Full Stack Developer - React.js / Node.js / IoT

Infolitz; Ernakulam; On-site; INR 800,000 - 1,500,000; Full time

Job summary

Infolitz is seeking a Full Stack Developer with 3-5 years of hands-on experience in building web apps, APIs, and IoT solutions. You will work across frontend, backend, database, cloud, and device-connected layers to deliver scalable products.

The role involves collaborating with hardware, firmware, mobile, QA, and cloud teams, implementing security and real-time features, and deploying on cloud platforms.

Qualifications

• Hands-on experience in building web applications, backend services, APIs, and IoT applications.
• Experience across frontend, backend, database, cloud, and device-connected layers.
• Exposure to at least one major cloud platform (e.g., AWS).
• Strong implementation of authentication, validation, error handling and logging.

Responsibilities

• Design, develop, test, and maintain scalable web and full-stack applications.
• Build responsive frontend applications using React.js, Next.js, Tailwind CSS, Bootstrap, Material UI, or similar technologies.
• Develop backend services and REST APIs using Node.js and Express.js.
• Design and work with databases such as MongoDB and PostgreSQL.
• Develop and maintain real-time features using WebSocket, Socket.io, MQTT, or similar protocols.
• Integrate frontend applications with REST APIs and third‑party services using Axios.
• Work on IoT applications involving sensor data, MQTT communication, TCP services, and dashboards.
• Deploy and maintain applications on cloud platforms such as AWS, GCP, or Azure.
• Work with Docker-based environments and use Git for version control and release management.
• Troubleshoot application, API, database, connectivity, and deployment issues.
• Collaborate with hardware, firmware, mobile, QA and cloud teams on integrated product development.
• Participate in technical design discussions and contribute to architecture decisions.
• Maintain clear technical documentation for APIs, modules, configurations, and deployments.

Skills

React.js

TypeScript

HTML5

CSS3

Tailwind CSS

Material UI

Ant Design

React Query

API integration

Authentication

Backend error handling

Logging

Tools

Node.js

Express.js

MongoDB

PostgreSQL

WebSocket

Socket.io

MQTT

Axios

AWS

Docker

Git

Job description

Full Stack Developer - React.js / Node.js / IoT

Full Time

About the Role

Infolitz Software Pvt. Ltd. is looking for a Full Stack Developer with3-5 years of hands‑on experience in building web applications, backendservices, APIs, and connected/IoT applications.

This role involves working across frontend, backend, database, cloud,and device-connected application layers.

Job Responsibilities

• Design, develop, test, and maintain scalable web and full-stack applications.
• Build responsive frontend applications using React.js, Next.js, Tailwind CSS, Bootstrap, Material UI, or similar technologies.
• Develop backend services and REST APIs using Node.js and Express.js.
• Design and work with databases such as MongoDB and PostgreSQL.
• Develop and maintain real-time application features using WebSocket, Socket.io, MQTT, or similar protocols.
• Integrate frontend applications with REST APIs and third‑party services using Axios or related libraries.
• Work on IoT and connected-product applications involving sensor/device data, MQTT communication, TCP services, and dashboards.
• Implement authentication, validation, error handling, logging, and application security best practices.
• Deploy and maintain applications on cloud platforms such as AWS, GCP, or Azure.
• Work with Docker-based application environments where required.
• Use Git/GitHub for version control, branching, code reviews, and release management.
• Troubleshoot application, API, database, connectivity, and deployment issues.
• Collaborate with hardware, firmware, mobile, QA, and cloud teams on integrated product development.
• Participate in technical design discussions and contribute to application architecture decisions.
• Maintain clear technical documentation for APIs, modules, configurations, and deployments.

Job Requirements

• React.js
• TypeScript
• HTML5
• CSS3
• Tailwind CSS
• Material UI / Ant Design
• React Query
• Node.js
• Express.js
• API integration
• Authentication and authorization
• Backend error handling and logging

• MongoDB
• Query optimization fundamentals

• MQTT
• WebSocket / Socket.io
• TCP socket communication
• Experience integrating applications with IoT devices or sensor platforms

Candidates should have exposure toat least one major cloud platform:

• AWS

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