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Added 1 month ago
Cloud COE Architect, IE&O
''
Toronto, ON
Full-time · Other
We are seeking an Cloud COE Architect, Infrastructure Engineering & Operations (IE&O) to join our Global Digital Technology team. Reporting to the Sr Director, IE&O, this role contributes…
Added 2 months ago
Architect, IT Infrastructure & Cloud Strategy
Maple Leaf Foods Inc
Mississauga, ON
Full-time
…platform requirements, and turn ideas into actionable roadmaps, solution options, and executive…
Added 2 months ago
Principal Salesforce Architect (CA)
PointClickCare
Mississauga, ON
Full-time
We are looking for a Principal Salesforce Architect, reporting to the Director – Enterprise Architecture, to work with the IT team, product teams, as well as senior executives to drive the…
Added 1 month ago
Technology Consultant
TELUS Digital
Remote, Canada
$84,000 to $105,000 CAD / year
Full-time · Remote
Welcome to TELUS Digital - where innovation drives impact at a global scale. As an award-winning digital product consultancy and the digital division of TELUS, one of Canada’s largest…
Added 2 months ago
Senior Systems Analyst (SAP BTP)
Lindt & Sprüngli (North America) Inc.
Toronto, ON
Full-time
Work closely with AMS vendors, system integrators, and global teams
Added 1 month ago
Solution Architect
Vendasta
Saskatoon, SK
Full-time
As a Solution Architect, you'll work with the Director of Solution Architecture, R&D, and partner stakeholders to:
Added 1 month ago
Solutions Architect
Hypertec Group
Montreal, QC
Full-time
Join a global company shaping the future with technology that drives lasting impact.
Added 2 months ago
Analyste d'affaires Agile Certifié
CGI
Montreal, QC
Full-time
Minimum de cinq (5) années d'expérience d'analyse d'affaires en lien avec la définition de solution d'affaires
Added 2 months ago
IT Architect, Manufacturing (OT)
Saputo Inc.
Montreal, QC
Full-time
As an IT Infrastructure Architect, you will join a team of Technical Architects that will collaborate with other IT functions (i.e., Security, Digital, Core Infrastructure, PMO and Regional…
Added 2 months ago
IT Architect, Architecture & Analytics – Enterprise Analytics
Saputo Inc.
Montreal, QC · Saint-Laurent, QC
Full-time
…people, and supporting communities around the world . As a top 10 global dairy processor, we value contributions that matter and strive to foster an inclusive, growth-driven work…
Added 2 months ago
IT Architect, Manufacturing (OT)
Saputo Inc.
Georgetown, ON
Full-time
As an IT Infrastructure Architect, you will join a team of Technical Architects that will collaborate with other IT functions (i.e., Security, Digital, Core Infrastructure, PMO and Regional…
Added 2 months ago
Solutions Architect II (Canada)(Higher Ed/SAAS/SIS/ERP)
Ellucian
Canada
Full-time
Our Professional Services team at Ellucian is seeking a Solutions Architect II who will play a key role in shaping the vision and architecture of our solutions across multiple Ellucian…
Added 28 days ago
AI and Data - Manager - AI Engineer
EY
Toronto, ON
At EY, you’ll have the chance to build a career as unique as you are, with the global scale, support, inclusive culture and technology to become the best version of you. And we’re counting…
Added 2 months ago
Director, AI Solutions Architect
Brookfield
Toronto, Ontario
Full-time
…complex business needs into scalable, secure, and governed AI solution designs, including GenAI and agent-based use cases. Partners with business, product, data, engineering, security, and…
Added 2 months ago
Director, Data Solutions Architect
Brookfield
Toronto, Ontario
Full-time
…architecture stakeholders to assess requirements, define end-to-end solution designs, and ensure data capabilities support operational, analytical, and AI use cases. The role is accountable…
Added 2 months ago
Software Engineer - GPU Networking & Distributed Systems
Baseten
Montreal, Quebec
$165,000 to $330,000 USD / year
Full-time
At Baseten, we are building the global operating system for distributed, heterogeneous AI hardware. We believe that as LLM and multi-modal workloads scale, the network is the computer. We…
Added 1 month ago
AI Enablement Technical Lead
Electric Mind
Toronto, ON
Contract
…high-impact challenges for everyone from scaling startups to global enterprises. Each engagement is different, pushing you to learn, adapt, and…
Added 2 months ago
Architecte de solutions (ServiceNow)
CGI
Drummondville, Quebec
Full-time
CGI Montréal is seeking a Solutions Architect to support our clients in digital transformation, service modernization, and business process automation initiatives related to the ServiceNow…
Added 2 months ago
Architecte de solutions
CGI
Montreal, Quebec
Full-time
CGI Montréal is seeking a Solutions Architect who will serve as a strategic partner to both business and technology teams. You will be responsible for designing and evolving solutions that…
Added 2 months ago
Architecte fonctionnel - D365 F&O
CGI
Montreal, Quebec
Full-time
CGI Montreal is looking for a passionate Functional Architect, Microsoft Dynamics 365 (Finance & Operations) to design high-performing, scalable, and secure enterprise solutions. In this…
Added 2 months ago
Architecte technique - D365 F&O
CGI
Montreal, Quebec
Full-time
CGI Montréal is seeking a Technical Architect, Microsoft Dynamics 365 (Finance & Operations) who is passionate about designing high-performing, scalable, and secure architectures. In this…
Added 2 months ago
Solutions Architect
Future Secure AI
Toronto, Ontario
Full-time
We are looking for a Solution Architect to join our delivery team. You will own end-to-end solution design across client engagements - translating complex business requirements into…
Added 3 months ago
Architect, Machine Learning (Principal Scientist)
Kinaxis
Canada
Full-time
In 1984, we started out as a team of three engineers. Today, we have grown to become a global organization with over 2000 employees around the world, 6 global office and a best-in-class HQ…
Added 2 months ago
Solutions Consultant
Deliverect
Toronto, ON
Full-time
…businesses connect with their customers in a rapidly evolving global…
Added 3 months ago
BCG Platinion | Senior AI Tech Architect - AI Platforms
Boston Consulting Group (BCG)
Toronto, Ontario
$160,000 CAD / year
Full-time
Boston Consulting Group (BCG) is a global consulting firm that partners with leaders in business and society to tackle their most important challenges and capture their greatest…

