Software Engineer II: Scalable Java Microservices

re-zoo-me; O’Fallon, Northern (MO, KY); Hybrid; USD 92,000 - 147,000; Full time

Job summary

Mastercard is hiring a Software Engineer II to join the Core Payments team, delivering scalable, secure software that enables billions of transactions worldwide. You will design, develop, test, and maintain Java-based components, and collaborate across engineering, QA, and product to meet rigorous performance and security standards.

The role emphasizes observability, reliability, and operability, with a focus on microservices, RESTful APIs, and event-driven patterns using technologies like

Qualifications

• Experience designing, developing, and maintaining Java-based software components.
• Strong knowledge of microservices, RESTful APIs, and event-driven patterns.
• Familiarity with observability, monitoring, and deployment practices.

Responsibilities

• Design, develop, test, and maintain high-quality Java-based software components.
• Contribute to system architecture discussions to improve scalability and reliability.
• Develop tests and support CI/CD for quality validation.
• Improve performance, reliability, and security of supported applications.
• Collaborate with engineers, QA, product, and operations in an Agile setting.

Skills

Java

Spring Boot

Kafka

gRPC

Microservices

Tools

Kubernetes

Docker

Git

Bitbucket

Job description

Mastercard is hiring a Software Engineer II to join the Core Payments team, delivering scalable, secure software that enables billions of transactions worldwide. You will design, develop, test, and maintain Java-based components, and collaborate across engineering, QA, and product to meet rigorous performance and security standards.

The role emphasizes observability, reliability, and operability, with a focus on microservices, RESTful APIs, and event-driven patterns using technologies like