Software Engineer II

MasterCard; O’Fallon, Northern (MO, KY); Hybrid; USD 92,000 - 147,000; Full time

Benefits offered by this job

Insurance coverage (medical, dental, &

401k & retirement plan

Job summary

Mastercard is seeking a Software Engineer II to advance our customer experience strategy within the Remote Payment and Presentment System team. You will help evolve a well-established electronic payments network serving U.S.

financial institutions, walk-in payment providers, and billers across the United States. You will work across the full software lifecycle, write secure, scalable code, implement unit and integration tests, participate in Agile delivery, and contribute to architecture and

Qualifications

• Experience developing front-end applications using Angular and writing/executing test scripts.
• Strong proficiency in TypeScript, Java, and SQL, with experience building microservices using Spring Boot.
• Familiarity with secure coding standards (OWASP, CWE) and code quality tools (SonarQube, Checkmarx).
• Experience with Git-based workflows, including branching strategies and peer code reviews.
• Ability to design and implement unit, integration, and service-level tests to ensure code quality and coverage.
• Understanding of core design patterns and modern application architectures (APIs, event-driven, microservices).
• Experience participating in requirement analysis, estimation, and agile delivery (Scrum, Kanban, SAFe).
• Knowledge of CI/CD practices, including automation, pipelines, and containerization.
• Solid understanding of building and operating secure, scalable, and reliable systems.

Responsibilities

• Follow established processes and best practices across the software delivery lifecycle, including development, testing, and deployment.
• Deliver assigned work with quality and timeliness, demonstrating self sufficiency in completing tasks while seeking guidance from senior team members when appropriate.
• Proactively request and incorporate code reviews to continuously improve code quality.
• Develop a strong understanding of the broader system landscape and end-to-end architecture within owned areas.
• Contribute ideas and actionable feedback to enhance processes, performance, and product quality.
• Apply Mastercard technology standards and policies consistently in day-to-day work.
• Actively learn and share knowledge by participating in Guilds and engineering community initiatives.

Skills

Angular

TypeScript

Java

SQL

Spring Boot

OWASP

CWE

SonarQube

Checkmarx

Git workflows

Unit/Integration testing

APIs/microservices

Scrum/SAFe

CI/CD

Containerization

Tools

SonarQube

Checkmarx

Job description

Purpose

Our Purpose 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.

Title and Summary

Software Engineer II Who is Mastercard? Mastercard is a global technology company in the payments industry. Our mission is 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. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all.

Overview

The Remote Payment and Presentment System team is seeking a Software Engineer II to help advance our customer experience strategy through continuous innovation and problem-solving. Our platform is a well-established electronic payment network, founded in 1987, that serves as a central hub for routing, clearing, and settling consumer bill payments across the United States. It connects financial institutions, walk-in payment providers, and billers along with their service partners, including treasury institutions and processors, to enable seamless, reliable payment transactions.

Role

• Follow established processes and best practices across the software delivery lifecycle, including development, testing, and deployment
• Deliver assigned work with quality and timeliness, demonstrating self sufficiency in completing tasks while seeking guidance from senior team members when appropriate.
• Proactively request and incorporate code reviews to continuously improve code quality
• Develop a strong understanding of the broader system landscape and end-to-end architecture within owned areas
• Contribute ideas and actionable feedback to enhance processes, performance, and product quality
• Apply Mastercard technology standards and policies consistently in day-to-day work
• Actively learn and share knowledge by participating in Guilds and engineering community initiatives

All About You

• Experience developing front-end applications using Angular, including writing and executing test scripts
• Strong proficiency in TypeScript, Java, and SQL, with experience building microservices using Spring Boot
• Familiarity with secure coding standards (e.g., OWASP, CWE) and code quality tools (e.g., Sonar, Checkmarx)
• Experience with Git-based workflows, including branching strategies and peer code reviews
• Ability to design and implement unit, integration, and service-level tests to ensure code quality and coverage
• Understanding of core design patterns and modern application architectures (APIs, event-driven, microservices)
• Experience participating in requirement analysis, estimation, and agile delivery (Scrum, Kanban, SAFe)
• Knowledge of CI/CD practices, including automation, pipelines, and containerization
• Solid understanding of building and operating secure, scalable, and reliable systems

Equal Opportunity Employer

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. We hire the most qualified candidate for the role.

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.

Pay Ranges

O'Fallon, Missouri: $92,000 - $147,000 USD

Benefits for Full-Time Employees

• 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
• Many more

Benefits for Interns

• 56 hours of Paid Sick and Safe Time
• Jury duty leave
• On-site fitness facilities in some locations

Marketing Tagline

Everyone wants easier ways to pay; we invent them. Checkout lines are slow; we speed them along. Merchants want more sales; we give them data and insights. People need financial access; we connect them. Corporate purchasing is complicated; we make it simple. Commuters are busy; we speed them on their way. Governments need greater efficiencies; we help create them. Small businesses are virtual; we give them access to a world of buyers. Retailers want to fight fraud; we provide the tools.