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Added 20 mins ago
Senior Manager, Culture Leadership and Learning, Executive Leadership Programs
Deloitte
Toronto, ON
Full-time
…business strategy and people performance, you will partner with senior leaders to deliver leadership development, learning, and culture initiatives that strengthen organizational capability…
Added 20 mins ago
Developer (Full Stack), Intermediate
MissionPerform
Mississauga, ON
Full-time
Direct access: regular, unfiltered collaboration with senior consultants, executives, and clients. You'll see how the business and its clients actually operate, not just receive tickets.
Added 20 mins ago
Developer (Full Stack), Senior
MissionPerform
Mississauga, ON
Full-time
Direct access: regular, unfiltered collaboration with senior consultants, executives, and clients. You'll help shape technical strategy, not just receive tickets.
Added 20 mins ago
Developer (Full Stack), Student
MissionPerform
Mississauga, ON
Full-time
Direct access: exposure to senior consultants, executives, and clients - see how the business and its clients actually operate, not just receive tickets.
Added 20 mins ago
SAP Senior Project Manager
Deloitte
Toronto, ON
Full-time
As a Senior Manager within Deloitte's SAP Project Management practice, you will:
Added 50 mins ago
Senior Design Engineer (Highways & Roads)
Jacobs
Calgary, AB
$120,000 to $165,000 USD / year
Full-time
We are seeking a Senior Design Engineer to join our Highways & Roads team in Ontario. In this role, you’ll contribute to the design and delivery of complex transportation infrastructure…
Added 1 hour ago
Senior Water Engineer
Stanley Consultants
St. Thomas, ON
Full-time
Stanley Consultants is seeking a Senior Water Engineer to join our West Palm Beach, FL office in support of a multi-disciplinary team delivering projects throughout the US Virgin Islands.…
Added 1 hour ago
Intermediate Software Engineer
AltaML
Toronto, ON
$90,000 to $110,000 CAD / year
Full-time
Technical Autonomy: Resolves the large majority of technical blockers independently, without routinely escalating to senior engineers.
Added 1 hour ago
Senior Data Engineer – Ingénieur des données
KPI Digital Solutions
Montreal, QC
Other
Has the title implied, the candidate is a data engineer meaning he is a full fledge experienced developer very solid in both Python and Spark
Added 1 hour ago
Software Chief Engineer
Kepler Communications Inc.
Canada
Full-time
As the Software Leader/Chief Engineer, you are the senior technical authority for software across Kepler’s programs and the point of technical accountability for the integrity and coherence…
Added 1 hour ago
Senior Data Analyst I, Product
Mistplay
Toronto, ON
Full-time
Au sein du service des données de Mistplay, l'analyste de données sénior I, Produit jouera un rôle crucial dans l'amélioration de la performance commerciale de Mistplay grâce à une analyse…
Added 2 hours ago
Senior AI/ML Applications Architect
GE Vernova
Markham, ON
Full-time
Added 2 hours ago
Program Risk Manager
Jacobs
Toronto, ON
$150,000 to $200,000 USD / year
Full-time
As a key member of the Program Management team, you will work closely with project teams, client stakeholders, and senior leadership to ensure that risks and opportunities are effectively…
Added 2 hours ago
Staff Marketing Technology Engineer
Absorb
Remote, Canada
Full-time · Remote
…reviewed, tested, securely deployed, and maintainable. This is a senior individual-contributor role that provides technical leadership and architectural direction across our marketing…
Added 2 hours ago
Executive Assistant Manager
Kim Cosic Consulting Inc.
Toronto, ON · Greater Toronto Area, Canada
Full-time
…promise. It's the job from day one. You'll have a direct line to senior leadership, a high performing team of EAs varying from new to the team to highly experienced, and real scope to shape…
Added 2 hours ago
Lead, Account-Based Marketing Strategy (ABX)
Sage
Toronto, ON
Full-time
Reporting to a Senior Director, you'll lead the ABX strategy and operating model that helps teams focus on the right accounts, understand where accounts are progressing or stalling, and…
Added 3 hours ago
Senior Software QA Tester
Alimentiv
London, ON
$89,000 to $138,000 CAD / year
Full-time
The Senior Software QA Tester is responsible for leading test strategy, execution, and quality outcomes for Alimentiv's regulated medical imaging software and hardware products, bringing…
Added 3 hours ago
Project Manager, Sales Enablement & Executive Customer Engagement
Husky Technologies
Bolton, ON
Full-time
…Husky delivers clear, compelling, and consistent narratives to senior customer audiences while enabling the sales organization with scalable, high-impact materials aligned to strategic…
Added 3 hours ago
Strategy Director
Leo Toronto
Toronto, ON
$125,000 to $135,000 CAD / year
Full-time
Leo Burnett Toronto is looking for a Strategy Director to join our team. Partnering closely with senior business and creative leaders, you will shape strategies that solve complex business…
Added 3 hours ago
Senior Manager, Organic Growth
Mistplay
Toronto, ON
$120,000 to $165,000 CAD / year
Full-time
Mistplay is seeking a strategic and hands-on Senior Manager of Organic Growth to help build and scale the organic acquisition engine for our fast-growing rewarded gaming platform. This…
Added 3 hours ago
Account Executive, Enterprise
Solink
Remote, Canada
$260,000 to $350,000 CAD / year
Full-time · Remote
Build trusted relationships with senior and executive decision-makers, acting as a strategic advisor who connects customer priorities to measurable business value with Solink.
Added 3 hours ago
Staff UX Researcher
Okta
Toronto, ON
Staff-Level Expertise: 7+ years of hands-on UX research experience in complex B2B, developer, or enterprise software environments, with a track record of driving product impact at a Senior…
Added 3 hours ago
Staff UX Researcher
Okta
Toronto, ON
$140,000 to $193,000 CAD / year
Full-time
Staff-Level Expertise: 7+ years of hands-on UX research experience in complex B2B, developer, or enterprise software environments, with a track record of driving product impact at a Senior…
Added 4 hours ago
Intermediate Architect
Zeidler Architecture
Calgary, AB
Full-time
…construction administration. Working under the supervision of senior staff or the Partner in Charge, this role contributes to design excellence, technical quality, and effective project…
Added 4 hours ago
Manager, Information Compliance Risk Management
Raymond James Ltd.
Toronto, ON
Full-time
Inform Senior Compliance Management about issues and potential regulatory exposures.

