Senior Software Engineer

The ABU team enables issuers and acquirers to securely communicate account changes for credential-on-file and recurring payments to merchants-increasing approval rates for card-not-present transactions, improving customer satisfaction, and reducing customer service demand. We’re continuously making our services faster, more reliable, and scalable to meet emerging on-soil regulations and rising global demand.

Our vision: Consumers never have to think about where their payment credentials are stored.

Our value proposition: Reduce preventable declines and ensure a seamless cardholder experience when credential-on-file data changes.

We are modernizing the ABU platform and seeking strong, innovative Software Engineers with experience in domain-driven design. We’re looking for individuals who can bring fresh perspectives, enjoy solving complex problems, and thrive in a dynamic, team-oriented environment. If you’re passionate about building great software and ready to grow your career, we’d love to hear from you.

Role As a Senior Software engineer, you will be responsible for development, deployment support, owning the delivery of user stories, mentoring junior team members, and performing code reviews. This is a vital role responsible for planning, developing, and coordinating all activities related to design, development, and implementation. We are seeking a highly motivated, detail-oriented, and proactive engineer who has the ability to operate under pressure in an independent, autonomous environment.

Hands-on developer who can design, develop, test, implement, and maintain software applications that align with Mastercard engineering standards and best practices.

Develop backend services in Java, leveraging frameworks like Spring and GRPC for high-performance applications.

Manage individual project priorities, deadlines, and deliverables.

Actively participate in agile ceremonies including daily scrum, story pointing, story elaboration, and retrospectives.

Ensure adherence to established quality control practices and software development processes., 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.

Solid technical foundation with a degree in Computer Science or related field, preferred.

Strong hands-on experience in backend development with applicable JAVA technologies (Core JAVA, Spring Integration, Spring Boot, REST/SOAP web services).

Experience in technical design activities to ensure alignment with Non-Functional Requirements, Solution Architecture and System Functional Design specifications.

Ability to understand user stories and requirements, contribute to proposed solution designs, and translate these into coded features or solutions that are simple, functional, scalable, and maintainable.

Proficiency with advanced object-oriented programming.

Experience and understanding of messaging solutions, such as Apache Kafka.

Proven experience working with Oracle/SQL Databases

Knowledge of cloud native development such as Pivotal Cloud Foundry (PCF), AWS, etc.

Strong knowledge of automated build, deployment and continuous integration systems.

Experience with CI/CD tools like Jenkins, Bitbucket, Artifactory, Atlassian suite, etc.,

Passion for solving varied and complex real-world problems.

Strong communication skills (verbal and written), strong relationships, collaborative skills, and organizational skills.

Proven abilities to work and communicate cross-functionally with key stakeholders, such as Technical Leads, Solution Architects, Product Managers, Release Managers and Application Services and Testing Teams as applicable to ensure quality delivery.

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 and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. 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 of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 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; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations.

Pay Ranges O’Fallon, Missouri: $115,000 - $184,000 USD

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., 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.