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Added 4 mins ago
DM
Manager, IT Service Deliver and End User Experience
District Municipality of Muskoka
Bracebridge, ON
- Full-time
Develop and maintain standards to ensure solutions and service delivery practices align with relevant legislation (e.g., MFIPPA, AODA); best practice (e.g., cybersecurity standards, ITIL…
Added 5 mins ago
AC
AVP, Data Science & Price Modelling
Aviva Canada
Markham, ON
- Full-time
In this role, you'll lead the development and delivery of advanced pricing models and data-driven solutions while partnering with teams across Pricing, Actuarial, Risk, and Technology.…
Added 5 mins ago
AC
AVP, Data Science & Price Modelling
Aviva Canada
Toronto, ON
- Full-time
In this role, you'll lead the development and delivery of advanced pricing models and data-driven solutions while partnering with teams across Pricing, Actuarial, Risk, and Technology.…
Added 5 mins ago
D&
Entry-Junior Level - Associate Consultant - Calgary, AB
Dokainish & Company
Calgary, AB
- Full-time
…achieve long-lasting and impactful results across numerous business functions. Our areas of expertise include, but are not limited to, Project Management, Quantitative Risk Analysis,…
Added 5 mins ago
T
Personal Banker Trainee
TD
Gander, NL
- Full-time
…job-related knowledge, geographic location, and other specific business and organizational…
Added 5 mins ago
MM
Underwriting Assistant (Fixed-Term, 12 Months))
Marsh McLennan
Ottawa, ON
- Full-time
…underwriting expertise, the company delivers a wide range of insurance solutions – from specialty property and casualty and professional liability insurance to group and retiree benefits.…
Added 5 mins ago
GT
Program Manager
GeoSpectrum Technologies, Inc
Dartmouth, NS
- Full-time
Partnering with the Business Development team, the Program Manager plays a key role in preparing bids and proposals. Upon contract award, this role takes ownership of the full program life…
Added 5 mins ago
GT
Sustainment Engineer (Integrated Logistics Support)
GeoSpectrum Technologies, Inc
Dartmouth, NS
- Full-time
…developing, and delivering Integrated Logistics Support (ILS) solutions that ensure our naval systems remain reliable, maintainable, supportable, and cost-effective throughout their…
Added 5 mins ago
GT
Systems Engineer
GeoSpectrum Technologies, Inc
Dartmouth, NS
- Full-time
…for our innovation and for delivering reliable, customized solutions that exceed customer expectations. Over three decades, our core values have shaped a supportive and creative environment…
Added 5 mins ago
SL
Digital Graphic Designer
Sun Life
Toronto, ON · Waterloo, ON · Montreal, QC · Sun Life Waterloo King
- Full-time
…support Clients, while also generating leads, driving sales and solutions and growing their…
Added 5 mins ago
M
Responsable des solutions Salesforce/Salesforce Solution Lead
McKesson
Montreal, QC
- Full-time
Le ou la responsable des solutions Salesforce (Salesforce Solution Lead) définit l’orientation des solutions Salesforce d’entreprise complexes et transforme la stratégie en résultats…
Added 5 mins ago
IO
Senior Talent Organizational Development Specialist
Irving Oil
Saint John, NB
- Full-time
…partner with leaders to strengthen organizational capability and business performance while helping the organization successfully navigate change and transformation. Drawing on expertise in…
Added 5 mins ago
D
Personal Finance Advisor
Desjardins
Levis, QC · Caisse Desjardins de la Chaudière
- Full-time
As a personal finance advisor, you’re responsible for developing and maintaining lasting and trusting business relationships with members and clients, to ensure they’re satisfied. Your role…
Added 5 mins ago
D
Wealth Management Advisor
Desjardins
Sainte-Marie, QC · Caisse Desjardins de La Nouvelle-Beauce
- Full-time
As a wealth management advisor, you’re responsible for developing and maintaining lasting and trusting business relationships with members and clients, to ensure they’re satisfied. Your…
Added 5 mins ago
C
Analyst, Trade Control
CIBC
Toronto, ON
- Full-time
…activities, investigating discrepancies, and advising on any new business developments as required. By maintaining rigorous controls and providing timely support, you'll contribute to the…
Added 5 mins ago
C
Sr. AML Analyst, Sanctions - 6 Month Contract
CIBC
Toronto, ON
- Full-time
Relationship building - Work with business management to establish an appropriate regulatory compliance culture and help the business to ensure that compliance risk and control processes…
Added 5 mins ago
C
Client Engagement Associate
CIBC
Winfield, BC
- Part-time
As a member of the Personal and Business Banking Team, you’ll work in a fast-paced Banking Center and use your knowledge of financial services products to help clients with their day-to-day…
Added 5 mins ago
C
Community General Manager, Imperial Service
CIBC
Toronto, ON
- Full-time
…and ensure we provide advice and the appropriate products and solutions to meet our clients goals. As a Community General Manager (CGM), you will build a capable and motivated team through…
Added 5 mins ago
C
Senior Consultant, Regulatory Compliance Management
CIBC
Toronto, ON
- Full-time
…financial institution (FI), and you have good knowledge of the business and regulatory environment applicable to FIs, particularly with respect to regulatory compliance. You have excellent…
Added 5 mins ago
C
Financial Services Representative
CIBC
Toronto, ON
- Full-time
As a member of the Personal and Business Banking team, you’ll work in a fast-paced Banking Centre where you’ll make a meaningful difference in our clients’ lives. As a Financial Services…
Added 5 mins ago
C
Risk Analytics, Winter 2027 Co-op (8-month)
CIBC
Toronto, ON
- Full-time
Join CIBC’s Risk Management team who works to identify, assess, mitigate, monitor and control risks associated with business activities and strategies, and is responsible for providing an…
Added 5 mins ago
Supervisor, Claims - Large Loss
Wawanesa Insurance
Calgary, AB · AB · Lethbridge, AB · Vancouver, BC · Wawanesa, MB · Winnipeg, MB · Moncton, NB · Dartmouth, NS · Kitchener, ON · Ottawa, ON · Toronto, ON · Montreal, QC · Edmonton, AB (Hybrid), AB · North York - Toronto, ON (Hybr, ON
This role requires regular interaction with customers in X region where the primary business language utilized is English. As such, the successful candidate must be fully proficient in…
Added 5 mins ago
B
Branch Manager
BMO
Calgary, AB
- Full-time
Recommends and implements solutions based on analysis of issues and implications for the business.
Added 5 mins ago
Senior Financial Systems Analyst, Governance
Trans Mountain
Calgary, AB
…resolution, and control requirements. This position partners with business and technology teams to ensure financial systems and processes operate in accordance with approved standards,…
Added 5 mins ago
Senior ServiceNow Specialist
Trans Mountain
Calgary, AB
…support of the ServiceNow platform while working closely with business stakeholders, application support teams, developers, and external partners to deliver scalable, efficient, and…

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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