Sophie Kim Email and Phone Number

- Established a distributed, real-time user ID generation that improved segmentation accuracy, handled over 5 million TPS, and standardized user ID mapping across the company - Executed a contextual blog advertising system, attracting thousands of advertisers and increasing revenue by over 10%- Implemented a keyword-based audience segmentation that boosted conversion rates by over 20%- Designed a JSON-driven Spark Streaming framework, reducing resource usage and development time by over 80%, resulting in more than 64 applications across 10 projects- Developed a rule-based behavioral retargeting system, leading to successful business partnerships

- Led a team of 4 in developing an enterprise data management platform that enabled data ingestion for B2B clients, enhancing data access speeds by 10x

- Implemented a real-time user analytics data pipeline, enabling stakeholders to make timely decisions that improved user experience and supported strategic goals- Set up and operated Kafka and Druid clusters, performing rolling upgrades to ensure minimal downtime and resilience for high-volume real-time data.

- Built business intelligence data cubes, increasing data processing speed by 6x and significantly reducing Hadoop resource usage, enhancing data accessibility and enabling faster business insights- Developed an ETL workflow framework that empowered development teams to create ETL workflows with minimal manual effort