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Software Engineer II



Software Engineering
O'Fallon, IL, USA
Posted on Friday, May 24, 2024

Our Purpose

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.

Title and Summary

Software Engineer II Overview:

At Mastercard, our industry expertise is enhanced by our commitment to being a force for good in the world and to doing well by doing good. Mastercard relies on our global workforce to help us achieve our goal of building a sustainable, inclusive global economy. The Mastercard Way encourages us, connects us with the behaviors that represent the essence of not only what we do but who we are as an organization. Cultivating an environment for all employees that respects their strengths, views, and experiences drives a global and collaborative culture of inclusion and a sense of belonging.

MasterCard software engineering teams leverage Agile development principles, advanced development and design practices, and an obsession with security, reliability, and performance to deliver solutions that delight our customers. We are looking for talented software engineers to develop advanced technologies and applications that are revolutionizing payments.

• Are you passionate about software engineering?
• Do you enjoy seeing the impact your code has on a wide range of customers
which improves their experience?
• Do you thrive in a place where you are continuously learning more while growing
your skills and career?
• Do you want to join a Company that offers a competitive benefits-and rewards
program that attracts, develops, and retains the most talented employees around the world?


• A hands-on full stack engineer that can code and build high quality secure front
end and REST API/backend that is modular, functional, and testable.
• Contribute to all parts of the software’s development including design,
development, test, deployment, support, documentation, configuration
• Participate in all the scrum ceremonies using Agile methodology.
• Have strong ownership of your team’s software and are deep in the maintenance
characteristics, runtime properties, dependencies, and build.
• Communicate, collaborate, and work effectively in a team environment.

About You:

• Strong foundation in algorithms, data structures, and core computer science
• Evidence of working with object-oriented development and design patterns.
• Full stack developer with ability to write secure code in backend and frontend
programming languages (Java, JavaScript, Angular, SQL) and familiar with secure
coding standards and vulnerability management
• Good knowledge of Spring, Spring Data JPA, REST and other frameworks.
• Understands and builds test code at unit level, service level, and integration level
to ensure code and functional coverage (e.g. JUnit, Mockito, Jasmine etc)
• Strong written and verbal English communication skills.
• Strong analytical and excellent problem-solving skills
• Self Starter, Proactive and Passionate about continuous improvement and
delivering results
• Thrives in an environment that is fast-paced and customer-oriented
• Working knowledge of an Agile environment.

(Hybrid onsite 3x week in our O'Fallon location) Mastercard is an inclusive equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.

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.

In line with Mastercard’s total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary based on location, experience and other qualifications for the role and may be eligible for an annual bonus or commissions depending on the role. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance), flexible spending account and health savings account, paid leaves (including 16 weeks new parent leave, up to 20 paid days bereavement leave), 10 annual paid sick days, 10 or more annual paid vacation days based on level, 5 personal days, 10 annual paid U.S. observed holidays, 401k with a best-in-class company match, deferred compensation for eligible roles, fitness reimbursement or on-site fitness facilities, eligibility for tuition reimbursement, gender-inclusive benefits and many more.