Компанія в Торонто, United Chargers шукає розробника прошивок для ESP32. Підтвердження диплому не потрібно, потрібен тільки досвід. Знання англійськоі мови достатньо середнього, є і україно-російсько мовні співробітники, і англомовні.
Опис вакансії:
Please find the requirements for the position “Embedded Firmware Engineer” which supposed to enhance our stability and support.
1 ESP32 Proficiency:
• Significant experience with the ESP32 modules.
• Firmware development for ESP32 in C/C++ languages using ESP IDF 4.x and higher. (Mostly C++).
• Debugging via UART.
• Deep understanding of the following interfaces: UART, SPI.
• Proficiency with SPIFFS , OTA , HTTP servers.
• Experience with the drivers development or the porting of the existent drivers onto/from different platforms.
2 FreeRTOS Proficiency:
• Semaphores
• Queues
• Event Groups
• Priorities
• Multithreading
• Critical sections
3 WebSocket:
• Good understanding of the WebSocket performance
• Connection to the external servers as a client.
• As a plus: an experience with the building of the own WebSocket server.
4 JSON knowledge. Ability to parse JSON packages into variables and reverse task – creating the JASON packages based on the raw data. As a plus: experience with the embedded cJSON library in ESP IDF.
5 Experience with the OCPP protocol or any high-level data transfer protocol.
6 Good understanding of the physical layer of the ESP32 peripherals.
7 As a plus – portfolio with some finished projects based on ESP32 IDF environment.
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