Baseten

Software Engineer - GPU Networking & Distributed Systems

Montreal, QC, Canada

Pay: $165,000 to $330,000 USD / year
Job type: Full-time
Posting language: English
Posted: Jul 10, 2026

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Original job description

About Baseten

Baseten powers mission-critical inference for the world's most dynamic AI companies, like Cursor, Notion, OpenEvidence, Abridge, Clay, Gamma and Writer. By uniting applied AI research, flexible infrastructure, and seamless developer tooling, we enable companies operating at the frontier of AI to bring cutting-edge models into production. We're growing quickly and recently raised our $1.5B Series F, led by Altimeter Capital, Conviction Partners, and Spark Capital. Join us and help build the platform engineers turn to to ship AI products.

At Baseten, we are building the global operating system for distributed, heterogeneous AI hardware. We believe that as LLM and multi-modal workloads scale, the network is the computer. We are looking for foundational engineers to lead our GPU Networking efforts, making RDMA a first-class building block in our infrastructure and unlocking the next generation of distributed inference optimizations.

THE OPPORTUNITY

Networking and compute are no longer separate disciplines; they are converging. The massive throughput of H100, B200, and NVL72 architectures enables and demands a new approach where communication is co-optimized alongside computation. We are entering an era where the network is an active accelerator, leveraging smart hardware offloads and direct interconnects to ensure that data movement operates at wire-speed.

In this role, you will go beyond network configuration to architect the software fabric that unifies thousands of GPUs into a cohesive operating system. While you will leverage the best of the open-source ecosystem, you won't be limited by it. Where off-the-shelf solutions stop, you will build from scratch, engineering the primitives required to co-optimize communication and compute for Disaggregated Serving, Wide Expert Parallelism (WideEP), and lightening cold starts.

What You'll Do

Make RDMA First-Class: You will work on integrating RDMA/RoCE/InfiniBand capabilities directly into our inference stack, helping us move beyond TCP/IP to unlock order-of-magnitude improvements in bandwidth and latency.
Optimize Distributed Inference: You will implement and tune the networking layers necessary for efficient Disaggregated KV Cache Offload and WideEP, ensuring seamless communication across NVLink and InfiniBand for our MoE models.
Enable Serverless-Grade Startup Speeds for LLMs: You will work deeply with checkpointing and storage mechanisms to enable sub-10-second startup for trillion-parameter models.
Deep-Dive into Hardware: You will characterize and validate networking performance on bleeding-edge clusters (H100/H200, B200/B300, GB200/300 NVL72), writing the acceptance tests that ensure our hardware delivers peak achievable throughput and minimal latency.
Build Observability: You will design the tools that let us visualize packet flow, congestion, and effective bandwidth across the GPU interconnects, helping us diagnose complex distributed system behaviors.
Optimize Kernels: You will work with communication libraries (NCCL, NVSHMEM) and potentially write custom communication kernels to overlap compute and data transfer.

