- Designing and implementing microservice capabilities for the program in Java
- Developing high-quality, secure, scalable, and maintainable software solutions
- Applying best practices for automated testing, code quality, delivery, and monitoring
- Mentoring junior engineers through technical advice, UML documentation, and code reviews
- Collaborating with leads, developers, and product owners to ensure timely delivery of business value
- Working as part of a cross-functional, geographically distributed team to enhance the developer experience
- Ensuring that Developer Experience is central to all activities
- Adhering to Mastercard Engineering Principles, Builders Enablement Development standards, and security guidelines
- Participating in the Software Engineering Guild to share knowledge, best practices, and passion for technology
- 7+ years of experience in OOP/OOAD with Java JDK 8 or higher; experience with Go is a plus
- Knowledge of Tomcat, Spring Boot, Spring Security, Hibernate, REST microservices architecture
- Experience with SQL, multi-threading, message queuing, and distributed systems
- Experience with cloud platforms (Azure, AWS, GCP), including availability zones, security, APIs, and virtual networking
- Experience with Kubernetes and container technologies
- Expertise in JUnit or other automated testing frameworks
- Knowledge of monitoring tools like Splunk, Dynatrace, Prometheus
- Proficiency with Git, Jenkins
- Experience in secure software development practices (PCI DSS, GDPR)
- Performance testing experience with JMeter, Gatling, etc.
- Experience contributing to innersource projects (CI/CD, shared libraries)
- Automation skills to improve developer efficiency
- DevSecOps/CI-CD, SRE experience for distributed systems is advantageous
- Knowledge of Design Patterns and Enterprise Integration Patterns is a plus
- Abide by Mastercard's security policies and practices
- Ensure confidentiality and integrity of accessed information
- Report suspected security violations or breaches
- Complete mandatory security trainings as per Mastercard's guidelines
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Senior Software Engineer-R-233428 - Dublin - Mastercard

Description
Purpose
Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper.
We support a wide range of digital payments choices, making transactions secure, simple, smart, and accessible. Our technology and innovation, partnerships, and networks combine to deliver a unique set of products and services that help people, businesses, and governments realize their greatest potential.
Sr. Software Engineer Position Overview
The Mastercard Builders' Enablement Program has an exciting opportunity for a Senior Software Engineer.
We are part of Mastercard's Team ONE (Operations, Network, and Employee Digital Experience), empowering 6000+ engineers around the globe. We are responsible for creating a great developer experience, enabling engineering teams to deliver innovative payment solutions for hundreds of millions of customers.
Role Responsibilities
Requirements
Corporate Security Responsibility
All activities involving access to Mastercard assets, information, and networks involve inherent risks. Every employee must:
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