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Added 2 mins ago
RD
Full Stack Engineer
Randstad Digital
Toronto, ON · Greater Toronto Area, Canada
- Full-time
…Big Banking/Insurance environments may not offer the required hardware/IoT interface…
Added 2 mins ago
BS
HIL Simulation Controls Engineer
Bartech Staffing
Toronto, ON · Greater Toronto Area, Canada
- $48 to $50 CAD / hour
- Contract
…engaged us to assist them in hiring a contract HIL Controls Engineer in Oshawa, Ontario. If you are interested in an opportunity to get your foot in the door with leading company, we want…
Added 3 mins ago
Co-op, Electrical Engineer
Enedym Inc
Hamilton, ON
…Engineering co-op to join our team and play a critical role in our hardware development. The ideal candidate will combine computer-based electronics design with hands-on assembly, testing,…
Added 18 mins ago
GM
2027 Winter Co-op Vehicle Experience Software Developer
General Motors
Markham, ON
- Full-time
Our vehicle communication team is hiring a software engineer to design and develop software in our Linux-based connectivity system. You'll be part of a team working to ship the world's most…
Added 1 hour ago
ME
Lead Systems Engineer
Moment Energy
Surrey, BC
- Full-time
We're looking for a Lead Systems Engineer to own the architecture and technical backbone of our BESS platform - bridging electrical, mechanical, software, battery, and controls into one…
Added 1 hour ago
LM
Systems Engineer Stf- Integrated Communication and Information System
Lockheed Martin
Ottawa, ON
- Full-time
Possess a bachelor’s degree from an accredited university in software, hardware, systems, mechanical, electrical or electronics engineering or a related discipline
Added 2 hours ago
E
Software Engineer (4) - Premium Engineer 2
EPITEC
Ottawa, ON · Kanata, ON
- Contract
Epitec is seeking an experienced Software Engineer (Premium Engineer 2) to join a team focused on the development of cutting-edge embedded software for next-generation infotainment systems.…
Added 2 hours ago
AL
Radio Frequency Planning Engineer
Artech L.L.C.
Mississauga, ON
- Contract
Create and validate RF and technical Bills of Materials, ensuring consistency with planning specifications, FCDs, SC6 reports, and approved hardware configurations.
Added 2 hours ago
AL
Microwave Engineer
Artech L.L.C.
Mississauga, ON
- Contract
Plan hardware/software upgrades, migrations, and network decommissioning activities.
Added 3 hours ago
BD
Mechanical Engineer
Bulwark Dynamics
Toronto, ON · Greater Toronto Area, Canada
- Full-time
This is a full-time, on-site role in the Bay Area, CA for a Mechanical Engineer specializing in structural fabrication, actuation, and prototype assembly. You will report directly to our…
Added 4 hours ago
G
Senior Software Developer, Mobile (iOS), Platforms and Devices
Google
Waterloo, ON
- Full-time
…mobile; the list goes on and is growing every day. As a software engineer, you will work on a specific project critical to Google’s needs with opportunities to switch teams and projects as…
Added 5 hours ago
KC
Senior Embedded Software Designer
Kepler Communications Inc.
Toronto, ON
- Full-time
We're on the hunt for a top-tier Senior Embedded Software Engineer. Your focus will be on software development and maintenance required for both space and ground-based assets for a growing…
Added 7 hours ago
A
Software Engineer - Apple, Inc.
Apple
Vancouver, BC
- Full-time
Added 8 hours ago
RR
Hardware Test Engineer
Remote Robotic
Ottawa, ON · Kanata, ON
- $82,000 to $100,000 CAD / year
- Full-time
AirMetal is looking for a Test Engineer, FPV Electronics to develop the systems that validate the performance, reliability, and quality of our FPV and uncrewed-aircraft electronics.
Added 8 hours ago
AN
Senior Software Engineer, Linux Kernel
Arista Networks
Vancouver, BC
- Full-time
…You will also help to bring-up and qualify new CPUs in our hardware…
Added 8 hours ago
AN
Senior/Lead Software Engineer (Packet Forwarding Engines)
Arista Networks
Vancouver, BC
- Full-time
…good understanding of ASIC-based packet forwarding engines, hardware components (like temperature sensors, fan controllers, etc), board system management software, how the software that…
Added 8 hours ago
AN
Senior/Lead Software Engineer
Arista Networks
Vancouver, BC
- Full-time
Ability to utilize, test, and debug packet forwarding engine and a hardware component’s vendor provided software libraries in your solutions.
Added 8 hours ago
AN
BIOS Senior/Lead Software Engineer
Arista Networks
Vancouver, BC
- Full-time
…level firmware into Arista products. You will work closely with hardware engineers to bring up, validate and test new CPUs in our hardware…
Added 8 hours ago
AN
PCIe Senior/Lead Software Engineer
Arista Networks
Vancouver, BC
- Full-time
Operating right where hardware meets software, the Platform team builds the foundation for our networking ASICs and supporting infrastructure. PCIe software engineers write the code that…
Added 8 hours ago
AN
Senior/Lead Software Engineer, Layer1
Arista Networks
Vancouver, BC
- Full-time
As a Layer1 software engineer, you will get to work on software that manages the physical layer, where packets meet the outside world. Stable and reliable physical connectivity is critical…
Added 9 hours ago
VT
Warranty Engineer
Veridian Tech Solutions, Inc.
Markham, ON
- Contract
The Warranty Engineer is responsible for overseeing the day-to-day warranty tickets, preparing reports, driving parts and cost related analysis.
Added 11 hours ago
HR
Software Analyst
Hitachi Rail
Toronto, ON
- Full-time
Produce and execute integration tests on simulated environments and target hardware test benches.
Added 11 hours ago
HR
Software Analyst
Hitachi Rail
Toronto, ON
- Full-time
Produce and execute integration tests on simulated environments and target hardware test benches.
Added 11 hours ago
Q
Design Verification Engineer - Memory Subsystem (Vancouver OR Markham)
Qualcomm
Markham, ON · Vancouver, BC
- Full-time
Qualcomm is seeking a motivated and experienced Design Verification Engineer to join its memory subsystem verification team. The successful candidate will be responsible for developing and…
Added 12 hours ago
A
Hardware Engineer
Actalent
Ottawa, ON
- $55 to $65 CAD / hour
- Full-time
We are expanding our hardware engineering team with Electrical Power Systems Engineers who will design and develop next-generation AC/DC and DC/DC power supply solutions for high-demand…

