Embedded Firmware Engineer

At Ubiquiti Inc., we create technology platforms for Businesses, Smart Homes, and Internet Service Providers, driven by our goal to connect everyone, everywhere. To date, Ubiquiti has shipped over 100 million devices worldwide, from ISP networking products to next generation of IT solutions. Our growth is made possible by the dedicated team of hundreds behind the scenes. From software developers and product managers to designers and strategists, Team UI is driven to achieve our common goal: Rethinking IT. At Ubiquiti, you’ll heighten your potential and broaden your horizons - all while shaping the future of connectivity.

The Position

The Ubiquiti Kaunas office is looking for a talented and self-driven embedded C/C++ developer. We expect you to bring your experience, enthusiasm and creativity wherever you go and put them in the work you do. You should be able to think out of the box when finding solutions to brand new problems and make things work when the solution is not straightforward.

Responsibilities

• Work on new 5G & LTE products;
• Work as a part of the global team of firmware, hardware engineers and designers to develop cutting edge networking products and technologies;
• User space libraries and services development and bug fixing;
• Integration of 3rd party software into existing device firmware and build system;
• Maintenance of existing product firmwares;
• Work closely with HW engineering team to create new products and assist with finding problems in existing HW.

• 3+ years embedded firmware development experience with C/C++;
• Good understanding of Linux internals;
• Good knowledge of networking stack and protocols: TCP/UDP, static/dynamic routing;
• Good knowledge of Linux firewall (i.e. netfilter) and traffic control (i.e. tc);
• Experience with VPNs: IPSec/OpenVPN/wireguard;
• Experience with AI tools - Claude, Codex, etc;
• Knowledge of Git version control system;
• Fluent in English and Lithuanian.

• Experience with cellular network technologies (LTE/UMTS/GSM/CDMA);
• Experience with Linux driver development, OpenWRT;
• Experience with DPI traffic analysis solutions;
• Experience with Network Threat detections solution.

• International work environment and work with global development teams;
• Ability to deliver software that is used by millions of people across the globe;
• Opportunity to leverage and integrate modern AI tools into product development;
• Access to all Ubiquiti products;
• Medical insurance;
• Hybrid approach - office in Kaunas;
• Flexible work hours;
• Compensation package matching global standards, including competitive salary depending on your qualification and background (starting from 3000 up to 7000 Euro gross monthly);
• A-class office with all the necessities - snacks, drinks, free lunches, free parking, etc!