Senior Principal Software Architect – MarTech Platform Lead

Mastercard Inc.; Clondalkin; Hybrid; EUR 150,000 - 190,000; Full time

Job summary

Mastercard Inc. in Ireland (Dublin) seeks a Senior Principal, Software Architect to shape CAC&E technology strategy and lead architecture across large distributed systems.

You will translate business needs into scalable technical vision and drive phased roadmaps with a strong focus on privacy, security, and cost efficiency. You will mentor engineers, collaborate with product, engineering, and business colleagues, and use AI-assisted engineering to accelerate prototyping and integration across

Qualifications

• Proven experience in enterprise-scale architecture and platform strategy.
• Strong CS foundation and design of large-scale distributed platforms.
• Hands-on software engineering and prototyping skills.
• Experience using generative AI in engineering workflows.
• Deep understanding of cloud, data, integration patterns, and automation.
• Experience across MarTech ecosystems (CDP, CRM, identity, orchestration).
• Ability to translate architecture decisions into measurable business outcomes.
• Excellent written and verbal communication with technical and executive audiences.

Responsibilities

• Define and drive North Star architecture for CAC&E tech ecosystem.
• Develop phased architecture roadmaps moving platforms toward target state.
• Lead architecture across large-scale distributed systems for scalability and security.
• Drive MarTech ecosystem integration including data, identity, personalization, loyalty, and measurement.
• Define enterprise architecture patterns and reusable components.
• Partner with Product, Engineering, Technology, and business teams.
• Evaluate complex challenges, prototype proofs of concept, validate solutions.
• Provide hands-on technical leadership across cloud, APIs, event-driven architectures, and IaC.
• Leverage generative AI to accelerate prototyping and improve workflows.
• Guide decisions from design to production, ensuring privacy, security, resilience, cost.
• Influence decisions across organization and mentor architects/engineers.

Skills

Enterprise architecture

Cloud platforms

Distributed systems

AI in engineering

Mentoring engineers

Executive communications

Education

Bachelor's or Master's in CS/Engineering/IS

Tools

APIs

Infrastructure as Code

Generative AI tooling

Job description

Mastercard Inc. in Ireland (Dublin) seeks a Senior Principal, Software Architect to shape CAC&E technology strategy and lead architecture across large distributed systems.

You will translate business needs into scalable technical vision and drive phased roadmaps with a strong focus on privacy, security, and cost efficiency. You will mentor engineers, collaborate with product, engineering, and business colleagues, and use AI-assisted engineering to accelerate prototyping and integration across