Software Engineer, Firmware

🚀 CUJO AI® is a leader in artificial intelligence solutions for network service providers. We use machine learning and real-world data to develop cybersecurity, device intelligence , and parental control solutions that make internet connections safer for millions of homes.

ABOUT THE ROLE:

We are looking for an experienced Software Engineer with a background in native code Linux, network and kernel development to join our high performing fast growing engineering organization. As a firmware engineer at CUJO AI you will work in a team that builds home security solutions for operator home routers (CPE-devices), build test automation systems and ports the software to different Linux based router platforms.

IN THIS ROLE, YOU WILL:

• Port CUJO AI’s solutions on different Linux-based CPE platforms.
• Build highly optimized software for Linux-based CPE devices.
• Develop network security, parental control and network device intelligence solutions.
• Build automation for functional, performance and resilience testing.
• Assist with test lab infrastructure planning and implementation.
  
  

Requirements:

WHAT WE'RE LOOKING FOR:

Must Have:

• Minimum 5 years of experience in native code Linux development.
• Detailed knowledge of Linux operating systems architecture.
• Knowledge of building C applications in Linux.
• Excellent knowledge of IP-based protocols.
• Linux network stack knowledge.
• Knowledge of building POSIX-compliant shell scripts.
• Proficiency in working with Git and its operations (commit, rebase, submodules).
  
  

Good to Have:

• Knowledge of embedded Linux build systems: OpenWRT, Yocto.
• Expertise in building firewalls or protocol clients.
• Familiarity with developing software for embedded systems.
• Proven track record of build solutions with high stability, performance, security, maintainability, and scalability.
  
  

Bonus:

• Agile software development process experience.
• Experience in systems monitoring, performance optimization, root cause analysis, and advanced troubleshooting.
• Experience with CI/CD, TDD, and test automation frameworks.
  
  

WHAT WILL MAKE YOU STAND OUT:

• Good written and verbal communication in English.
• Ability to search for answers, learn quickly, and communicate effectively.
• Skill in explaining complex topics in simple ways as well as providing reliable information.
• A team player who takes pride in producing superior results while contributing to a high-caliber team.
  
  

WHY JOIN CUJO AI?

• Flexible Work – Hybrid or fully remote options based on your location.
• Team Gatherings – Annual company events and team activities.
• Career Growth – Training bonuses for AWS certifications and other learning opportunities.
• Performance Bonuses – Company-wide annual bonus program.
• Referral Rewards – Earn up to €1,000 for referring new hires.
  
  

At CUJO AI , we value innovation, collaboration, and continuous improvement. Join us and work on technology that makes the internet safer!

📅 Apply by November 23, 2025 – but don’t wait! We’ll hire as soon as we find the right person.

📩 Apply via our recruitment portal. Questions? Email us at [email protected].