The Opportunity: As a Senior/Principal Data Processing Engineer - OSS, you will be a key individual contributor in adopting and advancing capabilities of open-source software (OSS) platforms such as Apache Gluten, Velox, Apache Spark, and Apache Flink in the context of DataPelago's data processing engine. 3+ years of deep technical experience in developing core components of Apache Spark, Apache Flink, Apache Doris, Apache Gluten, Velox, Apache DataFusion, Apache DataFusion Comet, or equivalent platforms designed for large-scale data processing.