Marsh is seeking a highly experienced Digital Experience & App Dev Engineer to provide principal-level technical leadership for digital experience and application development initiatives supporting our CFO organization. Based in our US main office, this role will be strongly hands-on and will help guide architecture, engineering standards, technical design, and delivery across AI, ML, data, and application engineering efforts. We are looking for a proven technical leader who can help shape the next generation of enterprise digital products in a high-performance, product-oriented environment. We will count on you to: • Provide principal-level technical leadership for the design and delivery of digital products, applications, and AI/ML-enabled platforms. • Stay hands-on in architecture, design reviews, code reviews, prototyping, troubleshooting, and solving complex engineering challenges. • Guide engineering direction across solutions built with Python, FastAPI, ReactJS, Kubernetes, Docker, MongoDB, PostgreSQL, GitHub, CI/CD, unified pipelines, and Databricks. • Partner with data and ML engineers to support forecasting, predictive analytics, and finance-oriented data workflows. • Mentor engineers, influence technical direction across multiple workstreams, and help elevate engineering practices across the team. What you need to have: • 15+ years of software engineering experience. • Strong track record as a principal engineer, distinguished technical lead, or senior architect-level engineer. • Deep hands-on expertise in modern application, platform, and digital product engineering. • Strong experience with Python, FastAPI or equivalent backend frameworks, ReactJS or similar frontend technologies. • Strong experience with Kubernetes, Docker, MongoDB, PostgreSQL, CI/CD, and Git-based workflows. • Experience with Databricks, ML-enabled products, forecasting/predictive use cases, and AI/agentic solutions such as LangChain and GPT-based applications. • Strong understanding of software architecture, observability, scalability, security, and production operations. • Demonstrated ability to mentor engineers and provide technical direction across multiple workstreams. What makes you stand out: • Experience at big-tech companies or similarly strong product engineering organizations. • Experience building enterprise digital products with a strong user experience and application engineering orientation. • Familiarity with finance, FP&A, controllership, or financial reporting-related systems. • Experience in modernization, refactoring, and technical uplift of engineering environments. • Familiarity with MLOps, AI observability, and model or application lifecycle tooling. • Strong stakeholder partnership skills across product, engineering, design, and business teams. • Experience influencing engineering culture, technical standards, and platform direction beyond one immediate team. The applicable base salary range for this role is $139,500 to $278,900. The base pay offered will be determined on factors such as experience, skills, training, location, certifications, education, and any applicable minimum wage requirements. Decisions will be determined on a case-by-case basis. In addition to the base salary, this position may be eligible for performance-based incentives. We are excited to offer a competitive total rewards package which includes health and welfare benefits, tuition assistance, 401K savings and other retirement programs as well as employee assistance programs.