Jobs and Careers
MA

Senior Software Engineer

Mastercard
O'Fallon, United Statesfull_timeVerifiedPosted 14 May 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

Overview

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.

About the Role

The Mastercard Authentication Program owns how consumer authentication works for both in-store and e-commerce transactional use cases. The primary purpose of this role is to develop and deliver best-of-breed authentication products for e-commerce transactional use cases that will drive uptake and penetration for the products and revenue for Mastercard. The authentication products that fall within this role’s responsibilities are ID Check, Token Authentication Service and Token Authentication Framework.

As a Senior Software Engineer, you will be responsible for:

Automation: Use automation tools to make software development more efficient, reliable, and consistent.
Continuous integration and delivery (CI/CD): Write scripts to automatically set up the deployment environment and integrate new code frequently.

Release Management: Plan, schedule, and execute software releases for customer access services, ensuring smooth and timely deployments across multiple environments (AWS, Azure, VMs, PCF).

Performance Testing: Conduct performance testing to identify bottlenecks, ensure optimal performance, and proactively address any scalability issues in the platform.

Monitoring: Set up monitoring tools to track the performance of software systems and configure alerts to address critical events.

Continuous Integration/Continuous Deployment (CI/CD): Develop and optimize automated deployment pipelines to improve the speed and reliability of deployments.

Platform Upgrades: Manage and execute platform upgrades, ensuring minimal downtime and seamless transition across all environments.

Cross-Environment Deployment: Oversee deployment across various environments, including cloud infrastructure (AWS, Azure), on-premise VMs, and Pivotal Cloud Foundry, ensuring consistent configurations and smooth operations.

Automation & Process Improvement: Lead efforts to automate deployment processes and continuously enhance the efficiency of our release engineering practices. Foster the evolution of release processes to keep pace with changing technologies and business needs.

Collaboration & Support: Work closely with Development, and Operations teams to support and troubleshoot issues related to deployment, performance, and platform scalability.

Documentation: Maintain comprehensive documentation of release processes, deployment pipelines, and troubleshooting procedures to ensure transparency and knowledge sharing.

Technical support: Investigate and resolve technical issues, perform root cause analysis, and provide technical support.

Process improvement: Work towards continuous improvement by building pipelines and creating or updating new processes.

All About You:

•Proven professional experience in a release engineering, DevOps, or similar role
•Extensive experience in release engineering, with a focus on Java-based platforms
•Proven experience in deploying applications in cloud environments (AWS, Azure) and on-premise VMs, with experience in PCF (Pivotal Cloud Foundry) a plus.
•Understands and implements standard branching (e.g., Gitflow), peer reviews and CI/CD practices (e.g. Jenkins, Chef Habitat)
•Hands-on experience with containerization and orchestration technologies is a plus
•Strong knowledge of performance testing, monitoring, and scaling of Java applications using tools such as Blazemeter or LoadRunner or JMeter, Dynatrace, and Splunk

Apply for this role

Generate a tailored application kit with a matched cover letter, interview prep, and CV highlights — in under 60 seconds.

Apply Now →Generate Application Kit

Free account required — sign up in 30s

Company

Mastercard

View company profile →