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Mastercard Logo Mastercard · IT - Software Development

Lead, Software Engineer (QE)

United States of America, O Fallon Employment contract 140000.00 - 231000.00 USD / Year · Job Posted May 31, 2026
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Job Description

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.

Job Responsibility

  • Play a crucial part in helping drive Quality to help build and ship better products
  • Collaborate with our development teams to enhance our existing software development processes
  • Drive QE methodologies and help build high quality software
  • Partner with developers to improve and automate test and release processes
  • Help make Quality as an integral part of the development process

Requirements

  • Exposure to agile and waterfall testing methodologies and tools such as RALLY and ALM
  • Knowledge in COBOL, CICS, VSAM, DB2, DB2 Stored Procedures, DB2 Utilities, and SQL
  • Knowledge in Java/C/C++ development
  • Knowledge in Digital Native Architecture
  • Exposure with a mainframe Source Control tool, and with a graphical application using the mainframe as its data repository, and creating Cobol Stored Procedures preferred
  • Experience of working with other developers to ensure that systems are designed for reliability, performance and testability
  • Experience testing across a variety of platforms: web and mobile user interface, APIs (REST and SOAP), and Mainframe and UNIX
  • Exposure in building and using automation frameworks using technologies: Java, JUnit, Selenium, JBehave, Soap UI/Pro, REST, JSON and XML
  • Knowledge of payment simulation tools (Paragon, FinSim, T3 or similar)
  • Knowledge of ISO payment protocols (8583) desirable

Nice to have

  • Knowledge of payment simulation tools (Paragon, FinSim, T3 or similar)
  • Knowledge of ISO payment protocols (8583) desirable

What we offer

  • competitive base salary
  • annual bonus or commissions
  • 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
  • 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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