Systems Engineer [Mechanical/Aerospace Engineer]
Eternium Aerospace
Engineer, BC
- Full-time
Added 4 hours ago
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Data Engineer
ADS LLC
Engineer, BC
- Full-time
Added 4 hours ago
UA
Software Engineer Intern - QuantumBlack, AI by McKinsey at McKinsey & Company
UCI-OC Alliance
Engineer, BC
- Volunteer
Software Engineer Intern - QuantumBlack, AI by McKinsey
Added 4 hours ago
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Hydrotechnical Engineer
Klohn Crippen Berger
Fredericton, NB
- Full-time
…Fredericton office. The role of Intermediate Water Resources Engineer comes with the flexibility to work a hybrid schedule and will provide you with the opportunity…
Added 4 hours ago
PA
Maintenance Operational Controller
PROVINCIAL AEROSPACE LTD
NL
- Full-time
Must possess a valid Transport Canada Aircraft Maintenance Engineer licence for a minimum of 5 years.
Added 5 hours ago
S&
Mechanical Engineer 2 - Nuclear
Sargent & Lundy
Toronto, ON · North York, ON
- Full-time
Added 5 hours ago
EC
Civil Designer
EnGlobe Corp.
Moncton, NB
- Full-time
Added 5 hours ago
AM
Profiling Infrastructure Development Engineer
Advanced Micro Devices, Inc
Markham, ON
- Full-time
Added 5 hours ago
AM
Sr. Software Development Engineer, AI Models
Advanced Micro Devices, Inc
Markham, ON
- Full-time
Join our innovative team at AMD as an AI Models Software Engineer. We are seeking passionate individuals who are dedicated to optimizing, accelerating, and applying AI models. As a member…
Added 5 hours ago
AM
Analog/Mixed-Signal SerDes Design Engineer
Advanced Micro Devices, Inc
Markham, ON
- Full-time
…process. We are currently seeking an analog/mixed-signal design engineer to join our world-class…
Added 5 hours ago
AM
Software Engineer, AI & Engineering Productivity Tools
Advanced Micro Devices, Inc
Markham, ON
- Full-time
AMD is seeking a Software Engineer, AI & Engineering Productivity Tools to build platforms, automation, and AI-powered tools that improve engineering productivity across ASIC design and…

Microsoft

Principal Software Engineer

Vancouver, BC, Canada

Full-time

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Applications open in a new tab.

Job details

Job type: Full-time
Apply by: Nov 2, 2026
Posting language: English
Posted: Oct 3, 2026

Original job description

Overview

Do you want to help shape the future of AI infrastructure and influence the hardware-software co-design decisions powering Microsoft's next generation of AI platforms?

Join the Systems Planning and Architecture (SPARC) team within Azure Hardware Systems and Infrastructure (AHSI), where we are building infrastructure for some of the world's most demanding AI workloads. Our team drives model enablement, performance optimization, and hardware-software co-design across Microsoft's custom AI accelerators and cloud-scale AI systems.

As a Principal Software Engineer, you will provide technical leadership for enabling and optimizing frontier-scale AI models on Microsoft AI accelerators. You will work across hardware architecture, compilers, kernels, frameworks, runtimes, and model teams to define performance strategies, influence future platform investments, and improve training and inference efficiency at scale. This opportunity places you at the intersection of AI systems, distributed computing, and accelerator architecture, with the ability to influence technical direction across multiple engineering organizations.

This role is flexible and offers a hybrid work model with three days per week in the office.

Microsoft's mission is to empower every person and every organization on the planet to achieve more. As employees, we come together with a growth mindset, innovate to empower others, and collaborate to achieve our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.

Responsibilities

Lead technical strategy for enabling and optimizing frontier-scale AI models across Microsoft AI accelerators and cloud-scale AI infrastructure.
Architect and optimize AI systems across hardware, compilers, kernels, frameworks, runtimes, and distributed infrastructure to improve training and inference performance.
Partner with hardware architecture teams on hardware-software co-design, influencing accelerator features, memory systems, interconnects, execution models, and future silicon roadmaps.
Drive performance optimization across kernels, communication, memory movement, quantization, attention, mixture-of-experts (MoE), and other critical AI workloads.
Architect distributed training and inference solutions spanning large accelerator clusters, including parallelism, communication, memory management, and scaling strategies.
Drive model enablement and performance improvements across AI frameworks and inference technologies such as PyTorch, Triton, vLLM, SGLang, and related ecosystems.
Lead architecture reviews and complex cross-organization technical initiatives, build alignment across engineering teams, mentor engineers, and provide technical recommendations that inform Microsoft's long-term AI infrastructure strategy.

Qualifications

Required/minimum qualifications

Bachelor's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.
Experience partnering with hardware architecture teams on hardware-software co-design, accelerator enablement, or performance optimization.

Other Requirements

Ability to meet Microsoft, customer, and/or government security screening requirements, including Microsoft Cloud Background Check requirements.

Preferred Qualifications

7+ years of experience developing and optimizing high-performance AI systems, kernels, or accelerator software using CUDA, ROCm, Triton, or similar programming models.
Deep experience optimizing large-scale AI workloads, including attention, mixture-of-experts (MoE), quantization, FP8, KV-cache management, memory efficiency, or related techniques.
Experience enabling and optimizing large language, reasoning, multimodal, or other foundation models on AI accelerators.
Experience designing distributed training or inference systems using techniques such as tensor, pipeline, expert, or sequence parallelism.
Deep knowledge of AI frameworks such as PyTorch and experience optimizing production-scale training or inference workloads.
Demonstrated experience leading complex technical initiatives across multiple engineering organizations and influencing technical strategy beyond immediate team boundaries.
Publications, patents, open-source contributions, or other recognized contributions in AI systems, distributed computing, machine learning infrastructure, or hardware acceleration.

Software Engineering IC5 - The typical base pay range for this role across the U.S. is USD $142,800 - $274,800 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000 - $304,200 per year.

Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:

https://careers.microsoft.com/us/en/us-corporate-pay

This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled.

Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.

Apply About employer

More about this job

Responsibilities

Lead the strategy and engineering work to enable and optimize frontier-scale AI models on Microsoft accelerators, improving training and inference across hardware, software, and distributed infrastructure. Drive hardware-software co-design, performance initiatives, and cross-organization technical leadership, including architecture reviews, mentoring, and recommendations for long-term AI infrastructure strategy.

Requirements

Requires a bachelor's degree in computer science or a related technical field and at least six years of technical engineering experience with coding, or equivalent experience, plus experience partnering with hardware architecture teams on co-design, accelerator enablement, or performance optimization. Preferred qualifications include seven or more years optimizing high-performance AI systems, expertise in large-scale AI workloads and distributed systems, and a record of leading cross-organization technical initiatives.

Skills

AI Systems Optimization
Hardware-Software Co-Design
Accelerator Enablement
Distributed Training
Distributed Inference
Kernel Optimization
Performance Optimization
PyTorch
Triton
CUDA
ROCm
C++
Python
Quantization
Memory Management
Technical Leadership

Visa sponsorship

Not detected in the job text

Keywords

Artificial Intelligence
Microsoft Azure
AI Accelerators
AI Infrastructure
Hardware-Software Co-Design
Frontier-Scale AI Models
Distributed Computing
High-Performance Computing
C
C++
C#
Java
JavaScript
Python
CUDA
ROCm
Triton
PyTorch
vLLM
SGLang
Kernels
Compilers
Runtimes
Distributed Training
Distributed Inference
Tensor Parallelism
Pipeline Parallelism
Expert Parallelism
Quantization
Mixture of Experts

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