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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 (https://www.mastercard.us/en-us/vision/who-we-are/diversity-inclusion.html) 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

Internal Cloud 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.


• Design and implement a scalable, resilient and highly performant web authentication proxy service using Java, Nginx, JavaScript, Spring and Redis.

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

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

• Work on Pre SDLC or Discovery activities owning and contributing to assigned activities related to technical feasibility & assessment, providing responses.

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

Must have

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

• Experience in working with fast paced, modern architecture using Nginx, JavaScript, Java, Spring boot, Redis or similar technologies.

• Proficiency in Software Development Best Practices (TDD/BDD, Unit test, Continuous Delivery)

• Very good analytical and problem solving skills.

• Desire to stay abreast of new development technologies and tools.

• Very good inter-personal skills and ability to work in a collaborative environment.

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

Nice to have

• Working experience in a continuous integration development environment, preferably Jenkins.

• Good understanding of private or public cloud eco systems.

• Experience in secure software development.

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 reasonable.accommodation@mastercard.com 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-120324