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Added 12 mins ago
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Solutions Architect
NULogic
Canada
- Contract
MFCS / IMCS / RESA Solution Architect – Techno/Functional Lead
Added 12 mins ago
RH
Supply Chain Manager
Robert Half
Toronto, ON · Greater Toronto Area, Canada
- $130,000 to $140,000 CAD / year
- Full-time
Lead the site Supply Planning team and planning processes.
Added 12 mins ago
TH
Mental Health Clinician (Full Time) - Insight Health Solutions
Trillium Health Partners
ON · ON, Canada
- Full-time
…health portfolio. An integral member of the interdisciplinary team is the Mental Health Clinician. The mental health clinician will play a key role in the assessment and treatment of…
Added 26 mins ago
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Process Engineering Team Lead
AtkinsRéalis
Toronto, ON
- Full-time
We're AtkinsRéalis, a world-class engineering services and nuclear organization. We connect people, data and technology to transform the world's infrastructure and energy systems. Together,…
Added 41 mins ago
NT
UX/UI Designer, HCI & Interaction Design
NEARSOURCE TECHNOLOGIES
Toronto, ON
- Full-time
Lead UX and UI design for complex, data-rich applications involving 3D building models, linked project data, schedules, timelines, progress comparisons, video, drone capture, and knowledge…
Added 41 mins ago
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Warehouse Supervisor
Factor_
Calgary, AB
- Full-time
Factor Canada is seeking a Warehouse Supervisor to join our team at our Distribution Centre. Reporting to the Sr. Manager Production, you will lead a team of warehouse associates and leads…
Added 1 hour ago
Electronic Equipment Design Assurance (EEDA) Engineering Specialist
Westerkirk
Calgary, AB · Victoria, BC · Mississauga, ON
…will perform technical and process assessments of electronic systems certification data constituting of both software and airborne electronic hardware to ensure compliance with…
Added 1 hour ago
Clinical Skills & Simulation Technician
Cape Breton University
Sydney Indian Reserve No. 28A, NS · Sydney, NS
Under the direction of the Clinical Skills and Simulation Centre Lead, provide technical support for all simulation operations, including preparation, maintenance, and repair of…
Added 1 hour ago
SI
Hardware Engineering, Staff Engineer- 19028
Synopsys Inc
Ottawa, ON · Nepean, ON
- Full-time
…Intelligence, from self-driving cars to learning machines. We lead in chip design, verification, and IP integration, empowering the creation of high-performance silicon chips and software…
Added 1 hour ago
BG
Senior Manager - HR
Bondada Group
Burlington, ON
- Full-time
Bondada Group is looking for an experienced Business HR Lead to partner with business leaders and drive workforce planning, recruitment, deployment, and talent management across the…
Added 1 hour ago
RM
Supervisor, Centralized Scheduling
Ross Memorial Hospital
Kawartha Lakes, ON · Lindsay, ON
- Full-time
Lead or participate in process improvement initiatives that enhance scheduling efficiency, data accuracy, and service quality.
Added 1 hour ago
SP
Software Engineering SMTS
Salesforce Partner Canada
Toronto, ON
- Full-time
The Experience The Agentic Setup team builds AI agents, on a skills based architecture, that turn expert only, multi step product configuration, Org troubleshooting and management into…
Added 1 hour ago
HT
Software Validation Technologist
Husky Technologies
Bolton, ON
- Full-time
…offers an opportunity to work with – and be challenged by – a team of great people. Our success is possible because of the creativity, intelligence and passion of our people around the…
Added 2 hours ago
OA
Controller
Ontario Aboriginal Housing Services
ON · Ontario, Canada
- Full-time
manage the accounting and IT teams, and act as a key operational lead in modernizing our core systems.
Added 2 hours ago
C
Union Assistant Shift Engineer
CBRE
Mississauga, ON
- Full-time
…management solutions to our clients. We focus on empowering our team with a high-level of downstream accountability, resulting in an agile and efficient service…
Added 2 hours ago
C
Union Assistant Shift Engineer
CBRE
Mississauga, ON
- Full-time
…management solutions to our clients. We focus on empowering our team with a high-level of downstream accountability, resulting in an agile and efficient service…
Added 2 hours ago
WI
Project Manager, Power Delivery (Data Centres)
WSP in Canada
Toronto, ON
- Full-time
Support and/or lead the early development and planning phases of Data Centre project or program
Added 2 hours ago
VA
Manager, Compensation and Benefits
Vancouver Airport Authority
Vancouver, BC
- Full-time
…employees. The Manager brings together market insights, workforce data, employee experience and financial analysis to shape practical total rewards strategies for a unionized and…
Added 2 hours ago
K
Consultant, Cybersecurity
KPMG
Calgary, AB
- Full-time
Our Calgary team is looking for a highly motivated Cyber Security professional at the Consultant level to join our team! As a member of KPMG Canada’s cross-functional Cyber team, you will…
Added 2 hours ago
TU
Finance and Administrative Coordinator
The University of British Columbia
Vancouver, BC
- $4,719 to $4,960 CAD / month
- Full-time
Supports Society and Development Lead by providing data and information relevant to the creation and execution of marketing campaigns,
Added 2 hours ago
TR
Senior Geologist Supervisor
Teck Resources Limited
Kamloops, BC
- $138,000 to $170,000 CAD / year
- Full-time
Mentor and support geologists and technicians while driving continuous improvement in workflows, QA/QC, and data systems
Added 2 hours ago
NB
LEAD PYTHON DEVELOPER – IT TREASURY PLATFORMS
National Bank of Canada
Montreal, QC
- Full-time
A career as a Lead Python Chief Principal Developer in the Treasury IT team at National Bank means acting as a hands-on technical leader for modern technology platforms. This job allows you…
Added 2 hours ago
NE
Global Director of Impact & Knowledge Management
New Energy Nexus
Remote, Canada
- Full-time
- Remote
Lead the organization-wide knowledge management structure, data systems, and AI strategy for the purposes of MEL, program design, and stakeholder management, ensuring information on program…
Added 2 hours ago
Salesforce Technical Architect - Financial Services Cloud, Marketing Cloud & Data360 - Manager
EY
Toronto, ON · Montreal, QC
…Salesforce Financial Services Cloud (FSC), Marketing Cloud, Data 360 (Formerly Data Cloud), Agentforce, and AI-enabled ways of…
Added 3 hours ago
NR
Program Specialist
Niagara Region
ON · Niagara, ON
- Full-time
Lead and deliver complex strategic projects (including planning, implementation, and evaluation) aligned with departmental and organizational priorities, ensuring successful project…

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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