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Senior Developer Software Engineer Cloud Engineer - Software

Senior Software Engineer

Job in O'Fallon, St. Charles County, Missouri, 63368, USA
Listing for: Mastercard
Full Time position
Listed on 2026-08-01
Job specializations:
  • Software Development
    Senior Developer, Software Engineer, Cloud Engineer - Software
Salary/Wage Range or Industry Benchmark: 135000 - 190000 USD Yearly USD 135000.00 190000.00 YEAR
Job Description & How to Apply Below
Mastercard is seeking a Senior Software Engineer to design, build, and optimize scalable, secure applications in a fast-paced environment. You'll lead end-to-end development of cloud-native services, collaborate with cross-functional teams, and champion engineering best practices. Responsibilities include system design, implementation, code reviews, testing, and production support. You'll mentor engineers, drive continuous improvement in performance and reliability, and explore new tools and frameworks.

This role offers the opportunity to work with cutting-edge technologies while contributing to impactful, global software solutions.
Position Requirements
10+ Years work experience
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