Software Engineer Jobs in Tucson, AZ

Embedded Software Engineer

Location: Tucson, AZ

Department: Engineering

Reports To: Embedded Systems Lead / Engineering Manager

Employment Type: Full-Time

Position Summary

We are seeking a motivated Embedded Software Engineer with 1–5 years of professional experience developing firmware for embedded systems. The ideal candidate has hands-on experience with bare-metal programming, RTOS-based applications, and Python scripting for development, testing, and automation. This role involves designing, implementing, debugging, and validating embedded software for microcontroller-based products throughout the product lifecycle.

Key Responsibilities

• Design, develop, test, and maintain embedded firmware for microcontroller-based systems.
• Implement software solutions using both bare-metal and RTOS-based architectures.
• Develop device drivers and interfaces for peripherals such as SPI, I2C, UART, CAN, USB, ADC, PWM, and GPIO.
• Participate in firmware architecture, code reviews, and technical design discussions.
• Debug software and hardware integration issues using oscilloscopes, logic analyzers, JTAG/SWD debuggers, and other development tools.
• Develop Python scripts and tools for test automation, manufacturing support, data analysis, and development workflows.
• Create and maintain technical documentation, including software design specifications, test plans, and user documentation.
• Collaborate with hardware, systems, and test engineers to ensure successful product integration and validation.
• Support verification, validation, and troubleshooting activities during development and production.

Required Qualifications

• Bachelor’s degree in Electrical Engineering, Software Engineering, Computer Science, or a related technical discipline.
• 1–5 years of professional experience developing embedded software or firmware.
• Proficiency in C programming for embedded systems.
• Experience with Real-Time Operating Systems (RTOS) such as FreeRTOS, Zephyr, or similar. (or familiar with operating system concepts such as critical section, and schedulers)
• Experience developing bare-metal firmware for microcontroller-based systems.
• Familiarity with Python for scripting, automation, testing, or data analysis.
• Understanding of embedded system fundamentals, including:
• Interrupts and exception handling
• Timers and scheduling
• Memory management
• Communication interfaces and protocols
• Experience using version control systems such as Git, GitHub or GitLab.
• Strong analytical, debugging, and problem-solving skills.

Preferred Qualifications

• Experience with ST microcontrollers.
• Familiarity with Linux environments (debian-based preferred).
• Knowledge of communication protocols such as CAN, Ethernet, BLE, or MQTT.
• Experience developing automated test systems or hardware-in-the-loop (HIL) test environments.
• Familiarity with bootloaders, firmware update mechanisms, and secure embedded development practices.

Technical Skills Programming Languages

• C (required)
• C++ (preferred)
• Python (required)

Embedded Platforms

• ST or similar microcontroller architectures
• Nordic communications modules
• MCU-based embedded systems

Operating Systems

• FreeRTOS
• Zephyr
• Similar RTOS platforms

Tools

• Git
• JTAG/SWD Debuggers
• Oscilloscopes (preferred)
• Logic Analyzers (preferred)

Communication Protocols

• UART
• SPI
• I2C
• CAN
• USB

Desired Attributes

• Strong attention to detail and commitment to software quality.
• Ability to work independently while collaborating effectively across multidisciplinary teams.
• Eagerness to learn new technologies and expand technical expertise.
• Excellent written and verbal communication skills.
• Self-motivated with a proactive approach to problem solving.

Compensation & Benefits

Salary: DOQ

Benefits

• Health, dental, and vision insurance
• Paid time off and company holidays
• Retirement savings plan
• Professional development opportunities
• Flexible work arrangements (where applicable)

Pay: $90,000.00 - $120,000.00 per year

Work Location: In person