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Added 21 mins ago
GE
Hospitality F&B Assistant Manager
Grey Eagle Resort & Casino
Calgary, AB
- Full-time
…hands-on, timely quality service, exceptional value, and a superior…
Added 21 mins ago
SP
Business Strategy Senior Manager - Canadian Public Sector Experience Services
Salesforce Partner Canada
ON · Ontario, Canada
- Full-time
…repeatable delivery standard. Serve as a point of escalation and lead team members to drive results on customer engagements. Positively impact customer renewals and extensions when…
Added 21 mins ago
P
Customer Care Coordinator
PheedLoop
Toronto, ON
- Full-time
Identify opportunities to expand product usage within accounts.
Added 21 mins ago
SP
Enterprise/Commercial Account Executive – Data Foundation (MuleSoft + Informatica) or Enterprise/Commercial Account Executive - Informatica Specialist
Salesforce Partner Canada
Toronto, ON
- Full-time
…owner and leader of the backend data strategy. Carrying a dual-product quota across MuleSoft and Informatica ACV, you own long-term account growth and orchestrate extended team resources -…
Added 36 mins ago
Account Executive - Medical Device (all genders)
Schlafender Hase GmbH
L'Île-Perrot, QC
…years, and you work closely with your SDR, Marketing and our product team in…
Added 36 mins ago
A
Java Full Stack Lead
Accenture
Mississauga, ON
- Full-time
Lead full-stack application development initiatives following engineering best practices, coding standards, security requirements, and architectural guidelines.
Added 51 mins ago
S
Implementation Specialist (English/Spanish)
SysAid
Toronto, ON
- Full-time
We are seeking a bilingual Implementation Specialist (English/Spanish) to lead and manage end-to-end implementation of SysAid’s solutions, ensuring our SMB clients achieve measurable value…
Added 1 hour ago
ST
Revenue Operations Strategist
SysAid Technologies
Toronto, ON
- Full-time
…Rising ISV Star, and generative AI sits at the centre of our product…
Added 1 hour ago
ST
Implementation Specialist (English/Spanish)
SysAid Technologies
Toronto, ON
- Full-time
We are seeking a bilingual Implementation Specialist (English/Spanish) to lead and manage end-to-end implementation of SysAid’s solutions, ensuring our SMB clients achieve measurable value…
Added 1 hour ago
L
Retail Assistant Store Manager
Lovisa
Markham, ON
- Full-time
You will be the Lovisa ambassador and lead your team by example. Sharing sales techniques and achieving your stores KPIs. If you’re someone that see’s yourself as a great leader and want to…
Added 1 hour ago
C-
Commercial HVAC Service Technician
Captiveaire - Region 114 Western PA
PE · Prince, PE
- Full-time
Leader in the industry for over 40 years with innovative technologies, unmatched service, competitive pricing, and rapid lead times.
Added 2 hours ago
C-
Commercial HVAC Service Technician
Captiveaire - Region 114 Western PA
Montreal, QC
- Full-time
Leader in the industry for over 40 years with innovative technologies, unmatched service, competitive pricing, and rapid lead times.
Added 2 hours ago
SA
Assistant Restaurant Manager at IHOP
SSP America
Mississauga, ON
- Full-time
…meets our high standards for service and food quality. You’ll lead a team of Food Travel Experts, oversee daily operations, and provide hands-on support to maintain a safe, efficient, and…
Added 3 hours ago
EI
Product Structural-Mechanical Engineer
Ecolab Inc.
Calgary, AB
- Full-time
As a Product Structural-Mechanical Engineer, you will lead the design and development of next-generation Coolant Distribution Units (CDUs) that support AI, high-performance computing, and…
Added 3 hours ago
AT
Business Systems Analyst
Aarorn Technologies Inc
Toronto, ON
- $60 CAD / hour
- Contract
Lead discovery workshops, stakeholder interviews, and process mapping sessions.
Added 3 hours ago
TL
Senior Legal Counsel
Toronto Lawyers Association
Oakville, ON
- Full-time
Ability to manage multiple complex priorities, stakeholders and timelines effectively while maintaining high-quality work product and sound judgment.
Added 3 hours ago
(CAN) Front End Checkout Team Associate (LC)-Part Time Cashier**
Walmart Canada
Vaughan, ON
Promotes company sponsor programs, ie. Credit card service, product protection and charity initiatives.
Added 3 hours ago
AT
Senior Java Developer
Aarorn Technologies Inc
Toronto, ON
- $55 CAD / hour
- Contract
We are seeking a Senior Java Developer / Technical Lead to design and deliver secure, scalable, and high-volume banking and payment applications. The role will lead the development of Java…
Added 3 hours ago
G
Quality Manager
Ganotec
Toronto, ON
- Full-time
As a Quality Manager, you will lead the the Quality team and program on a projects in your assigned location.
Added 3 hours ago
V
Service Desk Capability and Incident Manager
Vanderlande
Vancouver, BC
- Full-time
The role acts as a key link between Global Support Center operations, Service Delivery Managers, Experts, Product Development, and customers to ensure a reliable, scalable, and continuously…
Added 4 hours ago
BB
Process Engineer
Breathaplasta by Adaptavate
Montreal, QC · Urban agglomeration of Montreal, QC
- Full-time
Working alongside our technical team to develop product formulations
Added 4 hours ago
D
Tier 4 Technical Support Architect
Diligent
Canada
- Full-time
Serve as a point of contact for their product areas across the entire customer service organization
Added 4 hours ago
CO
Application & Integration Technical Analyst
City of Saint John
Saint John, NB
- Full-time
Under the direction of the designated IT Manager, the Application and Integration Technical Analyst is a technical lead responsible for system architecture, data strategy, and integration…
Added 4 hours ago
GW
Real Estate and Conveyancing Clerk
Gowling WLG
Hamilton, ON
- $52,750 to $68,250 CAD / year
- Full-time
…and Thrive Together. These values shape how we collaborate, lead, and succeed – across teams, time zones, and career…
Added 4 hours ago
CC
Global Account Manager (GAM) - Montreal, QC
Cogent Communication
Montreal, QC
- Full-time
Commission: Commissions are earned on each sale based on product type:

DataVisor

Senior Data Scientist - Fraud Detection

Toronto, ON, 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, complex data, and apply agentic AI to automate analytic and investigation workflows. Lead investigations into 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 applied 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
Large-Scale Data Processing
Data Analysis
Pattern Recognition
Hypothesis Testing
Agentic AI
Technical Reporting
Cloud Platforms
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
Imbalanced Datasets
Large-Scale Data Processing
Production Machine Learning
Risk Management
Fintech
Consumer Payments
Banking
SaaS
Marketplace Risk

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