Markham, On Systems testing specialist Jobs – 357 Openings This Week

AI Data Quality Specialist - AI Trainer
DataAnnotation —Aurora, ON
- $50.00–$140.56 an hour
- Contract
- Remote
- Doctoral degree
- Computer Science
- Writing skills
- Flexible schedule
Quick apply
AI Data Quality Specialist - AI Trainer
DataAnnotation —Greater Toronto Area, ON
- $50.00–$140.56 an hour
- Contract
- Remote
- Doctoral degree
- Computer Science
- Writing skills
- Flexible schedule
Quick apply
Systems Testing/QA Specialist - Senior
Maarut Inc —Toronto, ON
- $75–$78 an hour
- Contract
- Oracle
- Software troubleshooting
- SQL
Quick apply
5d
Systems Testing/QA Specialist (Contract)
Cyber-Infomax Solutions Inc. —Toronto, ON
- $55–$60 an hour
- Temporary
- Hybrid work
- Scripting
- APIs
Quick apply
Movement & Performance Specialist - Exercise Physiologist / Registered Kinesiologist
Cleveland Clinic Canada —Toronto, ON
- $50,000–$56,000 a year
- Full-time
- Customer service
- Master's degree
- Patient care
Quick apply
Health Physics Product – Documentation Specialist
Mirion Technologies (Canberra CA) Ltd. —Concord, ON
- $70,000–$75,000 a year
- Microsoft Word
- CAD
- Engineering
- Disability insurance
- Dental care
Quick apply
2d
QA/QC Controller
NAPIER-REID LIMITED —Aurora, ON
- $85,000–$100,000 a year
- Full-time
- AutoCAD
- Microsoft Outlook
- Engineering
- Dental care
Quick apply
5d
Sr. Electromagnetic Compatibility (EMC) Engineer
GAL AeroStaff —Toronto, ON
- $100,000–$120,000 a year
- Immediate opening
- Engineering
- In-person
- Manufacturing
- Disability insurance
- Dental care
Quick apply
AI Training Specialist Quantitative - AI Trainer
DataAnnotation —Scarborough, ON
- $50.00–$140.56 an hour
- Contract
- Remote
- Doctoral degree
- Computer Science
- Writing skills
- Flexible schedule
Quick apply
Protection and Control Specialist
KPC Power Electrical Ltd —Ajax, ON
- $35–$52 an hour
- Full-time
- Schematics
- Engineering
- Maintenance
- Wellness program
- Employee stock purchase plan
Quick apply
Audio Visual Project Manager
Doing Things Simply (DTS) —Scarborough, ON
- $70,000–$105,000 a year
- Weekends as needed
- Hybrid work
- PMP
- Microsoft Office
- Construction experience
- Wellness program
- Disability insurance
Quick apply
10d
VP, Product Management
Accommodations Plus International —Markham, ON
- $180,000–$225,000 a year
- Full-time
- Hospitality
- Computer Science
- Engineering
Quick apply
AI Training Specialist Quantitative - AI Trainer
DataAnnotation —Toronto, ON
- $50.00–$140.56 an hour
- Contract
- Remote
- Doctoral degree
- Computer Science
- Writing skills
- Flexible schedule
Quick apply
Energy Policy Analyst
Green Oil Inc —North York, ON
- $45 an hour
- Full-time
- Doctoral degree
- English
- Master's degree
- Dental care
- Vision care
Quick apply
10d
Technical Specialist - Pre-Analytical and Microbiology - MRHH & CVH Laboratory Services
Mackenzie Health —Vaughan, ON
- $47.03–$59.29 an hour
- Full-time
- Hybrid work
- Microsoft Office
- Supervising experience
- Team management
13d
Organizational Development Specialist
Extendicare —Markham, ON
- Full-time
- Hybrid work
- Organizational skills
- Training & development
- AI
Quick apply
6d
Systems Testing/QA Specialist - Senior (5)
Procom —Toronto, ON
- $60–$80 an hour
- Immediate opening
- Scripting
- APIs
- In-person
Quick apply
6d
Control Panel & Instrumentation Specialist
ApplyFirst —Toronto, ON
- $60,000–$80,000 a year
- Full-time
- AutoCAD
- Schematics
- Engineering
- Disability insurance
- Dental care
Automation/PLC Specialist
Avery Human Resources —Vaughan, ON
- $90,000–$110,000 a year
- Full-time
- AutoCAD
- Computer literacy
- Engineering
- Dental care
Quick apply
9d
Booking Clerk Perioperative Services
Unity Health Toronto —Toronto, ON
- $27.10–$33.87 an hour
- Full-time
- Customer service
- Microsoft Office
- Administrative experience
5d

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systems testing specialist jobs near markham, on

AI Data Quality Specialist - AI Trainer

DataAnnotation -
Aurora, ON

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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
Quantitative modelling analysis
A/B testing
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 AI Data Quality Specialist - 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

systems testing specialist jobs in markham, on

AI Data Quality Specialist - AI Trainer

AI Data Quality Specialist - AI Trainer

Systems Testing/QA Specialist - Senior

Systems Testing/QA Specialist (Contract)

Movement & Performance Specialist - Exercise Physiologist / Registered Kinesiologist

Health Physics Product – Documentation Specialist

QA/QC Controller

Sr. Electromagnetic Compatibility (EMC) Engineer

AI Training Specialist Quantitative - AI Trainer

Protection and Control Specialist

Audio Visual Project Manager

VP, Product Management

AI Training Specialist Quantitative - AI Trainer

Energy Policy Analyst

Technical Specialist - Pre-Analytical and Microbiology - MRHH & CVH Laboratory Services

Organizational Development Specialist

Systems Testing/QA Specialist - Senior (5)

Control Panel & Instrumentation Specialist

Automation/PLC Specialist

Booking Clerk Perioperative Services

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