Ubiquiti

Delivers enterprise and consumer networking gear

Embedded Software Engineer - Network Gateway

Embedded EngineeringConfirmed live in the last 24 hours

Full-timePrague, Czechia

About the Job

Requirements

At least 5 years of software development experience.
Strong C and C++ development and debugging skills.
Strong knowledge of Linux internals and Linux networking.
Strong understanding of TCP/IP, routing, Network Address Translation (NAT), firewalling, and network security.
Experience developing gateway features such as routing, Virtual Private Network (VPN), firewall, Quality of Service (QoS), or security.
Experience debugging complex networking and system-level issues on embedded Linux.
Ability to design and discuss software at the architectural level.
Bachelor’s or Master’s degree in Computer Science or Electrical Engineering, or equivalent practical experience.
Fluency in English and Czech.

Responsibilities

Design and deliver routing, security, and connectivity features for the UniFi Gateway product line.
Work across the stack, from the Linux kernel and data plane to the networking control plane and device application programming interfaces (APIs).
Build advanced gateway capabilities across routing, software-defined wide area networking (SD-WAN), VPN, firewalling, traffic inspection, and identity-based networking.
Own complex networking features from architecture and implementation through deployment at UniFi scale.
Work closely with Product, Hardware, Support, and Quality Assurance (QA) teams to deliver customer-facing features and fixes.

Desired Qualifications

Experience with dynamic routing protocols and technologies, including FRRouting (FRR), Border Gateway Protocol (BGP), Open Shortest Path First (OSPF), Bidirectional Forwarding Detection (BFD), Protocol Independent Multicast (PIM), Virtual Routing and Forwarding (VRF), and route leaking.
Experience with VPN/IPsec technologies, including strongSwan, Internet Key Exchange version 2 (IKEv2), XFRM/VTI, certificate-based authentication, and NHRP/ADVPN-style dynamic overlays.
Experience with SD-WAN capabilities, including service-level-agreement probing, application-aware path selection, per-flow steering, multi-WAN load balancing, and failover.
Experience with Linux networking technologies, including netfilter, conntrack, nftables/iptables, and traffic shaping with tc, HTB, or CAKE.
Experience with network security technologies, including deep packet inspection (DPI), intrusion detection/prevention systems (IDS/IPS) such as Suricata or Snort, TLS inspection, and threat intelligence.
Experience with data-plane acceleration, including hardware flow offload, DPDK/VPP, XDP/eBPF, and network performance optimization.
Experience with high-availability technologies, including Virtual Router Redundancy Protocol (VRRP), session synchronization, conntrackd, and clustering.
Experience with identity-based networking technologies, including RADIUS, Lightweight Directory Access Protocol/Active Directory (LDAP/AD), 802.1X, public key infrastructure (PKI), and certificate management.
Experience with embedded Linux technologies, including Debian packaging (dpkg/apt), systemd, board support packages (BSP), and Linux device driver development.

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.

This role requires working from our Prague office at least two days per week.

Responsibilities:

Design and deliver routing, security, and connectivity features for the UniFi Gateway product line.
Work across the stack, from the Linux kernel and data plane to the networking control plane and device APIs.
Build advanced gateway capabilities across routing, SD-WAN, VPN, firewalling, traffic inspection, and identity-based networking.
Own complex networking features from architecture and implementation through deployment at UniFi scale.
Work closely with Product, Hardware, Support, and QA teams to deliver customer-facing features and fixes.

Knowledge and experience:

5+ years of software development experience.
Strong C/C++ development and debugging skills.
Strong knowledge of Linux internals and Linux networking.
Strong understanding of TCP/IP, routing, NAT, firewalling, and network security.
Experience developing gateway features such as routing, VPN, firewall, QoS, or security.
Experience debugging complex networking and system-level issues on embedded Linux.
Ability to design and discuss software at the architectural level.
Strong ownership, communication, and problem-solving skills.
Bachelor’s or Master’s degree in Computer Science, Electrical Engineering, or equivalent practical experience.
Fluent in English and Czech.

Nice to have

Experience in one or more of the following areas:

Dynamic routing: FRR, BGP, OSPF, BFD, PIM, VRF, and route leaking.
VPN/IPsec: strongSwan, IKEv2, XFRM/VTI, certificate-based authentication, NHRP/ADVPN-style dynamic overlays.
SD-WAN: SLA probing, application-aware path selection, per-flow steering, multi-WAN load balancing and failover.
Linux networking: netfilter, conntrack, nftables/iptables, traffic shaping (tc, HTB, CAKE).
Network security: DPI, IDS/IPS (Suricata, Snort), TLS inspection, and threat intelligence.
Data-plane acceleration: hardware flow offload, DPDK/VPP, XDP/eBPF, and network performance optimization.
High availability: VRRP, session synchronization, conntrackd, and clustering.
Identity-based networking: RADIUS, LDAP/AD, 802.1X, PKI, and certificate management.
Embedded Linux: Debian packaging (dpkg/apt), systemd, BSP, and Linux device driver development.

Benefits:

Competitive salary, 5 weeks of vacation per year.
Discretionary bonuses based on individual performance.
Flexible working hours, home office.
Access to all the latest Ubiquiti products and prototypes for home use and testing.
Team building activities.
Generous budget to select your work station according to your preferences.
Top floor office with terrace near Anděl with an amazing view of Prague.
Kitchen packed with food, snacks & sodas, meal allowance.
A collective of developers who want to build the best product. Maximum effort to keep processes to a minimum - no unnecessary bureaucracy, complex reporting, or similar overhead.

About the Company

Ubiquiti

Delivers enterprise and consumer networking gear

Ubiquiti designs and sells networking equipment for enterprises, service providers, and consumers. Its products include the UniFi line (access points, switches, routers, cameras) managed by UniFi OS for centralized control; airMAX, airFiber, and UFiber for WISPs to build long-distance wireless links; and AmpliFi for home mesh networks. The company uses a direct-to-consumer, lean distribution model with a global network of distributors and a strong online user community that helps steer product development. Its goal is to provide affordable, high-performance networking hardware that expands internet access in underserved and emerging markets while supporting a broad ecosystem of users and partners.

Company size: 1,001-5,000
Company stage: IPO
Headquarters: New York City, New York
Founded: 2003

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