Machine learning scientist Jobs

Machine Learning Scientist - AI Trainer
DataAnnotation —Burlington, ON
- $50.00–$140.56 an hour
- Contract
- Remote
- Doctoral degree
- Computer Science
- Writing skills
- Flexible schedule
Quick apply
Machine Learning Scientist - AI Trainer
DataAnnotation —Brossard, QC
- $50.00–$140.56 an hour
- Contract
- Remote
- Doctoral degree
- Computer Science
- Writing skills
- Flexible schedule
Quick apply
Applied Machine Learning Scientist I
TD Bank —Toronto, ON
- $105,500–$125,000 a year
- Full-time
- Bachelor's
- Machine learning
- Financial services
- Paid time off
8d
Research Machine Learning Scientist
TD Bank —Toronto, ON
- $140,000–$250,000 a year
- Full-time
- Azure
- Doctoral degree
- Computer Science
- Paid time off
Data Scientist/Machine Learning Scientist in Medical Imaging
Oncoustics —Toronto, ON
- Full-time
- Doctoral degree
- Master's degree
- Bachelor's
Machine Learning Scientist
Eli Health —Montréal, QC
- Full-time
- Doctoral degree
- Computer Science
- Engineering
- Dental care
- Vision care
Entry Level Machine Learning Engineer (Remote - Canada)
Yelp —Vancouver, BC
- $85,000–$107,000 a year
- Full-time
- Remote
- Java
- C++
- Software development
12d
Machine Learning Scientist - AI Trainer
DataAnnotation —Whitby, ON
- $50.00–$140.56 an hour
- Contract
- Remote
- Doctoral degree
- Computer Science
- Writing skills
- Flexible schedule
Quick apply
Machine Learning Scientist - AI Trainer
DataAnnotation —Thornhill, ON
- $50.00–$140.56 an hour
- Contract
- Remote
- Doctoral degree
- Computer Science
- Writing skills
- Flexible schedule
Quick apply
Data Scientist
BMO Financial —Toronto, ON
- $80,000–$175,000 a year
- Azure
- Doctoral degree
- Computer Science
- Tuition reimbursement
- Life insurance
5h
AI & Machine Learning Engineer, Level 17 or 18 - 803 EN
Export Development Canada | Exportation et développement Canada —Montréal, QC
- $84,698–$112,931 a year
- Full-time
- Hybrid work
- Azure
- Computer Science
- DevOps
- Relocation assistance
Quick apply
4d
AI & Machine Learning Engineer, Level 17 or 18 - 803 EN
Export Development Canada | Exportation et développement Canada —Toronto, ON
- $84,698–$112,931 a year
- Full-time
- Hybrid work
- Azure
- Computer Science
- DevOps
- Relocation assistance
Quick apply
4d
Research Scientist, Paradigms of Intelligence
Google —Montréal, QC
- $147,000–$210,000 a year
- Full-time
- Doctoral degree
- Computer Science
- Research
1d
Senior Machine Learning Engineer, Economist
Instacart —Ontario
- $180,000–$190,000 a year
- Remote
- Doctoral degree
- Research
- Master's degree
9d
Junior Data Scientist
mthree Recruiting Portal —Montréal, QC
- $85,000 a year
- AI
Scientist – Digital Discovery: Biological Data Systems & Machine Learning
Amgen —Burnaby, BC
- $109,254.75–$147,815.00 a year
- Doctoral degree
- Master's degree
- Bachelor's
Applied Machine Learning Scientist II (ATH # 5215)
TD Bank —Toronto, ON
- $125,500–$154,000 a year
- Full-time
- Azure
- Computer Science
- Research
- Paid time off
Applied Machine Learning Scientist II
TD Bank —Toronto, ON
- $125,500–$154,000 a year
- Full-time
- Azure
- Engineering
- Finance
- Paid time off
Machine Learning Scientist (Graduate/Postdoc Level) - Contract
Oncoustics —Toronto, ON
- Part-time
- Hybrid work
- Python
Research Scientist
OTI Lumionics Inc. —Mississauga, ON
- $75,000–$110,000 a year
- Full-time
- Doctoral degree
- Engineering
- Maintenance
Senior Data Scientist (Machine Learning)
Tri-global Solutions Group Inc. —Remote
- Up to $106 an hour
- Contract
- Remote
- Computer Science
- SQL
- Analysis skills
Staff Machine Learning Engineer
Xero —Vancouver, BC
- $195,000–$235,000 a year
- Full-time
- Remote
- AWS
- Machine learning
- AI
Data Scientist - FTT
TransLink —Metro Vancouver Regional District, BC
- $100,080–$150,120 a year
- Temporary
- Hybrid work
- Engineering
- Research
- Master's degree
- Dental care
Data Scientist - Machine Learning
Ample Insight Inc. —Toronto, ON
- Contract
- Remote
- Doctoral degree
- Computer Science
- Engineering
Quick apply
Machine Learning Scientist
Nucs AI —Toronto, ON
- Full-time
- Hybrid work
- Doctoral degree
- Engineering
- Research
- Vision care
Quick apply

