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Principal Software Engineer at Mastercard

Department: Engineering

Compensation

$170,000 – $281,000/yr

Location
O’Fallon, Missouri
Type
Full-time
Level
staff+
Posted

Description

Mastercard is hiring a Principal Forward Deployed Engineer to embed with Services product and engineering teams, write production code, clear technical bottlenecks, provide surge capacity, and deploy AI solutions such as assistants, agents, and RAG systems. The role coaches teams on AI-first development, transfers reusable patterns and knowledge, and moves across programs as priorities change. Candidates should have extensive hands-on software engineering experience, advanced containerization and orchestration expertise, current AI and agentic-systems experience, and strong delivery, communication, and technical breadth. The role is based in O'Fallon, Missouri, with a base salary of $170,000–$281,000 USD.

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