Lead Data Scientist - Financial Crime
$127k - $203kFull-time
Mastercard
Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary
• Own problems end-to-end, from problem framing and prototyping to production improvement.
• Influence modelling approaches and technical direction in collaboration with senior data science leadership.
• Analyse large-scale payments data to identify patterns linked to illicit activity.
• Drive improvements in model performance, stability, explainability, and scalability.
• Partner with Engineering and Product teams to ensure effective deployment and maintenance in production.
• Produce and maintain clear model documentation, including assumptions, limitations, and performance characteristics.
• Contribute to technical standards and best practices.
• Ensure all work aligns with regulatory, privacy, and security requirements. All About You: • Strong Python expertise with experience in standard data science libraries and distributed data processing frameworks such as PySpark.
• Proven ability to design, deploy, and maintain machine learning models in production.
• Experience working with transactional or behavioural data at scale, with strong problem-solving ability in noisy, high-dimensional environments.
• Hands-on experience with distributed data platforms (e.g. Databricks) and ML lifecycle tools (e.g. MLflow).
• Highly autonomous and outcome-focused, with the ability to drive work independently while aligning with broader technical direction.
• Strong communication skills, with the ability to engage effectively across technical and non-technical stakeholders.
• Experience working in collaborative environments, including code reviews and cross-functional delivery.
• Pragmatic mindset focused on impact and reliability.
• Bachelor's degree in Computer Science, Engineering, Data Science, or a related quantitative field, or equivalent practical experience. Preferred: • Experience in AML, fraud, or financial crime analytics.
• Familiarity with anomaly detection, behavioural modelling, or graph techniques.
• Exposure to model explainability, governance frameworks, or regulatory requirements in financial crime.
Lead Data Scientist - Financial Crime
Overview:
Within Financial Crime Solutions, we build and deliver products powered by payments data to detect and prevent financial crime. Our teams combine data science with deep expertise in payments to support financial institutions in tackling money laundering and fraud. As a Lead Data Scientist, you will serve as a senior individual contributor responsible for designing, building, and continuously improving machine learning models used in production to detect anomalous behaviour in transaction data. You will work closely with a Principal Data Scientist and a Director of Data Science, contributing to technical direction while owning delivery and execution in your area. The primary focus is Anti-Money Laundering (AML), with flexibility to support adjacent areas (e.g. fraud, A2A, crypto) depending on team priorities. This is a full-time hybrid position based in Toronto, Canada, with an expectation of at least three days per week in the office. Role: • Lead the development and improvement of AML models focused on anomalous transaction behaviour in card payments.• Own problems end-to-end, from problem framing and prototyping to production improvement.
• Influence modelling approaches and technical direction in collaboration with senior data science leadership.
• Analyse large-scale payments data to identify patterns linked to illicit activity.
• Drive improvements in model performance, stability, explainability, and scalability.
• Partner with Engineering and Product teams to ensure effective deployment and maintenance in production.
• Produce and maintain clear model documentation, including assumptions, limitations, and performance characteristics.
• Contribute to technical standards and best practices.
• Ensure all work aligns with regulatory, privacy, and security requirements. All About You: • Strong Python expertise with experience in standard data science libraries and distributed data processing frameworks such as PySpark.
• Proven ability to design, deploy, and maintain machine learning models in production.
• Experience working with transactional or behavioural data at scale, with strong problem-solving ability in noisy, high-dimensional environments.
• Hands-on experience with distributed data platforms (e.g. Databricks) and ML lifecycle tools (e.g. MLflow).
• Highly autonomous and outcome-focused, with the ability to drive work independently while aligning with broader technical direction.
• Strong communication skills, with the ability to engage effectively across technical and non-technical stakeholders.
• Experience working in collaborative environments, including code reviews and cross-functional delivery.
• Pragmatic mindset focused on impact and reliability.
• Bachelor's degree in Computer Science, Engineering, Data Science, or a related quantitative field, or equivalent practical experience. Preferred: • Experience in AML, fraud, or financial crime analytics.
• Familiarity with anomaly detection, behavioural modelling, or graph techniques.
• Exposure to model explainability, governance frameworks, or regulatory requirements in financial crime.
Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact View email address on decentrajobs.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.
Corporate Security Responsibility All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:
- Abide by Mastercard’s security policies and practices;
- Ensure the confidentiality and integrity of the information being accessed;
- Report any suspected information security violation or breach, and
- Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.
In line with Mastercard’s total compensation philosophy and assuming that the job will be performed in Canada, the successful candidate will be offered a competitive pay based on location, experience and other qualifications for the role and may be eligible to participate in a discretionary annual incentive program. This posting reflects one or more current openings on our team.
