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

Lead Software Engineer (Mainframe/COBOL)

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

• Quality Engineering at Mastercard is a dedicated team of software quality engineers driving quality transformation and enabling best-in-class DevTestOps practices across Mastercard’s technology organization.
• This role involves performing data and code analysis, reviewing implementations, and validating applications across multiple platforms, including Mainframe environments, with hands-on experience testing applications built on COBOL, JCL, DB2, VSAM, and File-Aid.
• Unlike traditional QA or testing roles, the Quality Engineering position at Mastercard requires strong software development knowledge and hands-on experience. The role partners closely with developers and technical leads to design test scenarios, build test infrastructure, perform performance and data analysis, conduct code reviews, and implement automation to improve overall development quality.

Role

• Understand testing methodologies, Mastercard infrastructure, application logic, system interfaces, data flows, and test artifacts.
• Analyze and interpret user stories to identify testing requirements across multiple testing levels, including unit, functional, integration, and regression testing.
• Drive best practices in Quality Engineering, including functional and exploratory testing.
• Promote the adoption of development services such as development collaboration, continuous integration, and continuous delivery.
• Support acceptance test automation, quality gating reviews for software promotion, and CI/CD pipeline integration.

Responsibilities

• Partner closely with software engineers to build quality into the development lifecycle by ensuring proper test coverage, code coverage, configuration quality, monitoring, and application support across all environments.
• Develop and implement QA standards, processes, tools, and methodologies; collaborate with cross-functional teams to define testing requirements.
• Participate in requirement reviews and all testing activities while monitoring defect resolution and maintaining documentation.
• Identify and implement complex automation solutions; replicate and troubleshoot production issues in lower environments.
• Define and implement best practices for end-to-end application testing.
• Assist in vendor assessments and evaluate software development and testing tools.
• Manage medium-sized initiatives as an individual contributor with advanced knowledge within the discipline, leading segments of larger initiatives and coordinating day-to-day work activities.
• Translate complex system requirements and specifications into effective test strategies and testing methods.
• Act as a primary reviewer for project-level reviews, walkthroughs, and inspections.
• Lead evaluation and adoption of testing tools to expand automation capabilities.

All About You

• Bachelor’s or Master’s degree in Computer Science or equivalent work experience (Required).
• 5+ years of experience in Quality Engineering, Software Testing, or a related field.
• Experience testing across multiple platforms, including Mainframe environments.
• Hands-on experience testing applications running in Mainframe technologies such as COBOL, JCL, DB2, VSAM, and File-Aid (Required).
• Ability to develop acceptance and integration test automation scripts and integrate them with CI/CD pipelines such as Jenkins or XLR, along with code coverage tools such as Sonar or Clover to ensure high code and conditional coverage (Required).
• Experience working in Agile development environments (Required).
• Experience or familiarity with mainframe modernization or migration to cloud/microservices architectures (Preferred).
• Experience collaborating with developers to ensure systems are designed for reliability, performance, and testability (Preferred).
• Domain knowledge in Core Payments, particularly in transaction processing systems (Preferred).

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. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact [email protected] and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.

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.

In line with Mastercard’s total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: 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; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations.

Pay Ranges

O'Fallon, Missouri: $140,000 - $231,000 USD