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Job Information

MasterCard Senior Software Engineer, Service Cloud Performance Engineering 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 Engineer, Service Cloud Performance Engineering


• B2E Business Tools team within MasterCard is about creating an ecosystem to build a world beyond waiting for all delivery teams to help achieve time-to-market, quality excellence, and higher customer satisfaction within all verticals including core, emerging payments, and value-added services.

• This position will be part of B2E Business Tools team driving Performance engineering and performance test strategy for Mastercard Services business verticals and capabilities.

Key questions:

• Are you an experienced leader who is passionate about innovative technology – specifically performance engineering tools, performance profiling, web/mobile and database performance real-time monitoring, tools - and its potential to help create a world beyond cash?

• Love being hands on and eager to demonstrate a clear path of services adoption to your partners with demos, presentations, and prototypes?

• Do you have a motivation to drive Performance Test automation and self-service culture as a part of software delivery practices?

• Can you scale your communication to articulate application performance metrics and issues starting from engineers to program managers to executives?


• Provide technical recommendations for a holistic performance strategy covering environment, techniques, key SLA metrics; platform hardware analysis; scalability architecture for better performance; and performance profiling/troubleshooting techniques.

• Mentor a small team of performance engineers on test data and performance environment needs, and develop schedules for ongoing performance testing activities.

• Partner with operations, product, and development teams to develop real-time performance dashboards and provide daily transparency of production application performance to stakeholders.

• Develop and oversee performance strategies and approaches including creating performance metrics and ensuring all applications are performing to the agreed upon SLAs.

• Perform performance testing, profiling, and troubleshooting for the assigned products/projects and present results with deep insight.

• Define and implement best practices for end-to-end application performance management solutions including Proof of Concepts and Tools evaluation and selection – specifically in the area of emerging technologies (Web, Mobile, Salesforce, Big-data).

All About You

• Ability to define performance test team strategy and roadmap, as well as partner with management to drive out and implement the strategy.

• Prior experience installing, configuring and using performance testing tools such as LoadRunner/StormRunner and JMeter, and performance monitoring tools such as Thousand Eyes. Dynatrace and Splunk.

• Both Web Application and Web Services Scripting and performance testing experience and knowledge.

• Ability to monitor and tune Java virtual machine and app servers; articulate JVM GC process and its logs; ability to collect performance metrics from *nix and Windows.

• Performance tuning experience with RDBMS (Oracle, PostGreSQL and SQL Server etc).

• Application development experiences preferably in Java, C/C++ and/or Linux Shell Scripting.

• Familiarity with cloud computing concepts preferred (MS Azure, Google Cloud and/or Amazon Web Services)

• Self-motivated individual that finds and delivers solutions with ability to continuously learn new applications and technologies.

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.

Corporate Security Responsibility

Every person working for, or on behalf of, Mastercard is responsible for information security. All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and therefore, it is expected that the successful candidate for this position 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.

Requisition ID: R-138239