Software Developer - Site Reliability Engineering

Who we are:

With several hundred thousand servers in operation, Hetzner is one of the largest web hosting providers and data center operators in Europe. We provide our customers with high-tech products we develop in house, and with reliable infrastructure at fair prices. More than 500 Hetzner employees work every day to help shape the digital future and provide our customers with simple, efficient solutions to complex problems.

You like to protect systems from unwanted access, ensure outstanding performance, and keep backend load to a minimum. Do you speak IPv6 fluently and know the OSI layers by heart?
Then you might be just who we’re looking for as a Software Engineer for Site Reliability Engineering (m/f/d) at our location in Gunzenhausen.

• Ensure the performance and security of our websites by mitigating attacks, bot traffic and backend overload
• Protect our systems from Distributed Denial of Service (DDoS) attacks
• Design and refine rate limiting and caching solutions between network and application layers
• Contribute your ideas, build visionary solutions, and help shape the future of our infrastructure

• Strong programming skills – ideally in Rust, tokio.rs, Lua, Go, or C/C++
• Solid knowledge of network technologies such as BGP, DNS, TCP, HTTP, TLS, and IPv6
• Familiarity with Dev Ops practices and Infrastructure as Code tools is a plus
• Curiosity and creativity – you're eager to go beyond your own comfort zone, and you can bring fresh ideas to the table
• A large amount of initiative; an independent, structured work style
• Strong analytical skills and the ability to stay cool under pressure

At Hetzner Online, your tasks will be exciting, challenging, and varied. Our corporate philosophy emphasizes personal interaction, efficient decision making processes, and a strong DIY mentality. In addition to numerous social benefits, flexible working hours (where feasible), and opportunities for both professional and personal development, we can offer you an attractive salary.

Do you have any questions? Feel free to reach out to us at or call our contact person for this position.