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Added 4 mins ago
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Senior Manager, Delivery Portfolio Management (OneStream)
Clearsulting
Toronto, ON
- Full-time
Collaborate with technical, functional, and cross-practice teams to deliver integrated Finance Transformation solutions and successful client outcomes.
Added 34 mins ago
UO
Senior Advanced Research Computing Systems Administrator
University of Victoria
Victoria, BC
- Internship
Reporting to the Manager and Architect of Advanced Research Computing Infrastructure, the Senior Advanced Research Computing Systems Administrator works as part of a team to design, build,…
Added 1 hour ago
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Software Engineer - GPU Networking & Distributed Systems
Baseten
Montreal, QC
- $165,000 to $330,000 USD / year
- Full-time
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…
Added 1 hour ago
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Forward Deployed Engineer
Baseten
Toronto, ON
- $165,000 to $330,000 USD / year
- Full-time
As a Forward Deployed Engineer at Baseten, you will partner directly with customers to architect, build, and deploy high-scale production AI applications on Baseten’s platform. You’ll own…
Added 1 hour ago
B
Software Engineer - GPU Networking & Distributed Systems
Baseten
Toronto, ON
- $165,000 to $330,000 USD / year
- Full-time
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…
Added 1 hour ago
M
Sr. Network Security Specialist
McKesson
Mississauga, ON
- Full-time
Architect and optimize firewall and perimeter security capabilities, including Palo Alto Networks, Zscaler, HPE Aruba EdgeConnect, secure internet gateways, and web proxy solutions.
Added 1 hour ago
C
Telecommunications Architecture Advisor
COFOMO
Quebec, QC
- Full-time
Design and certify telecommunications architectures and solutions, including local and wide area networks, telephony, video communications and data transmission services.
Added 1 hour ago
C
Technology Integration Architect
COFOMO
Quebec, QC
- Full-time
Concrete achievements related to the implementation or evolution of complex technological solutions;
Added 3 hours ago
LI
IT Enterprise Architect/Strategist
Lotus IT Solutions
Toronto, ON
- Contract
The Ministry of Public and Business Service Delivery and Procurement is seeking a Senior IT Enterprise Architect/Strategist to join the Enterprise Technology & Digital Standards (ETS) team…
Added 3 hours ago
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IMA Systems Architect
MANNARINO
Montreal, QC
- Full-time
Ensure technical solutions align with aviation standards, platform constraints, and operational requirements.
Added 3 hours ago
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AI DevOps Specialist (AI Enablement & Secure DevOps)
Experis
Canada
- Contract
Operational Scope: Support across global Hardware Platform Solutions (HPS) Design Centers and secure testing labs (including the Hardware Platform Solutions (HPS) Innovation Lab and local…
Added 3 hours ago
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Senior Program Manager, Talent Development
Twilio
Remote, Canada
- Full-time
- Remote
Act as a strategic advisor to HRBPs and senior leaders, establishing an organization-wide mandate to assess capability gaps and deploy targeted learning solutions globally.
Added 3 hours ago
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Product Owner – AI & Digital Innovation (Quality Control)
Roche
Mississauga, ON · Canada Pharma Campus
- Full-time
An integral part of achieving this vision is delivering innovative data solutions to the Pharma Technical Operations Quality and Compliance (PTQ) organization. Working at the direct…
Added 4 hours ago
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Software Engineer - C++ / Python / Android / Java L1
Wipro
Ottawa, ON
- Full-time
Collaborate with cross-functional teams to understand requirements, implement solutions, and deliver high-quality software.
Added 4 hours ago
R
Sr. Salesforce Administrator/ Business Analyst
Recfront
Toronto, ON
- Contract
…successful candidate will assess business needs, recommend scalable solutions, and prioritize native Salesforce capabilities before custom…
Added 4 hours ago
ES
Expert(e) Réseaux & Sécurité Senior - Senior Network & Security Expert - Montréal
Equans Services Canada & US
Montreal, QC
- Full-time
Equans designs, installs, and delivers customized solutions to improve its customers’ equipment, systems and technical processes and optimize their use in the context of their energy,…
Added 4 hours ago
AI
Service Delivery Manager (French)
Apptoza Inc.
Montreal, QC
- Full-time
Microsoft Certified: Azure Solutions Architect Expert.
Added 4 hours ago
UC
AI Developer
UniSysTech Consulting
Toronto, ON · Greater Toronto and Hamilton Area, ON
- Other
…enterprise-grade Artificial Intelligence and Machine Learning solutions. In this role, you will focus on building intelligent back-end systems, automated workflows, and scalable AI…
Added 4 hours ago
CO
Application & Integration Technical Analyst
City of Saint John
Saint John, NB
- Full-time
…(i.e., cloud-based) and on-premise applications, modern ERP solutions, integrations, data management, and reporting platforms. This role reinforces the organization’s transition to modern…
Added 4 hours ago
C
Expert System Architecture
CN
Toronto, ON
- Full-time
…and operational requirements into scalable and maintainable solutions aligned with enterprise standards and solution architecture direction. The incumbent collaborates with Solution…
Added 4 hours ago
A
Bilingual IVR Automation Tester (French & English) || Fulltime || Toronto, ON
AceStack
Toronto, ON
- Full-time
Perform functional, integration, regression, and end-to-end testing of IVR systems and contact centre solutions.
Added 4 hours ago
D
Dayforce Manager
Deloitte
Toronto, ON
- Full-time
Lead and oversee the end-to-end implementation of Dayforce HCM solutions.
Added 4 hours ago
T
SAP Finance Domain Architect
Talan
Toronto, ON
- $170,000 to $200,000 CAD / year
- Full-time
Our value proposition is built on a structured innovation ecosystem: 2,500 Data & AI experts, proprietary solutions built on advanced models, and an applied research, experimental…
Added 4 hours ago
FI
Application Architect
Flexstaf I.T. Inc.
Toronto, ON
- Contract
…utilize their resources and knowledge to identify high quality solutions; high initiative and ability to prioritize in a high-pressure environment and ability to work on simultaneous…
Added 4 hours ago
K
Learning Solutions Architect
Kelly
Toronto, ON
- Contract
We are seeking an experienced Learning Solutions Architect to lead the development and execution of innovative learning strategies, programs, and roadmaps within a large enterprise…

