MasterCard Sr. Engineer, Software Engineering in O'Fallon, Missouri

Who is Mastercard?

We are the global technology company behind the world€™s fastest payments processing network. We are a vehicle for commerce, a connection to financial systems for the previously excluded, a technology innovation lab, and the home of Priceless ®. We ensure every employee has the opportunity to be a part of something bigger and to change lives. We believe as our company grows, so should you. We believe in connecting everyone to endless, priceless possibilities.

Job Title

Sr. Engineer, Software Engineering


MDES is looking for a high-energy, detail oriented Senior Software Engineer in the Ofallon/Winghaven location join a new Team that will be tasked to build a new product in the Digital Payment Space.

As part of an exciting, fast paced environment developing payment solutions in the mobile and e-commerce space, this position will lead software engineering projects, develop software and deliver enhanced software solutions.


Develop application logic for a multi-component system of applications

Ensure final product is highly performant, responsive and of high quality

Deliver completed code on time and with minimal to no defects or failures.

Ensure all new logic maintains current unit test coverage standards or higher

Help maintain code quality, organization, and automation

Support testing resources as needed to remediate defects, answer questions and assist with automation tasks

Actively participate in the Agile Ceremonies including Daily Scrum, Story Pointing, Story Elaboration, and Retrospectives

All About You


Knowledge with Pivotal Cloud Foundry preferred but not required

Senior experience in delivering secure solutions in Financial Services Sector is preferred.

Advanced knowledge and understanding of Software Engineering Concepts and Methodologies is required.

Strong communication skills -- both verbal and written €“ and strong relationship, collaboration skills and organizational skills

Ability to quickly learn and implement new technologies, frameworks and tools and support multiple concurrent activities

Ability to adapt to a fast changing environment using the Agile/SAFe framework

Key Technology Areas

Object-oriented design and programming

Java, J2EE, Java Messaging Service

Open source frameworks such as Spring and Hibernate

Oracle, PL/SQL, JDBC

Web Services (JAX-WS and JAX-RS with RPC, SOAP, and REST, XML, XSL)

Object-oriented design and programming

Mastercard is an inclusive Equal Employment 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.€‹

If you require accommodations or assistance to complete the online application process, please contact 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.
Requisition ID: R-62309