Jobs and Careers
MA

Senior Software Engineer

Mastercard
O'Fallon, United Statesfull_timeVerifiedPosted 27 Mar 2025
💰 $115,000/yr

About the role

Our Purpose

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

Who is Mastercard?
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.

Technology at Mastercard
What we create today will define tomorrow. Revolutionary technologies that reshape the digital economy to be more connected and inclusive than ever before. Safer, faster, more sustainable. 
And we need the best people to do it. Technologists who are energized by the challenges of a truly global network. With the talent and vision to create the critical systems and products that power global commerce and connect people everywhere to the vital goods and services they need every day.
Working at Mastercard means being part of a unique culture. Inclusive and diverse, a rich collaboration of ideas and perspectives. A place that celebrates your strengths, values your experiences, and offers you the flexibility to shape a career across disciplines and continents. And the opportunity to work alongside experts and leaders at every level of the business, improving what exists, and inventing what’s next.

About the role
Role:
This position is a member of the STRM - Security Threat and Response Management team which is responsible for security monitoring and response functions for Mastercard, accounting for both physical and cyber security events. Engineer would build new software capabilities, support existing solutions, provide technical oversight and lend its expertise to the program.
• Participate in the gathering of business requirements
• Produce software designs that align with MasterCard’s Enterprise Architecture
and leverage our enterprise services.
• Writes codes that meet MasterCard’s business needs.
• Produces code thar are of high quality standards and is delivered on time.
• Ensure that software and system design and delivery support the goal of zero
down time in production.
• Work closely with business partners on product definition, product roadmaps,
business case development.
• Respond to operational and business concerns or issues relative to future
business programs, projects, or enhancements to ensure consistent delivery of
quality services.
• Collaborates with all stakeholders ( Quality, Product and other Engineering
Teams)
· Estimate and own delivery tasks (design, dev, test, deployment, configuration, documentation)
· Automate build, operate, and run aspects of software
· Drive code/design/process trade-off discussions within their team when required
· Be a voice of the team, performing demos/acceptance discussions with Product owners and confidently communicating elsewhere when needed
· Drive adoption of technology standards and practices and review code, test, and automation work of team members
· Mentor and guide new and less-experienced team members



All about you

· Good oral and written communicator. Explains concepts accurately and well across a range of technical and business domains. Very high level of precision in technical and design discussions. Conveys and communicates ideas in a way that significantly enhances understanding, collaboration, and engagement. Communicates very well across seniority levels, roles, and geographies.
· Highly effective debugging complex issues and relentless in discovering root causes of bugs that span multiple services and product modules.
· Mentors junior engineers and interns to a high level of productivity and independence. Teaches technical and domain knowledge, and best practices. Encourages others to take on additional opportunities and challenges.

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Company

Mastercard

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