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Added 11 hours ago
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Software Engineer - Model Performance Systems
Baseten
Montreal, QC
- $165,000 to $330,000 USD / year
- Full-time
…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…
Added 11 hours ago
B
Software Engineer - Voice AI (Inference Runtime)
Baseten
Toronto, ON
- $165,000 to $330,000 USD / year
- Full-time
…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…
Added 11 hours ago
B
Software Engineer - Model Performance Systems
Baseten
Toronto, ON
- $165,000 to $330,000 USD / year
- Full-time
…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…
Added 11 hours ago
B
Software Engineer - GPU Kernels
Baseten
Toronto, ON
- $180,000 to $360,000 USD / year
- Full-time
…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…
Added 11 hours ago
M
RQ11731 - Business Analyst - Senior
Maarut
Toronto, ON
- Contract
Leads business analysis for enterprise platform features,
Added 12 hours ago
Q
FY27 Intern - AI Software Engineering Co-op - Canada (4 months)
Qualcomm
Toronto, ON
- Full-time
Our early career programs are designed to attract inventive minds, offering a platform to contribute to our long-term innovation pipeline. You'll be part of a community that values…
Added 12 hours ago
C
Application Programmer
Collabera
Mississauga, ON
- $70 to $80 USD / hour
- Full-time
Use Python for rapid prototyping, data processing, analytics, automation, and risk-related calculations where appropriate.
Added 13 hours ago
J
Social Media Coordinator
Jobgether
Canada
- Full-time
Ensure all published content follows brand guidelines, campaign timelines, and platform requirements.
Added 13 hours ago
S
Associate Manager, Brand Marketing
Shiseido
Markham, ON
- $75,000 to $85,000 CAD / year
- Full-time
Conduct ongoing influencer discovery and manage creator relationships using influencer marketing platforms and social analytics tools.
Added 13 hours ago
SC
Manager, Media planning
Starcom Canada
Toronto, ON
- $70,000 to $80,000 CAD / year
- Full-time
Extensive Learning & Development opportunities, including more than 15,000 learning programs via our online learning platform as well as a Professional Development Allowance
Added 13 hours ago
JR
Applied Machine Learning Scientist
Jump! Recruiters
Toronto, ON · Greater Toronto Area, Canada
- Full-time
Added 13 hours ago
SC
Search Specialist
Starcom Canada
Toronto, ON
- $45,000 to $50,000 CAD / year
- Full-time
Extensive Learning & Development opportunities, including more than 15,000 learning programs via our online learning platform as well as a Professional Development Allowance
Added 13 hours ago
SC
Media Planning, Manager
Starcom Canada
Toronto, ON
- Full-time
Extensive Learning & Development opportunities, including more than 15,000 learning programs via our online learning platform as well as a Professional Development Allowance
Added 13 hours ago
Q
FY27 Intern - AI Software Systems Co-op - Canada (4 months)
Qualcomm
Toronto, ON
- Full-time
Our early career programs are designed to attract inventive minds, offering a platform to contribute to our long-term innovation pipeline. You'll be part of a community that values…
Added 13 hours ago
Q
FY27 Intern - Deep Learning Research Internship - Embodied AI - Canada (4 Months)
Qualcomm
Markham, ON
- Full-time
Our early career programs are designed to attract inventive minds, offering a platform to contribute to our long-term innovation pipeline. You'll be part of a community that values…
Added 13 hours ago
LI
Senior Product Manager
Lotus IT Solutions
Toronto, ON
- Contract
Use research, analytics, performance measures, and operational feedback to guide continuous improvement of the platform.
Added 13 hours ago
LI
Senior Business Analyst
Lotus IT Solutions
Toronto, ON
- Contract
Assess service onboarding requirements and alignment with reusable enterprise platform capabilities
Added 13 hours ago
LI
Software Developer
Lotus IT Solutions
Toronto, ON
- Contract
The Government of Ontario is undertaking a large-scale Data & AI transformation initiative centred on the Ontario Data Platform (ODP) - an enterprise technology ecosystem encompassing data…
Added 13 hours ago
LI
Senior Business Analyst
Lotus IT Solutions
Toronto, ON
- Contract
Assess service onboarding requirements and evaluate alignment with reusable enterprise platform capabilities and shared services.
Added 13 hours ago
NI
Financial Director
Nobis Inc
Markham, ON
- $100,000 to $150,000 CAD / year
- Full-time
At Nobis and InnoVision, you’ll be part of a dynamic, international brand platform with strategic and a clear focus on long-term value creation. This is an opportunity to play a key role in…
Added 13 hours ago
RT
Sr. Business Analyst
Russell Tobin
Toronto, ON
- $70 to $80 CAD / hour
- Contract
Assess service onboarding requirements and alignment with reusable enterprise platform capabilities.
Added 13 hours ago
FO
IT Business Systems Administrator
Focus on the Family Canada
Langley (District), BC · Langley, BC
- Internship
…documentation of existing customizations and the adoption of standard platform functionality where appropriate to ensure sustainability, maintainability, and…
Added 14 hours ago
J
Manager of UX Research
Jobgether
Canada
- $112,000 to $160,000 CAD / year
- Full-time
…experiences inform product strategy across a complex B2B SaaS platform. Combining hands-on qualitative and quantitative research with people leadership, you will guide a research team while…
Added 14 hours ago
C
Program Manager - Retail Technology & AI
Cogniify
Vancouver, BC
- $175,000 to $183,000 CAD / year
- Full-time
…squad, keeping priorities clear and work moving across core platform and AI…
Added 14 hours ago
YC
SAP Analyst
York Catholic District School Board
Aurora, ON
- Full-time
Exposure to SAP Cloud Platform and integration tools is a plus.

