Staff/Sr. Staff Engineer, MCU Software
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Before you apply
LocationHeadquarters-San Jose, CA, San Jose, California, United States
SeniorityLead
Experience5–10 yrs
DepartmentSoftware Engineering
Company size51–200 people
PostedMay 29, 2026 · 5mo ago
Verified live3d ago
May no longer be actively hiring
Posted by the company on May 29, 202693% of this company's open roles have been listed for 90+ days
At a glanceSummarised by Seekless from the posting.
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 ESP32 and STM32
Proficiency in C/C+/MicroPython
Proficiency in Wi-Fi APIs, BLE HCI, and Peripheral HAL and Drivers
Substantial experiences of networking stack (Ethernet, TCP/IP suite)
Working experiences with GIT and JIRA
Strong capability in design, debug, trouble-shoot 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
Skills
C
C++
MicroPython
ARM-M
RISC-V
RTOS
UART
SPI
SDIO
I2C
GPIO
PWM
Wi-Fi
BT/BLE
Zigbee
Thread
ESP32
STM32
Wi-Fi APIs
BLE HCI
Peripheral HAL
Ethernet
TCP/IP
GIT
JIRA
MQTT
CoAP
HTTP/HTTPS
JTAG/SWD debuggers
oscilloscope
logic analyzer
protocol analyzers
About InnoPhase IoT
If you are keen to work with a bunch of brilliant people with various backgrounds, if you share the same value of working smart and celebrating successes, if you have enthusiasm for big technology in a small company, if your goals are to learn and experience different aspects of work–not just singing the same song every day, you’ll find your playground at Innophase IoT.
We are looking for people seeking AWESOMENESS! If you’re good at what you do, you can work anywhere. If you’re the best at what you do, come work at Innophase IoT!
About the role
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, bootloader, 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.
Job Requirements:
•
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 ESP32 and STM32
•
Proficiency in C/C+/MicroPython
•
Proficiency in Wi-Fi APIs, BLE HCI, and Peripheral HAL and Drivers.
•
Substantial experiences of networking stack (Ethernet, TCP/IP suite)
•
Working experiences 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.
Nice to Have
•
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.
It is key to unleash the potential in every employee, every team, every leader, and the company herself. We know employees perform best when motivated, appreciated and recognized, and can be themselves. We are committed to building a culture where every voice can be heard, everyone has room for growth and can make meaningful contributions. At the end of the day, we want success not just for the company, but also for everyone who believes in the company, the vision, and the future.