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Data Science Phd Jobs in Toronto, ON (NOW HIRING)

Mercor

AI Research Scientist - PhD

Toronto, ON · Remote

CA$70 - CA$90/hr

Position: Computer Science PhD Researchers Type: Contract Compensation: $70-$90/hour Location ... Create high-quality data by developing difficult problems in your domain. * Evaluate and improve AI ...

MasterCard

Director, Data Science

Toronto, ON · On-site

Advanced degree (Master's or PhD preferred) in Data Science, ML, or related field Extensive experience leading a Data Science team and drive innovation with inspiration. Experienced being a great ...

CookUnity

Director, Data Science/ML

Toronto, ON

PhD or Master's degree in Computer Science, Statistics, Mathematics, or related quantitative field ... Experience building data science teams from scratch or through periods of rapid growth * Prior work ...

CookUnity

Director, Data Science/ML

Toronto, ON

PhD or Master's degree in Computer Science, Statistics, Mathematics, or related quantitative field ... Established product data science roadmap aligned with business priorities; shipped at least one ...

Stripe

Data Scientist, Fraud

Toronto, ON

PhD with 1-3 years, MS or MA with 2-6 years, or BS or BA with 4-8 years of data science or quantitative modeling experience * Experience with Fraud, Risk or Financial Crimes * Proficiency in SQL and ...

Scientific Games

Staff Data Scientist

Toronto, ON · On-site

Master's degree or PhD in Computer Science, Statistics, Mathematics, Engineering, Operations ... Experience mentoring Data Scientists and shaping technical standards beyond individual project ...

Stripe

Data Scientist, Link

Toronto, ON

PhD with 3+ years, MS or MA with 6+ years, or BS or BA with 8+ years of data science or quantitative modeling experience * 3+ years in Product Analytics, Experimentation and Causal Inference

Mercor

AI Research Scientist - PhD

Toronto, ON · Remote

CA$55 - CA$80/hr

PhD or advanced degree (or equivalent industry experience) in Medicine , Healthcare , Statistics , Data Science , AI/ML Research , Computer Science , Game Development , or Mechanical/Aerospace ...

Scientific Games

Senior Data Scientist

Toronto, ON · On-site

Master's degree or PhD in Computer Science, Statistics, Mathematics, Engineering, Operations Research, Economics, or another related STEM field Experience * 2+ years of hands-on experience in data ...

PPT

Senior Data Scientist

Toronto, ON · Remote

Advanced degree (PhD or Master's) in Computer Science, Statistics, Mathematics, or a related field. * 3+ years of work experience as a Data Scientist with experience at all levels of the ML pipeline ...

Mercor

AI Research Scientist - PhD

Toronto, ON · Remote

CA$55 - CA$80/hr

PhD or advanced degree in Medicine / Healthcare , Statistics and Data Science , AI / ML Research , Computer Science , Game Development , or Mechanical / Aerospace Engineering . * High attention to ...

Epistemix

Data Scientist

Toronto, ON · Remote

... PhD program can count toward experience) * Masters or Ph.D in Data Science, Computer Science, Epidemiology, Economics, Public Health, Statistics, Mathematics, or similar quantitative field

Pelmorex

Data Scientist - Hybrid

Oakville, ON · Hybrid

Degree in a STEM discipline (Data Science, Statistics, Computer Science, or a related quantitative field); a Master's or PhD is preferred but not required. * 3+ years of data science experience ...

Mercor

ML Research Scientist - PhD

Toronto, ON · Remote

CA$110 - CA$145/hr

Provide clear, structured feedback to AI research teams to improve training data quality and ... PhD in Machine Learning , Computer Science , AI , or a closely related field. * Published at least ...

Fusemachines

Lead Data Scientist

Toronto, ON · Remote

$110K - $140K/yr

Applicants should have a Masters, PhD, or advanced training in applied mathematics, engineering, computer science, or a similar related field. * 6+ years experience in Data Scientist or Machine ...

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Data Science Phd information

What is a data science PhD?

A Data Science PhD is a doctoral-level degree focused on advanced research in data science, which combines elements of statistics, computer science, and domain expertise. Students in a Data Science PhD program typically work on developing new methods for analyzing large datasets, creating machine learning algorithms, and addressing complex problems in areas such as artificial intelligence, data mining, and predictive analytics. Graduates are prepared for careers in academia, research, and industry, where they can lead data-driven projects and contribute to advancements in the field.

What are the key skills and qualifications needed to thrive as a data science PhD?

To thrive as a Data Science PhD, you need advanced expertise in statistics, machine learning, data analysis, and a doctoral degree in a quantitative field. Proficiency in programming languages like Python or R, experience with big data frameworks (e.g., Spark, Hadoop), and familiarity with data visualization tools are typically required. Critical thinking, problem-solving, and strong communication skills help you translate complex data insights for diverse stakeholders. These skills are vital for driving innovative research, making data-driven decisions, and contributing impactful solutions in data-centric environments.

What are some common challenges faced by data science PhDs when transitioning from academia to industry roles?

Data Science PhDs often encounter challenges such as adapting to the faster pace and collaborative nature of industry projects compared to academic research. In industry, there is a greater emphasis on delivering practical solutions within tight deadlines and working closely with cross-functional teams like engineering and product management. Additionally, data science work in industry may require balancing technical rigor with business impact, often prioritizing actionable insights over exhaustive analysis. Building strong communication and stakeholder management skills can help ease this transition.

What can I do with a data science PhD?

A data science PhD prepares individuals for advanced roles in research, analytics, and machine learning across industries such as technology, finance, healthcare, and academia. Graduates can work as data scientists, machine learning engineers, research scientists, or data analysts, often utilizing programming languages like Python or R and tools such as TensorFlow or SQL. The degree also enables roles involving complex data modeling, statistical analysis, and developing innovative data-driven solutions.

What are popular job titles related to Data Science Phd jobs in Toronto, ON?

For Data Science Phd jobs in Toronto, ON, the most frequently searched job titles are:

What job categories do people searching Data Science Phd jobs in Toronto, ON look for?

The top searched job categories for Data Science Phd jobs in Toronto, ON are:

Data Science Phd jobs near you
Infographic showing various Data Science Phd job openings in Toronto, ON as of August 2026, with employment types broken down into 27% Internship, and 73% Full Time. Highlights an 100% In-person job distribution.

AI Research Scientist - PhD

Mercor

Toronto, ON • Remote

CA$70 - CA$90/hr

Full-time

Re-posted 27 days ago

Job description

About the job

Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey.

Position: Computer Science PhD Researchers
Type: Contract
Compensation: $70–$90/hour
Location: Remote

Role Responsibilities

  • Contribute subject matter expertise to a cutting-edge project with large language models.
  • Create high-quality data by developing difficult problems in your domain.
  • Evaluate and improve AI model performance through rigorous tasks.
  • Collaborate with AI research teams to inform future AI innovation.
  • Work independently and asynchronously to meet deadlines and contribute 4-6 tasks per week.

Qualifications

Must-Have

  • Computer Science PhD (Graduated)
  • Undergraduate degree from US/UK/Canada/Western Europe
  • Graduate degree from a top US/UK/Canada/Western European university
  • High attention to detail
  • Exceptional written and verbal communication skills
  • Excellent proficiency in English

Start Date

  • February; applications reviewed on a rolling basis.

Application Process (Takes 20–30 mins to complete)

  • Upload resume
  • AI interview based on your resume
  • Submit form

Resources & Support

  • For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome
  • For any help or support, reach out to: support@mercor.com

PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.