Software Engineer II

MastercardO'fallon, MO
$92,000 - $147,000Onsite

About The Position

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. 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 respect 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.

Requirements

  • Experience building applications and REST APIs using Java, Spring Boot, and Spring Data JPA.
  • Strong foundation in computer science fundamentals, including data structures, algorithms, and object-oriented design.
  • Ability to write clean, secure, testable code and contribute to unit, service, and integration testing.
  • Comfort working with SQL and relational data concepts.
  • Strong analytical and problem-solving skills, with the ability to debug issues and identify practical solutions.
  • Strong verbal and written communication skills and an ability to work effectively in a collaborative team environment.
  • Self-motivated, organized, and eager to learn, with a passion for continuous improvement and delivering results.

Nice To Haves

  • Familiarity with front-end development concepts and technologies such as JavaScript or Angular is a plus.
  • Bachelor’s degree in Computer Science, Software Engineering, or a related field is preferred.

Responsibilities

  • Design, develop, test, and support software components and services using modern engineering practices.
  • Build backend services, APIs, and application features that are secure, maintainable, and scalable.
  • Collaborate within an Agile team to deliver features, participate in code reviews, and support software throughout the development lifecycle.
  • Troubleshoot issues, identify opportunities for improvement, and help enhance application reliability, performance, and developer efficiency.
  • Take ownership of assigned work, communicate progress clearly, and continue building technical depth through hands-on delivery and collaboration.

Benefits

  • insurance (including medical, prescription drug, dental, vision, disability, life insurance)
  • flexible spending account and health savings account
  • 16 weeks of new parent leave
  • up to 20 days of bereavement leave
  • 80 hours of Paid Sick and Safe Time
  • 25 days of vacation time
  • 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
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