Senior MERN Developer for AI-Driven Enterprise Apps

Marsh; Ciudad de México; Hybrid; MXN 1,200,000 - 2,000,000; Full time

Job summary

Oliver Wyman in Mexico City seeks a Senior Applications Developer to design, build, and deliver modern enterprise apps using MERN stack and API integrations. You will own solutions from architecture to deployment, focusing on scalable, secure, and maintainable software that improves business processes and user experiences.

In this senior role you’ll orchestrate workflows across systems, explore AI-enabled capabilities, and mentor other engineers, while partnering with product owners and data

Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, Information Systems, or equivalent.
• 5+ years of professional software engineering or application development experience.
• Strong MERN stack experience and API-first architecture.
• Experience with SQL and NoSQL databases and cloud services.
• Proven ability to design scalable, reliable enterprise applications.
• Experience with Git, CI/CD, testing, and Agile practices.
• Knowledge of Python/FastAPI and AI-enabled capabilities is a plus.

Responsibilities

• Lead the design and development of enterprise-grade applications from concept to production.
• Build and maintain full-stack apps using MERN stack and modern front-end patterns.
• Develop responsive, accessible user interfaces with React.
• Design architecture across UI, business logic, workflows, APIs, and cloud services.
• Implement secure REST APIs, microservices, webhooks, and integration services.
• Optimize performance, scalability, reliability, and maintainability.
• Work with SQL and NoSQL databases; design schemas and data access patterns.
• Develop event-driven capabilities and asynchronous processing.
• Evaluate AI, agents, and agentic workflows for business value.
• Collaborate with product owners, analysts, designers, and data teams.

Skills

MERN stack

REST APIs

Git

CI/CD

Docker

Kubernetes

Agile

TypeScript

React

Node.js

Python

FastAPI

English

Education

Bachelor’s degree in Computer Science or related field

Tools

MongoDB

Express.js

React

Node.js

Python

FastAPI

Docker

Kubernetes

Job description

Oliver Wyman in Mexico City seeks a Senior Applications Developer to design, build, and deliver modern enterprise apps using MERN stack and API integrations. You will own solutions from architecture to deployment, focusing on scalable, secure, and maintainable software that improves business processes and user experiences.

In this senior role you’ll orchestrate workflows across systems, explore AI-enabled capabilities, and mentor other engineers, while partnering with product owners and data