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Data scientist Jobs in Vaughan, ON

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Data scientist • vaughan on

Last updated: 4 days ago

Remote Senior Data Scientist - AI Trainer

SuperAnnotateWillowdale, Ontario, CA
Remote
Full-time

As a Senior Data Scientist, you will work remotely on an hourly paid basis to review AI-generated analytical reasoning, code, and model outputs, as well as generate high-quality reference solutions... Show more

Big Data Architect

BMO Financial GroupNorth York, ON
Temporary

BMO is an organization driven by a shared Purpose: Boldly Grow the Good in business and life.It calls on members of its team, to create lasting, positive change for its customers, its communities, ... Show more

Data Entry Clerk Work From Home - Part-Time Focus Group Participants (Up To $850/Week)

Apex Focus Group Inc.Bolton, ON, Canada
Remote
Full-time +1

Job Title: Data Entry Clerk Work From Home - Remote Panelists.Part-Time Focus Group Participants - Remote Work From Home (Up To $850/Week).Our company is seeking individuals to participate in Natio... Show more

 • Promoted

Remote Senior Data Scientist - AI Trainer

SuperAnnotateVaughan, Ontario, CA
Remote
Full-time

As a Senior Data Scientist, you will work remotely on an hourly paid basis to review AI-generated analytical reasoning, code, and model outputs, as well as generate high-quality reference solutions... Show more

Customer Service Representative / Data Analyst

Adaria Vending Services LimitedConcord, ON, CA
Full-time
Quick Apply

Job Summary As a Customer Service Representative / Data Analyst , you will be responsible for managing day-to-day customer inquiries while also collecting, analyzing, and reporting on key data metr... Show more

Manager of FP&A

The Mason Group Incbolton, ontario
Full-time

Our client in the logistics and transportation space is looking to add a Manage of FP&A, who will be a key addition to a rapidly growing part of the business’s finance team.This individua... Show more

 • Promoted

Virtual Data Entry Clerk

FocusGroupPanelRichmond Hill, Ontario, Canada
Part-time

Work From Home, Entry Level Data Entry Clerk As A Research Participant.We are looking for people who want to work remotely from home.You'll need an Internet connection and a mobile device or comput... Show more

Remote Senior Data Scientist - AI Trainer

SuperAnnotateNorth York, Ontario, CA
Remote
Full-time

As a Senior Data Scientist, you will work remotely on an hourly paid basis to review AI-generated analytical reasoning, code, and model outputs, as well as generate high-quality reference solutions... Show more

Remote Senior Data Scientist - AI Trainer

SuperAnnotateRichmond Hill, Ontario, CA
Remote
Full-time

As a Senior Data Scientist, you will work remotely on an hourly paid basis to review AI-generated analytical reasoning, code, and model outputs, as well as generate high-quality reference solutions... Show more

Data Entry Clerk

ADF Medical Services Inc.North York, Toronto, CA
Remote
Full-time +1
Quick Apply

We're hiring a reliable and detail-oriented.If you're accurate, organized, and efficient — we want you on our team.Administrative & Health Records.Enter and update patient and medical informati... Show more

Product Data Lead

LGCVaughan, ON, CA
Full-time

LGC Standards is a division of LGC Group, the UK’s designated National Measurement Institute for chemical and bioanalytical measurements.We are a leading global manufacturer and service provider of... Show more

Data Center Technician CA Onsite

RM Staffing B.V.Vaughan, ON, CA
Full-time

This is an on-site position supporting mission-critical infrastructure at premier data center facilities.Project-based or ongoing support.Remote hands and smart hands services.Perform hardware inst... Show more

Customer Service/Data Entry Clerk

IS2 Workforce SolutionsConcord, ON, CA
Full-time
Quick Apply

We are currently seeking a qualified individual to fill the role of Customer Service/Data Entry.Join a leading distributor in the pet specialty food industry, servicing markets across Eastern Canad... Show more

Data Analyst (Canada Summer Student Position)

Ben Gurion University Canada1120 Finch Avenue West, Suite 604, Toronto ON
Full-time

Data Analyst (Canada Summer Student Position).Location: North York, ON | In office.Manager of Events & Administration and Vice President.Application deadline: April 27, 2026.Are you a detail-orient... Show more

Financial Analyst

Vaco by HighspringWillowdale, Ontario, Canada
Temporary

We are seeking a detail-oriented Financial Analyst for a 12-month contract.The Financial Analyst will support the preparation and delivery of accurate financial statements and reports.The ideal can... Show more

 • Promoted

Master Data Specialist

The Byng GroupConcord, ON, CA
Full-time
Quick Apply

The Byng Group is a full-service general construction company, transforming multifamily residential properties into magnificent renovations.Specializing in residential suite upgrades and common are... Show more

Product Data Analyst

businessIn-person
Full-time

HireArt is helping an on-demand, autonomous ride-hailing company find a Product Data Analyst to help harness data to improve service performance and customer experience.In this role, you’ll partner... Show more

Product Data Lead

LGC GroupVaughan, Ontario, Canada
Full-time

The Product Data Lead is a hands‑on Subject Matter Expert (SME) responsible for coordinating day‑to‑day Product Data activities and ensuring the consistent, high‑quality execution of Product Data w... Show more

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Remote Senior Data Scientist - AI Trainer

Remote Senior Data Scientist - AI Trainer

SuperAnnotateWillowdale, Ontario, CA
30+ days ago
Job type
  • Full-time
  • Remote
Job description
As a Senior Data Scientist, you will work remotely on an hourly paid basis to review AI-generated analytical reasoning, code, and model outputs, as well as generate high-quality reference solutions and explanations for complex data problems. You will assess solutions for accuracy, clarity, and adherence to the prompt; identify errors in methodology, modeling choices, or statistical reasoning; fact-check quantitative claims; write clear, step-by-step explanations and model solutions that demonstrate correct methods; and rate and compare multiple AI responses based on correctness and reasoning quality. This is a fully remote, hourly paid contractor role with SME Careers, a fast-growing AI data services company and subsidiary of SuperAnnotate that provides AI training data to many of the world’s largest AI companies and foundation model labs. Your data science expertise will directly contribute to improving the world’s premier AI models used across products and industries. Key Responsibilities: • Develop AI Training Content: Create detailed prompts in various topics and responses to guide AI learning, ensuring the models reflect a comprehensive understanding of diverse subjects. • Optimize AI Performance: Evaluate and rank AI responses to enhance the model's accuracy, fluency, and contextual relevance. • Ensure Model Integrity: Test AI models for potential inaccuracies or biases, validating their reliability across use cases. Your Profile: • Bachelor’s degree or higher in Data Science, Computer Science, Statistics, Mathematics, or a closely related quantitative field. • 5+ years of professional experience as a Data Scientist or in a closely related analytical role, working on end-to-end machine learning projects. • Strong proficiency in Python for data analysis and machine learning, including libraries such as pandas, NumPy, scikit-learn, and related tooling. • Solid background in statistics, experimental design, and applied probability, with experience designing and analyzing controlled experiments. • Hands-on experience building, evaluating, and deploying machine learning models in real-world business or product environments. • Advanced SQL skills and comfort working with large, complex datasets from data warehouses or data lakes. • Minimum C1 English proficiency (written and spoken), with the ability to write clear quantitative explanations and follow detailed English-language guidelines. • Experience with data visualization tools or dashboards and the ability to present analytical findings to stakeholders. • Previous experience with AI data training, annotation, or reviewing AI-generated analytical content is a strong plus. • Highly detail-oriented and systematic, with a strong focus on quality, reproducibility, and careful evaluation of reasoning steps.