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From the employer's careers site First seen 1 Nov 2026

Principal Engineer (Architecture)

Salary

$170,000 - $281,000 USD per year

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Description

Mastercard is seeking a Principal Engineer (Architecture) to lead the architecture and design of MDES Services and define regional distribution/localization design for MDES.

The ideal candidate will have experience leading software development, driving engineering practices, and technically mentoring team members for a highly scalable, highly available enterprise-grade payment application.

Responsibilities:

  • Lead platform/solution architecture design addressing all non-functional requirements
  • Work closely with Product Management and Engineering Team to come up with high-level design
  • Develop critical components whenever required and create proof of concepts for new/unknown use cases/ideas
  • Conduct code reviews, ensure overall code quality, coach and mentor less experienced team members
  • Write and review Design Documentation whenever required
  • Perform SCM Operations – branching, merging, tagging, conflict resolution
  • Study upcoming technologies and identify how they can be used to improve existing solutions
  • Comply with organization processes, policies, and protect organization's intellectual property

Requirements:

  • Experience of technically leading at least one scrum team
  • Hands-on experience with core Java, Spring Boot, Spring (MVC, IOC, AOP, Security), SQL, RDBMS (Oracle and PostGRES), NoSQL (Cassandra), Web-services (JSON and SOAP), Kafka, Zookeeper
  • Experience with microservice applications and deploying them on public clouds like Google, AWS, Azure
  • Experience with Agile methodologies
  • Strong logical and analytical skills, design skills, and excellent communication skills

Benefits:

  • Competitive base salary
  • Annual bonus or commissions depending on the role
  • Insurance (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
  • 401k with a best-in-class company match
  • Deferred compensation for eligible roles
  • Fitness reimbursement or on-site fitness facilities
  • Eligibility for tuition reimbursement

Skills

Required

Nice to have

Ready to apply?

You apply with the employer directly. Their original posting is here: https://mastercard.wd1.myworkdayjobs.com/en-US/CorporateCareers/job/OFallon-Missouri/Principal-Engineer--Architecture-_R-291417-1

Apply on Mastercard