Garana S.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

Electronics Embedded System Engineer having more than 5 years of experience in the following areas. ​Wireless IoT & Connectivity: ESP32 (ESP-IDF, Matter, AWS IoT), Nordic nRF52/nRF53 (BLE, Zigbee, Thread), LoRa/LoRaWAN. Power Electronic : Designed and developed multiple AC-DC , DC- DC Inverters for various clients for EVs and Solar industries . ​Industrial Control & RTOS: STM32 / NXP with deterministic FreeRTOS or Zephyr multitasking, CAN bus, and Modbus integration. ​Board Bring-Up & Custom Drivers: Writing bare-metal or HAL drivers for specialized sensors, motor controllers, or displays. ​Edge AI / TinyML: Sensor data inference using TensorFlow Lite for Microcontrollers on Cortex-M MCUs.