DataVisor

Senior Data Scientist - Fraud Detection

Remote, Canada

Pay: Base salary range: $120,000–$150,000, commensurate with experience.
Job type: Full-time
Workplace: Remote
Posting language: English
Posted: Sep 23, 2026

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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.

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.

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

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More about this job

Responsibilities

Lead the full lifecycle of fraud detection models and machine learning systems while conducting hands-on investigations into complex fraud cases. Synthesize case-level findings into actionable trend reports and technical documentation for various stakeholders.

Requirements

Requires a Master's or PhD in a quantitative field and at least 3 years of experience in fraud detection or adversarial risk domains. Candidates must possess strong Python and SQL skills, along with an investigator mindset for pattern recognition and hypothesis testing.

Skills

Machine Learning
Fraud Detection
Python
SQL
PySpark
Data Exploration
Feature Engineering
Big Data
Agentic AI
Data Analysis
Pattern Synthesis
Hypothesis Testing
Cloud Platforms
Statistical Modeling
Risk Management

Benefits

PTO
Stock Options
Health Benefits

Visa sponsorship

Not detected in the job text

Keywords

Data Science
Fraud Detection
Machine Learning
SaaS
AML
Unsupervised Learning
Big Data
Python
SQL
PySpark
Spark
Hadoop
AWS
GCP
Azure
Feature Engineering
Agentic AI
Risk Management
Cybersecurity
Fintech
Data Exploration
Predictive Modeling
Logistic Regression
Gradient Boosting
Network Graphs
Device Intelligence
Transaction Records
Data Analysis
Pattern Synthesis
Adversarial Risk

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