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Field Data Scientist

@ Mastercard

Toronto, Ontario

Full-time
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Overview

Mastercard is hiring a Field Data Scientist within its Identity Services organization to support sales, customer success and product development for identity verification. The role advises customers on fraud workflows through proof of value tests, builds machine learning and rules-based models, and works with customer data scientists and IT teams. Pay is listed at $91,000 to $140,000 CAD in Toronto, with a discretionary annual incentive program.

Responsibilities:

  • Run proof of value tests to show Identity data value
  • Build machine learning and rules-based fraud models
  • Advise customer data scientists on fraud workflows
  • QA customer API integrations and data for modelling
  • Share customer feedback at product spec reviews

Requirements summary:

  • Computer science, data science or engineering degree, or equivalent experience
  • Customer-facing or cross-functional project experience
  • Excellent Python and SQL scripting and analysis
  • Experience with supervised machine learning models
  • Strong presentation and communication skills

Tools & skills

Source and dates

Employer career site / ATS feed · phenom

Employer posting date
2026-10-02
First seen by our source
2026-10-27
Source record updated
2026-10-27

These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.

Job details

DepartmentData & analytics
Hours per week40 (estimated)
Work settingOffice, Client sites
PositionMostly sitting
Physical demandsphysical low · computer high
LanguagesEnglish
EducationBachelor’s degree (preferred)
Fields of studyComputer Science, Data Science, Engineering
Perks mentionedPerformance bonus

Summary and details written by AI from the posting; the employer’s posting is the authority.

Mastercard

Saved company profile

Historical company information from a saved The Jobs API profile (LinkedIn/Crunchbase fields). It is not live-verified; figures may have changed. Missing values remain unknown.

Powering economies and empowering people

Full company description

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re building 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.

LinkedIn followers
2,428,109
People associated on LinkedIn
49,541
Reported office locations
  • 2000 Purchase St, Purchase, NY 10577, US
  • Chausee de Tervuren 198A, Waterloo, 1410, BE
  • 3 Fraser Street, Level 17, Duo Tower, Singapore, 189352, SG
  • Sheikh Zayed Road, Dubai, -, AE
  • 801 Brickell Ave, Miami, Florida 33131, US
  • 108 Gloucester Rd, Wan Chai, Hong Kong, HK
  • 959 Skyway Rd, San Carlos, CA 94070, US
  • 121 Bloor St E, Toronto, ON M4W 3M5, CA
  • 2200 Mastercard Blvd, O'Fallon, MO 63368, US
  • Jalan Asia Afrika, Jakarta, Jakarta 10270, ID
  • 34 James Craig Rd, Sydney, NSW 2039, AU
  • 23 Leoforos Vasilissis Sofias, Athens, Attica 106 74, GR
  • North Sathon Road, Sathon, Bangkok City 10120, TH
  • Mehrauli Gurgaon Road, Gurugram, HR 122002, IN
  • Praca das Nacoes Unidas, Sao Paulo, SP 01449-010, BR
  • Paseo de la Reforma 250, Cuauhtemoc, CDMX 06600, MX
  • 2200 Mastercard Blvd, O'Fallon, Missouri 63368, US
  • Poona Club Road, Pune, Maharashtra 411001, IN
  • Na Poříčí 1079, Prague 1, Prague 110 00, CZ
  • 225 Franklin St, Boston, Massachusetts 02110, US
  • 150 5th St, New York, NY 11101, US
  • 475 Howe St, Vancouver, British Columbia V6C 2B3, CA
  • 3 Fraser Street, Downtown Core, Central Singapore Community Development Council 189352, SG
  • Túnel do Marquês de Pombal, Lisbon, 1070, PT
  • Bandra Kurla Complex Road, Mumbai, Maharashtra, IN
  • Carrera 11, Ofc. 801, Bogota, CO
  • 2005C Cornich El Nile, Cairo, 1121, EG
  • Al Faisaliah Tower, Riyadh, 11586, SA
  • 675 Ponce de Leon Ave NE, Atlanta, Georgia 30308, US
  • Istanbul, TR
  • Almaty, KZ
  • Wipplingerstraße 30, Vienna, 1010, AT
  • Taunusanlage, Frankfurt, Hesse, DE
  • Via Turati 30, Milan, 20121, IT
  • Plac Europejski 1, Warsaw, Mazowieckie 00-844, PL
  • Kungsgatan, Stockholm, Jönköping County 111 56, SE
  • Ali Efendi Sokak, Fatih, Istanbul 34107, TR
  • Paseo de la Reforma, Miguel Hidalgo, Mexico City 6600, MX
  • Prins Hendrikkade 48, Amsterdam, North Holland 1012 AC, NL
  • 500 W Madison St, 9D, Chicago, Illinois 60661, US
  • 4250 Fairfax Dr, 9th Floor, Arlington, Virginia 22203, US
Business categories
  • Finance
  • Information Technology
  • Payments
  • Prepaid Cards
  • Financial Services
Other recorded names
  • Mastercard
Specialties
  • global digital payments/commerce
  • technology
  • innovative mobile payment solutions
  • and processing
Profile identifies a recruitment agency
No
Reported total investment
0

