On Data science Jobs – 924 Openings This Week

Data Science Consultant - AI Trainer
DataAnnotation —Hamilton, ON
- $50.00–$140.56 an hour
- Contract
- Remote
- Bilingual
- Doctoral degree
- Computer Science
- Flexible schedule
Quick apply
AI Training Specialist – Quantitative - AI Trainer
DataAnnotation —Hamilton, ON
- $50.00–$140.56 an hour
- Contract
- Remote
- Bilingual
- Doctoral degree
- Computer Science
- Flexible schedule
Quick apply
AI Annotation Specialist Data Science - AI Trainer
DataAnnotation —Guelph, ON
- $50.00–$140.56 an hour
- Contract
- Remote
- Bilingual
- Doctoral degree
- Computer Science
- Flexible schedule
Quick apply
AI Data Quality Specialist - AI Trainer
DataAnnotation —Greater Toronto Area, ON
- $50.00–$140.56 an hour
- Contract
- Remote
- Bilingual
- Doctoral degree
- Computer Science
- Flexible schedule
Quick apply
Data Scientist I
TD Bank —Toronto, ON
- $69,700–$98,400 a year
- Full-time
- Azure
- Computer Science
- Engineering
- Paid time off
6d
Clinical Data Scientist
Sanofi EU —Toronto, ON
- $108,900–$157,300 a year
- Doctoral degree
- Master's degree
- Databases
Data Science Developer
Arima —Toronto, ON
- $65,000–$85,000 a year
- Full-time
- Hybrid work
- Computer science
- Computer Science
- Databases
- Dental care
- Paid time off
Quick apply
5d
Data Science Instructor
Metro College —Toronto, ON
- $45–$75 an hour
- Part-time
- Microsoft Excel
- Doctoral degree
- Data analysis skills
Data Science Specialist
Toronto Catholic District School Board —Toronto, ON
- $87,762–$105,316 a year
- Full-time
- SQL
- Analysis skills
- Presentation skills
5d
Data Science - Co-op Student
Rodan Energy Solutions Inc. —Mississauga, ON
- $20–$25 an hour
- Microsoft Excel
- Computer Science
- Engineering
Quick apply
Data Scientist
Coca-Cola Canada Bottling Limited —Toronto, ON
- $82,800–$105,000 a year
- Hybrid work
- Azure
- Engineering
- Master's degree
- Employee assistance program
12d
Instructor - Data Analytics
CDI College —Brampton, ON
- $28 an hour
- Part-time
- Computer science
- Computer Science
- Presentation skills
Data Science/ Machine Learning Co-op (8 Month - Hybrid)
Oncoustics —Toronto, ON
- Full-time
- Python
Data Science Fellow
WDG Public Health —Guelph, ON
- Temporary
- Hybrid work
- Doctoral degree
- Computer Science
- Engineering
- Wellness program
- Employee assistance program
Data Science Centre Coordinator
University of Ottawa Heart Institute —Ottawa, ON
- $50,000–$70,000 a year
- Full-time
- Microsoft Powerpoint
- Bilingual
- Microsoft Word
12h
Analyst - Data Strategy and Analytics
ENERCARE —Markham, ON
- $69,136–$110,618 a year
- Full-time
- Azure
- Computer Science
- Engineering
Quick apply
RQ00209 - Int. Data Analytical Specialist/Scientist
Source Code —Toronto, ON
- $49.28–$66.00 an hour
- Full-time
- Microsoft Excel
- Data analysis skills
- Microsoft Office
Quick apply
Head of Data Science & Analytics
Big Viking Games —Toronto, ON
- $190,000–$230,000 a year
- Full-time
- Hybrid work
- SQL
- Analysis skills
- AI
- Dental care
- Vision care
Quick apply
Analytics Data Specialist
Home Hardware Stores Limited —St. Jacobs, ON
- $85,800–$128,600 a year
- Full-time
- Hybrid work
- Azure
- DevOps
- Engineering
- Disability insurance
- Dental care
Summer 2027 Intern - Elevate/Data Science [UG/Masters]
Simon-Kucher & Partners —Toronto, ON
- $40 an hour
- Full-time
- Marketing
- English
- Finance

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Data Science Consultant - AI Trainer

DataAnnotation -
Hamilton, ON

Quick apply

Job details

Contract | Fixed term contract
$50.00–$140.56 an hour

Qualifications

Bilingual
Statistics
Doctoral degree
Computer Science
Writing skills
Engineering
Mathematics
English
Google Cloud Platform
Master's degree
AWS
Bachelor's

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 Data Science Consultant - 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

data science jobs in on

Data Science Consultant - AI Trainer

AI Training Specialist – Quantitative - AI Trainer

AI Annotation Specialist Data Science - AI Trainer

AI Data Quality Specialist - AI Trainer

Data Scientist I

Clinical Data Scientist

Data Science Developer

Data Science Instructor

Data Science Specialist

Data Science - Co-op Student

Data Scientist

Instructor - Data Analytics

Data Science/ Machine Learning Co-op (8 Month - Hybrid)

Data Science Fellow

Data Science Centre Coordinator

Analyst - Data Strategy and Analytics

RQ00209 - Int. Data Analytical Specialist/Scientist

Head of Data Science & Analytics

Analytics Data Specialist

Summer 2027 Intern - Elevate/Data Science [UG/Masters]

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