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Added 2 mins ago
EN
Principal Wireless SW Engineer
Extreme Networks
Toronto, ON
- Full-time
The role serves as a senior Engineering representative to strategic global customers, combining deep expertise in embedded software, wireless connectivity, networking, and system-level…
Added 2 mins ago
CS
Drafting Manager
CQ Search Group Ltd.
Mississauga, ON
- $90,000 to $100,000 CAD / year
- Full-time
Prepare accurate shop, fabrication, and installation drawings for curtain walls, windows, and other facade systems.
Added 2 mins ago
HT
PD Software for Service
Husky Technologies
Bolton, ON
- Full-time
…passion of our people around the world and their desire to lead change. At the same time, we are not afraid to expect a lot and strive for leadership in all of our key markets. We are a…
Added 2 mins ago
HT
Applications Engineer
Husky Technologies
Bolton, ON
- Full-time
Lead end-to-end innovation and engineering initiatives, from concept ideation and prototyping through proof-of-concept validation, product development, and commercialization.
Added 2 mins ago
HT
Mechanical Designer (Fluidpower)
Husky Technologies
Bolton, ON
- Full-time
Lead engineering design as part of the product development process by focusing on systems level and concept design. Translating product definition into high quality, reliable and…
Added 2 mins ago
HT
Test Engineering Technologist - Process Packaging
Husky Technologies
Bolton, ON
- Full-time
To accelerate time-to-market with effective solutions that keep our customers in the lead, we leverage a powerful risk prioritized product development process. The Test Engineering…
Added 2 mins ago
HT
Advanced Applications Blow Molding Specialist
Husky Technologies
Bolton, ON
- Full-time
…passion of our people around the world and their desire to lead change. At the same time, we are not afraid to expect a lot and strive for leadership in all of our key markets. We are a…
Added 2 mins ago
HT
Test Engineering Technologist
Husky Technologies
Bolton, ON
- Full-time
To accelerate time-to-market with effective solutions that keep our customers in the lead, we leverage a powerful risk prioritized product development process.The Test Engineering…
Added 2 mins ago
HT
Software Validation Technologist
Husky Technologies
Bolton, ON
- Full-time
…passion of our people around the world and their desire to lead change. At the same time, we are not afraid to expect a lot and strive for leadership in all of our key markets. We are a…
Added 2 mins ago
HT
Designer, Development (Mechanical)
Husky Technologies
Bolton, ON
- Full-time
…passion of our people around the world and their desire to lead change. At the same time, we are not afraid to expect a lot and strive for leadership in all of our key markets. We are a…
Added 2 mins ago
HT
Product Development Engineer
Husky Technologies
Bolton, ON
- Full-time
Our Development Engineering team is looking to hire an experienced Product Development Engineer. The successful candidate will lead the technical development of packaging products working…
Added 2 mins ago
S
Product Specialist - Risk and Performance
SimCorp
Toronto, ON
- Full-time
Join some of the most innovative thinkers in FinTech as we lead the evolution of financial technology. If you are an innovative, curious, collaborative person who embraces challenges and…
Added 2 mins ago
HT
Designer, Development (Electrical)
Husky Technologies
Bolton, ON
- Full-time
…designing and delivering robust, safe and reliable electrical systems – from concept through validation and release to manufacturing. The secret to our success is our high-performance…
Added 3 mins ago
Engineer
Toronto Hydro
Toronto, ON
Reporting to the Manager, Engineering, Engineering Policy and Product Change, the Engineer is responsible for providing a broad range of engineering support services to ensure the technical…
Added 33 mins ago
C&
Electrical and Instrumentation Supervisor
Cain & Associates
ON · Kenora, ON
- $95,000 to $135,000 CAD / year
- Full-time
We are seeking an experienced Electrical & Instrumentation Supervisor to lead electrical and instrumentation maintenance activities within a fast-paced industrial manufacturing environment.
Added 48 mins ago
S
Software Engineering SMTS
Salesforce
Toronto, ON · Canada - Toronto
- Full-time
…capability and skill design, evaluation infrastructure, and the systems that let agents find and act on the right data.We are looking for a Lead Software Engineer to help us build agentic…
Added 1 hour ago
IG
Network Operations Engineer
Insight Global
Vancouver, BC
- $65 to $75 CAD / hour
- Contract
…platforms and core infrastructure independently that enable engineering velocity and operational excellence. You will engineer Kubernetes platforms and container orchestration solutions,…
Added 1 hour ago
B
Software Engineer - GPU Networking & Distributed Systems
Baseten
Montreal, QC
- $165,000 to $330,000 USD / year
- Full-time
…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…
Added 1 hour ago
B
Security Engineer
Baseten
Montreal, QC
- $150,000 to $250,000 USD / year
- Full-time
Security architecture and design: Collaborate with engineering teams to design and implement secure systems and infrastructure, including cloud (AWS/GCP) environments and container…
Added 1 hour ago
B
Software Engineer - Voice AI (Inference Runtime)
Baseten
Montreal, QC
- $165,000 to $330,000 USD / year
- Full-time
…stack to power Voice AI models - from product roadmap through engineering implementation. You’ll partner closely with Forward Deployed Engineers, Model Performance Engineers, and sister…
Added 1 hour ago
A
Validation Specialist
Actalent
Cambridge, ON
- $35 to $50 CAD / hour
- Contract
Develop and execute validation plans, protocols, and reports for automated equipment and production systems.
Added 1 hour ago
B
Software Engineer - Model Performance Systems
Baseten
Montreal, QC
- $165,000 to $330,000 USD / year
- Full-time
…high-performance computing (HPC) and Large Language Model (LLM) engineering. You will not just be building the automated "speedometer and diagnostic" suite for our next-generation AI…
Added 1 hour ago
A
Validation Specialist
Actalent
Cambridge, ON
- $35 to $50 CAD / hour
- Contract
Develop and execute validation plans, protocols, and reports for automated equipment and production systems.
Added 1 hour ago
B
Security Engineer
Baseten
Toronto, ON
- $150,000 to $250,000 USD / year
- Full-time
Security architecture and design: Collaborate with engineering teams to design and implement secure systems and infrastructure, including cloud (AWS/GCP) environments and container…
Added 1 hour ago
A
Electrical Engineer
Actalent
Toronto, ON
- $52 to $72 CAD / hour
- Full-time
Join a leading consulting engineering firm specializing in renewable energy and utility infrastructure projects, including Battery Energy Storage Systems (BESS), wind, solar, and…