Baseten

Software Engineer - GPU Networking & Distributed Systems

Toronto, ON, Canada

$165,000 to $330,000 USD / year · Full-time

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Job details

Pay: $165,000 to $330,000 USD / year
Job type: Full-time
Apply by: Nov 28, 2026
Posting language: English
Posted: Oct 30, 2026

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 ship AI products.

THE ROLE

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.

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.

Responsibilities

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.

Requirements

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.

NICE TO HAVE

Deep knowledge of NCCL, NVSHMEM, and UCX.
Experience with Rust for systems-level or performance-critical networking code is a strong plus
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.

THE 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
(U.S. only) 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
(U.S. only) 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

Integrate and optimize RDMA-based networking and communication layers for distributed inference, including disaggregated KV cache offload and Wide Expert Parallelism, while tuning performance across GPU interconnects. Validate next-generation GPU clusters, build networking observability and acceptance tests, and optimize communication libraries or kernels to improve throughput, latency, and model startup times.

Requirements

Candidates should have deep experience with high-performance networking protocols such as InfiniBand and RoCE v2, fluency in C++ or Python, and a strong understanding of modern NVIDIA GPU memory hierarchies. They should be comfortable debugging and optimizing across the software and hardware stack; experience with NCCL, NVSHMEM, UCX, Rust, GPUDirect Storage, high-performance filesystems, or inference frameworks is an advantage.

Skills

High-Performance Networking
InfiniBand
RoCE v2
C++
Python
GPU Networking
Distributed Systems
NVIDIA GPU Architecture
RDMA
NCCL
NVSHMEM
UCX
TensorRT-LLM
GPUDirect Storage
Performance Benchmarking
Distributed Inference

Benefits

Equity
Medical Insurance
Dental Insurance
Vision Insurance
Flexible Paid Time Off
Company-Wide Winter Break
Paid Parental Leave
Fertility and Family-Building Stipend
401(k)

Visa sponsorship

Not detected in the job text

Keywords

GPU Networking
Distributed Systems
RDMA
RoCE v2
InfiniBand
C++
Python
Rust
NVIDIA H100
NVIDIA H200
NVIDIA Blackwell
NVLink
NCCL
NVSHMEM
UCX
TensorRT-LLM
vLLM
SGLang
GPUDirect Storage
Weka
3FS
Kubernetes Networking
Distributed Inference
Disaggregated KV Cache Offload
Wide Expert Parallelism
Mixture-of-Experts Models
Communication Kernels
Performance Benchmarking
GPU Memory Hierarchy
Network Observability

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