Logo for Marsh McLennan

React Full Stack - Senior Software Engineer

Role overview

Summary

This role focuses on developing full stack capabilities for an AI-powered insurance document analysis platform at Marsh Agency. You will collaborate with various teams to create secure and reliable experiences while contributing to the overall software engineering efforts.

Qualifications

  • Strong experience building modern React applications with TypeScript.
  • Professional experience developing Python services with FastAPI.
  • Ability to design secure, scalable systems that integrate with third-party APIs.
  • Experience working with cloud-native deployment patterns, containers, CI/CD.
  • Hands-on experience with document-oriented or distributed data platforms such as MongoDB.

Responsibilities

  • Design, build, and evolve full stack capabilities for an AI-powered insurance document analysis platform.
  • Partner with product, design, and fellow engineers to address complex business needs.
  • Contribute to document processing, coverage-gap analysis, quote comparison, and real-time progress flows.
  • Conduct thoughtful code reviews, automated testing, and provide technical mentorship.

Hard skills

Other skills

  • Communication
  • Collaboration
  • Problem Solving

About the company

Marsh McLennan logo

Marsh McLennan

  • Insurance
  • 10,001+
Marsh McLennan (NYSE: MMC) is the world’s leading professional services firm in the areas of risk, strategy and people. The Company’s 86,000 colleagues advise clients in 130 countries. With annual revenue over $19 billion, Marsh McLennan helps clients navigate an increasingly dynamic and complex environment through four market-leading businesses. Marsh provides data-driven risk advisory services and insurance solutions to commercial and consumer clients. Guy Carpenter develops advanced risk, reinsurance and capital strategies that help clients grow profitably and pursue emerging opportunities. Mercer delivers advice and technology-driven solutions that help organizations redefine the world of work, reshape retirement and investment outcomes, and unlock health and well being for a changing workforce. Oliver Wyman serves as a critical strategic, economic and brand advisor to private sector and governmental clients. Follow us on Twitter: @MarshMcLennan

Your match analysis

See how your profile stacks up against this role.

We compared the job requirements to your profile to show where you're strong and where you fall short.

Job description

Company:

Marsh McLennan Agency

Description:

Our not-so-secret sauce.


Award-winning, inclusive, Top Workplace culture doesn’t happen overnight. It’s a result of hard work by extraordinary people. The industry’s brightest talent drive our efforts to deliver purposeful work and meaningful impact every day. Learn more about what makes us different and how you can make your mark as a Senior Software Engineer at Marsh Agency.


Marsh Agency helps people and organizations manage risk and prepare for the future through insurance, benefits, retirement, and wealth management strategies. We believe in hands-on proactive service, data-driven insights, and understanding how global events can impact local decisions. As a trusted partner, we show our clients what’s possible and guide them during every step of their journey.


A day in the life.


As our Senior Software Engineer on the Marsh Agency Software Engineering team, you’ll design, build, and evolve full stack capabilities for an AI-powered insurance document analysis platform. You’ll partner with product, design, and fellow engineers to turn complex business needs into secure, reliable experiences; contribute to document processing, coverage-gap analysis, quote comparison, and real-time progress flows; and help raise the bar through thoughtful code reviews, automated testing, observability, and technical mentorship.


Our future colleague.


We’d love to meet you if your professional track record includes these skills:

  • Strong experience building modern React applications with TypeScript, component-based UI design, and client-side API integration.
  • Professional experience developing Python services with FastAPI and designing RESTful APIs, background processing, and asynchronous workflows with Celery.
  • Ability to design secure, scalable systems that integrate with identity platforms, third-party APIs, OCR/document-processing services, and LLM-powered workflows.
  • Experience working with cloud-native deployment patterns, containers, CI/CD, monitoring, and production operations; AWS and Kubernetes/EKS experience is highly relevant.
  • Strong communication, collaboration, problem-solving, and technical leadership skills, with a track record of mentoring engineers and delivering high-quality work.
  • Hands-on experience with document-oriented or distributed data platforms such as MongoDB, Redis, and Amazon S3.

