Embedded Linux Developer (Zephyr)

Sigma Software

2d

About The Position

We are looking for a Senior Embedded Linux Developer with strong C programming skills and practical experience with Zephyr RTOS and low-level embedded development. You will work on a long-term industrial automation project involving Embedded Linux platforms, ARM-based microcontrollers, device communication, and security-related functionality. The project focuses on the development of embedded software for industrial pump systems and connected embedded devices. The team works on firmware and low-level software components running on Embedded Linux and Zephyr-based platforms, covering device communication, hardware interaction, system integration, and security-related functionality. You will collaborate closely with PMs, QA engineers, DevOps specialists, and embedded developers to build reliable, maintainable, and secure firmware solutions for ARM-based industrial devices.

Requirements

• 5+ years of commercial embedded software development experience using C
• Strong hands-on experience with Embedded Linux development and debugging
• Practical experience with Zephyr RTOS / ZephyrOS or strong RTOS background with readiness to work deeply with Zephyr
• Experience working with STM32, Nordic, or similar ARM-based microcontrollers
• Strong understanding of low-level embedded development concepts, including peripherals, interrupts, memory management, boot flow, and hardware interaction
• Experience designing and implementing embedded software modules, drivers, and firmware components
• Hands-on experience with embedded communication interfaces and protocols such as UART, I2C, SPI, Modbus, CAN, RS-485, or Ethernet
• Experience debugging and troubleshooting software on physical embedded devices
• Understanding of embedded security concepts, including bootloaders, secure firmware updates, firmware signing/encryption, authentication, and secure communication
• Upper-Intermediate or higher English level

Nice To Haves

• Experience with MQTT
• Experience with Profibus or other industrial communication protocols
• Knowledge of FatFS, LittleFS, lwIP, or similar embedded libraries/stacks

Responsibilities

• Design, develop, debug, document, and maintain embedded software components, drivers, and device-level functionality
• Develop firmware solutions for industrial pump systems and embedded devices
• Work within Embedded Linux and Zephyr RTOS environments
• Implement and maintain low-level hardware interaction and communication interfaces
• Analyze technical approaches and provide recommendations to the Customer and project team
• Debug and troubleshoot software issues on real embedded hardware
• Participate in software and hardware integration activities
• Collaborate with PMs, QA engineers, DevOps specialists, and embedded developers throughout the development lifecycle
• Identify and escalate technical risks, blockers, and architectural concerns when necessary

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed