Embedded Software Engineer
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:
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5+ years of experience in embedded networking software development
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Strong hands-on experience with:
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IPv6 protocol stack implementation (L2–L7)
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IPv6 address management, DHCPv6, SLAAC
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IPv6 Prefix Delegation
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Experience with varied IPv6 network setups (enterprise, ISP, and mixed environments)
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- Proficiency in C/C++, with familiarity in Linux-based networking stacks
- Excellent problem-solving, analytical, and debugging skills
- Strong communication and documentation abilities.
Nice to Have:
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Experience with IPv6 interoperability testing with ISPs
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Experience with IPv6 certification processes (e.g., IPv6 Ready Logo, Hurricane Electric IPv6 Sage, or equivalent)
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Familiarity with UniFi platforms
Benefits:
- Competitive salary and 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 tests
- Top floor office with terrace and amazing view of Prague
- Kitchen packed with coffee, food, snacks & sodas, meal allowance, etc.
- A collective of developers who want to make the best product. Maximum effort to keep processes to a minimum, no complex reporting and similar habits
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