Key Responsibilities

* Develop and maintain applications and services using Node.js / JavaScript.

* Build solutions integrating Raspberry Pi, sensors, controllers, and other hardware.

* Work with MQTT, Modbus RTU/TCP, TCP/IP, HTTP/HTTPS, WebSockets, and serial communication.

* Develop APIs and device communication services.

* Work with Linux/Raspberry Pi OS, GPIO, UART/RS-485, USB, I2C/SPI, etc.

* Troubleshoot software, hardware interfaces, networking, and device communication issues.

* Provide technical support to on-site hardware engineers during installation, commissioning, testing, and troubleshooting.

* Provide technical support to customers using our products, including remote troubleshooting and issue resolution.

* Analyze logs and field issues, identify root causes, and coordinate with hardware/firmware teams for fixes.

* Document technical solutions, configurations, and troubleshooting procedures.

Required Skills

* Strong hands-on experience with Node.js and JavaScript.

* Good understanding of networking fundamentals and troubleshooting.

* Hands-on experience with Raspberry Pi and Linux.





* Strong debugging and problem-solving skills.

* Experience with Git, REST APIs, asynchronous programming.

Preferred Skills

* MQTT — brokers, topics, QoS, publishers/subscribers.

* Modbus RTU / Modbus TCP.

* RS-485 / serial communication.

* Experience with PLCs, industrial devices, sensors, IoT gateways, or automation systems.

* Docker, databases, cloud/IoT platforms, and Wireshark are a plus.

Qualifications

* Degree/Diploma in Computer Science, Electronics, Electrical Engineering, Embedded Systems, or related field.

* Freshers or 1–5 years of relevant experience preferred.

* Strong communication skills and willingness to work closely with customers and field/hardware teams.

* Ideal candidate: Someone who can work across Node.js + Linux + Raspberry Pi + Networking + MQTT/Modbus + Hardware, and is comfortable troubleshooting real-world product issues.

Job Type: Full time

Pay: ₹20,000.00 - ₹30,000.00 per month

Work Location: In person

📌 Node.js / IoT Developer (India)
🏢 Dalnex
📍 India