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66 Jobs in O'Fallon, MO
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Senior Software Automation and Reliability Engineer
Mastercard - O'Fallon, Missouri -
Lead Cloud Data Engineer - Databricks
Mastercard - O'Fallon, Missouri -
Software Rust Engineer I
Mastercard - O'Fallon, Missouri -
Manager - US Fintech & Portfolio Optimization
Mastercard - O'Fallon, Missouri -
Senior Technical Program Manager
Mastercard - O'Fallon, Missouri -
Principal Cloud Engineer
Mastercard - O'Fallon, Missouri -
Data Scientist
Mastercard - O'Fallon, Missouri -
Senior Software Engineer
Mastercard - O'Fallon, Missouri -
Senior Bizops Engineer
Mastercard - O'Fallon, Missouri -
Senior Technical Program Manager
Mastercard - O'Fallon, Missouri -
BizOps Engineer II
Mastercard - O'Fallon, Missouri -
Senior Technical Program Manager
Mastercard - O'Fallon, Missouri -
Manufacturing Engineer
Ensign-Bickford Aerospace and Defense - O'Fallon, Missouri -
Technical Program Manager, Launch Program 2025 - United States
Mastercard - O'Fallon, Missouri -
Software Engineer, Launch Program 2025 - United States
Mastercard - O'Fallon, Missouri -
Data Engineering Intern - Summer 2025 - United States
Mastercard - O'Fallon, Missouri -
Technical Program Management Intern, Summer 2025 – United States
Mastercard - O'Fallon, Missouri -
Software Engineer Intern, Summer 2025 – United States
Mastercard - O'Fallon, Missouri
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Senior Software Engineer
Mastercard - O'Fallon, Missouri -
Lead Software Engineer
Mastercard - O'Fallon, Missouri -
Senior Software Engineer
Mastercard - O'Fallon, Missouri -
Senior Software Engineer, IDE Automation
Mastercard - O'Fallon, Missouri -
Senior Software Engineer
Mastercard - O'Fallon, Missouri -
Manager, Software Engineering
Mastercard - O'Fallon, Missouri -
Lead Software Engineer
Mastercard - O'Fallon, Missouri -
Sr. Technical Program Manager
Mastercard - O'Fallon, Missouri -
Lead Software Engineer
Mastercard - O'Fallon, Missouri -
Lead Software Engineer
Mastercard - O'Fallon, Missouri -
SoftWare Engineer II
Mastercard - O'Fallon, Missouri -
BizOps Engineer II
Mastercard - O'Fallon, Missouri -
Lead BizOps Engineer
Mastercard - O'Fallon, Missouri -
Operational Risk Senior Analyst (AVP) - C12 (Ofallon, MO and Jacksonville, FL) (Hybrid)
Citigroup - O'Fallon, Missouri -
Senior BizOps Engineer
Mastercard - O'Fallon, Missouri -
Director – Software Engineering AI/ML
Mastercard - O'Fallon, Missouri -
Lead Data Scientist - Arch & Tech / Software Engineering Guild
Mastercard - O'Fallon, Missouri -
Manager, Software Engineering
Mastercard - O'Fallon, Missouri
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