Software Engineer, Firmware

Budapest
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Description

🚀 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 in Budapest, Hungary. 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 October 5, 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]. 

Are you the ONE? Let us know!

📅 The application period closes on the date noted above, but the position will be filled as soon as we find the right candidate, so don’t wait—apply today! 🚀

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What's in It for You?

🌟 Flexibility at Its Best

Every team decides how often to visit the office and when to work from home. Prefer to work fully remote? That is an option for certain roles, especially if you are near one of our offices in Kaunas, Helsinki, Budapest, Tel Aviv, or Vilnius.

🤝 Team Bonding

We come together at least once a year for an exciting kickoff week to connect, collaborate, and celebrate. And of course, we have team gatherings and events throughout the year.

🎓 Professional Benefits

We reward employees with training bonuses for professional growth (e.g., earning AWS certificates).

💰 Global Rewards Program

We achieve our targets together, we are rewarded together. Everyone is included in the company’s annual bonus scheme.

✨ Referral Bonuses

We reward our team members up to €1,000 for successfully referring new employees.

✊ Our Values

We care about creating a supportive and inclusive environment. We shape the future with innovation, deliver on our commitments with integrity, and grow together through collaboration and continuous improvement.

We can only accept applications with our recruitment portal.

You have any questions about location or the role itself? Please email us at – [email protected]