Embedded Software Engineer (C++ / RTOS / Firmware) | Contract | Bothell, WA (Onsite/Hybrid)

Embedded Software Engineer (C++ / RTOS / Firmware)

Location: Bothell, WA (Onsite/Hybrid)
Duration: Contract

Job Summary:

We are seeking an experienced Embedded Software Engineer with strong expertise in C++ development and RTOS-based systems. The ideal candidate will be responsible for designing, developing, and testing embedded software solutions for multicore processor-based systems. This role requires hands-on experience with firmware development, hardware interfaces, and modern development practices.

Key Responsibilities:

• Design and develop embedded software solutions, platforms, and reference architectures
• Perform coding, unit testing, and integration testing for multicore embedded systems
• Define system architecture, subsystems, and interface interactions
• Validate design assumptions and evaluate technical alternatives
• Develop and maintain device drivers and peripheral interfaces
• Conduct code reviews and ensure adherence to best practices
• Collaborate within Agile teams and contribute to SDLC processes

Required Qualifications:

• Bachelor s degree in Software Engineering, Electrical Engineering, Computer Engineering, or equivalent
• 7+ years of experience in embedded software/firmware development
• Strong proficiency in C++ and Object-Oriented Programming (OOP)
• Hands-on experience with RTOS-based development (Azure RTOS / ThreadX preferred)
• Experience with hierarchical state machines
• Strong knowledge of unit testing methodologies (Google Test preferred)
• Experience working with microcontrollers (STM architecture preferred)

Technical Skills:

• Embedded systems concepts: Memory Management, Scheduling, Interrupts, Multithreading
• Peripheral interfaces: SPI, I2C, PWM, ADC, DAC, eMMC, USB, UART
• Communication & Networking: TCP/IP, UDP, Bluetooth, NFC, Ethernet, Serial protocols
• Tools & Technologies: GitHub, CI/CD pipelines, VS Code, Docker Dev Containers
• Strong understanding of Design Patterns and Code Review practices

Preferred Qualifications:

• Experience in Agile/Scrum environments (SAFe preferred)
• Prior experience in medical devices or regulated industries
• Familiarity with standards such as IEC 62304, FDA guidelines

Nice to Have:

• Experience working on highly reliable or safety-critical systems
• Exposure to end-to-end product development lifecycle

Why Join Us?

• Opportunity to work on cutting-edge embedded systems
• Collaborative and innovative engineering environment
• Long-term contract potential