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Mastercard Builtin · Indexed 2026-09-03

Software Engineer Intern, Summer 2027 - United States

O'Fallon, MO, USA

Builtin
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Mastercard Software Engineer Intern, Summer 2027 - United States Reposted YesterdaySaved Hybrid O'Fallon, MO, USA 27-46 Hourly Internship 27-46 Hourly InternshipBlockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum ComputingSoftware Engineering Interns will contribute to live, scalable software systems; write clean code; support feature design, development, testing, debugging, and enhancements; create automated tests; apply secure coding practices; participate in code reviews and agile ceremonies; and collaborate with product managers, designers, and engineers. Responsibilities and technologies vary by team.Top Skills: Ai FrameworksBlockchainC++Cloud PlatformsGitJavaJavaScriptPython

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