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Added 1 min ago
Hamilton, Oakville and Ottawa Office - Opportunities in US Corporate Tax- Co-op/Intern - Summer 2027 (12-16 Month Term) - McMaster CIP
KPMG Canada
Oakville, ON
Internship
Our Hamilton, Oakville and Ottawa offices are seeking undergraduate business, commerce and accounting and finance students who are pursuing their CPA to join the team as co-op or intern…
Added 1 min ago
Hamilton & Oakville Offices - Opportunities in Audit - Co-op/Intern - Fall 2027 (12 Month Term) - McMaster CIP or Western BMOS Programs
KPMG Canada
Oakville, ON
Internship
Our Hamilton and Oakville Offices are seeking undergraduate business, commerce and accounting and finance students who is pursuing their CPA designation to join the team as a Fall 2027…
Added 1 min ago
Hamilton, Oakville and Ottawa Office - Opportunities in US Corporate Tax- Co-op/Intern - Summer 2027 (12-16 Month Term) - McMaster CIP
KPMG Canada
Hamilton, ON
Internship
Our Hamilton, Oakville and Ottawa offices are seeking undergraduate business, commerce and accounting and finance students who are pursuing their CPA to join the team as co-op or intern…
Added 1 min ago
Hamilton & Oakville Offices - Opportunities in Audit - Co-op/Intern - Fall 2027 (12 Month Term) - McMaster CIP or Western BMOS Programs
KPMG Canada
Hamilton, ON
Internship
Our Hamilton and Oakville Offices are seeking undergraduate business, commerce and accounting and finance students who is pursuing their CPA designation to join the team as a Fall 2027…
Added 1 min ago
Hamilton, Oakville and Ottawa Office - Opportunities in US Corporate Tax- Co-op/Intern - Summer 2027 (12-16 Month Term) - McMaster CIP
KPMG Canada
Ottawa, ON
Internship
Our Hamilton, Oakville and Ottawa offices are seeking undergraduate business, commerce and accounting and finance students who are pursuing their CPA to join the team as co-op or intern…
Added 1 hour ago
Banking Advisor Intern - Squamish Branch
RBC
Squamish, BC
Full-time
Added 1 hour ago
Intern, Research and Technology, Program Office (Winter 2027)
Bombardier
Mississauga, ON
$17.95 to $31 CAD / hour
Volunteer
Intern, Research and Technology, Program Office, 8-12 months
Added 1 hour ago
Operational Trade Marketing Intern
Coty
Toronto, ON
We’re looking for a beauty-passionate OTM Intern to join the Canadian team. This role offers meaningful “hands on” work experience in a highly dynamic environment. Trade Marketing is a…
Added 1 hour ago
Software Automation Developer Intern
Exegy
Remote, Canada
Full-time · Remote
Exegy is seeking a motivated and detail-oriented Software Automation Developer Intern to join our Montreal-based Software Automation team. This internship offers hands-on experience…
Added 1 hour ago
Client Advisor Intern – Mandarin/Cantonese
Royal Bank of Canada
Ottawa, ON
Part-time
Added 2 hours ago
Business Administration Intern
Archmill House
Hamilton, ON · Ancaster, Ontario
Part-time
The Business Administration Intern provides hands-on support to help streamline business operations. This role works closely with Project Managers, Site Managers, and internal teams to help…
Added 2 hours ago
Intern - Business Analysis
BSH Home Appliances Corporation - North America
Mississauga, ON
Full-time
Added 2 hours ago
Financial Planning Internship - Wealth Advisor Practice - Winter 2027
IG Wealth Management
AB · Alberta, Canada
Volunteer
…entrepreneurship, and the business side of wealth management. As an intern, you’ll gain practical exposure to how a financial planning practice operates, how client relationships are built,…
Added 3 hours ago
Intern, Development Accounting (8 month)
Dream
Toronto, ON
Full-time
Dream is looking for an Intern, Development Accounting (8 month)!
Added 3 hours ago
Credit Analyst Intern
Societe Generale
Montreal, QC
Full-time
Sustainable & Positive Impact Finance Solutions team (ENV)
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Intern- Project Finance Portfolio Management
Societe Generale
Montreal, QC
Full-time
…monitoring the performance and risk profile of complex project finance transactions throughout their lifecycle - from construction through ongoing operations. By leveraging sector expertise…
Added 3 hours ago
Summer Research Professional Intern - Generalist
Analysis Group
Montreal, QC
Full-time
…Asia. Since 1981, we have provided expertise in economics, finance, health care analytics, and strategy to top law firms, Fortune Global 500 companies, and government agencies worldwide.…
Added 4 hours ago
PhD Data Scientist, Intern
Stripe
Toronto, ON
As an intern at Stripe you’ll work on projects across our stack that directly impact the way millions of businesses operate. You’ll own problems end to end with the support of your manager…
Added 4 hours ago
Data Analyst, Intern
Stripe
Toronto, ON
As an intern at Stripe you’ll work on projects across our stack that directly impact the way millions of businesses operate. You’ll own problems end to end with the support of your manager…
Added 4 hours ago
Secondaries & Primaries Intern - January 2026 I Montreal
Ardian
Montreal, QC
Internship
The intern will have significant responsibilities from day one and become an integral part of the team. Key responsibilities include supporting the team in investment functions such as…
Added 5 hours ago
Oracle Consultant Intern/ Consultant stagiaire Oracle
IBM
Montreal, QC
$57,886.4 to $89,294.4 CAD / year
Full-time
…Associates Program for university and college hires. As an Intern at IBM Consulting, you will have the opportunity to work with a diverse range of clients worldwide. Our clients' technical…
Added 5 hours ago
Workplace Design Intern - Winter 2027
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Toronto, ON
While working under direct supervision of the Sr Director, Office Experience & Facilities - an intern functions as an Entry Level Workplace Designer and performs a broad variety of drafting…
Added 5 hours ago
Secondaries & Primaries Intern – January 2026 I Montreal
Ardian Jobs & Internships
Montreal, QC
Full-time
The intern will have significant responsibilities from day one and become an integral part of the team. Key responsibilities include supporting the team in investment functions such as…
Added 6 hours ago
Finance Intern
Employment Solutions - Sault College
Garden Hill, MB
Full-time
Michipicoten is seeking a full-time Finance Intern. Reporting to the Finance Administrator, the Finance Intern is responsible for day-to-day receivable functions for Michipicoten First…
Added 6 hours ago
Accounting and Payroll Clerk
Employment Solutions - Sault College
Sault Ste. Marie, ON
Contract
Posted: Sep 30, 2026 View Finance Intern - ID 0

