At Reddit, our ML Ranking Platform is the brain behind how millions of people discover content every day. As a Staff Software Engineer, ML Ranking Platform, you will set (and lead) the technical vision for designing highly robust, scalable, reliable and performant ranking systems that power personalized feeds at Reddit scale. You’ll drive strategy, lead high-impact projects, and mentor teams building the ranking engines that balance speed, relevance, and reliability. Your work not only powers Reddit feeds; it’ll also shape how communities connect, grow, and thrive across Reddit! You will partner with Engineering, Product, UX Research, and Product Design teams to push the boundaries of what's possible with these powerful language models.