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

Infolitz Software Private Limited; Ernakulam; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

Infolitz Software Pvt. Ltd. is seeking a skilled Full Stack Developer with 3–5 years of hands-on experience to build web applications, backend services, APIs, and IoT integrations.

You will work across frontend, backend, database, cloud, and device‑connected layers using React.js, Node.js, Express.js, MongoDB, JavaScript, and TypeScript. The role emphasizes scalable design, real‑time features, cloud deployments, and seamless API integrations.

Qualifications

• Senior hands-on experience with full‑stack web apps and APIs.
• Strong proficiency in React.js, Node.js, Express.js, MongoDB and TypeScript.
• Exposure to cloud deployment and IoT integrations is a plus.

Responsibilities

• Design, develop, test, and maintain scalable web and full‑stack applications.
• Build responsive frontend apps using React.js, TypeScript, and CSS frameworks.
• Develop backend services and REST APIs with Node.js and Express.js.
• Work with MongoDB and PostgreSQL, and implement real‑time features with WebSocket/Socket.io.
• Integrate frontend with REST APIs and third‑party services; deploy to cloud platforms.
• Collaborate with hardware, firmware, QA, and cloud teams on product development.

Skills

React.js

Node.js

Express.js

MongoDB

TypeScript

REST API development

WebSocket / Socket.io

MQTT

Cloud deployment

Docker

Git

AWS/GCP/Azure

Tools

Docker

GitHub

Socket.io

REST API tooling

Job description

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. The ideal candidate should have strong experience in React.js,Node.js, Express.js, MongoDB, JavaScript, and TypeScript, along withpractical exposure to cloud deployment, real‑time communication, andapplication integrations. This role involves working across frontend, backend, database, cloud,and device‑connected application layers.

Frontend

• React.js
• JavaScript
• TypeScript
• HTML5
• CSS3
• Tailwind CSS
• Bootstrap
• Material UI / Ant Design
• React Query
• Redux Toolkit
• Axios

Backend

• Node.js
• Express.js
• REST API development
• API integration
• Authentication and authorization
• Backend error handling and logging

Database

• MongoDB
• PostgreSQL
• Database schema/design understanding
• Query optimization fundamentals

Real‑Time & IoTTechnologies

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

Cloud & DevOps Skills

Candidates should have exposure toat least one major cloud platform:

• AWS
• Google Cloud Platform
• Microsoft Azure

Key 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.