Senior Principal Software Architect – MarTech & Platform Strategy

Mastercard Inc.; Bray (OK); Hybrid; USD 146,000 - 202,000; Full time

Job summary

Mastercard Inc. is seeking a Senior Principal Software Architect in a hybrid Dublin role to shape our CAE technology ecosystem. You will define strategic architecture, drive roadmaps, and lead cross-team efforts across cloud platforms, data, and MarTech to deliver scalable, secure, and cost-efficient solutions.

You will mentor engineers, collaborate with product and exec teams, and apply AI-enhanced engineering practices to accelerate prototyping and delivery.

Qualifications

• Proven experience as a Principal Engineer, Lead Architect, or equivalent with enterprise-scale architecture responsibility.
• Strong CS fundamentals and experience designing large distributed platforms securely handling data.
• Hands-on software engineering with capability to prototype and test hypotheses.
• Experience using generative AI within engineering workflows with attention to security and privacy.
• Deep understanding of cloud, data platforms, and enterprise integration patterns.
• Experience across MarTech ecosystems including identity resolution, journey orchestration and measurement.

Responsibilities

• Define and drive the North Star architecture for Mastercard's CAE ecosystem and translate strategy into actionable tech vision.
• Develop phased roadmaps moving platforms toward the target state with clear priorities and tradeoffs.
• Lead architecture across large distributed systems focused on scalability, security, and cost efficiency.
• Drive integration and simplification of the MarTech stack including data, identity, audiences and activation.
• Define enterprise patterns, reusable components, and reference implementations for engineering teams.
• Mentor architects and engineers, promoting strong practices and cross-functional collaboration.

Skills

Enterprise architecture

Cloud platforms

Distributed systems

AI in engineering

Mentoring engineers

Education

Bachelor's or Master’s degree in CS or related field

Tools

Terraform

Kubernetes

APIs

CI/CD

Job description

Mastercard Inc. is seeking a Senior Principal Software Architect in a hybrid Dublin role to shape our CAE technology ecosystem. You will define strategic architecture, drive roadmaps, and lead cross-team efforts across cloud platforms, data, and MarTech to deliver scalable, secure, and cost-efficient solutions.

You will mentor engineers, collaborate with product and exec teams, and apply AI-enhanced engineering practices to accelerate prototyping and delivery.