Mastercard

Senior Software Engineer

Dublin, Ireland

Senior

HYBRID

Mastercard's AI & Decision Product Enablement team in Dublin is hiring a Senior Software Engineer to help build and scale their Decision Enrichments platform. This role focuses on designing high-performance, distributed Java-based systems that process billions of transactions to power fraud prevention, risk management, and payment intelligence. You will work within Agile teams alongside product owners, architects, and engineers to deliver mission-critical capabilities on cloud-native infrastructure. The position offers the chance to influence platform architecture and leverage AI-assisted e...

Java (JDK 17+)

Spring Framework

Spring Boot

RESTful API design

Microservices architecture

Distributed systems

Event-driven architecture

Multithreading and concurrency

Relational databases

Cloud-native development

Containerisation

CI/CD pipelines

Automated testing

DevOps practices

Observability and monitoring

Software design patterns

Source control (e.g. Git)

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