<div class="show-more-less-html__markup show-more-less-html__markup--clamp-after-5 relative overflow-hidden"> <p><strong>Most backend engineers build APIs. A few build systems that fight back.</strong></p><p><br/></p><p>Every day, billions of mobile ad events are generated. Somewhere in those billions are fraudsters using emulator farms, fake installs, SDK spoofing and device modifications to game the system.</p><p>We're looking for a <strong>Staff/Lead Backend Engineer (Go)</strong> to build the infrastructure that stops them.</p><p><br/></p><p>📍 <strong>Hamburg, Germany (Relocation Support Available)</strong></p><ul><li><strong>3 days week in office</strong></li></ul><p><br/></p><p>You'll be joining a high-performing engineering team building distributed systems that:</p><ul><li>Process <strong>billions of events every day</strong> using Kafka, SQS &amp; SNS</li><li>Scale Go microservices serving <strong>hundreds of millions of users</strong></li><li>Design ultra-low latency data layers with DynamoDB, Cassandra or ScyllaDB</li><li>Detect sophisticated fraud in real time with millisecond response time</li><li>Lead engineers, shape technical direction and mentor a world-class team</li></ul><p><br/></p><p>We're looking for someone with experience in:</p><p>✔️ Go (Golang) backend development at scale</p><p>✔️ Microservices &amp; distributed systems</p><p>✔️ Event-driven architectures (Kafka, SQS/SNS)</p><p>✔️ NoSQL databases (DynamoDB, Cassandra, ScyllaDB)</p><p>✔️ AWS, Azure or GCP</p><p>✔️ Technical leadership and mentoring</p><p><br/></p><p>Bonus points if you've worked with Android or iOS development, security, fraud prevention, reverse engineering or have the mindset of someone who enjoys figuring out how systems can be broken before attackers do.</p><p><br/></p><p>This is an opportunity to work on infrastructure that impacts <strong>hundreds of millions of users</strong>, solve genuinely difficult distributed systems problems, and join an international engineering team where ownership, speed and technical excellence are part of the culture.</p><p><br/></p><p>📩 If you're interested—or know someone who might be—drop me a message or apply today.</p><p>Nathan.warren@impalasearch.io</p> </div>