Principal AI Engineer at Mastercard

Join Mastercard Foundry R&D in Dublin as a Principal AI Engineer focused on transforming AI prototypes into production-grade microservices. You will collaborate with data scientists and MLOps teams to design scalable AI systems, develop robust APIs, ensure quality assurance, optimize performance, and maintain compliance with security standards.

Responsibilities:

Design and implement AI-powered microservices emphasizing modularity and scalability

Transition notebook-based PoCs to production components including models and agentic workflows

Develop APIs for seamless ecosystem integration

Lead testing strategies

Optimize microservice performance

Design reusable data pipelines

Research emerging technologies

Cross-functional collaboration with data scientists and MLOps teams

Ensure compliance with security and ethical AI standards

Requirements:

Bachelor's degree in Computer Science or related field (Master's preferred)

10+ years software development experience

5+ years building/deploying AI/ML, GenAI, or agentic AI applications in production

Tech Stack: Python, Java, FastAPI, LangChain, LangGraph, Semantic Kernel, Spring AI, Spring Boot, containerization, RESTful APIs, microservices, CI/CD, feature stores, model registries.