Embedded Systems Developer (ESP32 / STM32 / C++) — Ongoing IoT Projects

About the Role: We are seeking a skilled Embedded Systems Developer (middle+) on an ongoing hourly basis. You will contribute to a variety of connected IoT devices — from industrial automation systems to smart sensors and wearables. We have a steady pipeline of similar projects, so we are looking to build a long-term relationship with a dependable hardware/firmware engineer. Requirements: - Solid experience with ESP32, STM32, and/or ARM platforms; - Proficiency in C and C++ programming languages; - Experience working with microcontroller peripherals (I2C, UART, SPI, GPIO); - Familiarity with Linux, FreeRTOS, or other RTOS environments. Good to Have: - Experience with BLE (Bluetooth Low Energy); - Hands-on skills with soldering and measuring equipment; - Basic Python knowledge for scripting or automation; - Understanding of networking protocols (TCP/IP, MQTT, etc.). What We Offer: - Multiple IoT projects with real hardware and global users; - Direct Communication: Direct syncs with international clients and engineering teams; - Professional Growth: Exposure to cutting-edge technology and new hardware architectures; - Flexibility: Hourly format with flexible working hours. Language Requirements: English: Intermediate (B1) or higher.