Baseten

Software Engineer - GPU Networking & Distributed Systems

Montreal, QC, 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 for distributed inference, including disaggregated KV cache offload and Wide Expert Parallelism, while tuning communication across NVLink and InfiniBand. Validate performance on advanced GPU clusters, build networking observability and acceptance tests, and optimize communication libraries or custom 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 systems across the software and hardware stack; experience with NCCL, NVSHMEM, UCX, Rust, GPUDirect Storage, high-performance filesystems, or inference frameworks is an advantage.

Skills

RDMA
InfiniBand
RoCE v2
C++
Python
GPU Networking
Distributed Systems
NCCL
NVSHMEM
UCX
TensorRT-LLM
GPU Memory Hierarchy
Distributed Inference
Performance Benchmarking
GPUDirect Storage
Rust

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

RDMA
RoCE v2
InfiniBand
GPU Networking
Distributed Systems
Distributed Inference
Disaggregated KV Cache Offload
Wide Expert Parallelism
NVLink
NCCL
NVSHMEM
UCX
C++
Python
Rust
TensorRT-LLM
vLLM
SGLang
GPUDirect Storage
Weka
3FS
H100
H200
Blackwell
B200
B300
GB200 NVL72
GPU Communication Kernels
High-Performance Benchmarking
Kubernetes Networking

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