Jobs for data annotations at Toronto

Company DescriptionUHN is Canada’s #1 hospital and the world’s #1 publicly funded hospital. With 10 sites and more than 44,000 TeamUHN members, UHN consists of Toronto General Hospital, Toronto Western Hospital, Princess Margaret Cancer Centre, Toronto Rehabilitation Institute, The Michener Institute of Education and West Park Healthcare Centre. As...

Overview of the role: PolicyMe is building a simpler, more affordable insurance experience for Canadian families. Our website is where customers learn, build trust, and take the next step toward coverage. We’re hiring a Marketing Designer, Web to raise the visual quality of that experience. You’ll design, improve, and maintain our marketing site built...

Overview of the role: Note there is also a full time opening available, that a freelancer could look to move into if interested. PolicyMe is building a simpler, more affordable insurance experience for Canadian families. Our website is where customers learn, build trust, and take the next step toward coverage. We’re hiring a freelance Marketing Designer,...

Governance, Risk & Compliance (GRC) Analyst (AI Training) About The Role We're looking for experienced GRC professionals to help train and validate cutting-edge AI systems. At Alignerr, we partner with the world's leading AI research labs — and we need practitioners who understand how security policies, compliance programs, audits, and risk management...

Machine Learning Engineer (AI Data Trainer) About The Role What if your deep technical expertise could directly shape how the next generation of AI models reason, plan, and solve real-world problems? We're looking for Machine Learning Engineers to help train and improve large language models by demonstrating how expert-level thinking actually works —...

Member of Technical Staff - ML Data About Us Veeda AI is building the next generation of multimodal foundation world models for Physical AI. We're a small, fast-moving team of engineers and researchers from leading AI labs, tackling some of the most challenging problems at the intersection of AI, robotics, and embodied intelligence. If you're excited about...

General Postdoctoral Researcher (AI Training) About The Role What if your years of advanced research could directly shape the intelligence of the AI systems that millions of people will rely on? We're looking for Masters and PhD-level researchers to bring their domain expertise to the frontier of AI development — designing and solving the complex,...

Biochemist – AI Data Trainer About The Role Your deep expertise in biochemistry is exactly what the next generation of AI needs. At Alignerr, we partner with the world's leading AI research labs to train and refine cutting-edge models — and we need PhD-level biochemists to make sure those models get the science right. This is a fully remote, flexible...

Masters & PhD Researcher (AI Training) - Alignerr About The Role What if your years of graduate research could directly shape the intelligence of AI systems used by millions of people worldwide? We're looking for Masters and PhD researchers to bring their deep domain expertise to one of the most consequential challenges in technology — teaching AI to...

About The Role We're looking for experienced forestry and land management scientists to help shape how AI understands sustainable forest management, land-use planning, and environmental decision-making. Your field expertise will directly influence the accuracy and reliability of AI systems used by researchers, practitioners, and policymakers...

Lean 4 Proof Engineer — Mathematical Formalization About The Role What if your mathematical expertise could directly shape how AI understands and reasons about formal proof? We're looking for skilled mathematicians to translate rigorous human arguments into machine-verifiable Lean 4 formalizations — working at the very frontier of what proof assistants...

Document Review Specialist (AI Training) About The Role What if your sharp eye for detail could directly influence how AI understands the written world? We're looking for Document Review Specialists in the Toronto area to read, annotate, and classify real-world documents — helping AI systems make sense of everything from news articles to financial...

Applied Physics (AI Training) About The Role What if your years of physics expertise could directly shape how AI understands the physical world? We're looking for PhD-level Applied Physicists to stress-test and improve cutting-edge Large Language Models — exposing the gaps in their reasoning and helping ensure they never violate the fundamental laws of...

Principal Python Engineer — ML Infrastructure (AI Training) About The Role What if your Python expertise could directly shape the infrastructure that powers the most advanced AI systems in the world? We're looking for a Principal Python Engineer in Toronto to design and build the data pipelines, annotation tooling, and evaluation systems that leading AI...

**Overview** At KPMG in Canada, our people bring their unique perspectives to Canada’s most important challenges. Here, you can build momentum that reaches beyond our business, develop skills for the future, and take ownership of your career with support at every stage. Join a firm where your career can make a difference. KPMG Law LLP is a national...

Researcher — Lean 4 & Formal Proof Systems (AI Training) About The Role What if your deep mathematical expertise could directly shape how AI reasons about formal proofs — pushing the frontier of what machines can understand and verify? We're looking for mathematicians and formal verification specialists to translate sophisticated mathematical...

About The Role What if your deep mathematical training could directly shape how AI understands and reasons about formal proofs? We're looking for mathematicians and formal methods experts to work at the cutting edge of AI research — translating rigorous mathematical arguments into machine-verifiable Lean 4 formalizations, and helping map the frontier of...

Physics Masters – AI Training Specialist About The Role We're looking for Masters-level physicists to help train and evaluate some of the world's most advanced AI models. Your deep understanding of physics will directly shape how AI reasons through complex problems — from classical mechanics to quantum theory. This is a fully remote, flexible contract...

SYSTRA Canada is part of the SYSTRA group, an international consulting and engineering group, a world leader in the design of transport infrastructures. SYSTRA Canada is an engineering and consulting firm whose primary focus is to offer transportation solutions, whether for passengers or goods: feasibility studies of building a new railway line, increasing...

SYSTRA Canada is part of the SYSTRA group, an international consulting and engineering group, a world leader in the design of transport infrastructures. SYSTRA Canada is an engineering and consulting firm whose primary focus is to offer transportation solutions, whether for passengers or goods: feasibility studies of building a new railway line, increasing...