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Added 3 mins ago
SI
Intermediate Bridge Engineer
SYSTRA International Bridge Technologies
Laval, QC
- Full-time
…structures, and segmental concrete bridges. We are a world leader in metro and high-speed rail elevated guideway design. We emphasize the importance of producing bridges tailor-designed for…
Added 18 mins ago
QR
Product Marketing Agent – Glass Hardware & Glazing
Quincaillerie Richelieu Ltée/Richelieu Hardware Ltd
Montreal, QC
- Full-time
We are currently looking for a Product Marketing Agent to join our team. The product marketing agent will report to the Product Manager and will assist him in the management of product…
Added 33 mins ago
M
Junior Power Test Engineer
MDA
Sainte-Anne-de-Bellevue, QC
- Full-time
…world firsts and more than 450 missions - MDA Space is a global leader in communications, Earth observation, and space satellites, as well as space infrastructure and exploration. The MDA…
Added 33 mins ago
M
Power Test Engineer
MDA
Sainte-Anne-de-Bellevue, QC
- Full-time
…world firsts and more than 450 missions - MDA Space is a global leader in communications, Earth observation, and space satellites, as well as space infrastructure and exploration. The MDA…
Added 33 mins ago
M
Intermediate Power Test Engineer
MDA
Sainte-Anne-de-Bellevue, QC
- Full-time
…world firsts and more than 450 missions - MDA Space is a global leader in communications, Earth observation, and space satellites, as well as space infrastructure and exploration. The MDA…
Added 33 mins ago
M
Junior Test Engineer - Payload
MDA
Sainte-Anne-de-Bellevue, QC
- Full-time
…world firsts and more than 450 missions, MDA Space is a global leader in communications satellites, Earth and space observation, and space exploration and infrastructure. The MDA Space team…
Added 33 mins ago
U
Modeler (Vegetation)
Ubisoft
Quebec, QC
- Full-time
Ubisoft is a global leader in gaming with teams across the world creating original and memorable gaming experiences, from Assassin’s Creed, Rainbow Six to Just Dance and more. We believe…
Added 33 mins ago
Senior Network Development Engineer
NetBrain
Toronto, ON
5–8 years of software development experience, including building automation frameworks or developer-facing tooling
Added 33 mins ago
D
Catering Sous Chef
Dexterra
Mississauga, ON
- $25 to $28 CAD / hour
- Full-time
…performs the administrative and financial duties for the catering team such as ordering and resolving discrepancies with suppliers and customers, creation, and adherence to budgets for all…
Added 33 mins ago
D
Sous Chef with Baker Experience
Dexterra
Mississauga, ON
- $25 to $28 CAD / hour
- Full-time
Establish and implement food preparation schedules for team, creating an efficient, safe, and organized process.
Added 47 mins ago
HT
Technical Trainer
Husky Technologies
Bolton, ON
- Full-time
Husky TechnologiesTM offers a wealth of opportunity for personal growth and development. Most importantly, Husky Technologies TM offers an opportunity to work with – and be challenged by –…
Added 47 mins ago
Principal Product Manager - Billing & Platform
Constant Contact
ON
…of the most connected systems in the company. Almost every team has a stake in billing, and you will be the person who brings their needs together into one clear strategy and a medium- to…
Added 47 mins ago
Senior Software Engineer, Frontend