Stripe

PhD Data Scientist, Intern

Toronto, ON, Canada

Posting language: English
Posted: Oct 1, 2026

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Original job description

Who we are

About Stripe

Stripe is a technology company focused on improving the conditions for economic growth and prosperity. We build programmable financial infrastructure, rethinking from first principles how financial services should work, to make it easier and cheaper for any business to start and scale. More than 10 million businesses build on Stripe, spanning the economic frontier - from solo founders to established enterprises - united by a practical focus on growth. The most ambitious companies in the world use Stripe as core infrastructure to grow faster. They process trillions of dollars a year on Stripe, equivalent to around 1.6% of global GDP. While economic growth makes everyone better off, open markets also enable greater variety. When any business can easily serve a global customer base, the quality and diversity of products in the world increase, and craft and creativity are unleashed into the smallest niches. Our own growth is wholly contingent on the success of the businesses building on Stripe. We therefore invest back into our technology at an unusual rate. We make upgrades to our products every single day to deliver compounding gains to our customers. We maintain some of the most reliable APIs on the internet. We build entirely new pieces of financial infrastructure to enable new ideas. And our significant advances in risk and fraud infrastructure over many years are making the internet economy safer and more accessible.

Though people at Stripe don’t tend to take themselves seriously, Stripe is a fairly serious place: our customers are depending on us for their livelihoods. We admire ambition, intensity, curiosity, humility, and rigor. The most effective people become knowledgeable about many domains besides their own. Any company is an applied exercise in understanding some aspect of society or the market. In working with so many (especially the new and innovative ones), we think that Stripe is one of the very best places to learn about how the world works.

