MasterCard Senior Engineer, Software Engineering-2 in O'Fallon, Missouri

Who is Mastercard?

We are the global technology company behind the world’s fastest payments processing network. We are a vehicle for commerce, a connection to financial systems for the previously excluded, a technology innovation lab, and the home of Priceless at ®. We ensure every employee has the opportunity to be a part of something bigger and to change lives. We believe as our company grows, so should you. We believe in connecting everyone to endless, priceless possibilities.

Job Title

Senior Engineer, Software Engineering-2

Job Description Summary


Have you ever supported a global market?

Are you motivated to be a part of driving a world beyond cash?

Have you participated on a team of diverse skills and experience?

In this role, you will ensure MasterCard’s data is being leveraged for making important business decisions. You will collaborate with other organizations and teams to develop data solutions to business needs. You will get to work with a variety of people/roles within the company to help them achieve their data related goals.

In this role, you will have access to 300+ terabyte Netezza data warehouse appliances. You will be involved in interesting and varying critical data investigations. The ever changing data will provide new challenges and vistas for exploring and learning.

In this role, as applications or ETL processes are being developed, you will act as a consultant on any solution proposed that will run on the Netezza appliance. This role ensures the system is utilized efficiently. You will train people to be good consumers of the data and ensure that the data is being used wisely.


• Plan, design and develop data solutions and alternatives to meet business requirements in adherence with MasterCard standards, processes and best practices.

• Participate on complex application level initiatives and projects teams, collaborate with business partners, vendor/ consulting organizations and peer level professionals from other IT disciplines

• Ensure quality of one or more "application" codebases and alignment with development standards

All About You

Strong SQL writing skills with a focus on large data retrieval and SQL tuning and performance troubleshooting.

Strong technical experience in .NET Framework, .NET MVC, Database/Data Appliance (Oracle, Exadata, Netezza, SQL Server), Web Services - SOAP/ RESTFul,

Experience working with large data sets and a general inquisitiveness around data.

Strong scripting (Korn shell or bash) experience and some exposure to cross-platform technologies to enable porting code across platforms.

Exposure to key/value data stores a plus.

Experience with various enterprise tools ( Remedy,Maven, Jenkins) and Agile Methodology

High-energy, detailed-oriented, proactive and able to function under pressure in an independent environment along with a high degree of initiative and self-motivation to drive results

Strong leadership, interpersonal, relationship-building and negotiation skills required with a solid track record for developing internal and external relationships

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.

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-71474