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Posted 6 months ago

Senior / Staff ML Training Optimization Engineer

@ Waabi

Toronto, Ontario

HybridFull-time4+ years experience
Apply now
SIGNALS

Overview

Waabi, a leader in Physical AI for autonomous trucks and robotaxis, is hiring a senior or staff ML training optimization engineer. The role builds distributed training frameworks, profiles model runtime and memory, and evaluates tools such as CUDA kernels and quantization. Requires 4+ years of industry experience, Python, C++ or Rust, and PyTorch or JAX. Full-time with unlimited vacation and flexible hours.

Responsibilities:

  • Build standardized distributed training frameworks for research and production
  • Profile model runtime and memory to find performance bottlenecks
  • Evaluate emerging technologies such as CUDA kernels and quantization
  • Work with researchers on best practices for resource usage
  • Create tooling and dashboards for broad adoption

Requirements summary:

  • Bachelor's, MS or PhD in computer science, robotics or similar field
  • Minimum 4 years of industry experience
  • Coding proficiency in Python, C++ or Rust
  • Experience with PyTorch or JAX
  • Skilled in profiling CPU and GPU code with PyTorch Profiler or NVIDIA Nsight
  • Collaborative and passionate about self-driving technologies

Tools & skills

Benefits mentioned

Health insuranceDentalVisionPaid time offWellnessStock options
Source and dates

Employer career site / ATS feed · lever

Employer posting date
2026-05-08
First seen by our source
2026-10-08
Source record updated
2026-11-02

These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.

Job details

SenioritySenior
DepartmentSoftware development
Experience4+ years
Hours per week40 (estimated)
Work settingOffice
PositionMostly sitting
Physical demandsphysical low · computer high
LanguagesEnglish
EducationBachelor’s degree (required), Master’s degree (preferred), Doctorate (preferred)
Fields of studyComputer Science, Robotics
Perks mentionedGenerous paid time off, Flexible hours, Performance bonus, Stock or equity, Wellness, Free or discounted meals

Summary and details written by AI from the posting; the employer’s posting is the authority.

Waabi

Funding & investors

Reported funding round: Series C

Investor named in the round: Khosla Ventures, G2 Venture Partners, Uber, NVentures, Volvo Group Venture Capital, Porsche Automobil Holding SE, Radical Ventures, HarbourVest Partners, Linse Capital, Incharge Capital, Export Development Canada, TELUS Global Ventures, BMO Global Asset Management

Announcement date: · Source checked: 2026-11-02

Company announcement
Saved company profile

Historical company information from a saved The Jobs API profile (LinkedIn/Crunchbase fields). It is not live-verified; figures may have changed. Missing values remain unknown.

Built to think. Born to haul.

Full company description

Waabi is pioneering Physical AI – starting with autonomous trucks. Press: [email protected] Business: [email protected]

LinkedIn followers
28,690
People associated on LinkedIn
291
Reported office locations
  • N/A, Toronto, CA
  • San Francisco, California, US
Business categories
  • Artificial Intelligence
  • Transportation
  • Automotive
  • Artificial Intelligence (AI)
  • Machine Learning
  • Autonomous Vehicles
Other recorded names
  • Waabi
Profile identifies a recruitment agency
No
Reported total investment
1,033,036,757

Currency and observation date were not supplied; this is not a current valuation or a funding round.

Waabi is pioneering Physical AI – starting with autonomous trucks. Press: [email protected] Business: [email protected]

FieldValue
IndustryTruck Transportation
Company size51-200 employees
HeadquartersToronto
Organization typePrivately Held
Year founded2021
Open jobs on Jobsy55
LinkedInView page
Job description

Waabi, founded by AI visionary Raquel Urtasun, is the leader in Physical AI. With a world-class team, we're unlocking the next era of autonomous transportation with technology that's powering commercial autonomous trucks and robotaxis. Waabi is backed by and partners with world leaders in AI, automotive, logistics, and deep tech.

With offices in Toronto, San Francisco, Dallas, and Pittsburgh, Waabi is growing quickly and looking for diverse, innovative and collaborative candidates who want to impact the world in a positive way. To learn more visit: www.waabi.ai

You will...

  • Build standardized distributed training frameworks for research and production, drive our training towards new levels of stability and efficiency.
  • Comprehensively profile model runtime and memory to pinpoint performance bottlenecks.
  • Identify and evaluate emerging technologies that can be adopted into Waabi’s training and inference frameworks. Examples include designing new CUDA kernels, quantization-aware training and inference, and compilation/deployment techniques.
  • Work with researchers and ML engineers on best-practices for optimal resource usage.
  • Create and improve tooling and dashboards to ensure broad adoption of your work.

Qualifications:

  • MS/PhD or Bachelors degree with a minimum of 4 years of industry experience in Computer Science, Robotics and/or similar technical field(s) of study.
  • Solid coding proficiency in a variety of coding languages including Python, C++ or Rust.
  • Experience in deep learning frameworks such as PyTorch or Jax.
  • Skilled in profiling CPU and GPU code using tools such as PyTorch Profiler and NVIDIA Nsight.
  • Open-minded and collaborative team player with willingness to help others.
  • Passionate about self-driving technologies, solving hard problems, and creating innovative solutions.

Bonus/nice to have:

  • Experience in identifying when custom CUDA kernels are needed, and implementing them.
  • Experience in Bazel in a monorepo environment, and integrating third party packages into dev environments.
  • Experience with Kubernetes-based training platforms.

The US yearly salary range for this role is: $184,000 - $272,000 USD in addition to competitive perks & benefits. Waabi (US) Inc.’s yearly salary ranges are determined based on several factors in accordance with the Company’s compensation practices. The salary base range is reflective of the minimum and maximum target for new hire salaries for the position across all US locations. Note: The Company provides additional compensation for employees in this role, including equity incentive awards and an annual performance bonus.

Perks/Benefits:

Waabi provides a competitive benefits package that includes:

  • Competitive compensation and equity awards.
  • Health and Wellness benefits encompassing Medical, Dental and Vision coverage.
  • Unlimited Vacation.
  • Flexible hours and Work from Home support.
  • Daily drinks, snacks and catered meals (when in office).
  • Regularly scheduled team building activities and social events both on-site, off-site & virtually.
  • World-class facility that includes a gym, games room (ping pong table, video game consoles, board games, etc), multiple collaborative working spaces and a gorgeous patio!(when in office)
  • As we grow, this list continues to evolve!

Waabi is an equal opportunity employer that celebrates diversity and is committed to creating a supportive, inclusive, and accessible environment for all employees. If reasonable accommodation is needed to participate in the job application or interview process please let our recruiting team know.

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