Senior MERN Stack Engineer for Scalable Web Apps

Novelus; Colombia; On-site; COP 42,000,000 - 85,000,000; Full time

Job summary

Novelus is seeking a Senior MERN stack developer to design, build, and maintain production-grade web applications. You will own full-stack features, implement scalable RESTful APIs with Node.js/Express, and craft responsive React components with strong TypeScript typing.

You’ll optimize MongoDB data models, collaborate with product/design and engineering, and contribute to secure, tested code within an Agile environment. Familiarity with Azure DevOps and CI/CD pipelines is a plus.

Qualifications

• Proven experience building production web applications using the MERN stack (MongoDB, Express.js, React, Node.js).
• Strong RESTful API design with Node.js + Express.js.
• React skills with hooks, component architecture, and state management.
• TypeScript proficiency in React/Node projects.
• Experience integrating MongoDB schemas, queries, and indexing.
• CI/CD experience, especially Azure DevOps YAML pipelines.
• Troubleshooting and debugging across frontend, backend, and DB.
• Security patterns including JWT/OAuth/OIDC and secure APIs.
• Git and collaborative workflows (PRs, reviews, branching).
• Cloud fundamentals with Azure for deploying web services.
• Agile, cross-functional team collaboration and ownership.

Responsibilities

• Design, develop, and maintain full-stack web applications using the MERN stack.
• Build and maintain scalable, secure RESTful APIs and backend services.
• Develop responsive, reusable UI components in React with a focus on usability.
• Optimize MongoDB data models, indexes, and queries for performance.
• Collaborate with product managers, designers, and engineers to translate requirements into solutions.
• Ensure high-quality deliverables through testing, code reviews, performance tuning, and security best practices.
• Integrate third-party APIs and internal services; troubleshoot across the stack (frontend, backend, DB, CI/CD).
• Contribute to documentation and knowledge sharing; participate in Agile ceremonies.

Skills

MERN stack

RESTful APIs

React with hooks

TypeScript

Git workflows

Agile collaboration

Troubleshooting

Tools

Node.js

Express.js

React

MongoDB

Azure DevOps

ADO YAML

Docker

CI/CD pipelines

Git

Next.js

Redux

AWS/GCP

Azure cloud

Job description

Novelus is seeking a Senior MERN stack developer to design, build, and maintain production-grade web applications. You will own full-stack features, implement scalable RESTful APIs with Node.js/Express, and craft responsive React components with strong TypeScript typing.

You’ll optimize MongoDB data models, collaborate with product/design and engineering, and contribute to secure, tested code within an Agile environment. Familiarity with Azure DevOps and CI/CD pipelines is a plus.