Baseten

Software Engineer - Model Performance Systems

Montreal, QC, Canada

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

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Applications open in a new tab.

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

We are looking for Software Engineers to join our team. This is a specialized, high-impact role sitting at the intersection of 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 infrastructure; you will be defining the roadmap, driving key technical decisions, and taking full ownership of the future of this work.

Responsibilities

Benchmarking: Evaluate, run and automate standard LLM quality benchmarks (GSM8K, MMLU) alongside custom performance suites for specific workloads (e.g., long-context window, KV cache reuse, disaggregated serving).
DevEx Improvement: Develop and maintain internal GPU-enabled development environments (similar to GitHub Codespaces). You will ensure the team has seamless, high-performance "dev machines" optimized for model experimentation.
Tool Development: Build and contribute to open-source tools such as InferenceMAX and genai-bench to automate model evaluation, benchmarking and analysis.
System Profiling: Use profilers like PyTorch Profiler, NVIDIA Nsight Systems and py-spy to collect performance profiles, identify bottlenecks, and debug the compute/networking stack.
Monitoring & Observability: Develop real-time dashboards and alerts to monitor system health, model startup times, and runtime performance.
Continuous Integration: Automate performance testing via CI/CD pipelines to catch regressions and build release workflow automation for the model runtimes stack.
Optimization Automation: Build tools to find the "Pareto frontier" - identifying the absolute best configuration (latency vs. cost vs. quality) for a given model and workload.

Requirements

This is a mid-senior, high leverage role. We care about your technical depth, strong communication skills to drive cross-team efforts, ability to navigate vague requirements and mentor other engineers. We want to talk to you if you have:

A Love for Systems & Hardware: You aren’t just interested in the AI; you want to understand GPU memory subsystems, InfiniBand, and how data moves across a cluster.
An Automation Mindset: You believe that if a task has to be done twice, it should be scripted. You have a passion for stress-testing and fuzzy testing to find the "breaking point" of a system.
Mathematical Curiosity: A desire to understand the underlying math of Transformers and how it translates into FLOPs and memory requirements.
Technical Toolkit: Familiarity with Python, and an eagerness to master the NVIDIA software stack. C++ familiarity is good to have.

WHY THIS ROLE

Direct Impact: Your tools will be the gatekeeper for what defines "good" performance for our customers.
Deep Learning (Literally): You will gain world-class expertise in GPU orchestration and LLM inference that few engineers in the industry possess.
High Ownership: As the lead of a small team, you will have the autonomy to build tools from scratch and contribute to open-source projects.

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

Build and maintain benchmarking, profiling, monitoring, and automation tools to evaluate LLM quality and inference performance across models and workloads. Improve GPU-enabled development environments, automate performance testing and release workflows, and identify optimal configurations balancing latency, cost, and quality.

Requirements

This mid-to-senior role calls for strong systems and hardware knowledge, an automation mindset, mathematical curiosity about Transformers, and familiarity with Python; C++ experience is beneficial. Candidates should be able to lead cross-team technical efforts, navigate ambiguity, communicate effectively, and mentor engineers.

Skills

Python
C++
High-Performance Computing
Large Language Model Inference
GPU Systems
Benchmarking
Performance Profiling
System Optimization
Automation
Fuzzy Testing
CI/CD
Monitoring and Observability
Transformer Mathematics
InfiniBand
Cross-Team Communication
Technical Leadership

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)

Visa sponsorship

Not detected in the job text

Keywords

High-Performance Computing
Large Language Models
LLM Inference
Python
C++
NVIDIA
GPU
GPU Memory
InfiniBand
GSM8K
MMLU
InferenceMAX
genai-bench
PyTorch Profiler
NVIDIA Nsight Systems
py-spy
Benchmarking
Model Evaluation
Performance Profiling
Disaggregated Serving
KV Cache Reuse
Long-Context Windows
CI/CD
Performance Regression Testing
Observability
Fuzzy Testing
Transformer Mathematics
FLOPs
Latency-Cost-Quality Optimization
GPU Orchestration

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