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Added 12 hours ago
Senior Site Reliability Engineer
Mastercard Technologies, LLC
O'Fallon, MO
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Mastercard Technologies, LLC
O'Fallon, MO
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Lead, Platform Engineering
Mastercard Technologies, LLC
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Mastercard Technologies, LLC
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Added 6 days ago
Lead Data Scientist
Mastercard Technologies, LLC
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Added 6 days ago
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Mastercard Technologies, LLC
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Added 11 days ago
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Mastercard Technologies, LLC
O'Fallon, MO
Added 11 days ago
Senior Platform Engineer
Mastercard Technologies, LLC
O'Fallon, MO
Added 11 days ago
Lead Data Scientist
Mastercard Technologies, LLC
O'Fallon, MO
Added 11 days ago
Manager, Reliability Engineering
Mastercard Technologies, LLC
O'Fallon, MO
Added 11 days ago
Senior Analyst, Analytics & Metrics
Mastercard Technologies, LLC
O'Fallon, MO
Added 11 days ago
Director, Corporate Treasury
Mastercard Technologies, LLC
O'Fallon, MO

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Mastercard Technologies, LLC

Lead Data Scientist

O'Fallon, MO, United States

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Job details

Experience: Qualifying experience must include at least 1 year of experience with each of the following: Python;
Working hours: 40 hours/week
Posting language: English
Posted: Oct 20, 2026

Original job description

To apply e-mail Jeff Bannon, directly at Jeff.Bannon@mastercard.com, 2200 Mastercard Blvd, O'Fallon, MO 63368, with copy of your resume and reference MC80-2026. ONLY APPLICATIONS SENT TO THE AFOREMENTIONED EMAIL WILL BE CONSIDERED. Employer's Name: Mastercard Technologies, LLC Job Title: Lead Data Scientist (O'Fallon, MO) Position Duties: Independently manages and manipulates large data sets and applies various technical and statistical analytical techniques (e.g., OLS, multinomial logistic regression, LDA, clustering and segmentation) to draw insights from large data sets. Communicate with client counterparts to ensure customer needs are being addressed when designing data analysis and technical solutions. Reviews and apply complex analytical techniques or tools to draw meaningful and insightful observations and trends from large/ complex data sets. Develop sophisticated multivariate models and analytic solutions (e.g., dashboards, prototypes), utilizing complex statistical and data science techniques and methods. Meets project deadlines for accountable deliverables and anticipate delays or foreseeable barriers to progress, escalating issues when necessary. Conducts due diligence quality assurance testing for prototypes and tools in beta and resolves recurring complex issues and bugs. Assist with data R&D work as delegated by senior level colleagues. Job Requirements: Master's degree or foreign equivalent in Information Systems, Data Analytics, Information Technology, Computer Science, Engineering or related and five (5) years of progressively responsible experience in job offered or as a Data Science, AI and Machine Learning, or related. Qualifying experience must include at least 1 year of experience with each of the following: Python; Scikit-learn; Hadoop; Impala/Spark; Git; BI visualization tools (i.e., Tableau, Domo, Power BI); SQL. Option to work from home-based office exists. May reside anywhere within the United States. ** ** **Hours per week: **40 hours/week Location of Employment: 2200 Mastercard Blvd, O'Fallon, MO, 63368 Contact Person: Jeff Bannon, Jeff.Bannon@mastercard.com, @ Mastercard Technologies, LLC, 2200 Mastercard Blvd, O'Fallon, MO 63368. Ref MC80-2026.

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