Job Description

MERN Stack Developer (CRM, Chatbot & WhatsApp API Development)

Location:

Newtown, Kolkata

Job Type:

Full-Time (Work from Office)

Salary:

?12,000 - ?18,000 per month

Working Hours:

Monday to Friday: 10:00 AM - 7:00 PM Saturday: 10:00 AM - 3:00 PM

We are hiring a passionate

MERN Stack Developer

who has hands-on experience in developing

CRM systems, Chatbots, and WhatsApp API integrations.

The ideal candidate must have strong knowledge of

React.js, Node.js, Express, Next.js, and MongoDB

, with the ability to build scalable and efficient web applications.

Key Responsibilities

Design, develop, and maintain CRM and Chatbot-based web applications. Integrate and manage

WhatsApp API / Twilio API

for communication automation. Build responsive UI dashboards using

React.js / Next.js

. Develop real-time chat features using

Socket.io or WebSocket

. Manage and optimize

MongoDB

for storing chats, leads, and CRM data. Ensure code quality, performance, and scalability of applications. Collaborate with design and backend teams for seamless development. Troubleshoot, debug, and upgrade existing systems.

Required Skills

Proficient in

React.js, Node.js, Express.js, Next.js, and MongoDB

Experience with

Chatbot and API integrations (Twilio / WhatsApp Cloud API)

Knowledge of

Socket.io or WebSocket

for real-time messaging Understanding of RESTful API development Strong problem-solving and teamwork skills

Perks & Benefits

Fixed working hours (No night shifts) Friendly and growing tech team Opportunity to work on real-time communication and CRM projects
Job Type: Full-time

Pay: ₹12,000.00 - ₹18,000.00 per month

Work Location: In person