Embedded Wi-Fi Firmware Engineer

Requirements: 3+ years of embedded firmware development experience using C or C++; Strong understanding of Linux internals, including processes, memory management, networking, netlink, and event-driven I/O; Solid networking fundamentals, including TCP/UDP, routing, firewalls, and traffic control; Experience with Wi-Fi standards and concepts, including IEEE 802.11 a/b/g/n/ac/ax/be), WPA2/WPA3, EAP, and SAE; Experience with Git, cross-compilation, toolchains, and embedded build systems such as OpenWrt or Buildroot; Experience with AI tools - Claude, Codex, etc; Fluent in English and Lithuanian. Nice to have: Linux wireless or driver experience involving mac80211, cfg80211, NL80211, ath10k; ath11k or mt76; Hands-on experience customizing hostapd, wpa_supplicant, or their control interfaces; Experience with Qualcomm Atheros, MediaTek, or comparable chipset SDKs and board bring-up; Understanding of RF fundamentals, including link budget, SNR, MCS, spectral analysis, regulatory domains and DFS; Experience with 802.11s, EasyMesh, band steering, client steering, or 882.11k/v/r roaming optimization; Experience with Wireshark, tcpdump, radiotap, iPerf3, IxChariot, or automated wireless testing frameworks; Python or Bash scripting experience and familiarity with CI/CD systems. Benefits: 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!