Long-Term IoT Electronic Developer

Role Title: Remote ESP32 & Electronics IoT Developer for Long Term Contract Engagement Type: Freelance / Contract (Monthly Retainer) Location: Remote (Work from Home) Compensation: ₹25,000 / month --- About the Role We are looking for a hands-on ESP32 & Electronics IoT Developer to join our distributed engineering team. You will be responsible for writing clean, reliable firmware, interfacing sensors and actuators, and building connected hardware prototypes from the ground up. Key Responsibilities * Firmware Development: Write, test, and debug efficient embedded code for ESP32 microcontrollers using ESP-IDF, Arduino framework, or MicroPython. * Hardware & Sensor Integration: Interface digital/analog sensors, relays, displays, and power modules over standard communication protocols (UART, SPI, I2C, ADC/DMA). * Wireless Connectivity: Implement reliable Wi-Fi, BLE, MQTT, HTTP/REST, or UDP data streaming between edge devices and local/cloud servers. * Prototyping & Troubleshooting: Read schematics/datasheets, assemble breadboard or perfboard test setups, and debug hardware-software edge cases remotely. * Documentation: Maintain clear wiring diagrams, pinout mappings, and firmware setup notes for smooth handoffs. Required Skills & Qualifications * Strong practical experience with **ESP32** (ESP32-WROOM, ESP32-S3, or ESP32-C3) and **C/C++**. * Solid understanding of basic electronics, circuit debugging, voltage levels (3.3V/5V), and power management. * Hands-on familiarity with PlatformIO or VS Code + ESP-IDF workflows and Git version control. * Access to basic lab hardware at home (ESP32 dev boards, multimeter, breadboards, jumper wires, common sensors) for rapid remote testing. * **Nice to have:** Basic PCB layout experience (KiCad / EasyEDA) or familiarity with STM32 microcontrollers.

How to Apply

To filter out automated spam proposals, please include the following in your application: 1. Start your cover letter with the word "FIRMWARE". 2. Share links, GitHub repositories, or short demo videos of **1–2 ESP32/IoT hardware projects** you have personally built. 3. Mention what development boards and testing tools (e.g., logic analyzer, oscilloscope, multimeter) you currently have on your desk.