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Sr. Staff Engineer, MCU Software
Job in
San Jose, Santa Clara County, California, 95199, USA
Listed on 2026-06-21
Listing for:
InnoPhase IoT, Inc.
Full Time
position Listed on 2026-06-21
Job specializations:
-
Software Development
Embedded Software Engineer, Software Engineer, Embedded Systems/ Firmware/ IoT, C++ Developer
Job Description & How to Apply Below
We are seeking an MCU Software Engineer to design, develop, debug, and optimize embedded software for microcontroller-based systems. The engineer will work closely with hardware, system, firmware and application teams to deliver reliable real-time embedded solutions for wireless IoT devices and products.
Key Responsibilities- Develop embedded software for Wireless IoT based platforms.
- Develop ARM-M series and RSIC-V RTOS-based platform software, middleware, and APIs to various user applications.
- Triage and debug hardware / firmware / software / application integration issues.
- Implement and optimize real-time networking software stacks.
- Work with peripherals such as UART, SPI, SDIO, I2C, GPIO, PWM, etc.
- Work with flash, memory, boot loader, crypto lib subsystems.
- Work with Wi-Fi, BT/BLE, Zigbee/Thread wireless subsystems.
- Collaborate with worldwide team in delivering high quality BSP and SDK.
- Assist release management for BSP and SDK release.
- BS or MS in Computer Engineering or equivalent with 5 - 10 years’ experience in embedded software development.
- MCU software development and integration experiences on devices such as ESP
32 and STM
32 - Proficiency in C/C+/Micro Python
- Proficiency in Wi-Fi APIs, BLE HCI, and Peripheral HAL and Drivers.
- Substantial experiences of networking stack (Ethernet, TCP/IP suite)
- Working experience s with GIT and JIRA
- Strong capability in design, debug, trouble-shot independently and with others.
- Excellent written and oral interpersonal communication and documentation skills.
- Eager to learn, grow and contribute in a diverse and fast‑paced team environment.
- Good knowledge on Wireless protocol (Wi-Fi, BT/BLE, and Zigbee / Thread) and IoT application layer protocol (MQTT, CoAP, and HTTP/HTTPS)
- Good knowledge on Agile Software Development Process such as Scrum
- Experiences with JTAG/SWD debuggers, oscilloscope, logic analyzer, protocol analyzers.
- Exposure to system test, troubleshooting, and root‑cause analysis of Wireless IoT product.
- Knowledge of WFA/Regulatory/PSA certification is a plus.
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