Senior Principal Software Architect, MarTech & Growth Platform

Mastercard Inc.; Howth; Hybrid; EUR 120,000 - 180,000; Full time

Job summary

Mastercard's Global Customer Acquisition & Engagement team seeks a Senior Principal, Software Architect to shape future architecture. This hands-on IC role spans Product, Engineering, and Technology, defining the architectural vision and guiding phased roadmaps across large distributed systems.

Based in Dublin with a three-day-onsite hybrid model, you will lead integration of the MarTech ecosystem, drive scalable, secure platforms, mentor engineers, and apply AI-assisted practices to accelerate

Qualifications

• Proven experience designing and building enterprise-scale architectures.
• Hands-on software engineering with ability to prototype and test hypotheses.
• Experience using generative AI in engineering workflows.

Responsibilities

• Define and drive North Star architecture for CAC&E tech ecosystem.
• Develop phased roadmaps moving platforms toward target state.
• Lead architecture across large-scale distributed systems for performance and cost optimization.
• Mentor architects and engineers; influence teams without direct authority.

Skills

Software architecture

Cloud platforms

Distributed systems

APIs

AI in engineering

Leadership without authority

Education

Bachelor's or Master's degree in Computer Science / Engineering or related

Tools

Terraform

Kubernetes

CI/CD

Data platforms

Job description

Mastercard's Global Customer Acquisition & Engagement team seeks a Senior Principal, Software Architect to shape future architecture. This hands-on IC role spans Product, Engineering, and Technology, defining the architectural vision and guiding phased roadmaps across large distributed systems.

Based in Dublin with a three-day-onsite hybrid model, you will lead integration of the MarTech ecosystem, drive scalable, secure platforms, mentor engineers, and apply AI-assisted practices to accelerate