Hamilton, On & mathematics Jobs – 70 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
3d
Intermediate Electrical/Controls Engineer
Control System innovators, Corp —Burlington, ON
- $50,000–$75,000 a year
- Full-time
- Engineering
- Laboratory experience
- English
- Disability insurance
- Dental care
Quick apply
Junior Design Technologist
FRF Hydraulic —Brantford, ON
- $25–$35 an hour
- Full-time
- English
- Analysis skills
- Math
- Disability insurance
- Dental care
Quick apply
7d
Math/Science Teacher
Laureate College —Burlington, ON
- $45,000–$71,000 a year
- Full-time
- Education
- Bachelor's
- Classroom experience
- Flexible schedule
Quick apply
6d
Online High School Math Tutor
Empower Tutoring —Hamilton, ON
- $20–$22 an hour
- Part-time
- Bilingual
- English
- High school diploma or GED
- Flexible schedule
Quick apply
Math Instructor
Scholar's Studio —Burlington, ON
- $30–$50 an hour
- Weekends as needed
- Engineering
- Math
- Teaching
Quick apply
Engineering Services Technician
Burlington Hydro Inc. —Burlington, ON
- $48.85–$56.97 an hour
- Hybrid work
- AutoCAD
- CAD
- Customer service
- Dental care
7d
Clinical Data Scientist - AI Trainer
DataAnnotation —Hamilton, ON
- $50.00–$140.56 an hour
- Contract
- Remote
- Bilingual
- Doctoral degree
- Computer Science
- Flexible schedule
Quick apply
3d
Specialist, Electro-Optical Designer
L3Harris Technologies —Waterdown, ON
- $85,500–$135,500 a year
- Full-time
- Laboratory experience
- Master's degree
- Analysis skills
8d
Customer Service Coordinator
TF WARREN GROUP —Brantford, ON
- $22–$25 an hour
- Overtime
- Customer service
- English
- Microsoft Office
- Profit sharing
- Dental care
Quick apply
Estimating Coordinator (Architectural Millwork)
Oakstone Millwork and Design —Hamilton, ON
- $21–$29 an hour
- Overtime
- Microsoft Powerpoint
- AutoCAD
- Microsoft Excel
Quick apply
13d
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
Industrial Equipment Assembler B (Foodservice Equipment)
LC Bakery Equipment Services Ltd. —Brantford, ON
- $21.95–$27.99 an hour
- Overtime
- Heavy lifting
- Schematics
- High school diploma or GED
- Disability insurance
- Dental care
Quick apply
Trim Press Operator
Orlick Industries —Stoney Creek, ON
- $19 an hour
- Full-time
- High school diploma or GED
- Math
- Dental care
- Tuition reimbursement
Quick apply
CNC Machine Operator
Orlick Industries —Stoney Creek, ON
- $18 an hour
- 8 hour shift
- High school diploma or GED
- Math
- Dental care
- Tuition reimbursement
Quick apply
1d
Director, Group Underwriting
Medavie —Ontario
- $120,335–$170,000 a year
- Full-time
- Remote
- Bilingual
- Microsoft Excel
- Management
- Dental care
6d
Senior Director, LEO Satellite Operations
Holt Executive —Ontario
- Engineering
- Math
- Bachelor's
Quick apply
Math Tutor
Tutor Doctor —Waterdown, ON
- $20–$23 an hour
- Part-time
- Math
- Working with children
- Bachelor's
- Flexible schedule
Quick apply
Part-Time Math & Science Teacher/Tutor
Oxford Learning Centres, Inc. —Hamilton, ON
- $18–$20 an hour
- Part-time
- English
- Math
- Bachelor's
Quick apply
Senior Staff Accountant
Collective Arts Brewing —Hamilton, ON
- $60,000–$80,000 a year
- Microsoft Excel
- Microsoft Office
- Math
Quick apply

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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
3 days ago

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

& mathematics jobs in hamilton, on

Data Science Consultant - AI Trainer

Intermediate Electrical/Controls Engineer

Junior Design Technologist

Math/Science Teacher

Online High School Math Tutor

Math Instructor

Engineering Services Technician

Clinical Data Scientist - AI Trainer

Specialist, Electro-Optical Designer

Customer Service Coordinator

Estimating Coordinator (Architectural Millwork)

AI Training Specialist – Quantitative - AI Trainer

Industrial Equipment Assembler B (Foodservice Equipment)

Trim Press Operator

CNC Machine Operator

Director, Group Underwriting

Senior Director, LEO Satellite Operations

Math Tutor

Part-Time Math & Science Teacher/Tutor

Senior Staff Accountant

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