Pay RangesToronto, Canada: $127,000 - $203,000 CAD
Vacancy posted 22 days ago
Similar jobs that could be interesting for youBased on the Lead Data Scientist - Financial Crime in Canada vacancy
$166.6k - $208.3k
...Models increasingly drive real-time decisions about fraud and financial crime, and the Machine Learning Platform (MLP) team exists to build... ...deployment, real-time inference, observability, and retraining. Our Data Science colleagues author and train the models; we build the...FinancialFull time- ...Ready to kickstart your career in financial services with a team thats energetic, driven, and invested in your growth? If youre competitive, people-oriented, and excited by the idea of building relationships, developing sales skills, and learning from experienced mentors...Financial
Gradient Insurance Brokerage, LLC
Canada1 day ago $150k - $200k
...golden age. We’re reimagining financial services to give every Canadian... ...foundational risk systems, data infrastructure, and decision frameworks... ...tooling. Senior Data Scientist - Risk We’re looking for a... ...scope of impact, and ability to lead through ambiguity. What you...FinancialRemote jobFull timeWork at office- ...Req ID: 375278 NTT DATA strives to hire exceptional, innovative and passionate individuals... ...and data masking standards for sensitive financial data. Performance Optimization ·... ...innovation. We are one of the world's leading AI and digital infrastructure providers,...FinancialWork experience placementWork at officeRemote workFlexible hours
$154k - $247k
...Title and Summary Director, Data Scientist Overview: The Mastercard... ...Director of Data Science to lead the development and delivery... ...crypto risk detection- protecting financial institutions and cardholders... ...Mastercard's financial crime prevention capabilities across...FinancialFull timeWork at officeWorldwide3 days per week$154k - $247k
...simple, smart, and accessible. Using secure data and networks, partnerships and passion... ...and solutions help individuals, financial institutions, governments, and businesses... ...environments. • Experience contributing to or leading cross functional initiatives, including...FinancialFull timeWorldwide$142k - $192k
...greatest potential. Title and Summary Senior Research Manager - Data Scientist Job Description: Senior Research Manager – Data Scientist... ..., and staying at the forefront of data and analytics in the financial services domain Qualifications & Skills: Experience in...FinancialFull timeWorldwide$1,000 - $1,200 per day
...General Dentist | Maplewood, MN What if you could design your dream dental practice — without the financial pressure or corporate rules? That’s exactly what we’re doing in Maplewood, MN. We’re Dr. Tom and Dr. Dave — two dentists who’ve spent our careers building...FinancialRelocation packageWhite Bear Ave Dentistry
Canada4 days ago$200k - $300k
...Develop end-to-end ML pipelines, covering data ingestion, feature engineering, model... ...retirement plan to help you plan for your financial future. - Paid Time Off (PTO) and Paid Holidays... ...a victim or family member of a victim of crime or abuse, or any other status protected...FinancialFull timeWork at office$20 - $24 per hour
...As an Assistant Manager on our team, you'll play a key role in leading our car wash to success, ensuring every vehicle that passes through... ...You'll earn competitive pay, plus an operational and financial metric-based bonus program. You'll receive a comprehensive...FinancialFull timePart timeFlexible hoursWeekend workMammoth Holdings
Canada7 days ago- ...energetic, world-class service and sales culture that continually strives to improve the way we serve our members. Perform accurate financial transactions for members. Offer credit union products and services that fit individual member needs. Provide administrative...FinancialHourly payContract workPart timeWork at officeWeekend work
First Community Credit Union
Canada2 days ago $75k
...sales. About Platinum Platinum Supplemental Insurance specializes in helping individuals, families, and businesses secure their financial futures through supplemental coverage. By bridging the gaps left by traditional health plans, Platinum's products offer peace of...FinancialFlexible hoursNight shiftPlatinum Supplemental Insurance
Canada22 hours ago- ...Consultant in a fully remote environment. This role offers the opportunity to work with Epicor ERP, helping businesses optimize their financial processes. Key Responsibilities: - Implement and configure Epicor ERP solutions tailored to client financial management needs...FinancialPermanent employmentRemote work
$55 per hour
...401(k) and employee stock purchase plans for a secure financial future. Flexible spending and health savings accounts... ...physical therapy. Supervising care and treatments, leading patient assessments, creating personalized care plans, and...FinancialFull timePart timeReliefFlexible hoursEncompass Health Rehabilitation Hospital of Katy
Canada1 day ago$150k - $234k