Currency and observation date were not supplied; this is not a current valuation or a funding round.

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re building 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…

FieldValue
IndustryIT Services and IT Consulting
Company size10,001+ employees
HeadquartersPurchase, NY
Organization typePublic Company
Specialtiesglobal digital payments/commercetechnologyinnovative mobile payment solutionsand processing
Open jobs on Jobsy53
LinkedInView page
Job description

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

Field Data ScientistWho is Mastercard?

Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential.

Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all.

Overview

Services within Mastercard is responsible for acquiring, engaging, and retaining customers by managing fraud and risk, enhancing cybersecurity, and improving the digital payments experience. We provide value-added services and leverage expertise, data-driven insights, and execution.

As a Field Data Scientist within Mastercard Identity, a Services organization, you will have a diverse set of responsibilities supporting sales (pre-sales), customer success (post-sale), and product development, with the aim of supporting, growing, and developing a best-in-class product suite in the identity verification industry. The role is focused on making sure potential prospects & clients see the best possible value from Mastercard Identity’s data ecosystem through machine learning or rule-based systems. As a product implementation expert, you will advise customers how to best leverage Identity’s data in their fraud workflows through proof of value tests. In addition, Field Data Scientists advise internal product stakeholders on opportunities for new product development and go to market strategies.

Role

As a Field Data Scientist you will:

- Support the sales team to ensure Mastercard Identity can highlight the maximum benefit of its dataset through proof of value (POV) tests.

- Support development of machine learning and rules-based models to help our client’s maximize fraud detection and false positive reduction, increase payment acceptance, and optimize their risk decisioning

- Understand customer business needs and workflows, using this knowledge to position Mastercard Identity products and design solutions using them.

- Proactively nurture & maintain one-on-one relationships with customer data scientists, with the aim of providing deep insights for development of fraud models.

- Acquire a deep knowledge of Mastercard Identity products and data, using this knowledge to act as subject matter expert for customers.

- Analyze Mastercard Identity data features and provide recommendations to our Product team to ensure that our products continually provide the best performing signals for our customers

- Work with customer IT and engineering resources to QA their integration of Identity API products and ensure the correct data is available for modeling.

- Assist with internal training on Identity products, data, and processes.

- Attend product spec reviews to bring customer facing perspectives and share feedback from the market.

All About You

- Computer/Data Science or Engineering degree, or equivalent experience.

- Experience in a customer-facing or heavily cross-functional role with data science centric project management experience.

- Excellent scripting and analysis skills in python and SQL.

- Excellent presentation and communication skills.

- Experience in a machine learning or data analytics capacity

- Ability to create and understand supervised machine learning models.

- Experience in understanding customer needs and using those to build design docs or technical specifications.

- Proven ability to establish credibility with technical leaders in customer organizations.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 [email protected] 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 Ranges

Toronto, Canada: $91,000 - $140,000 CAD

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