Mandatory Skills
Solid programming in Embedded C
Positive understanding of C++
Embedded Linux
RTOS (FreeRTOS/Zephyr)
Device driver development
Communication protocols
Git
Software architecture
Multithreading/Multitasking
Strong debugging
Agile methodology

IoT & Connectivity Skills
BLE
Zigbee
MQTT
TCP/IP
Wi-Fi
Gateway architecture
Device provisioning
Device onboarding
OTA firmware updates
Cloud connectivity
End-to-end IoT product development

Security Knowledge
Secure Boot
Secure Firmware Update
TLS/SSL
Certificate management
Device authentication
Encryption
Authentication & Authorization
Key management

Cloud Exposure
AWS IoT Core / Azure IoT Hub / equivalent
MQTT broker integration
REST APIs
Device Shadow / Digital Twin
Cloud provisioning
Telemetry
Remote diagnostics
Cloud command execution

Preferred Skills
Matter
Thread
BLE Mesh
Docker
Python
Shell scripting
Wireshark
Bootloader development

Good to Have
CI/CD




Static code analysis
Unit Test framework

Tools
Git
Jira
Confluence
VS Code
GDB
CMake
GCC
Wireshark
Logic Analyzer
Oscilloscope

Soft Skills
Ownership mindset
Problem-solving
Communication
Cross-functional collaboration
Ability to work independently

Robust debugging mindset

Roles & Responsibilities
Design embedded firmware.
Develop BLE and Zigbee applications.
Implement secure device-cloud communication.
Develop MQTT modules.
Implement OTA firmware updates.
Optimize firmware performance.
Debug complex embedded issues.
Participate in architecture discussions.
Perform code reviews.
Support product certification and own the product lifecycle.

Bachelor's or Master's degree in Electronics, Computer Science, Electrical Engineering or related discipline.

📌 Senior Engineer Embedded Junior & Mid Level Thane (India)
🏢 Legrand Group
📍 India