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Added 11 mins ago
Principal Systems Engineer- Enterprise AI (Design & Implementation)
Flatgigs
Montreal, QC
Full-time
…between systems thinking, high-level architecture and hands-on software engineering. The successful candidate will design and build scalable, enterprise-grade AI systems, reusable software…
Added 11 mins ago
Manager, Product Management (eCommerce)
Toromont Cat
Concord, ON
Full-time
Coordinate with Caterpillar, IT, and internal stakeholders to align platform capabilities, integrations, and go‑live plans with business objectives.
Added 11 mins ago
Lead IT Scrum Master, AI Initiatives
Royal Bank of Canada
Toronto, ON
Full-time
…Personal and Commercial Banking and Wealth Management. We also lead the development of digital tools and platforms to enhance…
Added 41 mins ago
Manager, Learning Experience and Support
IATA
Montreal, QC
Learning Experience Design & Governance: Lead the end‑to‑end design and governance of learner journeys across all training platforms. Translate business and customer needs into intuitive,…
Added 1 hour ago
Software Architect
Arkion Identity Systems
Toronto, ON · Greater Toronto Area, Canada
Full-time
We are building a highly secure and scalable cloud-native platform for non-human identity governance. We are looking for a Software Architect to define and implement the technical…
Added 1 hour ago
Dynamics 365 CRM Solution Engineer
Microsoft
Toronto, ON · Ottawa, ON · Vancouver, BC · Edmonton, AB · Calgary, AB
Full-time
As a Dynamics 365 CRM Solution Engineer, you will lead AI transformation engagements with deep CRM domain expertise. Your role involves owning the technical win strategy and supporting AI…
Added 1 hour ago
Director of Engineering
TAIRC
ON · Regional Municipality of York, ON
Volunteer
Lead engineering teams: Manage software and hardware engineering teams, ensuring projects are completed on time and within budget.
Added 2 hours ago
Software Developer III, Web Identity
Google
Waterloo, ON
Experience developing any of the following: web technologies, web platform, identity management, chromium, generative AI agent.
Added 2 hours ago
Senior Embedded Software Designer
Kepler Communications Inc.
Toronto, ON
Full-time
We're on the hunt for a top-tier Embedded Software Engineer. Your focus will be on software development and maintenance required for both space and ground-based assets for a growing fleet…
Added 3 hours ago
Senior Program Manager
Jobgether
Canada
Full-time
As a Senior Program Manager, you will lead complex, cross-functional software initiatives from planning through release, helping teams deliver against ambitious customer and business…
Added 3 hours ago
Director - AI, Automation, & Digital Experience
Alberta Health Services
AB · Greater Edmonton Metropolitan Area
Full-time
…technology solutions with business and organizational objectives. Lead or significantly contribute to digital initiatives that improve services, processes, or…
Added 3 hours ago
Developer (Full Stack), Senior
MissionPerform
Mississauga, ON
Full-time
Mission Perform is a performance-driven consulting, AI, and software development that partners with organizations, by building winning cultures that elevate both organizational and…
Added 3 hours ago
Product Manager
Enverus
Calgary, AB
Full-time
The energy industry is changing fast. But we've continued to lead the way in energy technology, creating intelligent connections across the entire energy ecosystem, from renewables, power…
Added 5 hours ago
Software Chief Engineer
Kepler Communications Inc.
Canada
Full-time
Escalate software technical issues that threaten program or platform success.
Added 5 hours ago
Software Engineer III
trane technologies
Montreal, QC
Full-time
You'll get to build the brains behind smarter buildings. As a Software Developer III, you'll lead the design and development of the backend services that power our Cloud-based Building…
Added 5 hours ago
Business Development Representative
PheedLoop Events
Toronto, ON
Full-time
…conferences and trade shows to hybrid and virtual experiences, our software powers high-impact events around the world. As one of Canada’s fastest-growing event technology companies, we…
Added 6 hours ago
Sales Commission Manager
Geotab
Toronto, ON · Oakville, ON · Waterloo, ON
…to help customers better manage their fleets. Geotab’s open platform and Geotab Marketplace ®, offering hundreds of third-party solution options, allows both small and large businesses to…
Added 6 hours ago
Project Manager, Capture and Optimization of Research Data (CORD) Platform
RI-MUHC | Research Institute of the MUHC | #rimuhc
Montreal, QC
Full-time
…to join the Capture and Optimization of Research Data (CORD) platform of the Centre for Outcomes Research and Evaluation (CORE). CORD provides researchers with expert support, technical…
Added 7 hours ago
Account Executive, Enterprise
Solink
Remote, Canada
$260,000 to $350,000 CAD / year
Full-time · Remote
Our cloud-based platform integrates seamlessly with your existing cameras and systems, turning them into intelligent sensors that detect and interpret key moments. This empowers teams to…
Added 7 hours ago
Civil Designer / EIT – Technology & Innovation Lead
Torus Talent
Vancouver, BC · Greater Vancouver, BC
$80,000 to $120,000 CAD / year
Full-time
…combines civil drawings and 3D modelling with the opportunity to lead AI adoption and other improvements across the…
Added 7 hours ago
Manager, Engineering – Accounts
TD
Toronto, ON
Full-time
Investment Management, Retail Wealth is seeking an experienced and highly motivated Engineering Manager, to lead Account Pods enabling the next generation Investment platform and enhancing…
Added 8 hours ago
Senior Manager, Engineering & Build
Royal Bank of Canada
Toronto, ON
Full-time
Application Development, Application Integrations, Application Maintenance, Applications Architecture, Big Data Management, Cloud Computing, Commercial Acumen, Data Warehousing (DW),…
Added 8 hours ago
Développeur.se de logiciels sénior.e - Plate-forme de capture multimodale / Senior Software Developer - Multimodal Capture Platform
Electronic Arts (EA)
Vancouver, BC
Full-time
As a Senior Software Engineer, you will own the architecture and development of a shared platform for capturing synchronized, multimodal data from EA game engines. You will create the…
Added 8 hours ago
Développeur.se de logiciels sénior.e - Intégration du jeu et fiabilité de la capture / Senior Software Developer - Game Integration & Capture Reliability
Electronic Arts (EA)
Vancouver, BC
Full-time
As a Senior Software Engineer, you will integrate EA's shared game-data capture technology into production game codebases and establish the systems that make instrumented title builds…
Added 8 hours ago
Développeur.se de logiciels sénior.e - Plate-forme de capture multimodale / Senior Software Developer - Multimodal Capture Platform
Electronic Arts (EA)
Montreal, QC
Full-time
As a Senior Software Engineer, you will own the architecture and development of a shared platform for capturing synchronized, multimodal data from EA game engines. You will create the…

