Columbus B operations Jobs – 41 Openings This Week

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
Quantitative Trader - AI Trainer
DataAnnotation —Whitby, ON
- $50.00–$140.56 an hour
- Contract
- Remote
- Doctoral degree
- Computer Science
- Writing skills
- Flexible schedule
Quick apply
Forecasting Analyst - AI Trainer
DataAnnotation —Oshawa, ON
- $50.00–$140.56 an hour
- Contract
- Remote
- Doctoral degree
- Computer Science
- Writing skills
- Flexible schedule
Quick apply
Analytics Engineer - AI Trainer
DataAnnotation —Oshawa, ON
- $50.00–$140.56 an hour
- Contract
- Remote
- Doctoral degree
- Computer Science
- Writing skills
- Flexible schedule
Quick apply
Manager, NEMT Transport (New Division)
Confidential —Pickering, ON
- $60,000–$100,000 a year
- Full-time
- CPR Certification
- BLS Certification
- English
- Mileage reimbursement
- COVID-19 protective measures
Quick apply
9d
Press Operator- "B" Shift 4:15 PM - 3:15 AM
Multi Action Communication INC —Ajax, ON
- $22–$26 an hour
- Overtime
- Continuous improvement
- Quality Control
- Mechanical knowledge
Quick apply
11d
Professional Experience Year (PEY) - Engineering - Durham Region
Ontario Power Generation —Bowmanville, ON
- $38.47–$44.77 an hour
- Contract
- Bachelor's
- Travel
- Communication skills
9h
Professional Experience Year (PEY) - Computer Science & IT - Durham Region
Ontario Power Generation —Oshawa, ON
- $38.47–$44.77 an hour
- Contract
- Computer science
- Computer Science
- Bachelor's
9h
Professional Experience Year (PEY) - Applied Physics - Durham Region
Ontario Power Generation —Pickering, ON
- $38.47–$44.77 an hour
- Contract
- Bachelor's
- Travel
- Communication skills
9h
Professional Experience Year (PEY) - Health Physics & Radiation Science - Durham Region
Ontario Power Generation —Whitby, ON
- $38.47–$44.77 an hour
- Contract
- Bachelor's
- Travel
- Communication skills
9h
Professional Experience Year (PEY) - Law - Durham Region
Ontario Power Generation —Oshawa, ON
- $38.47–$44.77 an hour
- Contract
- Bachelor's
- Travel
- Communication skills
9h
Business Systems Analyst – Parts
Raise —Ontario
- $60.92 an hour
- Contract
- Hybrid work
- Salesforce
- Research
- Data entry
Quick apply
Supply Chain / Procurement Specialist — Capital Projects & Operations
Raise —Ontario
- Full-time
- Contracts
- Negotiation
Quick apply
Regular Full-Time Skilled Labourer - Turf & IPM
City of Oshawa —Oshawa, ON
- $35.43–$37.29 an hour
- Weekends as needed
- Communication skills
7d
On-Call Custodian
Durham Community Health Centre —Oshawa, ON
- $20.75–$21.57 an hour
- Part-time
- Microsoft Outlook
- Customer service
- Computer literacy
Quick apply
Lead, Integrated Care & Experience
Durham Community Health Centre —Oshawa, ON
- $70,000–$80,000 a year
- Full-time
- Microsoft Powerpoint
- Bachelor's
- Team management
Quick apply
Purchasing Agent
Aecon Group —Bowmanville, ON
- $69,000–$92,000 a year
- Research
- Microsoft Office
- Travel
- Tuition reimbursement
Class B Refrigeration Operator
Gordon Food Service —Ajax, ON
- $40.98–$47.98 an hour
- 8 hour shift
- Electrical experience
- HVAC
- Profit sharing
4d
Child Care Supervisor
Perry House Child Care Services —Whitby, ON
- From $31 an hour
- Full-time
- CPR Certification
- English
- First Aid Certification
Quick apply
Technical Project Leader I - PPT
Thermo Fisher Scientific —Whitby, ON
- $76,400–$95,000 a year
- Full-time
- Computer literacy
- English
- Microsoft Office

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Machine Learning Scientist - AI Trainer

DataAnnotation -
Whitby, ON

Quick apply

Job details

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

Qualifications

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

b operations jobs in columbus

Machine Learning Scientist - AI Trainer

Quantitative Trader - AI Trainer

Forecasting Analyst - AI Trainer

Analytics Engineer - AI Trainer

Manager, NEMT Transport (New Division)

Press Operator- "B" Shift 4:15 PM - 3:15 AM

Professional Experience Year (PEY) - Engineering - Durham Region

Professional Experience Year (PEY) - Computer Science & IT - Durham Region

Professional Experience Year (PEY) - Applied Physics - Durham Region

Professional Experience Year (PEY) - Health Physics & Radiation Science - Durham Region

Professional Experience Year (PEY) - Law - Durham Region

Business Systems Analyst – Parts

Supply Chain / Procurement Specialist — Capital Projects & Operations

Regular Full-Time Skilled Labourer - Turf & IPM

On-Call Custodian

Lead, Integrated Care & Experience

Purchasing Agent

Class B Refrigeration Operator

Child Care Supervisor

Technical Project Leader I - PPT

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