Mastercard
Senior Software Engineer
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Job Description
We are seeking a Senior Software Engineer to design, develop, and maintain scalable software solutions supporting MDES initiatives and platform enhancements. This role combines strong software engineering fundamentals with automation and quality engineering practices to deliver secure, reliable, and high-performing applications. Based on the Senior Software Engineer skills matrix, the role emphasizes Software Development, Software Design, Software Architecture, Secure Coding, Code Review, Performance Engineering, Operability Engineering, Troubleshooting, and Testing.
Qualifications
Required Qualifications
- Strong Java software development experience.
- Knowledge of software design, software architecture, data structures, and algorithms.
- Experience developing REST APIs and distributed applications.
- Experience with secure coding practices and code review processes.
- Strong troubleshooting and root cause analysis skills.
- Experience with unit, functional, and integration testing.
- Experience building automation using tools such as Rest Assured, Karate, Selenium, or similar frameworks.
- Understanding of CI/CD, DevOps practices, and cloud-native architectures.
- Experience with SQL and data validation.
- Knowledge of performance engineering, operability engineering, monitoring, and observability concepts.
Preferred Qualifications
- Payments industry experience.
- MDES, DTS, TDS, Transaction Stream, Core Processing, or Tokenization experience.
- Experience developing automation frameworks and test infrastructure.
- Experience with performance, resiliency, and large-scale distributed systems.
Skills & Technologies
About the Company
Mastercard
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Sign in to applyJob Details
Employment Type
Full Time
Experience Level
Senior
Salary Range
$115,000 – $184,000
Location
O'fallon, MO
Posted
5 days ago
Country
US