OpenTable
Toronto, ON
This Senior Software Engineer will join the Premium Marketing Frontend team at OpenTable and be responsible for sound technical execution through hands-on development, automated testing,…
Added 1 hour ago
T
Personal Banker Trainee
TD
Gander, NL
- Full-time
…opportunities to all colleagues. Growth opportunities and skill development are defining features of the colleague experience at TD. Our compensation policies and practices have been…
Added 1 hour ago
Project Coordinator
E.S. FOX LIMITED
Hamilton, ON
Our office in Hamilton, ON, is looking for a Project Coordinator to join our team.
Added 1 hour ago
Construction Manager
E.S. FOX LIMITED
Hamilton, ON
Our office in Hamilton, ON, is looking for a Construction Manager to join our team.
Added 1 hour ago
M
Retail Sales Leader (Island of Montreal) - Pet Nutrition
Mars
Montreal, QC · BOL-Mars Canada Inc.
- Full-time
Le Leader des Ventes au Détail – Rive Nord est responsable de la vente, de la distribution et du marchandisage des produits Mars Petcare dans les points de vente au détail (tous canaux…
Added 1 hour ago
T
Personal Banking Associate - Monkland (18.75 hours)
TD
Montreal, QC
- Part-time
Help build a positive and equitable work environment by promoting team effectiveness, participating in personal performance development and sharing industry knowledge to achieve common…
Added 1 hour ago
FH
Clinical Nurse Specialist (CNS) - Advanced Practice - Cardiac Population
Fraser Health Authority
New Westminster, BC
- $55.25 to $79.42 CAD / hour
- Full-time
Join our amazing team where you’ll play a crucial role in providing clinical leadership to the care to patients in Fraser Health In-patient surgical settings. If you enjoy working in a…
Added 1 hour ago
LM
DIRECTOR OF INFORMATION TECHNOLOGY
Lacroix Médecine Privée
Quebec, QC
- Full-time
He is also responsible for the performance of his team and the organization's technology partner ecosystem. This role is for an experienced, business-oriented, and results-driven IT leader…
Added 1 hour ago
Product Owner
Dye & Durham Talent Team
Toronto, ON
4+ years as a Product Owner / Business Analyst in software development context.
Added 1 hour ago
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Optical Test Coop/Intern
Nokia
Canada
- Full-time
Currently a candidate for a Bachelor's degree in Electrical & Computer Engineering, Computer Engineering, Software Engineering, or a related field with an accredited institution.
Added 1 hour ago
R
GitHub Enterprise & DevOps Administrator
Raise
Burnaby, BC
- Full-time
The GitHub Enterprise & DevOps Administrator to join the IT Infrastructure and DevOps Engineering team. In this role, you will collaborate closely with ’s Lead GitHub Administrator and the…
Added 1 hour ago
R
Android Senior Developer - OTT Team (French Services) (Telework/Hybrid)
Radio-Canada
Montreal, QC
- Full-time
You will be an important element of our over-the-top platform team. As such, working closely with the product owners, architects and technical managers, your role is to ensure the smooth…
Added 1 hour ago
R
Senior DevSecOps and Application Security SME
Raise
Vancouver, BC
- Full-time
…Security SME on behalf of our client. They’re expanding their team to meet growing needs, making this a unique opportunity to work with an industry leader. Our Client, is one of the largest…

