<div class="show-more-less-html__markup show-more-less-html__markup--clamp-after-5 relative overflow-hidden"> This isn’t your regular job. Almedia is a place where those who want to push harder can accelerate their careers faster than anywhere else. We’re aiming to become Germany’s second bootstrapped unicorn. Almedia is already Europe’s #3 fastest-growing company in 2025 (FT1000).<br/><br/>We are building the future of marketing by rewarding our community of over 70 million users for engaging with our advertisers’ products. We are offering a new way to acquire users for the biggest companies in the world.<br/><br/><strong>Principal Machine Learning Engineer<br/><br/></strong>You'll take ownership of the hardest ML problems across Almedia's products and growth. This is a hands-on role for someone who identifies what matters most, sets the technical direction, and drives it end to end with minimal oversight.<br/><br/><strong>Types of problems you'll be solving<br/><br/></strong><ul><li>Designing and owning the strategy for user reward schemes at scale, across behaviour signals and market dynamics</li><li>Architecting real-time personalisation systems for reward values that operate at production scale</li><li>Defining how we detect and diagnose underperforming campaigns, and building the systems that act on it<br/><br/></li></ul><strong>Your role<br/><br/></strong><ul><li>Own end-to-end delivery of high-impact ML systems: from problem framing through to production and iteration</li><li>Set the technical bar for ML across the org, establishing best practices and raising the quality of decisions</li><li>Define where ML creates the most business value and align the roadmap accordingly</li><li>Apply advanced statistical and causal inference methods with rigour and production-readiness</li><li>Partner with product and engineering leadership to shape how technical capability maps to strategic priorities<br/><br/></li></ul><strong>You have<br/><br/></strong><ul><li>A strong track record of taking ambiguous, high-impact problems from first principles to production independently</li><li>Deep expertise in statistics, causal inference, and experimentation at scale</li><li>Mastery of Python and SQL, with extensive hands-on cloud and production systems experience</li><li>A history of setting technical direction and raising the bar for engineering teams around you</li><li>The communication range to influence both engineers and senior business stakeholders<br/><br/></li></ul><strong>Bonus points for<br/><br/></strong><ul><li>Passion for gaming and a strong intuition for player behaviour</li><li>Experience in adtech, monetisation platforms, or the gambling industry</li><li>Familiarity with gaming KPIs such as pLTV, retention, and ROAS<br/><br/></li></ul><strong>Why Almedia?<br/><br/></strong><ul><li>Scale With Almedia: Have a real impact and grow alongside a startup that has been profitable from day one.</li><li>High-Growth Environment: We encourage all staff to take ownership of projects and consistently raise the bar.</li><li>Do More, Get More: Generous bonus scheme to ensure great, proactive work is valued.<br/><br/></li></ul>We believe in fostering talent, evaluating all skill levels during the hiring process, and providing a clear path for growth. Almedia is an equal opportunity employer. We embrace and celebrate diversity, and encourage individuals from all backgrounds to apply. </div>