Firmware Developer - F/M/X (Defense)

TL;DR

Firmware Developer (Embedded Defense): Design, implement, and maintain low-level embedded software for microcontroller-based systems with an accent on real-time control and signal processing in resource-constrained environments. Focus on bare-metal and RTOS-based firmware, interrupt-driven drivers, DMA data handling, and compliance with defense-grade standards.

Location: Luxembourg

Company

hirify.global is an independent technology consulting firm with 7,600 people across 60+ countries, focusing on Information System & Digital, Telecom, Life Sciences, and Engineering.

What you will do

• Implement firmware from system specifications, adapting and integrating existing software.
• Develop bare-metal and RTOS-based firmware including bootloaders, real-time control, state machines, and signal processing.
• Design interrupt-driven drivers and DMA-based data handling on ARM microcontrollers.
• Participate in SITL and HIL/HITL testing, validation, debugging with lab equipment.
• Contribute to code reviews and maintain Git workflows.
• Ensure compliance with safety-critical documentation standards.

Requirements

• Fluent English communication skills.
• Bachelor’s in Electronic Engineering, Computer Science, or related.
• Minimum 5 years in embedded software/firmware development.
• Strong C/C++; ARM assembly a plus.
• Hands-on with ARM microcontrollers (e.g., STM32), bare-metal/RTOS.
• Interrupt-driven drivers, DMA transfers, protocols (I2C, SPI, UART, CAN).
• Git and modern workflows; collaboration with hardware engineers.

Nice to have

• High-performance platforms (e.g., NVIDIA Orin).
• Deterministic scheduling, advanced DMA, safety standards (MISRA C).
• UAV/robotics (PX4, ArduPilot, MAVLink).
• Secure boot, cryptography, EMC/EMI, FPGA/SDR, HIL automation.

Culture & Benefits

• International community of 110+ nationalities.
• Trust-based environment with internal growth opportunities.
• Robust training via internal Academy with 250+ modules.
• Vibrant workplace with events like afterworks and team buildings.
• Sustainability focus through WeCare Together program for social/environmental impact.

Hiring process

• Brief call to discuss motivations and fit.
• 3 interviews average: with line manager and team on experience, skills, role, and company.
• Possible case study: technical assessment, role play, or problem-solving.