Senior Software Engineer, Firmware

4 days ago

Oslo, Oslo County, Norway CUJO AI® Full time €100,000 - €150,000 per year

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
Senior
Software Engineer
with a background in native code Linux to join our Firmware team in
Oslo, Norway
.

You will work in a team that builds embedded analysis solutions for Internet Service Providers (ISPs) home routers, also known as Customer Premise Equipment (CPE), build test automation systems and port the software to different Linux based router platforms.

In This Role, You Will:

  • Build highly optimized software for Linux-based CPE devices.
  • Develop network intelligence solutions that will be deployed to millions of devices.
  • Port the solution on different Linux-based CPE platforms.
  • 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 30, 2025
– but don't wait We'll hire as soon as we find the right person.

Apply via our recruitment portal. Questions? Email us

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