Senior Machine Learning Engineer

Working on enhancing search experiences and content moderation systems at Tumblr, focusing on improving user engagement and content quality.

Responsibilities

• Enhancing end-user search experiences by integrating Elasticsearch results with top-ranking posts
• Conducting A/B experiments and tracking key performance indicators (user engagement, likes, shares, etc.)
• Contributing to the analysis and implementation of a mature-term classification system for user queries
• Optimizing search algorithms and recommendation systems

Key Achievements

• Increased critical search engagement KPIs by at least 2.5%
• Successfully reduced spam by 18%
• Improved search result relevancy through advanced ranking algorithms

Technologies Used