Baseten

Software Engineer- Inference Performance

Montreal, QC, Canada

$180,000 to $360,000 USD / year · Full-time

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Job details

Pay: $180,000 to $360,000 USD / year
Job type: Full-time
Apply by: Nov 4, 2026
Posting language: English
Posted: Oct 5, 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

We're looking for inference performance engineers who want to make the world's most demanding AI workloads run faster and more efficiently. You'll work across the stack, from the inference engine and runtime through scheduling, serving, and routing. Along the way you'll apply techniques like prefill/decode disaggregation, speculative decoding, and KV-cache management. You'll reason from first principles about where time and memory go, find what's holding performance back, and close the gap. Your work directly impacts how fast our customers' models run and how efficiently we serve them. This role is ideal for someone who thrives in a fast-paced startup environment and is eager to make significant contributions to the exciting field of LLM inference.

EXAMPLE INITIATIVES

You'll get to work on these types of projects as an Inference Performance engineer:

Agentic Kernels in Production
How we built the new fastest API for GLM-5.2
Live draft model training for speculative decoding
Making Kimi K3 Tokenization 18x faster
The Baseten Inference Stack
Driving model performance optimization

Responsibilities

Implement and productionize cutting-edge inference techniques, working deep in runtime internals. That includes quantization, speculative decoding, KV-cache reuse, chunked prefill, LoRA, guided generation for structured outputs, and custom scheduling and routing algorithms.
Profile and optimize inference end to end, from kernel launch overhead and memory layout up to request scheduling, prefill/decode disaggregation, and cache-aware routing. Run cross-layer investigations, such as tracing a tail-latency regression from request timing through routing and batching down to a kernel.
Turn performance into cost savings. Improve tokens per GPU-hour, raise utilization, and give customers and internal teams clear latency/throughput/cost tradeoffs.
Bring up and tune new model architectures on new hardware quickly, often in the same week they're released.
Build benchmarking frameworks that measure real-world performance across model architectures, batch sizes, sequence lengths, and hardware configurations.
Contribute upstream to open-source inference engines (vLLM, SGLang, TensorRT-LLM), and partner closely with model, infrastructure, and customer-facing teams to ship wins.

Requirements

Bachelor's, Master's, or Ph.D. degree in Computer Science, Engineering, Mathematics, or related field.
Experience with one or more general-purpose programming languages, such as Python or C++.
Familiarity with LLM optimization techniques (e.g., quantization, speculative decoding, continuous batching).
Strong familiarity with ML libraries, especially PyTorch, TensorRT, or TensorRT-LLM.
Demonstrated interest and experience in LLMs.
Deep understanding of GPU architecture.

NICE TO HAVE

Proficiency in enhancing the performance of software systems, particularly in the context of large language models (LLMs)
Contributed to vLLM, SGLang, TensorRT-LLM, or another inference engine.
Worked on large-scale distributed serving: autoscaling, load balancing, multi-region or multi-cloud capacity.
Written or optimized GPU kernels (CUDA, Triton, CUTLASS, or similar)
Worked on quantization (FP8/FP4, AWQ, GPTQ) or speculative decoding in production.
Deep understanding of software engineering principles and a proven track record of developing and deploying AI/ML inference solutions.

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: $180K - $360K

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More about this job

Responsibilities

Implement and optimize production LLM inference across runtimes, kernels, scheduling, serving, and routing, using techniques such as quantization, speculative decoding, and KV-cache management. Improve latency, throughput, GPU utilization, and cost; benchmark new models and hardware; and contribute to open-source inference engines while collaborating across teams.

Requirements

A bachelor's, master's, or Ph.D. degree in computer science, engineering, mathematics, or a related field is required, along with experience in a general-purpose language such as Python or C++. Candidates should have LLM optimization experience or familiarity, strong knowledge of ML libraries such as PyTorch or TensorRT, demonstrated interest and experience in LLMs, and a deep understanding of GPU architecture.

Skills

LLM Inference Optimization
Python
C++
PyTorch
TensorRT
GPU Architecture
Quantization
Speculative Decoding
Continuous Batching
KV-Cache Management
Performance Profiling
GPU Kernel Optimization
Distributed Model Serving
Benchmarking
Scheduling and Routing
Inference Engine Development

Benefits

Competitive Compensation
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)
Learning and Networking Opportunities

Visa sponsorship

Not detected in the job text

Keywords

LLM Inference
Inference Performance
Python
C++
PyTorch
TensorRT
TensorRT-LLM
vLLM
SGLang
CUDA
Triton
CUTLASS
GPU Architecture
Quantization
FP8
FP4
AWQ
GPTQ
Speculative Decoding
Continuous Batching
KV-Cache
Chunked Prefill
LoRA
Guided Generation
Prefill/Decode Disaggregation
Distributed Serving
Autoscaling
Load Balancing
Benchmarking
Performance Optimization

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