Software Engineer II (Java/Spring)

Mastercard Inc.; Dublin; Sur place; EUR 70 000 - 95 000; Plein temps

Résumé du poste

Mastercard is seeking a Software Engineer II to design, develop, test, and maintain backend services and APIs in a Java/Spring environment. You will collaborate across product, architecture, and data teams to deliver scalable solutions.

You will contribute to CI/CD, secure coding practices, and production support, while refining RESTful interfaces and integration components for internal platforms.

Qualifications

• 3+ years of hands-on software engineering experience building backend services, APIs, or integration solutions.
• Strong programming experience in Java, Python, or a similar modern language.
• Experience with RESTful APIs, microservices, and CI/CD pipelines.
• Familiarity with Git, Unix/Linux, and automated build/deploy processes.
• Understanding of secure coding practices and production support.

Responsabilités

• Design, develop, test, and maintain backend services, APIs, and integration components.
• Build secure, scalable software solutions using modern engineering practices.
• Develop and support RESTful APIs and service-to-service integrations.
• Collaborate with product owners, architects, engineers, and data teams to translate requirements.
• Participate in design reviews, testing, and release activities for high-quality delivery.
• Apply security, logging, monitoring, and operational readiness across the lifecycle.
• Troubleshoot production issues and contribute to long-term reliability improvements.
• Contribute to CI/CD pipelines and engineering process improvements.

Connaissances

Java

Python

REST APIs

Microservices

CI/CD

Security practices

Debugging

Description du poste

Our 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.

Title and Summary Software Engineer II (Java/Spring)

As a Software Engineer II, you will:

• Design, develop, test, and maintain backend services, APIs, and integration components that support business and technology capabilities.
• Build secure, scalable, and maintainable software solutions using modern engineering practices.
• Develop and support RESTful APIs, service-to-service integrations, and data exchange patterns across internal platforms.
• Collaborate with product owners, architects, software engineers, data engineers, and data scientists to translate requirements into technical solutions.
• Participate in design discussions, code reviews, testing, and release activities to ensure high-quality software delivery.
• Apply secure coding, logging, monitoring, and operational readiness practices throughout the development lifecycle.
• Troubleshoot production issues, perform root cause analysis, and contribute to long-term improvements in reliability and supportability.
• Contribute to automation, CI/CD pipelines, and engineering process improvements that reduce manual effort and improve delivery speed.
• Follow Mastercard technology, security, privacy, and compliance standards in the design and implementation of solutions.

Essential Skills & Experience

• 3+ years of hands-on software engineering experience building backend services, APIs, or integration solutions.
• Strong programming experience in Java, Python, or a similar modern programming language.
• Experience developing and consuming RESTful APIs and working with service-based or microservices-style architectures.
• Good understanding of software development lifecycle practices, including design, coding, testing, code review, CI/CD, and production support.
• Experience with SQL and relational or analytical data stores.
• Familiarity with Git, Unix/Linux environments, shell scripting, and automated build/deployment pipelines.
• Strong debugging, troubleshooting, and problem-solving skills, including the ability to independently investigate and resolve technical issues.
• Understanding of secure coding practices, authentication/authorization patterns, data protection, and operational controls.
• Excellent communication skills, with a collaborative approach to working across engineering, data science, product, and architecture teams.

Preferred Qualifications

• Experience with Java/Spring Boot or similar backend application frameworks.
• Experience with API gateways, integration platforms, event-driven patterns, messaging, or batch/streaming integration approaches.
• Exposure to AI/ML-enabled platforms, model integration patterns, or data-driven applications.
• Experience with observability tools, logging, monitoring, alerting, and production support practices.
• Exposure to Agile delivery methods and working in cross-functional delivery teams.
• Ability to work across multiple priorities while maintaining a strong sense of ownership and delivery accountability.
• Proactive, self-motivated, and comfortable operating in a fast-paced technology environment.

Corporate Security Responsibility

All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:

• Abide by Mastercard’s security policies and practices.
• Ensure the confidentiality and integrity of the information being accessed.
• Report any suspected information security violation or breach, and
• Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.

Corporate Security Responsibility

All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:

• Abide by Mastercard’s security policies and practices.
• Ensure the confidentiality and integrity of the information being accessed.
• Report any suspected information security violation or breach, and
• Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.

Everyone wants easier ways to pay; we invent them. Checkout lines are slow; we speed them along. Merchants want more sales; we give them data and insights. People need financial access; we connect them. Corporate purchasing is complicated; we make it simple. Commuters are busy; we speed them on their way. Governments need greater efficiencies; we help create them. Small businesses are virtual; we give them access to a world of buyers. Retailers want to fight fraud; we provide the tools.