Principal Engineer (Architecture)

Mastercard Inc.; O’Fallon (MO); On-site; USD 170,000 - 281,000; Full time

Benefits offered by this job

401(k) match

Tuition reimbursement

Paid time off

On-site facilities

Comprehensive benefits

Job summary

Mastercard is seeking a Principal Engineer (Architecture) with deep expertise in Java and Spring to lead architecture and design for MDES services. You will define regional distribution, drive engineering practices, and mentor an engineering team to deliver scalable, secure payment applications.

The role requires hands-on development, code reviews, and collaboration with product management to craft high-level designs and proof-of-concepts for new use cases.

Qualifications

• Experience leading at least one scrum team, refining features, guiding and mentoring team members.
• Hands-on development with core Java, Spring Boot, Spring MVC/IOC/AOP/Security and SQL/RDBMS; experience with NoSQL and web services.
• Developing microservice architectures and deploying to public cloud (AWS, Google, Azure).
• Proficient in design documentation, code reviews, and version control (Git); familiar with CI/CD tools.

Responsibilities

• Lead platform/solution architecture to meet non-functional requirements.
• Collaborate with product management and engineering to design high level architecture.
• Develop critical components and proof-of-concepts for new ideas.
• Conduct code reviews and mentor junior engineers; ensure code quality.
• Create/design documentation and manage SCM operations (branching, merging).
• Research new technologies and evaluate their applicability to existing solutions.
• Adhere to organizational processes and protect IP.

Skills

Java

Spring Boot

Spring Framework

SQL

Oracle

Postgres

NoSQL Cassandra

Kafka

Zookeeper

Microservices

Cloud (AWS/GCP/Azure)

CI/CD

Git

UML

IDE (IntelliJ/Eclipse)

Tools

IntelliJ

Eclipse

MS Visio

PlantUML

Job description

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

Principal Engineer (Architecture)

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. 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

The MDES team is looking for a Technical Architect (Principal, Software Development Engineer) who can lead Architecture and Design of MDES Services and define regional distribution / localization design for MDES. The ideal candidate is the one who is passionate about leading software development, driving engineering practices & technically mentoring team members for a highly scalable, highly available enterprise grade payment application.

Role

• Lead platform / solution architecture design addressing all non-functional requirements
• Work closely with Product Management and Engineering Team to come up high level design
• Develop critical components whenever required and create proof of concepts for new/unknown use cases/ideas
• Conduct code reviews, is responsible for overall code quality, Coach and mentor less experienced team members
• Write and review Design Documentation whenever required
• Do SCM Operations – branching, merging, tagging, conflict resolution
• Study upcoming technologies and identify how they can be used to improve existing solution
• Comply with organizations processes. Policies and protects organization’s Intellectual property. Also, participate in organization level process improvement and knowledge sharing

All About You

Essential knowledge, skills & attributes

• Experience of technically leading at least one scrum team in terms of assisting Product Manager in refining the features and stories, doing low level design, doing code review, troubleshooting team’s issues, guiding & mentoring team members
• Hands on experience and expert on working with core Java, Spring Boot, Spring (MVC, IOC, AOP, Security), SQL, RDBMS (Oracle and PostGRES), NoSQL (Cassandra), Web-services (JSON and SOAP), Kafka, Zookeeper
• Hands on experience of developing microservice application & deploying them on any one of the public cloud like Google, AWS, Azure
• Hands on experience of using Intellij/Eclipse/My Eclipse IDE, UML tools (MS Visio, PlantUML)
• Hands on experience of writing Junit test cases, working with Maven/Ant/Gradle, GIT
• Experience of working with Agile methodologies.
• Personal attributes are strong logical and Analytical Skills, design skills, should be able to articulate and present his/her thoughts very clearly and precisely in English (written and verbal)
• Knowledge of Design Patterns
• Knowledge of Security concepts (E.g. authentication, authorization, confidentiality etc.) and protocols, their usage in enterprise application

Additional/Desirable capabilities

• Experience of working in Payments application Domain
• Hands on experience of working with tools like Mockito, JBehave, Jenkins, Bamboo, Confluence, Rally

Equal opportunity statement

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 [e-mail] 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.

Compensation

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.

Benefits

• 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
• 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

Benefits for interns

• 56 hours of Paid Sick and Safe Time
• jury duty leave
• on-site fitness facilities in some locations

Position Status

THIS POSTING RELECTS ONE OR MORE CURRENT VACANCIES ON OUR TEAM, AND MASTERCARD INTENDS TO FILL THIS POSITION BY 01/03/2027. If the fill date has passed, Mastercard intends to fill this position as soon as possible.

Pay Ranges

O'Fallon, Missouri: $170,000 - $281,000 USD

Marketing Text

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.