• 10+ years of experience building high-performance databases, big data systems, or large-scale data services
• Deep understanding of internals of open-source Big Data or AI training systems (e.g., Hadoop, Spark, Flink, Ray, Iceberg, Delta Lake, Hudi, ClickHouse, Trino, Presto, PyTorch, or JAX)
• Strong experience with high-performance computing in C++, Java, and/or Scala
• Experience with Rust (or willingness to learn it)
• Proven ability to move fast, work independently, and collaborate with a high-caliber team
• Contributor, committer, or PMC member in Apache or other large open-source projects
• Experience with Apache Arrow, DataFusion, Parquet, Iceberg, or Delta Lake
• Track record of driving large features or integrations in distributed systems
• Strong community presence and passion for open-source collaboration