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.
Why join our team:
We help you be your best through professional development opportunities, interesting work and supportive leaders.
We foster a vibrant and inclusive culture where you can work with talented colleagues to create new solutions and have impact for colleagues, clients and communities.
Our scale enables us to provide a range of career opportunities, as well as benefits and rewards to enhance your well-being.
Skills Required
- 15+ years of software engineering experience
- Experience 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 and FastAPI or equivalent backend frameworks
- Strong experience with 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 or predictive use cases, and AI or agentic solutions such as LangChain and GPT-based applications
- Understanding of software architecture, observability, scalability, security, and production operations
- Ability to mentor engineers and provide technical direction across multiple workstreams
- Experience at a big-tech company or similarly strong product engineering organization
- Experience building enterprise digital products with strong user experience and application engineering orientation
- Familiarity with finance, FP&A, controllership, or financial reporting 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
Marsh McLennan Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Marsh McLennan and has not been reviewed or approved by Marsh McLennan.
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Leave & Time Off Breadth — Leave offerings are described as generous, including sizable PTO, paid holidays, paid sick days, and additional time off such as paid volunteer time and “Summer days.” These time-off benefits are portrayed as a standout part of the overall rewards package.
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Healthcare Strength — Healthcare coverage is characterized as comprehensive, spanning medical, dental, and vision options, with additional supports like disability and life insurance and access to mental health resources and an EAP. The breadth of plan options is positioned as a core strength of the benefits package.
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Retirement Support — Retirement benefits are framed as solid, with 401(k) programs and employer matching frequently highlighted alongside other financial programs. Stock purchase options are also referenced as an additional wealth-building component of the total rewards mix.
Marsh McLennan Insights
What We Do
Marsh McLennan (NYSE: MMC) brings together nearly 78,000 experts in risk, strategy, and people across Marsh, Guy Carpenter, Mercer, and Oliver Wyman, serving clients in over 130 countries. Marsh enables enterprise worldwide by helping clients manage risks, transforming uncertainty into opportunity. Guy Carpenter helps clients grow profitably with reinsurance broking expertise, advisory services, and advanced analytics. Mercer helps organizations advance the health, wealth, and careers of their most vital asset — their people. Oliver Wyman’s expertise in strategy, operations, risk, and organization transformation changes what is possible for our clients, their industries, and society. Together, we combine a unique range of capabilities to help our clients solve problems, seize opportunities, and build lasting success in increasingly complex operating environments.







