Software Engineer

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

Who is Mastercard?
We work to connect and power an inclusive, digital economy that benefits everyone, everywhere, by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships, and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. We cultivate a culture of inclusion for all employees that respects their individual strengths, views, and experiences. We believe that our differences enable us to be a better team – one that makes better decisions, drives innovation, and delivers better business results.

Technology at Mastercard
What we create today will define tomorrow. Revolutionary technologies that reshape the digital economy to be more connected and inclusive than ever before. Safer, faster, more sustainable.
And we need the best people to do it. Technologists who are energized by the challenges of a truly global network. With the talent and vision to create the critical systems and products that power global commerce and connect people everywhere to the vital goods and services they need every day.
Working at Mastercard means being part of a unique culture. Inclusive and diverse, a rich collaboration of ideas and perspectives. A place that celebrates your strengths, values your experiences, and offers you the flexibility to shape a career across disciplines and continents. And the opportunity to work alongside experts and leaders at every level of the business, improving what exists, and inventing what’s next.

What Makes Mastercard Dublin Unique
• Home to Mastercard’s European Tech Hub: a vibrant and multicultural campus housing 1000 passionate technologists and innovators.
• Our Dublin teams are dedicated to shaping the future of commerce by building revolutionary technologies that reshape the digital ecosystem across Payment Security, APIs, Artificial Intelligence, Machine Learning, and more.
• The Foundry, Mastercard’s global research and development division, is headquartered in Dublin and serves as the heart of this Tech Hub.
• Time spent onsite will be in our new state-of-the-art 5-acre campus, featuring the Mastercard Experience Center, an interactive immersive space designed to test virtual reality products, and meeting rooms evolved for the ‘future of work’ virtual and in-person coworking.

Is Mastercard for you?
• Our culture: inclusive and diverse with rich collaboration of ideas and perspectives, with a focus on career advancement and development opportunities
• Our working style: flexible work arrangements in a hybrid model, work from away program
• Our offering: Competitive compensation & generous employee benefits - holiday, personal, parental, and sick leave

About the role
Software Engineers at Mastercard design and code artificial intelligence, cloud, and machine learning platforms that provide mission-critical insights to many of the world’s leading organizations and governments. As a Software Engineer, you will deliver these products and solutions with speed and agility as part of a small team. This will involve developing high-performing, highly scalable software solutions and products for some of the world’s top brands. Specific tasks vary depending on the project and the business unit that you join in.
All staff at Mastercard are expected to demonstrate 'Mastercard Way' cultural values every day - own it, simplify it, sense of urgency, thoughtful risk-taking, unlock potential, and be inclusive – with a relentless focus on our customers. As a Software Engineer II at Mastercard, you are expected to perform the following general responsibilities:
• Own tasks (dev, test, deployment) at an application/software component level
• Able to troubleshoot and refactor existing code
• Adopt new languages and architecture patterns needed for the work
• Influence the decisions made by the team
• Assist peers and less experienced members


All about you

It is not expected that any single candidate would have expertise across all these areas.
• Has strong programming skills in Java (J2EE, Spring, Hibernate, Spring boot), JavaScript, SQL, familiar with secure coding standards (e.g., OWASP, CWE, SEI CERT) and vulnerability management. Proven experience developing Microservices.
• Understands and implements standard branching (e.g., Gitflow) and peer review practices; Apply tools (e.g., Sonar, Zally, Checkmarx) and techniques to scan and measure code quality and anti-patterns as part of development activity; understands and builds test code at the unit level, service level, and integration level to ensure code and functional coverage
• Understand the basic tenets of building and running mission-critical software capabilities (security, customer experience, testing, operability, simplification, service-oriented architecture)
• Understand different application patterns to implement different types of business processes (e.g., APIs, event-driven-services, batch-services, web-applications, microservices); understands secure network protocols to protect data in transit (e.g., IPSec, TLS, PGP, others)
• Understands Continuous Integration (CI) and Delivery (CD) concepts and capabilities to support automation, pipelines, virtualization, and containerization; Aware of configuration management using tools (e.g., Puppet, Chef) and CI/CD tools (e.g., Artifactory, Jenkins, Git, Sonar)
• Follows Mastercard testing standards; has skills to author test cases leveraging behavior-driven development and customer journey concepts; understand the organization of testing artifacts (e.g., test folders, sets, runs)
• Some experience developing automated test suites, including unit testing, automated functional or end-to-end tests, and performance testing
• Understand functional and non-functional testing types and elaborate and estimate test efforts; understand how to build robust tests to minimize defect leakage by performing regression, performance, deployment verification, and release testing

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.