Who You Are

You have deep experience with high-performance networking protocols (InfiniBand, RoCE v2) and understand the physics of data movement.
You are fluent in C++ or Python, with the ability to bridge the gap between high-level logic and hardware. You have a deep understanding of the memory hierarchy in modern NVIDIA architectures (H100/Blackwell) and know how to optimize for it.
You like going deep. You aren't afraid to dive into TensorRT-LLM source code, write custom C++ / Python bindings, or debug NVLink topology issues.
You know when to use an off-the-shelf solution and when we need to build a custom solution because the upstream tools (like standard Kubernetes networking) are too slow for our needs.

HIGHLY PREFERRED:

Deep knowledge of NCCL, NVSHMEM, and UCX.
Experience with GPUDirect Storage (GDS) or high-performance filesystems like Weka or 3FS.
Familiarity with TensorRT-LLM, vLLM, or Sglang.
Experience running low-level benchmarks to "qualify" new hardware clusters.

Why join the Model Performance team?

Bleeding Edge Hardware: We are preparing to bring Blackwell (B200/B300) and then Rubin architectures online. You will be one of the first engineers in the industry optimizing networking for NVL72/GB300 racks.
We go deep: We operate at every depth. Whether it’s tuning hardware interconnects, writing custom communication kernels, or designing distributed inference strategies, we work across the entire stack to deliver performance that goes far and beyond.
High Impact: The networking optimizations you build will directly enable features that no one else in the industry has fully mastered yet, like seamless multi-node WideEP and instant model hydration.

Benefits

Competitive compensation, including meaningful equity.
100% coverage of medical, dental, and vision insurance for employee and dependents
Flexible PTO policy including company wide Winter Break (our offices are closed from Christmas Eve to New Year's Day!)
Paid parental leave
Fertility and family-building stipend through Carrot
Company-facilitated 401(k)
Exposure to a variety of ML startups, offering unparalleled learning and networking opportunities.

Apply now to embark on a rewarding journey in shaping the future of AI! If you are a motivated individual with a passion for machine learning and a desire to be part of a collaborative and forward-thinking team, we would love to hear from you.

At Baseten, we are committed to fostering a diverse and inclusive workplace. We provide equal employment opportunities to all employees and applicants without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status.

We are an Equal Opportunity Employer and will consider qualified applicants with criminal histories in a manner consistent with applicable law (by example, the requirements of the San Francisco Fair Chance Ordinance, where applicable).

Compensation Range: $165K - $330K

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More about this job

Responsibilities

You will architect the software fabric that unifies thousands of GPUs into a cohesive operating system, integrating RDMA capabilities into the inference stack. Additionally, you will optimize distributed inference and enable serverless-grade startup speeds for large language models.

Requirements

Candidates should have deep experience with high-performance networking protocols and be fluent in C++ or Python. A strong understanding of modern NVIDIA architectures and the ability to optimize for them is also essential.

Skills

High-Performance Networking Protocols
C++
Python
Memory Hierarchy
TensorRT-LLM
NCCL
NVSHMEM
UCX
GPUDirect Storage
High-Performance Filesystems
Distributed Inference
Networking Layers
Data Movement
Custom Communication Kernels
Observability Tools
Acceptance Tests

Benefits

Competitive Compensation
Health Insurance
Flexible PTO
Paid Parental Leave
Fertility and Family-Building Stipend
401k

Visa sponsorship

Not detected in the job text

Keywords

Software Engineer
GPU Networking
Distributed Systems
AI
Inference
RDMA
RoCE
InfiniBand
TCP/IP
Disaggregated Serving
Wide Expert Parallelism
Checkpointing
Storage Mechanisms
Networking Performance
Bleeding-Edge Clusters
Packet Flow
Congestion
Effective Bandwidth
Communication Libraries
Custom Communication Kernels
NVIDIA
H100
B200
NVL72
TensorRT
Model Performance
Blackwell
Rubin Architectures
High Impact

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