Embedded Software/Firmware Engineer (Network products)

About Ubiquiti 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. Responsibilities: Implement kernel mode and user mode applications for UniFi-Protect product line device firmware, from bootloader up to user-space applications, like Linux Kernel, rootfs, Websocket, RESTful API design, gRPC, etc Implement features to support hardware testing and diagnosis of various kinds of embedded devices Work closely with various teams, like EE, Backend, Frontend, Mobile, QA, Factory and Manufacturing Requirements: Proficiency in C++ (99 % code base) and C Familiar with Sigmastar / Ambarella platform Proficiency with Video/ Audio streaming and transcoding Understanding and experience with ARM platform Experience with debuggers such as gdb, strace, etc Embedded software development experience in Linux driver and both kernel & user modes are desired Familiarity with some form of scripting (shell, python, nodejs) Familiarity with Git version control A genuine passion for embedded software development A team player, who is very self-motivated, loves difficult challenges, and is goal driven Ability to deliver on tight schedules BS/MS in Computer Engineering, Computer Science or equivalent Fluent in both written and spoken English to work effectively within a highly collaborative environment with colleagues around the world Nice to have: Experience with development boards such as Raspberry Pi, Arduino,

About Ubiquiti 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. Responsibilities Plan and execute manual test strategies for Layer 2/Layer 3 switching platforms, ProAV (Audio/Video over IP), and associated UI software. Validate features related to VLAN, QoS, IGMP snooping, multicast routing, Dante, and network-based audio/video control protocols. Design and maintain test cases in collaboration with developers, product managers, and system architects. Perform functional, regression, performance, and stress testing on web interfaces, mobile apps, and embedded device firmware. Log detailed and reproducible issues in Jira; verify fixes and provide input on root cause analysis. Analyze system behavior across multiple platforms (Web, Mobile, Networked Devices). Contribute to test documentation including test plans, bug reports, and test summaries. Requirements 3+ years of experience in manual QA for Networking products or ProAV systems Solid understanding of QA methodologies, test case management tools (TestRail, Zephyr, etc.). Hands-on experience with Jira and Confluence. Familiarity with networking concepts (VLANs, switching, routing, WiFi, VPNs, OSI model). Exposure to AV protocols and devices such as Dante, Q-Sys, Crestron . Strong analytical skills and attention to detail. Fluency in English and Romanian (written and spoken). Ability to work effectively in a collaborati

About Ubiquiti 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. Responsibilities: Develop Linux user-space firmware for Ubiquiti networking products; Collaborate with global firmware, hardware, cloud, and product teams throughout the product lifecycle; Design, implement, and maintain system services, management daemons, libraries, and product business logic; Develop network-facing applications using sockets, IPC mechanisms, netlink, and event-driven I/O; Integrate open-source packages and third-party components into our OpenWrt-based firmware and build systems; Maintain and improve existing firmware, focusing on stability, performance, security, and resource efficiency; Develop interfaces between low-level platform components, device-management services, and higher-level product features; Diagnose complex laboratory and field issues using logs, packet captures, tracing, core dumps, and profiling tools. Requirements: 3+ years of embedded Linux software development experience using C or C++; Strong understanding of Linux internals, including processes, threads, memory management, filesystems, signals, and service lifecycle; Experience with Linux networking, sockets, IPC, netlink, epoll, and asynchronous application design; Solid networking fundamentals, including Ethernet, TCP/UDP, IPv4/IPv6, routing, bridging, firewalls, and DNS/DHCP.; Experience with Git, Bash, cross-compilation, toolchains,

About Ubiquiti 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. Role Summary: We’re looking for a Senior IPv6 Engineer to take ownership of IPv6 feature development and integration across our UniFi gateway routers. You’ll design, build, and optimize critical IPv6 networking components that enable secure, reliable, and high-performance connectivity for our global users. Candidates should be prepared to work from our Prague office at least two times per week. Responsibilities: Design, develop, and maintain IPv6 networking features in enterprise router firmware and software stacks Ensure seamless IPv4-to-IPv6 coexistence (dual-stack, tunneling, NAT64, DS-Lite, MAP-E, etc.) for enterprise and ISP-grade deployments Conduct performance tuning, benchmarking, and troubleshooting for IPv6 forwarding, security, and QoS features Collaborate with product managers and system architects to define the IPv6 roadmap and feature priorities Work closely with the QA team to suggest test plans, simulations, and automated test environments for IPv6 functionality Requirements: 5+ years of experience in embedded networking software development Strong hands-on experience with: IPv6 protocol stack implementation (L2–L7) IPv6 address management, DHCPv6, SLAAC IPv6 Prefix Delegation Experience with varied IPv6 network setups (enterprise, ISP, and mixed environments) Proficiency in C/C++, with famili

About Ubiquiti 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 Riga 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 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. Requirements: 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 Latvian. Nice to have: Experience with cellular network technologies (LTE/UMTS

About Ubiquiti 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. Ubiquiti Prague R&D team is looking for experienced Embedded Firmware Engineer (Access). Candidates should be prepared to work from our Prague office at least two times per week. Responsibilities: Work as part of a global, cross-functional team of firmware, hardware, and product engineers to develop cutting-edge access control products and technologies Design, implement, and maintain embedded firmware for current and next-generation access devices (readers, hubs, controllers) Enhance and optimize existing firmware for performance, stability, and security Participate in code reviews to ensure adherence to best practices and maintain high code quality standards Collaborate closely with BSP, Hardware, Backend, Mobile, and Product Assurance (PA) teams throughout the product development lifecycle Diagnose, troubleshoot, and perform root-cause analysis of firmware and system-level issues Support manufacturing and production validation by resolving firmware-related issues and assisting with firmware update pipelines Requirement (Must-Haves): 3+ years embedded firmware development experience with C Good knowledge of network protocols (TCP/IP, HTTP, Websocket, TLS/SSL) Experience with microcontrollers, SoCs, embedded Linux and RTOS Experience with access control systems (e.g., card readers, NFC, mobile unlocking) Knowledge of Git vers