DataVisor

Senior Data Scientist - Fraud Detection

Toronto, ON, Canada

Pay: $120,000 to $150,000 CAD / year
Job type: Full-time
Apply by: Mar 22, 2027
Posting language: English
Posted: Sep 23, 2026

Apply About employer

Applications open in a new tab.

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

Apply About employer

More about this job

Responsibilities

Develop, productionize, and monitor fraud detection models and features using large-scale, complex data, while applying agentic AI to automate analysis 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, large-scale data and cloud platform familiarity, an investigative mindset, and excellent communication skills.

Skills

Fraud Detection
Machine Learning
Fraud Investigation
Feature Engineering
Python
SQL
PySpark
Apache Spark
Large-Scale Data Processing
Agentic AI
Data Analysis
Pattern Recognition
Hypothesis Testing
Technical Reporting
Cloud Platforms
Device Intelligence

Benefits

Paid Time Off
Stock Options
Health Benefits

Visa sponsorship

Not detected in the job text

Keywords

Fraud Detection
Fraud Risk
Cybersecurity
Machine Learning
Logistic Regression
Gradient Boosting
Feature Engineering
Python
SQL
PySpark
Apache Spark
Hadoop
AWS
Google Cloud Platform
Microsoft Azure
Agentic AI
Automation
Device Intelligence
Network Graphs
Transaction Records
Large-Scale Data Processing
Imbalanced Datasets
Fraud Investigation
Pattern Synthesis
Hypothesis Testing
Attacker Behavior
Technical Reporting
Trend Reporting
Fintech
Anti-Money Laundering

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