Senior Tech Architect for Payments Platform and Systems

Mastercard; O’Fallon (MO); On-site; USD 150,000 - 190,000; Full time

Benefits offered by this job

Benefits package

Job summary

Mastercard is seeking a Principal Engineer (Architecture) to lead the architecture and design of MDES services, defining regional distribution and localization for a highly scalable payments platform. You will partner with Product and Engineering, mentor teams, review designs, and drive best practices in code quality, security, and continuous delivery across our enterprise-grade payment applications.

The ideal candidate has deep Java/Spring expertise, experience with microservices in cloud

Qualifications

• Hands-on expert in Core Java, Spring Boot, and Spring (MVC, IOC, AOP, Security).
• Strong SQL and RDBMS experience (Oracle, PostgreSQL).
• NoSQL experience with Cassandra; messaging with Kafka; Zookeeper familiarity.
• Experience with microservices and cloud deployment (AWS/GCP/Azure).
• Proficient in IDEs (IntelliJ/Eclipse), UML tools, Git, and CI/CD.

Responsibilities

• Lead platform/solution architecture addressing non-functional requirements.
• Collaborate with Product Management and Engineering to shape high-level design.
• Develop critical components and create PoCs for new use cases.
• Conduct code reviews and mentor less-experienced team members.
• Write and review design documentation.
• Manage SCM operations and version control tasks.
• Evaluate new technologies to improve the solution.
• Ensure compliance with processes and protect IP.

Skills

Core Java

Spring Boot

Spring Framework

SQL & RDBMS

NoSQL Cassandra

Kafka

Architectural design

Mentoring

Code reviews

Cloud (AWS/GCP/Azure)

Tools

IntelliJ/Eclipse

UML tools

Git

Job description

Mastercard is seeking a Principal Engineer (Architecture) to lead the architecture and design of MDES services, defining regional distribution and localization for a highly scalable payments platform. You will partner with Product and Engineering, mentor teams, review designs, and drive best practices in code quality, security, and continuous delivery across our enterprise-grade payment applications.

The ideal candidate has deep Java/Spring expertise, experience with microservices in cloud