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MasterCard Lead Performance Architect 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

Lead Performance Architect

Lead Performance Architect

Be part of the Cyber & Intelligence solutions team developing new capabilities for MasterCard's Decision Management Platform, which serves as the core for multiple business solutions to combat fraud and validate cardholder identity. Our patented platform processes billions of transactions per month in tens of milliseconds using a multi-tiered, message-oriented approach for high performance and availability.

The Performance Architect will be responsible for performance and availability engineering for this platform, additionally web applications and web services for managing fraud solutions round out critical platform capabilities. This architect will partner with other architects and the performance team as part of assessing platform needs, testing, troubleshooting, identifying risk and making recommendations. A successful candidate will ensure potential performance and availability challenges are proactively identified, recommendations implemented and that capacity and availability exceed requirements all as part of ensuring the platform achieves business results.


• Ensure that platform capacity and availability exceed requirements.

• Review of function and technical specifications for potential performance issues.

• Review of program code to identify potential performance issues.

• Reviewing production incidents and patterns and determining root cause or plan of action to

remediate any issues.

• Work with the performance team to review system use cases and functional specifications

with the appropriate business analyst.

• Ensure all levels of testing are conducted with adequate coverage. Identify potential

problems, omissions and open issues, attend walkthroughs and signoff meetings.

• Identify quality risks, escalate issues in a timely manner and manage defects to closure.

• Produce documentation based on performance issue and fixes.

• Create and maintain a capacity and demand model for the platform as well as identify new

infrastructure needed to keep capacity above demand.

• Partner with other architects, performance teams and infrastructure teams.

• Provide technical thought leadership.

All About You

• Education: Bachelor’s Degree in Computer Science, Engineering, or related technical field.

• Experience with large, complex, scalable, highly performant transaction processing systems.

• Experience working closely with other architects and engineers and providing technical

thought leadership across an organization.

• A wide breadth and depth of technical experience including Java, Linux, Oracle.

• Strong verbal and written communication skills with the ability to communicate to an

audience at all levels within an organization.

• Self-motivated with the ability to accomplish tasks with minimal direction.

• Ability to multi task and meet deadlines.

Desirable Knowledge/Experience

• Application architecture

• High performance and highly scalable transaction processing systems

• Java development

• Java web applications

• Java web services

• Oracle database (SQL proficiency)

• Linux OS

In the US, 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

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

Everyone wants easier ways to pay;

we invent them.

Checkout lines are slow;

we speed them along.

Merchants want more sales;

we give them data and insights.

People need financial access;

we connect them.

Corporate purchasing is complicated;

we make it simple.

Commuters are busy;

we speed them on their way.

Governments need greater efficiencies;

we help create them.

Small businesses are virtual;

we give them access to a world of buyers.

Retailers want to fight fraud;

we provide the tools.

Requisition ID: R-179810