Mandatory Skills
Strong programming in Embedded C
Good understanding of C++
Embedded Linux
RTOS (FreeRTOS/Zephyr)
Device driver development
Communication protocols
Git
Software architecture
Multithreading/Multitasking
Robust 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




Valuable 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

Solid 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 Thane
🏢 Legrand Group
📍 Thane