Job Overview
The Senior Applications Developer is a senior technical contributor responsible for designing, developing, and delivering modern enterprise applications that simplify business processes, improve user experiences, and increase operational efficiency.
The role combines strong full-stack application development using the MERN stack — MongoDB, Express.js, React, and Node.js — with workflow engineering, API and system integration, cloud technologies, and emerging agentic AI capabilities.
A key focus of the role will be designing applications that orchestrate work across users, systems, data, APIs, automation, and increasingly AI agents and intelligent services. The Senior Applications Developer will help establish patterns for incorporating generative AI and agentic technologies into enterprise applications where they deliver measurable business value.
Key Responsibilities
- Lead the design and development of enterprise-grade applications from concept through production, supporting business, analytics, automation, and data-driven use cases.
- Design, build,



and maintain full-stack applications using the MERN stack: MongoDB, Express.js, React, Node.js, JavaScript, and TypeScript.
- Develop modern, responsive, accessible, and high-performing user experiences using React and contemporary front-end development patterns.
- Design application architecture spanning user interfaces, business logic, workflows, APIs, integrations, data services, cloud components, and AI-enabled capabilities.
- Design and implement application workflows that coordinate activities across users, business rules, approvals, APIs, data, automated processes, and external systems.
- Build secure, reusable, and well-documented REST APIs, microservices, webhooks, and integration services using Node.js/Express and, where appropriate, Python/FastAPI.
- Design applications for performance, scalability, reliability, resiliency, maintainability, and operational efficiency, identifying bottlenecks an

📌 Oliver Wyman (México)
🏢 Oliver Wyman
📍 México