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
Senior Software Engineer
Overview:
At Mastercard, our industry expertise is enhanced by our commitment to being a force for good in the world and to doing well by doing good. Mastercard relies on our global workforce to help us achieve our goal of building a sustainable, inclusive global economy. The Mastercard Way encourages us, connects us with the behaviors that represent the essence of not only what we do but who we are as an organization. Cultivating an environment for all employees that respects their individual strengths, views and experiences drives a global and collaborative culture of inclusion and sense of belonging.
MasterCard software engineering teams leverage Agile development principles, advanced development and design practices, and an obsession over security, reliability, and performance to deliver solutions that delight our customers. We're looking for talented software development engineers to develop advanced technologies and applications that are revolutionizing payments.• Are you passionate about software engineering?• Do you enjoy seeing the impact your code has on a wide range of customers?• Do you thrive in a place where you are continuously learning more while growing your skills and career?
Program Overview:
Financial Solutions - Financial Systems: Financial Solutions provides Mastercard and its customers with a fully automated and scalable system that delivers timely pricing and billing solutions as well as accurate stakeholder reporting. The Financial Systems teams under Financial Solutions, provides Governance and Support for enterprise systems used by MasterCard. Ensuring knowledge and experience is in place to grow these systems which enable Mastercard to track and report financials, facilitate the budget/forecast process and support Supply Chain Management. The Financial Systems teams under Financial Solutions, provides Governance and Support for enterprise systems used by MasterCard. Ensuring knowledge and experience is in place to grow these systems which enable Mastercard to track and report financials, facilitate the budget/forecast process and support Supply Chain Management. These teams co-located in St. Louis serve 25,000+ internal and external users with a single chart of accounts supporting Financial and Statutory reporting.Senior Software Engineer
Job Overview: Responsible to support SAP Concur Expense & Travel management system, reports creation, and integrations with boundary systems. Define requirements for new Concur Expense application and customization adhering to MasterCard standards, processes, best practices and compliance with T&E policies. Collaborate closely with business, project managers, and other stakeholders to gather requirements, design solutions, and provide ongoing support.
• Hands-on developer who writes high quality, secure code that is modular, functional and testable. • Lead the design and architecture of scalable, efficient, and secure software solutions, ensuring alignment with industry best practices and organizational goals. • Contribute to all parts of the software's development including design, development, documentation, and testing. • Have strong ownership of your team's software and are deep in the maintenance characteristics, runtime properties and dependencies including hardware, operating system, and build. • Communicate, collaborate and work effectively in a global environment.• Ensure methodology compliance and manage resolutions, reporting to management when necessary.• Ensure timely and accurate communication at all levels.• Monitor and manage adherence to estimates. • Have you ever brought a product to market on a global scale?• Are you motivated to be a part of driving a world beyond cash?
About You:• Bachelors Degree in Computer Science or related field• Experience in Concur Expense implementation and supporting it.• Experience of Concur Configurations like custom fields, approval workflows, expense types, audit rules• Experience of SAP Concur APIs to build integrations• Experience of Cognos reporting, and data delivery services.• Experience of Coupa Configurations like custom fields, approval workflows, expense types, audit rules• Experience of Coupa APIs to build integrations• Strong hands-on technical knowledge in REST API based integration (including authentication/authorization based on mTLS and OAuth 2.0)• Boomi integration platform knowledge• Exposure to Microsoft Power BI for reporting.• Work with information security, architecture & technology teams to lead the security, solution architecture, operational resiliency reviews.• Oracle Financials modules including Accounts Payables, General Ledger, Project Accounting knowledge is plus.• SQL, PL/SQL, Unix shell scripting is plus.• Broad understanding of Software Engineering Concepts and Methodologies is required. • Ability to work independently and manage multiple projects simultaneously.• Must be high-energy, detail-oriented, and proactive and have the ability to function under pressure in an independent environment. • Must provide the necessary skills to have a high degree of initiative and self-motivation to drive results. • Possesses strong communication skills -- both verbal and written - and strong relationship,• collaborative skills and organizational skills.
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.
Skills Required
- Bachelor's degree in Computer Science or related field
- Experience in SAP Concur Expense implementation and support
- Experience with Concur configurations (custom fields, approval workflows, expense types, audit rules)
- Experience with SAP Concur APIs to build integrations
- Experience with Cognos reporting and data delivery services
- Experience with Coupa configurations and Coupa APIs to build integrations
- Strong hands-on knowledge of REST API integrations including mTLS and OAuth 2.0
- Knowledge of Boomi integration platform
- Exposure to Microsoft Power BI for reporting
- Broad understanding of software engineering concepts and methodologies
- Ability to work independently and manage multiple projects simultaneously
- High energy, detail-oriented, proactive with strong verbal and written communication and collaboration skills
- Knowledge of Oracle Financials modules (Accounts Payable, General Ledger, Project Accounting)
- SQL, PL/SQL, and Unix shell scripting
Mastercard Compensation & Benefits Highlights
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Retirement Support — A 10% company retirement match (401k or equivalent) is explicitly highlighted in company materials. This level of employer contribution stands out as a core strength of the package.
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Leave & Time Off Breadth — A global minimum of 16 weeks fully paid new‑parent leave and generous U.S. PTO (vacation, personal days, holidays, sick time, and bereavement) are clearly spelled out. These provisions indicate broad time‑off coverage across life events.
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Wellbeing & Lifestyle Benefits — Hybrid work, a four‑week “work from elsewhere” option, meeting‑free well‑being days, five paid volunteer days, mental‑health resources, and fitness reimbursement/on‑site gyms are emphasized. Together they reflect a holistic approach to flexibility and wellbeing.
Mastercard Insights
What We Do
Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re building a resilient 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.
Why Work With Us
We live the Mastercard Way: creating value in the communities we touch, growing together through the opportunities we see, and moving fast to innovate and scale. Our collaborative culture and our passionate people are the key to what we do, driving meaningful change as one team and connecting everyone to priceless possibilities.
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Mastercard Teams
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Hybrid Workspace
Employees engage in a combination of remote and on-site work.
In our ongoing workplace evolution, we’ve introduced hybrid work, Work-From-Elsewhere Weeks and Meeting-Free Days.






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