DataVisor

Senior Data Scientist - Fraud Detection

Calgary, AB, Canada

$120,000 to $150,000 CAD / year · Full-time

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Job details

Pay: $120,000 to $150,000 CAD / year
Job type: Full-time
Apply by: Apr 25, 2027
Posting language: English
Posted: Oct 2, 2026

Original job description

About DataVisor

DataVisor is the world's leading AI-powered Fraud and Risk Platform that delivers the best overall detection coverage in the industry. With an open SaaS platform that supports easy consolidation and enrichment of any data, DataVisor's fraud and anti-money laundering (AML) solutions scale infinitely and enable organizations to act on fast-evolving fraud and money laundering activities in real time. Its patented unsupervised machine learning technology, advanced device intelligence, powerful decision engine, and investigation tools work together to provide significant performance lift from day one. DataVisor's platform is architected to support multiple use cases across different business units flexibly, dramatically lowering total cost of ownership compared to legacy point solutions. DataVisor is recognized as an industry leader and has been adopted by many Fortune 500 companies across the globe.

Our award-winning software platform is powered by a team of world-class experts in big data, machine learning, security, and scalable infrastructure. Our culture is open, positive, collaborative, and results-driven. Come join us!

Position Overview

We are looking for a Senior-Level Data Scientist to join our Fraud Detection team - someone equally comfortable building production ML models and getting hands-on with individual fraud cases. This is a dual-track role: you'll develop the machine learning systems that catch fraud at scale, and you'll personally lead investigations into how specific fraud attacks happened, reconstructing attacker behavior and turning case-level findings into trend reports and detection improvements. This is a great opportunity to grow your skills in a fast-paced, data-driven environment while making a real, visible impact in the fight against fraud.

Key Responsibilities

Machine Learning & Model Development

End-to-End Model Development: Lead the full lifecycle of fraud detection features and models, from ideation and data exploration to prototyping, productionizing, and monitoring
Advanced Feature Engineering: Develop highly predictive features from complex, large-scale, multi-dimensional data, including user behavior, device intelligence, network graphs, and transaction records
Large-Scale Data Processing: Work with massive, noisy, and imbalanced datasets (billions of events) using tools like Spark, SQL, and our proprietary AI platform
Agentic AI & Automation: Leverage agentic AI to automate analytic pipelines and develop reusable skill tools that accelerate fraud investigation, feature generation, and reporting workflows

Live Fraud Investigation & Reporting

Lead investigations into complex fraud cases across identities, accounts, devices, and transaction surfaces. Reconstruct attacker sequences and hypothesize actor intent and tooling
Produce clear, evidence-backed technical reports and case studies for product, engineering, operations, legal, and executive stakeholders
Generate fraud trend reports for customers, synthesizing case-level findings and aggregate data into narratives customers can act on

Requirements

Qualifications

Master's or PhD in Computer Science, Statistics, Mathematics, or a related quantitative field.

3+ years of applied experience in fraud detection, cybersecurity, or a related adversarial/high-velocity risk domain (fintech, consumer payments, banking, SaaS, marketplace risk, or security research)
Solid understanding of both classic machine learning models (Logistic Regression, Gradient Boosting, etc.)
Hands-on experience with the machine learning lifecycle in a production environment
Investigator mindset: demonstrated skill in pattern synthesis, hypothesis testing, and triaging signal from noise in ambiguous, adversarial cases - not just building and monitoring models
Strong programming skills in Python (must-have) and proficiency with SQL; experience with PySpark is a significant plus
Experience with large-scale data tools (Spark, Hadoop, etc.) and cloud platforms (AWS, GCP, Azure)
Excellent communication skills - able to explain complex, ambiguous, or technical behavior clearly to both technical and non-technical audiences, including customers and executives
Professional proficiency in written and spoken English, with the ability to collaborate effectively in a global, cross-functional team

Benefits

Base salary range: $120,000-$150,000, commensurate with experience
PTO, Stock Options, Health Benefits

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More about this job

Responsibilities

Develop, productionize, and monitor fraud detection models and features using large-scale behavioral, device, network, and transaction data, while applying agentic AI to automate analytical workflows. Lead investigations into complex fraud cases, reconstruct attacker behavior, and produce evidence-based case studies and customer trend reports.

Requirements

Requires a master's or PhD in a quantitative field and at least three years of experience in fraud detection, cybersecurity, or a related adversarial risk domain. Candidates need production machine learning experience, strong Python and SQL skills, familiarity with large-scale data tools and cloud platforms, an investigative mindset, and excellent communication skills.

Skills

Fraud Detection
Machine Learning
Feature Engineering
Fraud Investigation
Python
SQL
PySpark
Apache Spark
Hadoop
Cloud Platforms
Agentic AI
Data Analysis
Pattern Recognition
Hypothesis Testing
Technical Reporting
Communication

Benefits

Paid Time Off
Stock Options
Health Benefits

Visa sponsorship

Not detected in the job text

Keywords

Fraud Detection
Cybersecurity
Machine Learning
Logistic Regression
Gradient Boosting
Python
SQL
PySpark
Apache Spark
Hadoop
AWS
GCP
Azure
Agentic AI
Feature Engineering
Device Intelligence
Network Graphs
Transaction Records
Fraud Investigation
Pattern Synthesis
Hypothesis Testing
Production Machine Learning
Large-Scale Data Processing
Imbalanced Datasets
Risk Management
Fintech
Consumer Payments
Banking
SaaS
Anti-Money Laundering

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