Big Data Platform Engineer
Mobileum
- Designed Spark-based materialized view pipelines integrated with Trino/Presto, improving dashboard response times by 40-70%
- Optimized column-level access patterns and storage formats, reducing query scan volume and compute costs
- Supported production dashboards with strict SLA requirements
- AIP(Active Intelligence Platform)
- Built and deployed cloud- native analytics applications using Spark, Trino, ClickHouse, running on Kubernetes.
- Containerized Spark applications using Docker and managed deployments via Helm.
- Collaborated with cross-functional teams to deliver scalable analytics solutions
