🔍 What we are looking for

The Hardware Team​ at Smartex is committed to revolutionize the textile industry through the development of cutting-edge electronic solutions. We are a diverse and international company with a strong mission to make a positive impact on both our industry and the planet. We are looking for a driven and talented Firmware Engineer to support our Hardware Development Team in the design, testing, validation, and industrialization of electronic circuits for disruptive new products. If you're passionate about embedded systems, hardware integration, and creating efficient, reliable firmware, we’d love to hear from you.

👇 Responsibilities

• Firmware Development: Design, develop, and implement firmware for industry-specific hardware solutions, ensuring performance, reliability, and scalability.
• Test Automation: Plan and develop software for test jigs and auxiliary devices such as IMUs, temperature, and humidity sensors, ensuring comprehensive testing coverage.
• Troubleshooting & Validation: Conduct thorough testing on produced products, troubleshoot any defects, and contribute to the validation of new hardware solutions.
• Cross-functional Collaboration: Work closely with the software team to integrate APIs and ensure seamless operation within the overall product architecture .
• Reporting & Documentation: Create and maintain clear and up-to-date documentation for all firmware developed, supporting long-term maintainability and knowledge sharing.
• Innovation & R&D: Contribute to testing and evaluating new technologies that may be incorporated into future product lines

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🛠 ️ Skills & Experience

• 5+ years of experience as a Firmware Engineer or a similar role.
• Master’s degree i n Electronics, Computer Engineering, or a related field.
• Strong proficiency in C programming for embedded systems – must have.
• Solid understanding of Linux environments and embedded system s.
• Proven experience in RTOS (e.g., FreeRTOS, Zephy r ) and bare-metal development.
• Familiarity with C++ or Rust for scripting or supplementary development – nice to ha v e.
• Basic knowledge of Python and Bash scripting.
• Familiarity with microcontrollers - especially STM32.
• Familiarity with secure boot, encryption and firmware update mechanisms.
• Experience with version control tools (Git).
• Knowledge of best practices in firmware/software development.
• Experience with electronic device development processe s such as testing, schematic capture, PCB layout, and prototyping (preferred).
• Excellent verbal and writte n communication skills in English & Portuguese.

🎁 Our Pe rks

• Career Progression
• Employee Stock Options
• Diverse and Talented Team
• Fast-Paced Environment
• Impact on the World
• Remote Work
• Work with Senior Management