Mastercard Jobs

Job Information

MasterCard Senior Software Development Engineer in O'Fallon, Missouri

Our Purpose

We work 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. We cultivate a culture of inclusion ( for all employees that respects their individual strengths, views, and experiences. We believe that our differences enable us to be a better team – one that makes better decisions, drives innovation and delivers better business results.

Job Title

Senior Software Development Engineer

• Access Services Team is a dedicated collection of self-organizing, high performing, interdependent, co-located individuals representing different functional roles with all the necessary skills to create the foundational capabilities that application teams develop on top of it. This team leads with mission to provide overall stewardship of enterprise grade application architecture & design within the context of holistic software development. This includes driving the architecture & design decisions and building consensus around it. The team leads the exploration in software architecture & technology innovations along with enabling excellence in overall team.

• Team members may be developers, testers, analysts, Big data Engineers & architects. The team is cross-functional, which means that between all its members they possess sufficient skills to do the work. There is no dictated leadership hierarchy within the team members.

• Senior Engineer at Mastercard is a high performing engineer within the organization and spearheads the architecture or framework implementations. He or she participates in the Software Development Life Cycle of one or mores micro services R&D, Proof of Concepts, Prototyping, Code review etc. Additionally, He or she influences the development practices so that they are in compliance with best practices, policies and procedures.

• Do you have what it takes to provide technical leadership for a Scrum team, including coaching and mentoring?

• Have you got the skills to be recognized as a Full Stack Engineer in a Scrum team?


Essential responsibilities of the position:

• Execute and own the baseline architecture implementations and design activities collaborating with other Engineers & Engineering Team.

• Ability to work with existing and evolve services with minimum guidance.

• Experience in working with fast paced, modern Architecture with extensive experience with building Spring boot applications, REST API’s, NO/SQL data bases and actively participate in R&D on the new frameworks

• Strong communication skills, with an ability to express and design ideas to a development team

• Strong debugging skills to support Tier 1 applications and has experience in simplifying complex implementations

• Work to define feature requirements and deliver the product that materially impacts the business and improves the consumer experience.

• Identify performance bottlenecks and come up with novel ways to solve them.

• Design and implement scalable, resilient, high performance services.

• Work with SQL and NoSQL persistence technologies.

• Provide guidance to teams on development standards, automation and tools

All About You

• Full stack engineering experience in a production environment

• Expert programming skills in Java/JEE

• Proficiency in Software Development Best Practices (ATDD/BDD, Unit tests)

• Experience with modern web, Java and Java EE platforms including Spring framework & components, Hibernate, Messaging, Node JS or Express JS or similar, Web & Application Server ( Server App Design & Technology Skills ), Web Services, REST ( Services Design & Technology Skills )

• Web Stack including JavaScript, CSS, JSON, Angular JS or similar framework ( Web App Design & Technology Skills )

• Strong inter-personal skills and ability to work in a collaborative environment

• Desire to stay abreast of new development tools and methods

• Bachelor Engineering or Technology in Computer Science, Engineering or IT Required & Master’s degree in related discipline Preferred


• Object-oriented Programming

• Web services & API standards (REST/OAuth/JSON)

• Programming & Scripting Languages (2 or more of Java, C++, Scala, JS, Python, Shell*)

• Spring, Spring Boot

• Web application frameworks like AngularJS, Spring)

• Analytical and Problem-solving

• Ability to operate effectively independently

• Technical Communication (Written and Oral)

Minimum qualifications

• BS in Computer Science or related technical field or equivalent practical experience.

• Relevant internship or work experience, including development and/or test automation experience.

• Experience with complex Micro service, modern technology stack Implementations

In the US, 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.

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.

NYC Salary Range: $92,000 - $152,000

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.

Requisition ID: R-142788