Senior Manager, Digital Experience & App Dev Engineer

Marsh McLennanNew York, NY
$139,500 - $278,900Hybrid

About The Position

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.

Requirements

  • 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.

Nice To Haves

  • 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.

Responsibilities

  • 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, 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.

Benefits

  • professional development opportunities
  • interesting work
  • supportive leaders
  • health and welfare benefits
  • tuition assistance
  • 401K savings and other retirement programs
  • employee assistance programs
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