Senior Software Engineer
MastercardO’Fallon, Missouri, United States
Posted April 7, 2026
Full Time
About the Company
Mastercard is a merit-based, 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.
Job Description
Mastercard is seeking a Senior Software Engineer to join the ABU team, responsible for development, deployment support, and mentoring junior team members. The ideal candidate has experience in domain-driven design, hands-on development, and technical design activities.
Requirements
- 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
- 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
Benefits
- 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
