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Jobs in Ontario, Canada
63 open roles read nightly from companies’ own hiring pages. Each one links to the original ad.
41–60 of 63 jobs
Data Annotation Specialist, Generalist
3 months agoCohere · Canada +8
RemoteContractEntry levelFrom CA$30.00 an hourData & AICohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems.
Data Annotation Specialist, Data Science
4 months agoCohere · Canada +9
RemoteContractMid levelFrom CA$40.00 an hourData & AICohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems.
Product Manager, Integrations
4 months agoCohere · Toronto, Ontario, Canada +3
RemoteFull-timeSenior$160K – $285K a yearProductNorth is only as valuable as the systems it can reach - CRM, ITSM, productivity suites, data warehouses, knowledge stores, and identity. You'll own that integrations surface end to end.
Senior Member of Technical Staff, Web Data
5 months agoCohere · Toronto, Ontario, Canada +3
RemoteFull-timeLead / staffCA$250K – CA$535K a yearData & AIAs a Senior Member of Technical Staff specializing in web data for pre-training, you will play a pivotal role in developing the large scale web data pipeline that underpins Cohere’s advanced language models. In this role, you will work extensively with large-scale web corpora,…
Software Engineer, Data Infrastructure
5 months agoCohere · New York, United States +4
RemoteFull-time$175K – $325K a yearData & AIDesign, build, and operate the distributed storage system that feeds model training and evaluation.; Run this system multiple on Kubernetes clusters at petabyte scale.; Work with researchers and training-infra teams on how jobs actually read and write data, and turn that into…
Cohere · Canada +4
RemoteContractMid levelFrom CA$30.00 an hourData & AICohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems.
Cohere · London, England, United Kingdom +5
HybridFull-timeLead / staffCA$250K – CA$535K a yearSecurityAs a Member of Technical Staff in the Safety for Agents team, you will make a meaningful impact on the development of better, fairer, more trustworthy, and more secure Large Language Models (LLMs). Your primary focus will be on data generation, post-training algorithms, and…
Product Manager, Agent Harness & Modelling
7 months agoCohere · Toronto, Ontario, Canada +3
RemoteFull-timeSenior$160K – $320K a yearProductWe are seeking an Agent Harness Product Manager to own the execution layer that makes North agents reliable, capable, and production-ready. This is a role that sits at the intersection of three domains:
Cohere · San Francisco, California, United States +3
HybridFull-timeLead / staff$190K – $325K a yearEngineeringAre you energized by building high-performance, scalable and reliable machine learning systems? Do you want to help define and build the next generation of AI platforms powering advanced NLP applications? We are looking for Members of Technical Staff to join the Model Serving…
Cohere · London, England, United Kingdom +5
RemoteFull-timeLead / staffCA$250K – CA$535K a yearData & AIAs a Member of Technical Staff in Data Analysis and Evaluation, you will play a pivotal role in ensuring the quality, reliability, and performance of our large language models (LLMs). Your primary focus will be on designing and conducting data collection tasks, assessing and…
Senior Member of Technical Staff, Synthetic Data
11 months agoCohere · Toronto, Ontario, Canada +4
RemoteFull-timeLead / staffCA$250K – CA$535K a yearData & AIAs a Senior Machine Learning Engineer specializing in synthetic data, you will play a pivotal role in developing the synthetic data pipeline that is crucial to Cohere’s advanced language models. Your responsibilities will encompass the end-to-end management of synthetic data,…
Member of Technical Staff - Sovereign AI
12 months agoCohere · Canada +1
On-siteFull-timeLead / staffCA$295K – CA$535K a yearDesign and implement novel research ideas, ship state of the art models to production, and maintain deep connections to academia and the government. We have one of the highest ratio of compute to engineers in the world. We do not delineate strongly between engineering and…
Staff Research Engineer, Model Efficiency
12 months agoCohere · New York, United States +3
RemoteFull-timeLead / staffCA$250K – CA$535K a yearEngineeringLarge Language Models (LLMs) continue to push the boundaries of what AI systems can do — but inference is still the bottleneck. The Model Efficiency team is responsible for pushing the limits of LLM inference efficiency across our foundation models. We explore and ship…
Member of Technical Staff, Model Efficiency
12 months agoCohere · New York, United States +3
RemoteFull-timeLead / staffCA$250K – CA$535K a yearOur team is a fast-growing group of researchers and engineers focused on building reliable ML systems and pushing the boundaries of LLM inference efficiency. We develop techniques that improve how models execute in production, driving lower latency, higher throughput, and…
Senior Research Scientist, Model Evaluation
12 months agoCohere · Toronto, Ontario, Canada +5
HybridFull-timeSeniorCA$250K – CA$535K a yearScience & researchEvaluation is critical to making progress in scaling intelligence. As models continue to become superhuman in many real-world use cases, we must continue to develop new evaluation techniques that accurately reflect what models are already capable of, as well as set the agenda…
Member of Technical Staff, Agent Code
13 months agoCohere · London, England, United Kingdom +4
HybridFull-timeLead / staffCA$250K – CA$535K a yearCode-generating LLMs and autonomous agents are revolutionizing how software is built and tasks are automated. At Cohere, we’re pushing the boundaries of what’s possible with these technologies for enterprises, and we’re looking for a senior member for the Agent Code team.…
Cohere · Paris, France +4
RemoteFull-timeLead / staffCA$250K – CA$535K a yearThe integration team is responsible for developing and scaling machine learning algorithms and infrastructure for LLM post-training, with a focus on large-scale, distributed RL methods. We strive for excellence in both engineering and science by meticulously designing…
Member of Technical Staff, Pre-Training Data
16 months agoCohere · Toronto, Ontario, Canada +5
RemoteFull-timeLead / staffCA$250K – CA$535K a yearData & AIAs 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…
Member of Technical Staff, Post-Training
17 months agoCohere · London, England, United Kingdom +5
HybridFull-timeLead / staffCA$250K – CA$535K a yearAdvance the state of the art for model post training, ship state of the art models to production, and bridge the gap between research and production. We have one of the highest ratio of compute to engineers in the world. We do not delineate strongly between engineering and…
Member of Technical Staff, Training Infra Engineer
20 months agoCohere · Paris, France +5
RemoteFull-timeLead / staffCA$250K – CA$535K a yearEngineeringContribute in and provide strong support for model training pipelines, ship state of the art models to production, and bridge the gap between research and production. We have one of the highest ratio of compute to engineers in the world. We do not delineate strongly between…
Updated 07 Nov 2026 10:21 UTC from the OptiTalent job library.