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Machine Learning Scientist - AI Trainer

DataAnnotation
Burlington, ON

Quick apply

Job details

Contract | Fixed term contract

Benefits

Flexible schedule

Skills

Statistics
Predictive analysis
Statistics
Doctoral degree
Computer Science
Predictive modeling analysis
Writing skills
Engineering
Mathematics
English
Master's degree
Bachelor's
Machine learning
Quantitative modelling analysis
A/B testing
Data science
AI
Performing statistical data analysis

Full job description

DataAnnotation is committed to creating quality AI. Help train AI chatbots while gaining the flexibility of remote work and choosing your own schedule.

We are looking for an existing Machine Learning Scientist - AI Trainer to help train AI models. AI models are increasingly capable of performing complex analytical and scientific reasoning — but these systems still need practitioners with real-world quantitative experience to validate whether the outputs actually hold up in practice. That's where you come in.

You'll work closely with state-of-the-art AI models on tasks like evaluating AI-generated quantitative analysis, solving technical problems, and providing feedback that directly shapes how these systems reason about data, models, and scientific problems. Whether your background is in data science, astrophysics, economics, biostatistics, operations research, or any other quantitative field, if you think rigorously about data and models, your skills are directly applicable here. You can fit this work alongside a full-time role, or treat it as your primary focus, choosing projects and schedules that align with your availability and goals.

To get started, once you sign up for an account, you'll take a short assessment (this serves as our version of an interview). If you pass, you'll receive an email confirmation, and paid work will become available on our platform.

Advantages of contracting with us:

Fully remote: work from anywhere in the US, Canada, UK, Ireland, Australia, and New Zealand.
Flexible schedule: choose which projects you take on and when you work, on your own computer, from the comfort of your own home.
Competitive pay: projects are paid hourly at $50 to $100 USD per hour, with bonus rates available on some projects.
Impact: help shape the future of AI systems built to reason about data and analytics.

Responsibilities:

Evaluate AI-generated quantitative work, including statistical analysis, predictive modeling, scientific reasoning, and data-driven insights, for technical accuracy and real-world validity.
Design and solve quantitative problems used to train and benchmark AI systems, spanning areas like forecasting, experimental analysis, optimization, and statistical inference.
Write clear technical explanations and well-documented analytical code.
Provide feedback that directly shapes the next generation of AI models built for quantitative reasoning.

Qualifications:

3+ years of hands-on experience in a quantitative role or research environment — such as data science, statistics, economics, finance, physics, biology, epidemiology, operations research, or any adjacent field.
Some coding experience required, with comfort writing and reviewing analytical code end-to-end.
Practical experience with statistical methods, predictive modeling, and experiment design (e.g., A/B testing, hypothesis testing, regression, classification, time-series forecasting).
Fluency in English (native or bilingual level) with strong writing skills.
A bachelor's degree in a quantitative field preferred (Statistics, Computer Science, Mathematics, Engineering, or similar); an advanced degree (Master’s or PhD) is a plus.
Relevant credentials are a plus (e.g., Kaggle Competition ranking, AWS/GCP ML certifications, or equivalent demonstrated expertise).

Note: Payment is made via PayPal. We will never ask for any money from you. This job is only available to those in the US, Canada, UK, Ireland, Australia, and New Zealand.

Quick apply

Refine Your Search

Machine Learning Scientist - AI Trainer

Machine Learning Scientist - AI Trainer

Applied Machine Learning Scientist I

Research Machine Learning Scientist

Data Scientist/Machine Learning Scientist in Medical Imaging