About the team

Our Data Science team partners deeply with teams across Stripe to ensure that our users, our products, and our business have the models, data products, and insights needed to make decisions and grow responsibly. We're looking for data scientists with a passion for analyzing data, building machine learning and statistical models, and running experiments to drive impact. Our Fraud, Losses, and Financial Crime Data Science team builds the models and data products that protect Stripe and its users from fraud, account takeover, and financial crime. We own the full fraud and loss modeling stack - from account takeover detection and card fraud classification to merchant-level loss estimation, unsupervised anomaly detection, and financial crime risk modeling. We partner with Fraud Engineering, Financial Crimes Engineering, and Risk Operations to bring these systems into production and ensure they have measurable impact on Stripe's financial integrity and user trust.

What you’ll do

As an intern at Stripe you’ll work on projects across our stack that directly impact the way millions of businesses operate. You’ll own problems end to end with the support of your manager and teammates. It’s an opportunity to work alongside some of the most creative and technically rigorous data analysts and scientists in the industry. You'll partner deeply with teams across Stripe to ensure that our users, our products, and our business have the models, data products, and insights needed to make decisions and grow responsibly. You'll work closely with partners to extract insights from the rich and complex data at Stripe. You'll build metrics, scalable data pipelines, dashboards, and reports to inform and run the business. You'll deliver actionable business recommendations through analyses and data storytelling.

Our internship program is competitive and the expectations are high.

Responsibilities

Applying probability distributions, statistical inference, and hypothesis testing to quantify uncertainty and evaluate business outcomes
Using Python or R for data analysis, data processing, visualizations, statistical modeling, machine learning, predictive analytics, automation, and implementing causal inference and experimental analyses
Building, training, and evaluating predictive models across regression and classification tasks for bias-variance trade-offs and model selection
Modeling temporal dependencies, seasonality, and trend decomposition to generate and evaluate time-series predictions
Identifying structural patterns, clusters, and outliers in unlabeled data
Deploying models in production and adjusting model thresholds to improve performance
Designing, running, and analyzing complex experiments and leveraging causal inference designs
Using SQL and Spark to create, transform, and analyze large datasets
Learn quickly by asking great questions, finding how to work with your mentor and teammates effectively, and communicating the status of your work clearly
Present your work to the Data Science team, partner teams, and fellow interns.

Who you are

Ambitious builder: You’re energized by building solutions without clear precedent and solving problems with far-reaching consequences. Successful Stripes are deeply curious, and prefer the joy of discovery to the comfort of certainty.
Rigorous thinker: You appreciate that things worth doing are rarely simple. You enjoy working on problems that have never been tackled before.
Adaptable problem solver: You adapt quickly and treat obstacles as opportunities. At Stripe we embrace kindness while encouraging Stripes to take measured risks and act boldly, even in the absence of consensus.

Minimum requirements

Enrolled in a quantitative PhD program (e.g. Data Science, Statistics, Economics, Mathematics, etc.) with the expectation of graduating in December 2027 or spring/summer 2028
Experience with SQL and a scientific computing language (such as Python, R, etc.)
Proficiency with AI tools to accelerate model development, analysis, and coding
Experience communicating and collaborating with multidisciplinary stakeholders in a team environment

Preferred qualifications

Experience writing and debugging data pipelines
Demonstrated ability to evaluate and receive feedback from mentors, peers, and stakeholders via experience from previous internships or other multi-person projects
Ability to learn new systems and form an understanding of those systems, through independent research and working with a mentor and subject matter experts

Apply About employer

More about this job

Responsibilities

The intern will build and deploy machine learning models and data products to protect Stripe from fraud and financial crime. They will also partner with cross-functional teams to extract insights, build scalable data pipelines, and deliver actionable business recommendations.

Requirements

Candidates must be enrolled in a quantitative PhD program with an expected graduation date in 2027 or 2028. Proficiency in SQL and a scientific computing language like Python or R is required.

Skills

Python
R
SQL
Spark
Machine Learning
Statistical Modeling
Predictive Analytics
Causal Inference
Experimental Design
Data Pipelines
Time-series Analysis
Anomaly Detection
Data Visualization
Hypothesis Testing
Probability Distributions

Visa sponsorship

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Keywords

Data Science
Machine Learning
Python
R
SQL
Spark
Fraud Detection
Financial Crime
Statistical Inference
Predictive Modeling
Causal Inference
Time-series Analysis
Data Pipelines
Anomaly Detection
Experimental Design
Data Storytelling
Risk Modeling
Financial Infrastructure
Quantitative Analysis
Regression
Classification
Bias-variance Trade-off
Automation
Dashboarding
Data Processing

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