Marsh & McLennan Companies

AI Engineer in Marsh’s AI Center of Excellence, evaluating emerging LLM, agent, memory, guardrail, and MCP technologies and turning successful proofs of concept into production capabilities. The role combines hands-on software and cloud engineering with enterprise technical guidance and enablement of AI coding agents.

Help shape Marsh’s enterprise AI strategy by evaluating emerging technologies, designing integration patterns, and contributing to reference architectures. This early-career architecture role offers hands-on exposure to LLMs, agentic frameworks, cloud platforms, and AI adoption at scale.

Lead the design and delivery of enterprise-grade AI and retrieval-augmented generation solutions for Marsh Risk’s insurance risk consulting team. The role bridges business stakeholders and engineering teams through solution architecture, technical leadership, and hands-on delivery oversight.

Applications Developer responsible for maintaining, enhancing, and supporting MEAN/MERN applications, backend services, APIs, and Postgres databases. This hybrid Mexico City role combines full-stack development with application reliability and performance improvements.

Lead hands-on architecture and delivery of enterprise digital products, applications, and AI/ML-enabled platforms supporting the CFO organization. This principal-level technical leadership role spans application engineering, platform direction, mentoring, and modernization.

Build and support full-stack web applications for Marsh’s risk business using the MERN stack, SQL, and AWS. This hybrid Chicago role combines hands-on software development with client collaboration, technical support, and cloud deployment.

Marsh is hiring an Applications Developer to lead Oracle TRCS enhancements, support financial close cycles, and deliver reliable tax reporting solutions. This hybrid New York role combines software development, production support, and business-process optimization.

Senior Applications Developer building high-performance, scalable .NET scientific simulation platforms and customer-facing online experiences. The role combines hands-on C# development, Azure cloud work, performance optimization, and collaboration with technical and domain experts.