Principal Software Engineer

Posted 19 hours 57 minutes ago by Mission+

Permanent
Full Time
I.T. & Communications Jobs
Dublin, Ireland
Job Description
About Mastercard

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 Software Engineer

Opportunity

We're looking for a Principal Software Engineer to play a key role in shaping our Intelligent Dispute Platform (IDP) - a next-generation platform transforming how disputes are managed at global scale. This is a high-impact role where you'll combine deep technical expertise, architectural leadership, and a bias for action to solve complex challenges in a fast-moving environment.

What You'll Do
  • Lead the design of scalable, cloud-native platforms handling high-volume, mission-critical workloads
  • Act as a technical authority, guiding architecture and key engineering decisions
  • Drive engineering excellence across development, testing, security, and reliability
  • Embed strong development lifecycle discipline (PDLC) to ensure quality and delivery at scale
  • Apply AI and automation to improve how software is built, tested, and delivered
  • Partner across teams to solve complex problems and deliver outcomes quickly
  • Mentor engineers and raise the bar for technical excellence
What We're Looking For
  • Proven experience building large-scale distributed systems
  • Strong background in microservices, APIs, cloud platforms, and modern engineering practices
  • Ability to operate with urgency, make decisions quickly, and adapt to change
  • Exceptional problem-solving skills - especially in ambiguous, high-pressure situations
  • Experience influencing across teams and driving technical strategy at scale
  • Interest or experience in applying AI to software engineering workflows
Why Join Us?
  • Work on high-impact, global-scale systems
  • Be part of a team defining the future of AI-enabled engineering
  • Collaborate with top engineering talent across Mastercard
  • Shape platforms that power critical financial infrastructure worldwide
Corporate Security Responsibility
  • 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
  • Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines