Mastercard
O’Fallon, Missouri
Lead Software Development Engineer in Test (Lead SDET)
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Apply to Lead Software Development Engineer in Test (Lead SDET) at MastercardJob details
- Location
- O’Fallon, Missouri
- Work type
- Hybrid
- Compensation
- $140,000 - $231,000/yr
- Posted
- Apr 29, 2026
- Apply on
- mastercard.wd1.myworkdayjobs.com
About this role
Extensive SDET/QA experience in large-scale, high-availability systems; strong C/C++ and test automation skills; Linux; CI/CD; leadership and mentoring required.
What you'll do at Mastercard:
- Lead testing
- Design tests
- Mentor engineers
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