Firmware Engineer

**🚀 WE ARE HIRING EMBEDDED FIRMWARE ENGINEER (1\+ YOE)** At **SHAREWORK** , we are looking for a talented **Embedded Firmware Engineer** to bring our next-generation IoT products to life! If you are a proactive developer with a solid foundation in RTOS and wireless protocols, we want you on board. 📍 Location: Tan Binh District, Ho Chi Minh City ⏱️ 9AM - 6PM (Mon to Fri) **Job description:** - Program firmware using C/C\+\+ on the ESP-IDF framework (preferred) or Arduino IDE. - Design and optimize application workflows using the FreeRTOS real-time operating system (Multi-tasking, Queue, Semaphore, Mutex). - Integrate and optimize Wi-Fi and Bluetooth (Classic/BLE) protocols, and configure device provisioning. - Implement IoT communication protocols such as MQTT, HTTP/HTTPS, CoAP, and WebSockets to connect devices with Servers/Cloud platforms. - Program interfaces with sensors and functional ICs via standards like UART, SPI, I2C, ADC, PWM, and GPIO. - Build and deploy secure Over-The-Air (OTA) remote firmware update solutions. - Partner with the Hardware team to test, measure circuits, debug, and resolve system-level issues. **Requirements:** **Must have:** - Bachelor’s degree in Electronics and Telecommunications, Computer Science, Embedded Systems, Automation, or related technical fields. - Minimum of 1 year of hands-on experience in microcontroller firmware development, specifically with ESP32 or ESP8266\. - Highly proficient in C/C\+\+ for embedded systems. - Solid understanding of embedded system architecture and FreeRTOS (including multi-threading, tasks, queues, semaphores, and mutexes). - Strong knowledge of computer networks and IoT protocols (Wi-Fi, BLE, MQTT, HTTP/HTTPS, Sockets). - Basic ability to read electronic circuit diagrams (Schematics) to collaborate effectively with the hardware team; ability to read English datasheets and reference manuals. - Proficient with source code management tools like Git (GitHub / GitLab). **Nice to have:** - Experience in Linux programming or developing Gateway applications. - Familiarity with high-level languages like C# or Java for writing PC tools or simple cross-platform applications. - Knowledge of IoT security (TLS/SSL, data encryption). - Japanese skills equivalent to JLPT N3\. **Benefits:** * Salary: Nego, will be reviewed after one year of work * Work in a dynamic, creative environment with young, close colleagues. * 13th-month salary bonus, hot bonus, salary/performance review, ... * Social, health (24/7 health care) \& unemployment insurance; * Participate in Company and Group activities: Team building, travel, healing retreat, ... * Opportunities for development and advancement. Potential candidates please kindly send your CV directly to **maihk@upsharework.com** or **Zalo: 0904 013 272** (Ms. Khanh Mai).