Agentic AI - Senior Software Engineer at Mastercard

Mastercard Foundry R&D seeks a Senior Software Engineer for the Agentic AI Engineering team. This is a hands-on position applying Generative and Agentic AI to products and developer workflows.

Responsibilities:

Build software and tooling supporting Mastercard's AI strategy

Design AI-enabled applications

Develop reusable services and patterns that enable teams across Mastercard to experiment, validate, and scale AI-enabled solutions

Evaluate models and frameworks across quality, cost, and latency metrics

Contribute to product development

Improve developer experience through AI-assisted workflows

Partner across teams and advocate best practices organization-wide

Requirements:

Hands-on experience building applications or systems using Generative AI and LLMs

Understanding of agentic patterns, orchestration, tool-calling, context management, and AI system design trade-offs

Modern AI frameworks: LangGraph, OpenAI Agents SDK, Vercel AI SDK, Codex SDK

Strong software engineering

React and/or Next.js

Java and/or Python

Developer tooling experience

Containers and cloud-native development

CI/CD practices

Location: Dublin 18, Ireland (hybrid)

Employment: Full-time