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Added 3 months ago
EB
Director, Treasury, Finance, and Stress Testing Model Validation
EQ Bank | Canada's Challenger Bank
Toronto, ON
- Full-time
Advanced programming skills in Python, SQL, MATLAB, Excel VBA with macro. Previous experience in data analytics is preferred.
Added 3 months ago
C
Software Engineer – Margin Technology - Officer
Citi
Mississauga, ON
- Full-time
Proficiency in programming in mainly Java, React and/or Python
Added 3 months ago
ES
Senior Data Engineer
Euna Solutions
ON · Oakville, Ontario
- Full-time
Strong SQL and Python, and comfort with transformation tooling such as dbt.
Added 2 months ago
P
Senior Software Engineer C# .NET
Prophix
Remote, Canada
- Full-time
- Remote
Proven proficiency with Microsoft technologies including C# .NET/Core, SQL Server, and Entity Framework.
Added 3 months ago
A-
Analyst, Business Analysis
AMA - Alberta Motor Association
Edmonton, AB
- Full-time
Familiarity with data management languages (Python, R) and experience in the insurance industry are strong assets.
Added 2 months ago
Développeur Java / Java Developer
mthree Recruiting Portal
Montreal, QC
…la création de procédures stockées, l’écriture de requêtes SQL, l’optimisation des performances et l’utilisation d’outils ETL tels qu’Informatica ou Python…
Added 2 months ago
Data Scientist, Fraud
Stripe
Toronto, ON
Proficiency in SQL and a computing language such as Python or R
Added 3 months ago
Q-
Montreal [Hybrid] IT Business Analyst
QUANTEAM - North America (RAINBOW PARTNERS Group)
Montreal, QC
- Full-time
Ability to read and ideally perform minor updates to Python scripts.
Added 3 months ago
DI
Full Stack Engineer (1876)
Direct IT Recruiting Inc.
Toronto, ON
- $85 to $90 CAD / hour
- Contract
SKILLS: 5+ Full Stack developer, .NET., .NET Core, C#, SQL, Python, develop APIs, SSAS, MDX, OLAP, cubes, measures, hierchies, financial analytics, Snowflake, Azure, AKS, GitHub Copilot,…
Added 3 months ago
I
Quality Engineering Analyst
Infosys
Mississauga, ON
- Full-time
As a Quality Engineering Analyst, you will act as a validation and quality assurance expert and review the functionality of existing systems. You will conduct requirement analysis, define…
Added 3 months ago
C
Sr Business Systems Analyst (eFX)
CIBC
Toronto, ON · Greater Toronto Area, Canada
- Full-time
…solutions. You thrive in a fast-paced, high-intensity environment and can manage multiple priorities. You can communicate well and present technical details to a non-technical audience. You…
Added 3 months ago
P
Senior Analytics Engineer
Passage
Toronto, ON
- Full-time
Have operated an orchestrator (Airflow or similar) and are comfortable in Python.
Added 3 months ago
BC
Sr. Software Engineer (AI/ML)
Blackpoint Cyber
Remote, Canada
- $150,000 to $180,000 CAD / year
- Full-time
- Remote
Lead and drive back-end projects across the stack, including Python and Node.js/Go services hosted on Kubernetes, owning delivery end-to-end.
Added 3 months ago
G
Spécialiste livraison et soutien / Delivery & Support Specialist - Unification
Genetec
Remote, Canada
- Full-time
- Remote
Added 2 months ago
Data Engineer
Capgemini
Mississauga, ON
Strong proficiency in Spark Core Spark SQL Spark Streaming and Spark Graph Xbeneficial
Added 3 months ago
Senior Data Engineer
Talents LGS
Montreal, QC
At IBM Consulting FutureNow, we unite human expertise and artificial intelligence to deliver client results with certainty, speed, and value. Fueled by LGS, with offices in Montreal and…
Added 3 months ago
P
Credit Risk Modelling Senior Associate (Bilingual FR/EN)
PwC
Montreal, QC
- Full-time
Significant experience and proven ability in at least one of the following programming languages/softwares: Python, R, SQL, SAS, C++, etc.
Added 3 months ago
A
Gestionnaire de projet en ingénierie / Project Manager, Engineering
Airbus
Montreal, QC · Mirabel, QC
- Full-time
Forte maîtrise de l'extraction, de l'analyse et de la visualisation de données (Excel/Google Sheets avance, SQL, Python, Qlik, Tableau, Apps Script, MS SQL, etc.);
Added 3 months ago
QUALITY ASSURANCE AUTOMATION TESTER - HYBRID
Green Shield Canada
Toronto, ON · Windsor, ON
Hands on experience with scripting language such as VB script / C# and SQL scripts or Successful completion of approved scripting course
Added 3 months ago
MH
Senior Full-Stack Automation Engineer - Gravity
MedMe Health
Remote, Canada
- $115,000 to $176,000 USD / year
- Full-time
- Remote
Core Tech Stack: Expert-level proficiency in Python and Node.js.
Added 3 months ago
B
Senior Data Engineer
BrainStation
Toronto, Ontario
- $120,000 to $145,000 USD / year
- Full-time
Strong programming skills in SQL, Python, or related languages.
Added 3 months ago
B
Data Engineer
BrainStation
Toronto, Ontario
- $90,000 to $125,000 USD / year
- Full-time
Strong programming skills in SQL, Python, or related languages.
Added 3 months ago
AA
Staff Software Developer, Capital
ACV Auctions
Toronto, Ontario
- Full-time
We are seeking a talented and enthusiastic Staff Software Developer to join our growing team. In this role, you will design, develop, and maintain software applications that solve…
Added 3 months ago
FH
Senior Software Engineer - Fullstack
Function Health
Canada
- Full-time
As a Senior Full Stack Developer on the imaging team, you will be a technical leader who architects, builds, and scales the web platforms that power our cancer‑screening experience. You’ll…
Added 3 months ago
PI
Data Platform Engineer
Princeton IT Services, Inc
Toronto, Ontario
- Full-time
Design and develop Snowflake-native applications including Snowpark (Python), stored procedures, tasks, streams, and dynamic tables to support day-end processing engines that run natively…