...a Director of Product Management to lead key areas of the Account Protection portfolio... ...that enable global commerce, power financial inclusion, prevent crime, and make some of the most seamless... ...powered by network-scale identity data, risk signals, and intelligence. The...FinancialFull timeWorldwide$120k - $150k
...Who we are: Sardine is the leading agentic risk platform for fighting financial crime. Our integrated solution unifies data across risk teams to help organizations stop fraud in real time, prevent AI-driven attacks, and automate fraud and AML operations. Sardine’s platform...FinancialRemote jobFull timeFor contractorsLocal areaWorldwideHome officeFlexible hours$75k
...ledger and vendor statements ~Assist with month-end close activities ~Process checks, ACH, and wire payments ~Maintain accurate financial records and documentation ~Communicate with vendors and internal departments regarding payment inquiries Requirements ~...FinancialFull time- ...Free Prescription Discount Program ~ Free Employee Assistance Programs ~ Get paid when you need it with PNC EarnedIt ~ Financial Wellness Support from PNC Workplace Banking ~ Hands-on-Training & Support ~ Career Development Benefits Link:...FinancialLocal area
Healthcare Services Group
Canada3 days ago $121k - $169k
...the Security Solutions organization, leads the development of products and services... ...that enable global commerce, power financial inclusion, prevent crime, and deliver seamless digital... ...solutions powered by network-scale identity data, risk signals, and intelligence. The...FinancialFull timeWorldwide- ...Controller Job Summary The Cost Accountant is responsible for analyzing and managing manufacturing costs, ensuring accurate financial reporting, and supporting operational decision-making. This role partners cross-functionally to improve cost control,...FinancialFull time
$100k - $110k
...~Track development budgets, project costs, and funding sources, ensuring expenses align with approved budgets ~Prepare monthly financial statements and variance analyses for development projects ~Monitor construction draws, process draw requests, and coordinate with...FinancialFull time$71k - $95k
...We have a current opening for a Sr. Financial Analyst and are actively reviewing applications. As the sole finance employee in the plant, has full responsibility for all finance related duties including budgets, forecasts and month end close. Acts as a finance resource...FinancialPermanent employmentTemporary workWork experience placement$130k - $140k
Responsibilities ~Manage accounting and financial reporting for active real estate development and construction projects ~Review and process construction pay applications and requisitions, including AIA documentation (G702/G703) ~Coordinate construction draw submissions...FinancialFull timeFor contractors$100k - $130k
...portfolio of affordable housing communities. This individual will be responsible for day-to-day operations, regulatory compliance, financial performance, and resident relations, ensuring the property operates efficiently while maintaining high standards of service and...FinancialFull timeLocal area$100k - $130k
...with external accountants ~Prepare monthly management reports and record royalty income ~Perform bank reconciliations ~Prepare financial statements, tax projections, and management fee calculations ~Oversee real estate tax payments, CAM reconciliations, and related...FinancialFull timeWork at office$17.6 per hour
...hourly Hours of Work: 35 hours per week Reports to: Senior Financial Analyst Date Posted: April 27, 2026 Position Summary:... ...cash, Account Receivable and Account Payable daily Inputs data into various databases Education: ~ Pursing or Completed...FinancialHourly payPermanent employmentFull timeContract workSummer workWork at office$20 - $30 per hour
Join a dynamic project focused on US tax compliance and legal interpretation as a Certified Public Accountant. In this role, you will leverage your expertise to provide high-quality insights that contribute to the training of next-generation AI systems, shaping how these...Hourly payFor contractorsRemote workSaidGig
Canada12 days ago- ...change the world. Today, Blockstream is the leading Bitcoin company, providing cutting-edge... ...self-custody solutions, Bitcoin-based financial products, second-layer scaling technologies... ...process optimization, system enhancements, data analysis, and reporting. You will work...FinancialFull timeWork at office2 days per week
- ...Req ID: 353881 NTT DATA strives to hire exceptional, innovative and passionate individuals... ...workflows Build multi-agent financial AI systems (analysis agents, compliance agents... ...responsible innovation. We are one of the world's leading AI and digital infrastructure providers,...FinancialWork experience placementWork at officeRemote workFlexible hours
- ...brands are united in delivering innovative, accessible and reliable financial solutions that enable Canadians to reach their goals. Over the... ...Fairstone, Eden_Park_ and Fig. Together, we are the leading alternative lending bank in Canada. We have the collective experience...FinancialHourly payPermanent employmentFull time
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Lead Data Scientist - Financial Crime. Be the first to apply!
