
Software Engineer II
Mastercard3 days ago
O'Fallon, MO, USAMid Level
H1B sponsor
Base Salary
$92k - $147k/yr
Responsibilities
- Implement application logic in Java.
- Develop well-designed, maintainable, testable, scalable, and secure code.
- Write unit, integration, and functional tests.
- Contribute to high-performance, highly available, distributed payment systems.
- Participate in Scrum ceremonies and complete committed iteration tasks.
- Diagnose complex problems and develop creative solutions.
- Collaborate with stakeholders on development updates and next steps.
- Mentor junior team members.
- Apply Mastercard security policies and protect the confidentiality and integrity of accessed information.
Requirements
- Strong programming skills and deep knowledge of Java.
- Excellent knowledge of Spring and other frameworks.
- Knowledge of unit testing and mocking frameworks such as JUnit, Mockito, or EasyMock.
- Good knowledge of SQL and experience working with Oracle.
- Experience working with high-performance applications.
- Strong problem-diagnostic and creative problem-solving skills.
- Strong organizational skills and the ability to manage multiple tasks within business constraints and timelines.
Benefits
- Medical, prescription drug, dental, vision, disability, and 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 vacation days, 5 personal days, and 10 U.S. observed holidays, prorated based on date of hire.
- 401(k) with company match and deferred compensation for eligible roles.
- Fitness reimbursement or on-site fitness facilities.
- Tuition reimbursement eligibility.
- Full-time position intended to be filled by January 20, 2027, in O’Fallon, Missouri.
About Mastercard
Mastercard builds and operates a global payments network used by banks, merchants, fintechs, and governments, offering card processing, real-time payments, tokenization, and fraud/risk services. It generates revenue from transaction processing and assessment/service fees across more than 200 countries and territories. Founded in 1966 and headquartered in Purchase, New York, Mastercard is a public company listed on the NYSE (ticker: MA).