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Senior Software Engineer at Mastercard

Department: Engineering

Compensation

$115,000 – $184,000/yr

Location
O’Fallon, Missouri
Type
Full-time
Level
senior
Posted

Description

Mastercard is hiring a Senior Software Engineer to improve the performance, scalability, and reliability of applications supporting its Authorization payment network. The role focuses on designing and executing performance tests, measuring latency and concurrency, debugging bottlenecks in Java, databases, middleware, and vendor software, building automation, and coaching junior engineers. Candidates should have strong Java Spring Boot, APM, PostgreSQL, and Oracle experience; payment industry experience is preferred. The position is based in O'Fallon, Missouri, with a base salary of $115,000–$184,000 USD and benefits including medical, dental, vision, disability, life, retirement, paid leave, and other benefits.

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