Marsh McLennan

Senior Manager, Digital Experience & App Dev Engineer

Marsh McLennan$139K — $278K *
Information Technology
11 - 15 years of experience
Job Overview by Ladders

Qualifications

  • 15+ years of software engineering experience
  • Proven track record as a principal engineer or senior architect
  • Deep technical expertise in application and digital product engineering
  • Extensive knowledge of Python, FastAPI, ReactJS, and related technologies
  • Experience with Kubernetes, Docker, MongoDB, PostgreSQL, and CI/CD workflows
  • Familiarity with ML-enabled platforms and AI applications
  • Strong mentorship abilities and capability to influence technical direction

Responsibilities

  • Lead design and delivery of digital products and AI/ML platforms
  • Engage in hands-on architecture and design reviews
  • Provide guidance on engineering solutions using modern tech stacks
  • Collaborate with data and ML engineers for analytics workflows
  • Mentor engineers and promote elevated engineering practices

Benefits

  • Professional development opportunities
  • Inclusive culture with collaborative colleagues
  • Variety of career opportunities and well-being benefits
Full Job Description

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.

About Marsh McLennan

Marsh McLennan Careers

Join the exceptional team at Marsh McLennan, a global leader in professional services, offering unparalleled job opportunities in insurance, risk management, and consultancy. As the company propels forward, it invites dedicated professionals to contribute to a culture of innovation, leadership, and growth.

Work You’ll Do

At Marsh McLennan, you will engage with complex challenges that push the boundaries of your skills and knowledge. Our team thrives on diversity and the shared goal of delivering impactful solutions to our clients worldwide. By joining us, you will be part of a culture that values diversity training and leadership development, ensuring every team member is equipped for success.

Explore Professional Growth

Marsh McLennan is committed to the professional growth of its employees. Whether you are seeking a position that offers a path to leadership or looking for robust internship programs to kickstart your career, Marsh McLennan provides the resources and global platform to propel your ambitions into achievements. Our benefits package is designed to support the well-being and continuous professional development of all staff, from entry-level to senior leadership roles.

Innovative Work Environment

Our company is at the forefront of industry innovation. The collaboration between experienced professionals and fresh talent generates dynamic solutions that keep Marsh McLennan at the cutting edge of the industry. Our team is encouraged to lead with creativity and embrace new ideas, driving the company’s legacy of pioneering industry-first solutions.

Join Our Team

Marsh McLennan is hiring! Explore the multitude of job opportunities on our careers page, from strategic advisory roles to operational excellence positions. We look for passionate, curious, and solution-driven team players. Enhance your career with Marsh McLennan, where your skills will be honed through challenging projects and high-impact strategies.

Networking and Career Advancement

Networking at Marsh McLennan opens doors to enriching connections and countless opportunities within the industry. Our professionals benefit from an environment that fosters networking through events, professional groups, and collaborative projects. With Marsh McLennan, career advancement is not just a possibility—it is an expectation.

Prepare for Your Interview

Ready to apply? Make sure your resume highlights your most relevant experiences and skills tailored to the position you are applying for. Our interview process is designed to understand your capabilities and fit with our team’s goals and values. Prepare to discuss how your background, experiences, and professional aspirations align with the opportunities at Marsh McLennan.

Stay Connected

Keep up to date with the latest from Marsh McLennan: - **Career Insights**: Gain insider perspectives and industry-leading insights through our careers blog. - **Job Alert Emails**: Personalize your subscription to receive job alerts and the latest news tailored to your preferences. Discover the rewarding career opportunities awaiting at Marsh McLennan, where your professional journey is just the beginning. Join us in shaping a future defined by insight, integrity, and innovation.
Learn more about Marsh McLennan
Size
83,000 employees
Market Cap
$82.6 billion
Industry
Net Income
$2 billion
Founded
1914
5 Year Trend
+8.5%
Revenue
$17.2 billion
NASDAQ

Similar Jobs

More Jobs at Marsh McLennan

More Information Technology Jobs

Find similar Senior Manager, Digital Experience & App Dev Engineer jobs: