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

Providing Innovative, Secure, and Reliable Switching Solutions is the lifeblood of Mastercard Core Products, we are currently seeking a passionate, collaborative, and experienced software engineer to join the Payment Networks Team.

Are you a collaborator capable of communicating effectively with Business and IT stakeholders across all organizational levels?

Are you an innovator who embraces, adopts, and studies the latest technology to solve challenging business problems?

Are you a leader who inspires the team to think “out of the box” and effectively communicates across all levels of the organization?

If this describes you, Mastercard wants to talk to you about the creation of our new agile development team that will support Direct Service Access work within our Next Edge Program.


•Responsible for the analysis, design, development and delivery of software solutions.

•Defines requirements for new applications and customizations, adhering to standards, processes and best practices.

About the Role:


  • Ensure quality of one or more application codebases and alignment with development standards.

  • Provides input into design of automation for full infrastructure deployment; manages review of and tests for compatibility and integration processes needed to connect with other devices

  • Automates large scale systems spanning multiple locations and environments.

  • Writes code automating public cloud, private cloud, and bare metal.

  • Automates common tasks, deploy with an IaaS model, utilizing chef, ansible, or similar

  • Ability to write moderately complex scripts and programs for automation, tools, frameworks,

dashboards, alarms. (common uses: Python, Perl, PHP, JavaScript, Go).

  • Orchestrates the deployment/maintenance of complex applications.

  • Responsible for performance engineering of the enterprise software architecture.

  • Significant code development, commitment of code/review of pull-requests, and modest day-to-day

support duties.

All About You

•Bachelor's degree in Information Technology, Computer Science or Management Information Systems or equivalent work experience.

•Thorough knowledge and understanding of Software Engineering Concepts and Methodologies.

•High energy, detail-oriented and proactive with the ability to function under pressure in an independent environment.

•High degree of initiative and self-motivation with a willingness and ability to learn and take on challenging opportunities.

•Strong communication skills -- both verbal and written – with strong relationship, collaborative skills and organizational skills.

Preferred Skills:


  • Experienced in event driven systems (Apache Kafka, NATS, etc)

  • Experience in financial system encryption (PIN Blocks, CHIP, CVC) would be beneficial

-Experience with testing frameworks and methodologies (Gtest, JUnit, mocking, etc.)

  • Experienced in building platforms with Microservice architecture and RESTful APIs.

  • Experience using cloud-native approaches running on Linux, leveraging Spring Boot

  • Experience with virtualization like Cloud Foundry (PCF), Kubernetes (PKS), Docker etc.

  • Experience with deployment via Concourse CI.

  • Experience with various coding languages Java, Go, C++,ESQL, etc.


BS or MS in Computer Science

Due to COVID-19, most of our employees are working from home. We’ve implemented a virtual hiring process and continue to interview candidates by phone or video and are onboarding new hires remotely. We value the safety of each member of our community because we know we’re all in this together.

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-131385