AM - MEAN/MERN Stack Developer with AI - Level D1

Marsh McLennan is hiring an AM - MEAN/MERN Stack Developer with AI - Level D1 in Gurugram, India. Level rates it ; you can apply on Level.

Level's read on this job

Uses AI ●●○○ is how Level rates this role: an ordinary role that requires AI tools.
Tools and skills the posting cites include OpenAI, Gemini and Copilot.
Level files it as a senior role.
Level lists 631 other open roles at Marsh McLennan.
The role was posted in the last few days.

AI in this role

Full-stack developer building web applications while utilizing AI coding assistants like GitHub Copilot and Gemini Code Assist.

openaigeminicopilotcodexangularreactnodejsexpressjsmongodbgithub-copilotgoogle-gemini-code-assistopenai-codex+3

full-stack-developmentjavascripttypescriptrest-apiscicd

Company:

Marsh Corporate

Description:

Role: Application Development – Senior Principal Engineer.

What can you expect?

Being a part of a global team of professionals
An opportunity to develop your career and skills within the wider range of products and technologies.
Interact and contribute to team goals through global and regional colleague network.
Contribute to customer growth and satisfaction by delivering quality solutions for both internal and external products.
An opportunity to learn and grow being a part of a global organisation.

We will count on you to:

Collaborate with all the stakeholders to develop high quality deliverables across all phases of a project, from participating in the requirements, design and build phases; delivering high-quality deliverables, through to user acceptance testing.
Troubleshoot/propose/implement viable solutions to given problems
Work a flexible schedule to accommodate off-hours conference calls or work. Applicants should be flexible working in shifts to have required overlap with US teams.
Be the escalation point for production software issues
Self–Starter, able to work independently or within a multi-faceted team
Manage risk identification and risk mitigation strategies associated with the architecture
End to end ownership of assigned apps, and drive new application transition as identified from time to time
Create technical coding standards, best practices, identify and execute automations
Keep all stakeholders (internal external) engaged in the project, aligned on expected outcomes and informed about what is occurring throughout project
Work with diverse teams, QA, BA, DBAs, Server Admins, Cloud management, etc. for project and team needs.

What you need to have:

Hands-on experience in
- Angular/ReactJs, Node JS, ExpresJS, MongoDB, Unit testing framework (mocha/jasmine/karma etc.), JavaScript/jQuery, Typescript, REST APIs, HTML, CSS, Deployment & Hosting
Exposure to AI assisting tools like: GitHub Copilot, Google Gemini Code Assist, OpenAI CodeX, etc.
Tools – VS Code, MongoDB Compass, Git
Exposure to Azure DevOps Git Actions CICD process,
Exposure to Azure DevOps/Jira/any other known WIM Tool
Experience in working with Service Now/ any other ticketing tool.
Great verbal and written communication skills
Integrity and attention to detail
Quick Learner with great aptitude
Openness to grab new tech stack (if required)
Exposure in initiating, planning, tracking, monitoring & controlling and closure of projects using SDLC models like Agile (Scrum/Kanban/Scrumban), Iterative

What makes you stand out:

Exposure to other tools/technologies like Apigee, Python etc.
Exposure to .NET Core, Web Services/APIs, Windows Services, ASP.NET, MVC, Razor/Blazor engine, RDBMS (Oracle/MS SQL Server/PostgreSQL)
IDE – VS Code, Visual Studio
Exposure to cloud infrastructure and deployment processes
More importantly an eagerness to learn and deliver new challenges.
Any process / technology certifications.

Marsh (NYSE: MRSH) is a global leader in risk, reinsurance and capital, people and investments, and management consulting, advising clients in 130 countries. With annual revenue of over $27 billion and more than 95,000 colleagues, Marsh helps build the confidence to thrive through the power of perspective. For more information, visit marsh.com, or follow us on LinkedIn and X.

Marsh is committed to embracing a diverse, inclusive and flexible work environment. We aim to attract and retain the best people and embrace diversity of age, background, caste, disability, ethnic origin, family duties, gender orientation or expression, gender reassignment, marital status, nationality, parental status, personal or social status, political affiliation, race, religion and beliefs, sex/gender, sexual orientation or expression, skin color, or any other characteristic protected by applicable law.

Marsh is committed to hybrid work, which includes the flexibility of working remotely and the collaboration, connections and professional development benefits of working together in the office. All Marsh colleagues are expected to be in their local office or working onsite with clients at least three days per week. Office-based teams will identify at least one “anchor day” per week on which their full team will be together in person.

How we rate this

AM - MEAN/MERN Stack Developer with AI - Level D1 at Marsh McLennan rates 45 out of 100 for how much of the daily work is AI. That makes it Uses AI (AI Level 2 of 4). The level is about AI in the job, not seniority.

Classification

Uses AI. An ordinary role that requires AI tools.

●●●● Builds AI80 to 100
●●●○ Works on AI60 to 79
●●○○ Uses AI40 to 59
●○○○ Little AI0 to 39

Levels come from how often the tools, models and workflows of the role are named in the posting itself. Open the description and count.

Key facts

AM - MEAN/MERN Stack Developer with AI - Level D1 is an open job at Marsh McLennan.
Level rates this role AI Level 2 of 4: Uses AI.
The role is based in Gurugram - DLF Building.
The job was posted on October 19, 2026.
Seniority: senior.
Applications are handled by Marsh McLennan. Apply on Marsh McLennan

Prepare for this job

Built from this posting and from similar jobs on Level.

Skills and AI tools this role asks for

Full Stack DevelopmentJavaScriptTypeScriptRest ApisCicdOpenAIGeminiCopilot

Questions you could be asked

Tell me about a project where full stack development was part of your work. What did you do?
Tell me about a project where javascript was part of your work. What did you do?
Tell me about a project where typescript was part of your work. What did you do?
Tell me about a project where rest apis was part of your work. What did you do?
Tell me about a project where cicd was part of your work. What did you do?

Adapt your resume

List these exact terms on your resume: Full Stack Development, JavaScript, TypeScript, Rest Apis, and Cicd. An applicant tracking system matches the wording, not the idea.
Attach one line of real, concrete experience to at least one of them. A tool named with nothing behind it rarely survives a human read.
Put the AI tool in a bullet point about what you did, not just in a skills list. This role treats it as a required part of the job.

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