Stripe

Data Scientist, Fraud

Toronto, ON, Canada

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Job details

Experience: 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
Posting language: English
Posted: Sep 4, 2026

Original job description

Who we are

About Stripe

Stripe is a financial infrastructure platform for businesses. Millions of companies - from the world's largest enterprises to the most ambitious startups - use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead. That means you have an unprecedented opportunity to put the global economy within everyone's reach while doing the most important work of your career.

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

We're looking for a Data Scientist to join the Fraud Data Science team. In this role, you'll build and improve the models that power Stripe's fraud detection and loss management systems. You'll work closely with Fraud Engineering and Risk Operations to move models from research to production, and you'll use data to surface insights that shape fraud strategy across the business.

Data scientists on this team apply supervised and unsupervised machine learning, statistical modeling, causal inference, optimization, and experimentation to some of the most consequential risk problems in global payments.

Who you are

We're looking for someone who meets the minimum requirements to be considered for the role. If you meet these requirements, you are encouraged to apply. The preferred qualifications are a bonus, not a requirement.

Minimum requirements

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 a computing language such as Python or R
Experience in working with cross-functional teams to deliver results
Ability to communicate results clearly and a focus on driving impact
A demonstrated ability to manage and deliver on multiple projects with a high attention to detail
Strong business acumen and experience in synthesizing complex analyses into actionable recommendations
Proficiency with AI tools to accelerate model development, analysis, and coding

Preferred qualifications

Strong knowledge and hands-on experience in several of the following areas: machine learning, statistics, optimization, causal inference, and experimentation
Experience deploying models in production and adjusting model thresholds to improve performance
Experience designing, running, and analyzing complex experiments or leveraging causal inference designs
A builder's mindset with a willingness to question assumptions and conventional wisdom
Experience with distributed tools such as Spark, Hadoop, etc.
A PhD or MS in a quantitative field (e.g., Statistics, Engineering, Mathematics, Economics, Quantitative Finance, Sciences, Operations Research)

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More about this job

Responsibilities

You will build and improve machine learning models to power fraud detection and loss management systems. You will also collaborate with engineering and operations teams to move research into production and derive actionable insights.

Requirements

Candidates must have a degree in a quantitative field with 1-8 years of experience depending on the level of education. Proficiency in SQL, Python or R, and experience in fraud or risk modeling are required.

Skills

Data Science
Machine Learning
Statistical Modeling
SQL
Python
R
Fraud Detection
Risk Management
Financial Crime
Causal Inference
Optimization
Experimentation
Data Analysis
Spark
Hadoop

Visa sponsorship

Not detected in the job text

Keywords

Data Science
Fraud
Risk
Financial Crime
Machine Learning
SQL
Python
R
Statistical Modeling
Causal Inference
Optimization
Experimentation
Spark
Hadoop
Data Products
Anomaly Detection
Risk Operations
Financial Integrity
Quantitative Modeling
Business Acumen

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