About Us

At Mastercard, we're powering economies and empowering people, building ​ a sustainable economy where everyone prospers.

Size: 10000+ employees
Industry: Consulting, Financial Services, Technology, Fintech

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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?
Mastercard is a global technology company in the payments industry. Our mission is 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.

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Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all.

Overview Have you ever wanted to be a part of something BIG? Do you have experience integrating new and emerging technologies into existing environments as technologies evolve and demands change? Are you eager to work with open source software and be exposed to the fast-paced world of Big Data technology? In this role, you can make an immediate impact for a Leading Global Technology Company, Master Card. The Quality Engineer role is responsible for working with teams across the company to implement new data solutions while maintaining the stability of the platform. You will be responsible for assessing and testing technologies and approaches for ingestion, transformation and storage. In addition, you'll work within the Fraud Data Engineering team to grow their knowledge and expertise. You will get the chance to work with extremely large data sets and be on the cutting edge of transforming the way Master Card captures, processes, stores and visualizes transactional data.

• RolePRIMARY RESPONSIBILITIES• Develop both internal and external dashboards using Qlik• Work closely with team members from across Mastercard to identify functional and system requirements• Experience with full stack development with angular and web applications.
• Development of UI based Qlik dashboards.
• API integration with cross functional components that interacts with Qlik and Web server.
• Design, develop and implement datamarts with quality and integrity at the top of mind to support our products• Create documentation to support knowledge sharing; including flowcharts and diagrams• Provide oversight and guidance to our Data Engineering development team• Read and interpret conceptual, logical, and physical models• Understand data modeling concepts and their application: entities and tables, relations and constraints, attribute data types and column data typesKNOWLEDGE AND SKILL REQUIREMENTS• BS/BA degree in Computer Science, Information Systems or related field• 3-5 years of experience using Qlik or related Business Intelligence technologies such as Web Focus, Tableau, PowerBI• UI Experience with Angular• Deep understanding of high-performant data concepts such as file stores, wide column databases, key-value pairs, etc.
• Excellent oral and written communication• Excellent problem-solving skills• Highly analytical with the ability to work independentlyOTHER VALUABLE SKILLS• Prior experience with; Hadoop, Kafka, Scala• Agile/Scrum methodologies Mastercard is a merit-based, inclusive, equal 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. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com 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.

In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more.

Pay Ranges

O'Fallon, Missouri: $115,000 - $184,000 USD

Client-provided location(s): O'Fallon, MO

Job ID: Mastercard-22331_R-257799

Employment Type: OTHER

Posted: 2025-08-14T19:19:43
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Perks and Benefits

Health and Wellness

• Health Insurance
• Dental Insurance
• Vision Insurance
• Life Insurance
• Short-Term Disability
• Long-Term Disability
• FSA
• FSA With Employer Contribution
• HSA
• HSA With Employer Contribution
• Fitness Subsidies
• On-Site Gym
• Pet Insurance
• Mental Health Benefits
• Virtual Fitness Classes
• Health Reimbursement Account

Parental Benefits

• Birth Parent or Maternity Leave
• Non-Birth Parent or Paternity Leave
• Fertility Benefits
• Adoption Assistance Program
• Family Support Resources
• On-site/Nearby Childcare
• Adoption Leave

Work Flexibility

• Flexible Work Hours
• Remote Work Opportunities
• Hybrid Work Opportunities

Office Life and Perks

• Commuter Benefits Program
• Casual Dress
• Happy Hours
• Snacks
• Company Outings
• On-Site Cafeteria
• Holiday Events
• Some Meals Provided

Vacation and Time Off

• Paid Vacation
• Paid Holidays
• Personal/Sick Days
• Leave of Absence
• Volunteer Time Off

Financial and Retirement

• 401(K) With Company Matching
• Performance Bonus
• Relocation Assistance
• Financial Counseling
• Stock Purchase Program
• 401(K)
• Company Equity

Professional Development

• Tuition Reimbursement
• Promote From Within
• Mentor Program
• Access to Online Courses
• Lunch and Learns
• Internship Program
• Work Visa Sponsorship
• Leadership Training Program
• Associate or Rotational Training Program
• Shadowing Opportunities

Diversity and Inclusion

Employee Resource Groups (ERG)

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