Senior MERN Developer (Production Support & Development)

Key Responsibilities

• Design, develop, and maintain scalable web applications using the MERN stack.


• Provide Level 2/Level 3 production support for business-critical applications.


• Analyze, troubleshoot, and resolve production issues within defined SLAs.


• Perform root cause analysis (RCA) and implement preventive measures.


• Develop RESTful APIs and integrate with third-party systems.


• Optimize application performance, security, and scalability.


• Participate in code reviews and ensure adherence to coding standards.


• Work closely with DevOps teams for CI/CD implementation and release management.


• Collaborate with business users, QA teams, and project stakeholders.


• Monitor application health and proactively address potential issues.


• Support deployment activities and release rollouts.

Required Technical Skills MERN Stack

• MongoDB


• Express.js


• React.js


• Node.js

Front-End

• JavaScript (ES6+)


• HTML5, CSS3


• Redux / Context API


• React Hooks

Back-End

• REST APIs


• Microservices Architecture


• Authentication & Authorization (JWT, OAuth)

Database

• Strong MongoDB experience


• Good knowledge of Microsoft SQL Server


• Database design, optimization, stored procedures, and query tuning

DevOps / CI-CD

• Git, GitHub/GitLab/Bitbucket


• Jenkins, Azure DevOps, GitHub Actions, or similar CI/CD tools


• Automated build and deployment pipelines


• Docker knowledge preferred

Cloud (Preferred)

• Azure / AWS exposure


• Application deployment and monitoring

Production Support Experience (Mandatory)

• Overall 8-10 yrs experience and minimum 3+ years of experience in a production support environment.


• Experience in handling:




• Incident Management


• Problem Management


• RCA Documentation


• Defect Resolution


• Production Deployments


• Performance Troubleshooting




• Ability to work on critical tickets and high-priority issues.


• Knowledge of ticketing tools such as ServiceNow, Jira, or Remedy.