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Data jobs in Ontario, Canada

285 open roles read nightly from companies’ own hiring pages. Each one links to the original ad.

Data jobs in Ontario at a glance

Open roles: 285
Remote: 27%
Posted in the last 30 days: 69
Advertised pay, middle half: CA$120K – CA$200Kmedian CA$160K · about $116K

From the 163 data jobs here that state yearly pay in CAD: the top of each advertised range. Updated nightly.

Hiring most here

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261–280 of 285 jobs

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Canada ×Ontario ×Data & AI ×Clear all

Director of AI Engineering – Generative AI & Autonomous Systems (10033) Toronto, Canada
13 months ago
Extreme Networks · Toronto, Ontario, Canada
HybridFull-timeDirectorData & AI
Define the AI engineering vision and long-term roadmap; ensure alignment with business strategy and customer outcomes.; Build, inspire, and scale a world-class AI engineering team, cultivating a culture of innovation, collaboration, and execution.; Mentor senior engineers and…
Data Scientist, ONCAP/OpCo - 12 month contract
14 months ago
ONCAP · Toronto, Ontario, Canada
ContractEntry levelCA$45.00 – CA$60.00 an hourData & AI
ONCAP is seeking a Data Scientist to support the AI, Analytics, and Data function within one of its portfolio companies. The selected candidate will be assigned to a specific operating company based on business needs. They will contribute to a variety of projects that drive…
Senior/Staff Machine Learning Engineer
14 months ago
StackAdapt · Alberta, Canada +5
RemoteLead / staffCA$170.4K – CA$234.3K a yearData & AI
StackAdapt is the leading technology company that empowers marketers to reach, engage, and convert audiences with precision. With 465 billion automated optimizations per second, the AI-powered StackAdapt Marketing Platform seamlessly connects brand and performance marketing to…
Senior Machine Learning Engineer
14 months ago
Reddit · Ontario, Canada
RemoteFull-timeSeniorData & AI
Reddit is a community of communities. It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on the topics they care most about. With 100,000+ active…
Machine Learning Engineer
14 months ago
Reddit · Ontario, Canada
RemoteFull-timeMid levelData & AI
Reddit is a community of communities. It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on the topics they care most about. With 100,000+ active…
Principal CPU Microarchitect - RISC-V & AI Compute
15 months ago
Tenstorrent · Austin, Texas, United States +2
HybridLead / staffData & AI
Tenstorrent is leading the industry on cutting-edge AI technology, revolutionizing performance expectations, ease of use, and cost efficiency. With AI redefining the computing paradigm, solutions must evolve to unify innovations in software models, compilers, platforms,…
Power Architect
15 months ago
Tenstorrent · Austin, Texas, United States +3
HybridLead / staffData & AI
Tenstorrent is leading the industry on cutting-edge AI technology, revolutionizing performance expectations, ease of use, and cost efficiency. With AI redefining the computing paradigm, solutions must evolve to unify innovations in software models, compilers, platforms,…
Full Stack LLM Engineer
15 months ago
Cerebras Systems · Toronto, Ontario, Canada
HybridFull-timeData & AI
We are seeking a versatile and experienced engineer to join our Inference Core Model Bringup team. This team is responsible to rapidly bring up state-of-the-art open-source models (like LLaMA, Qwen, etc) or customer-provided proprietary models on our Cerebras CSX systems.…
Data Infrastructure Engineer
16 months ago
HeyGen · Los Angeles, California, United States +3
Data & AI
At HeyGen, we are at the forefront of developing applications powered by our cutting-edge AI research. As a Data Infrastructure Engineer, you will lead the development of fundamental data systems and infrastructure. These systems are essential for powering our innovative…
Member of Technical Staff, Pre-Training Data
16 months ago
Cohere · Toronto, Ontario, Canada +5
RemoteFull-timeLead / staffCA$250K – CA$535K a yearData & AI
As a Machine Learning Engineer specializing in pretraining data, you will play a pivotal role in developing the data pipeline that underpins Cohere’s advanced language models. In this role, you will conduct data ablations to evaluate data quality and construct pre-training data…
Machine Learning Engineer - Enterprise
16 months ago
Boson AI · Toronto, Ontario, Canada
On-siteFull-timeCA$150K – CA$400K a yearData & AI
Deliver solutions end to end that meet the needs of our customers - understanding user pain points, scoping product specs, and designing and building LLM-powered software.; Benchmark the model, and help write evals for customers to identify model weaknesses.; Develop and deploy…
Senior / Staff ML Onboard Optimization Engineer
18 months ago
Waabi · United States +6
HybridFull-timeLead / staff$184K – $272K a yearData & AI
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…
Data Scientist, International
18 months ago
DoorDash Canada · Toronto, Ontario, Canada
Full-timeMid levelCA$114K – CA$142.5K a yearData & AI
The Analytics team is looking for Data Analysts and Data Scientists to guide measurement, strategy, and tactical decision-making using Advanced Analytics approaches, as we expand our logistics platform across the globe. Data Scientists at DoorDash work to uncover insights and…
Sr. Data Scientist
20 months ago
Pinterest · Toronto, Ontario, Canada
Full-timeSeniorData & AI
Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we’re on a mission to bring everyone the inspiration to create a life they love, and that starts with…
Data collector / Driver in Ottawa, ON
26 months ago
TSMG · Ottawa, Ontario, Canada
On-siteContractData & AI
Service Measure (SM) is a field data collection company founded in 2013 in New York.
MAAS Data Center Infrastructure Engineer (Toronto area)
27 months ago
Canonical · Toronto, Ontario, Canada
On-siteFrom $2,000.00 a monthData & AI
Operate a fully automated server lab with the latest server and network silicon from leading vendors, remotely and while on-site, making sure it remains available to other teams.; Maintain accurate inventory and layout of the hardware in the data centre.; Receive, install and…
Data collector / Driver in Barrie, ON
27 months ago
TSMG · Barrie, Ontario, Canada
On-siteContractData & AI
Service Measure (SM) is a field data collection company founded in 2013 in New York.
Data collector / Driver in Toronto, ON
27 months ago
TSMG · Toronto, Ontario, Canada
On-siteContractData & AI
Service Measure (SM) is a field data collection company founded in 2013 in New York.
Sr. Machine Learning Engineer, Growth Science
33 months ago
Pinterest · Toronto, Ontario, Canada
Full-timeSeniorData & AI
Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we’re on a mission to bring everyone the inspiration to create a life they love, and that starts with…
Software Developer, Data Engineering
33 months ago
Robinhood · Toronto, Ontario, Canada
Mid levelCA$166K – CA$195K a yearData & AI
We’re thrilled to be expanding this year as Robinhood is hiring world-class engineering talent in Toronto. Our Hoodies in Canada will enable Robinhood to continue creating great financial products on our journey towards democratizing finance for all.

Updated 07 Nov 2026 10:21 UTC from the OptiTalent job library.