Senior Embedded Developer

Envision Technology Solutions; India; Remote; INR 2,000,000 - 4,000,000; Full time

Job summary

Envision Technology Solutions seeks a Senior Embedded Software Developer with IoT home automation focus. You will design and implement embedded firmware, leveraging FreeRTOS, and integrate TI CC3xxx Wi-Fi modules for secure wireless connectivity.

You will developMQTT/HTTP/TCP-IP based cloud interactions, implement OTA update mechanisms, and ensure cybersecurity compliance while optimizing low-power operation for reliable device performance.

Qualifications

• Bachelor's or master's degree in Electronics, Computer Science, or related field.
• 6+ years of embedded software development experience.
• Experience with FreeRTOS or similar RTOS.
• Strong C/C++ programming for microcontrollers.
• Experience with TI CC3xxx Wi-Fi modules and SDK.
• Exposure to OTA update mechanisms and device provisioning workflows.
• Knowledge of IoT security practices (TLS, WPA2/WPA3).
• Familiarity with low-power design for connected devices.
• Embedded Linux and Flutter experience with networking capability.

Responsibilities

• Design and implement embedded firmware for IoT-enabled home automation devices.
• Develop software using FreeRTOS for scheduling, peripheral interfacing, and resource management.
• Integrate and optimize TI CC3xxx Wi-Fi modules with microcontrollers for secure wireless connectivity.
• Implement IoT communication protocols (MQTT, HTTPS, TCP/IP, CoAP, Modbus/TCP) for cloud/device interactions.
• Work with Wi-Fi SDK, TI drivers, and hardware abstraction layers for module bring-up.
• Develop and validate secure OTA firmware update mechanisms for field devices.
• Collaborate with cross-functional teams (hardware, cloud, mobile app) to ensure seamless end-to-end IoT solution delivery.
• Conduct unit tests, integration tests, and field validation for embedded firmware.
• Ensure cybersecurity compliance (TLS/SSL, WPA3, device authentication) in Wi-Fi communication.
• Optimize low-power modes and memory usage for long-term reliable device operation.

Skills

Embedded Linux

C/C++

FreeRTOS

MQTT

HTTP/HTTPS

TCP/IP

TLS/SSL

Low-power design

OTA updates

UART/SPI/I2C

Wi-Fi modules

Education

Bachelor's / Master's in Electronics or CS

Tools

Flutter

TI CC3xxx SDK

Wi-Fi SDK

TI drivers

Job description

Job Description - Senior Technical Lead / Architect (IoT, Home Automation)

Position Overview

We are looking for a Senior Embedded Software Developer specializing in IoT applications for Home Automation. The candidate must have strong expertise in FreeRTOS-based firmware development and integration of TI CC3xxx Wi-Fi modules. You will play a key role in designing and implementing embedded firmware for smart home devices, ensuring reliable connectivity, security, and seamless integration with cloud platforms.

Key Responsibilities

• Design and implement embedded firmware for IoT-enabled home automation devices
• Develop software using FreeRTOS for scheduling, peripheral interfacing, and resource management.
• Integrate and optimize TI CC3xxx Wi-Fi modules with microcontrollers for secure wireless connectivity.
• Implement and test IoT communication protocols (MQTT, HTTPS, TCP/IP, CoAP, Modbus/TCP) for cloud/device interactions.
• Work with Wi-Fi SDK, TI drivers, and hardware abstraction layers for module bring-up.
• Develop and validate secure OTA (Over-The-Air) firmware update mechanisms for field devices.
• Collaborate with cross-functional teams (hardware, cloud, mobile app) to ensure seamless end-to-end IoT solution delivery.
• Conduct unit tests, integration tests, and field validation for embedded firmware.
• Ensure cybersecurity compliance (TLS/SSL, WPA3, device authentication) in Wi-Fi communication.
• Optimize low-power modes and memory usage for long-term reliable device operation.

Required Skills & Qualifications

• Bachelor s/Master s degree in Electronics, Computer Science, or related field.
• 6+ years of experience in embedded software development.
• Embedded Linux , GUI experience with Flutter having Networking capability.
• Strong proficiency in C/C++ programming for microcontrollers.
• Hands-on experience with FreeRTOS or similar RTOS.
• Deep knowledge of TI CC3xxx Wi-Fi modules (and SDK).
• Experience in UART/SPI/I2C interfaces for Wi-Fi module communication.
• Proficiency in IoT protocols: MQTT, HTTP/HTTPS, TCP/IP.
• Exposure to OTA update mechanisms and device provisioning workflows.
• Familiarity with low-power design techniques for connected devices.
• Knowledge of IoT security practices (secure boot, TLS, WPA2/WPA3).
• Knowledge of triac and Relay firing in Control board software development.