Jobs / Kenya / Mastercard International Incorporated

Principal Software Engineer

Mastercard International Incorporated · 🌍 Nairobi, Kenya

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About the role

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 Software Engineer Who is Mastercard? Mastercard is a global technology company specializing in the payments industry. Our mission is to connect and empower an inclusive, digital economy that benefits everyone, everywhere by ensuring transactions are safe, simple, smart, and accessible. Utilizing secure data and networks, strategic partnerships, and passion, our innovations and solutions support individuals, financial institutions, governments, and businesses in realizing their greatest potential. Our decency quotient, or DQ, drives our culture and influences everything we do both within and outside of our company. With connections spanning more than 210 countries and territories, we are committed to building a sustainable world that unlocks priceless possibilities for all. Overview Mastercard is looking for a talented Principal Software Engineer to join the Mastercard Foundry Research and Development team in our Nairobi office. In this role you will be part of a highly agile, AI native development team building innovative large-scale software platforms and solutions from ideation to release. Our team is built on a foundation of research and development, mining innovation internally, innovating new product lines with emerging technology, managing new products from inception to market validation and engaging strategically with start-ups to shape the future of commerce with and for our customers. At Mastercard you will help define the future of commerce globally. As an architect on the R&D team, you will be at the forefront of the design of complex, large-scale data-oriented new product concepts. This is a hands-on role for an engineer who is deeply engaged in using Generative and Agentic AI through the full product development lifecycle. You will work on lean, high-performance pods to architect software solutions to rapidly evolving product concepts which heavily leverage Mastercard and other datasets. The team will rapidly experiment with and iterate on AI native ways of working. We are looking for someone with deep experience designing large-scale customer-facing applications with significant data dependencies and significant experience leveraging AI in software architecture. Responsibilities of the role include: • Design highly scalable solution architectures for complex, early-stage product concepts across technology stacks, data platforms, and environments • Be a cultural influencer in use, adoption, and innovation of AI in solution architecture and software engineering through all phases of the product development lifecycle • Provide technical leadership on projects to architect, design, implement, deploy, and release complex applications, interfaces, and integrations • Contribute significantly to the technical strategy and lead implementation of the architecture of Data Platforms in Foundry R&D • Lead the scaling of AI systems including observability, evaluation, and cost optimization • Establish best practices for responsible AI, ensuring compliance, explainability and data privacy • Coach teams on technical best practices and use of AI across the Product Development Life Cycle Skills / Qualifications: • Hands on experience architecting and building 0 -> 1 applications using Generative AI,

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Source: Employer career site (Workday) First seen: 2026-10-01 Last confirmed: 2026-10-02 How our data works → Report this job

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