Senior Principal Software Architect – MarTech & Cloud

Mastercard Inc.; Rathcoole; Hybrid; EUR 140,000 - 210,000; Full time

Job summary

Mastercard Inc. in Dublin seeks a Senior Principal Software Architect to shape enterprise-scale architecture for the Customer Acquisition & Engagement stack.

This hands-on IC will define architectural vision, drive scalable roadmaps, and unify a broad MarTech ecosystem across data, identity, and activation. You will mentor engineers, influence executives, and lead architecture across cloud platforms, APIs, event-driven designs, and IaC, leveraging generative AI to accelerate prototyping and

Qualifications

• Proven experience as Principal Engineer, Lead Architect, or equivalent leadership role for enterprise-scale architecture.
• Strong CS foundation and experience building large-scale distributed platforms with secure data handling.
• Hands-on software engineering and coding skills; ability to prototype and assess implementations.
• Experience using generative AI within engineering workflows with emphasis on security and privacy.
• Deep understanding of cloud platforms, APIs, distributed systems, event-driven architectures, data architecture, and integration patterns.

Responsibilities

• Define the North Star architecture for Mastercard's Customer Acquisition & Engagement tech ecosystem and translate strategy into a scalable vision.
• Develop phased architecture roadmaps moving platforms toward the target state with clear priorities and tradeoffs.
• Lead architecture across large distributed systems focusing on scalability, resilience, security, observability, and cost.
• Drive MarTech integration: customer data, identity, audiences, personalization, offers, loyalty, activation, experimentation, and measurement.
• Define enterprise architecture patterns, reusable components, and reference implementations for engineering teams.
• Partner with Product, Engineering, Tech, and business to align decisions with customer needs and business goals.
• Evaluate complex challenges, map customer journeys, and validate solutions with proofs of concept.
• Provide hands-on leadership across cloud, APIs, IaC, data platforms, and automation.

Skills

Software architecture

Distributed systems

Cloud platforms

Generative AI

Executive communication

Mentoring engineers

Education

Bachelor's or Master's degree in Computer Science/Engineering/Information Systems

Tools

APIs

Infrastructure as Code

Automation tools

Job description

Mastercard Inc. in Dublin seeks a Senior Principal Software Architect to shape enterprise-scale architecture for the Customer Acquisition & Engagement stack.

This hands-on IC will define architectural vision, drive scalable roadmaps, and unify a broad MarTech ecosystem across data, identity, and activation. You will mentor engineers, influence executives, and lead architecture across cloud platforms, APIs, event-driven designs, and IaC, leveraging generative AI to accelerate prototyping and