These additional qualifications are a plus, but not required to apply:

  • Experience with Mastra, LLM orchestration, prompt/tool design, or AI agent workflows.
  • Experience with Server-Sent Events, MongoDB change streams, OCR/document parsing, or browser-based WASM processing.
  • Familiarity with Microsoft Entra ID/MSAL, infrastructure as code, or observability platforms such as Datadog.

We know there are excellent candidates who might not check all of these boxes. Don’t be shy. If you’re close, we’d be very interested in meeting you.


Valuable benefits.


We value and respect the impact our colleagues make every day both inside and outside of work. Our culture promotes colleague well-being through robust benefits programs and resources, professional and personal development opportunities, and fulfillment through meaningful work.


Some benefits included in this role are:

  • Generous time off, including personal and volunteering
  • Tuition reimbursement and professional development opportunities
  • Hybrid OR Remote work
  • Charitable contribution match programs
  • Stock purchase opportunities

To learn more about a career at Marsh Agency, check us out our website or flip through our recruiting brochure.

Follow us on social media to meet our colleagues and see what makes us tick:

·       Instagram

·       Facebook

·       X

·       LinkedIn

Who you are is who we are.

We embrace a culture that celebrates and promotes the many backgrounds, heritages and perspectives of our colleagues and clients. We are always seeking those with ethics, talent, and ambition who are interested in joining our client-focused teams.


Marsh is committed to providing an inclusive work environment. We aim to attract and retain the best, most qualified people and value colleagues of all backgrounds, without regard to age background, disability, ethnic origin, family duties, gender orientation or expression, marital status, nationality, parental status, personal or social status, political affiliation, race, religion and beliefs, sex/gender, sexual orientation or expression, skin color, veteran status (including protected veterans), or any other characteristic protected by applicable law.


Marsh and its affiliates are EOE Minority/Female/Disability/Vet/Sexual Orientation/Gender Identity employers.

If you require an accommodation during the application or interview process, please let us know by contacting reasonableaccommodations@marsh.com.


#LI-Remote


The applicable base salary range for this role is $106,000 to $159,500.


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.

Related jobs

Logo for Lippincott

React Full Stack - Senior Software Engineer

Lippincott · Today

Remote from United States, Arizona (USA), California (USA), Florida (USA), Louisiana (USA), New York (USA), North Carolina (USA), Pennsylvania (USA), Virginia (USA), Washington (USA), Wisconsin (USA) · Full time

Logo for Highmark Health

Software Engineer

Highmark Health · 1 day ago

Remote from United States, Alabama (USA), Alaska (USA), Arizona (USA), Arkansas (USA), California (USA), Colorado (USA), Connecticut (USA), Delaware (USA), District of Columbia (USA), Florida (USA), Georgia (USA), Hawaii (USA), Idaho (USA), Illinois (USA) · Full time

Logo for Highmark Health

Summer 2027 Software Engineer enGen Graduate Intern

Highmark Health · 16 days ago

Remote from United States, Alabama (USA), Alaska (USA), Arizona (USA), Arkansas (USA), California (USA), Colorado (USA), Connecticut (USA), Delaware (USA), District of Columbia (USA), Florida (USA), Georgia (USA), Hawaii (USA), Idaho (USA), Illinois (USA) · Internships

Logo for Cisco

Senior Software Engineer (Remote)

Cisco · 30+ days ago

Remote from United States, Nevada (USA), South Dakota (USA), Pennsylvania (USA), Michigan (USA), Oklahoma (USA), West Virginia (USA), North Dakota (USA), Maryland (USA), Georgia (USA), Virginia (USA), New Hampshire (USA), Delaware (USA), Rhode Island (USA), Oregon (USA) · Full time

Logo for Prescryptive Health, Inc.

Principal Software Engineer

Prescryptive Health, Inc. · 30+ days ago

Remote from Alabama (USA), Alaska (USA), Arizona (USA), Arkansas (USA), California (USA), Colorado (USA), Connecticut (USA), Delaware (USA), District of Columbia (USA), Florida (USA), Georgia (USA), Hawaii (USA), Idaho (USA), Illinois (USA), Indiana (USA) · Full time

See all Software Engineer jobs

Other jobs at Marsh McLennan