Senior AI Engineer (RAG & MCP) – Enterprise AI Platforms

Mastercard Inc.; Dunboyne; On-site; EUR 90,000 - 140,000; Full time

Job summary

Mastercard Inc. is seeking a Senior Software Engineer (MCP & RAG) to design and deliver AI-powered, production-ready systems. You will build LLM-driven applications, create scalable knowledge bases with vector search, and integrate with MCP frameworks across cloud and data platforms.

The role involves cross-functional collaboration to translate business needs into resilient AI solutions. Ideal candidates have 5–10 years in software engineering, strong Python, and experience with LangChain and

Qualifications

• 5+ years of software engineering with focus on AI/ML and distributed systems.
• Proficiency in Python and scalable backend development.
• Experience with frontend frameworks (Angular or similar).
• Hands-on with LangChain and RAG-based systems.

Responsibilities

• Design and deliver AI-powered solutions using LLMs and RAG.
• Build enterprise knowledge bases with vector search.
• Develop LLM-driven apps with LangChain and orchestration patterns.
• Implement model interaction frameworks and MCPy or equivalent.
• Architect scalable cloud and data ecosystem solutions (AWS, Cloudera, Databricks).
• Collaborate with product and data teams to translate needs into AI-enabled solutions.

Skills

Python

AI/ML

Distributed systems

Angular

Education

CS/AI/Data Science degree

Tools

LangChain

LLM frameworks

Vector search

AWS

Job description

Mastercard Inc. is seeking a Senior Software Engineer (MCP & RAG) to design and deliver AI-powered, production-ready systems. You will build LLM-driven applications, create scalable knowledge bases with vector search, and integrate with MCP frameworks across cloud and data platforms.

The role involves cross-functional collaboration to translate business needs into resilient AI solutions. Ideal candidates have 5–10 years in software engineering, strong Python, and experience with LangChain and