Principal Product Architect

Mastercard
London, England (Angel Lane)Posted 12 May 2026

Job Description

Our Purpose 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 Product Architect Principal Architect Overview We are looking for a principal architect to join an award-winning team with a proven track record of combining data science techniques with an intimate knowledge of payments data to aid Financial Institutions in their fight against money laundering and fraud. Headquartered in The City of London, we craft bespoke services that help our clients gain an understanding of the underlying criminal behaviour that drives financial crime, empowering them to take action. As part of the Architecture function, your role will focus on creating and maintaining architectural frameworks, understanding Product requirements and translating them in designs for the Engineering teams. You will have an active role in assessing architectural changes and new technologies. Your role will be global, designing global products and how these will be deployed regionally. Role • Draft architectures that follow design principles, and discuss them with other technical and non-technical stakeholders (Engineering, Product, Data Science, etc). • Define and maintain global API specifications, as well as mappings to regional API spec variations where necessary. • Lead architectural design assessments for changes and evolution of FCS products. • Lead technology assessments, software selections, and architectural evaluations to ensure alignment with business objectives and technical requirements. • Circulate your architectural designs across cross-functional team leads to support estimations and development processes. • Design to ensure resilience and reliability of services. • Take ownership to improve the customer experience of an entire set of services/applications sold as products or bundled services. • Simplify and improve the cost/benefit of a function, service, architecture strategy. • Drive the architectural design, including dependent services, service interactions, and policies. • Proactively address emerging technical concerns, and recommend innovations to enhance the market-readiness of specific solutions. • Apply judgment and experience to balance trade-offs between competing interests. • Venture beyond comfort zone to take on assignments across different areas of Architecture and Engineering. • Participate and contribute to review architecture meetings and drive resolutions to enterprise-wide challenges and regulatory needs. • Consult across teams and across organization lines to identify synergies and reuse opportunities. Ensure gaps are filled in understanding between teams. • Identify and raise awareness to Silo-ed behaviours within the organization and teams. • Develop complete understanding of end-to-end technical architecture and dependency systems. • Review products and practices and ensure that all are efficient and Mastercard compliant. • Design to ensure optimal performance and resilience of products. • Estimate and own delivery tasks (design, dev, test, deployment, configuration, documentation) to meet the business requirements. • Conduct technical interviews for hiring engineering staff and raising the performance bar. • The role is hybrid, based in central London, and the expectation is that you attend the office according to Mastercard policy, including team days, which are currently on Monday and Thursday. All About You First and foremost, you enjoy designing products to solve real, pressing problems for your customers. You enjoy working in a team, and hav ... (truncated, view full listing at source)
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