Ravikumar G.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

Staff Engineer at Samsung Research with 12+ years building large-scale data platforms. I specialize in end-to-end data infrastructure — from real-time streaming pipelines (Kafka, Kinesis) to batch processing (Apache Spark, Airflow/Cloud Composer) to modern lakehouse architectures (Apache Iceberg, StarRocks, Trino, BigQuery). What I bring to your project: • Spark internals & performance tuning (Catalyst optimizer, Tungsten, AQE, shuffle optimization) • Lakehouse design on GCP/AWS — Iceberg, Delta Lake, BigQuery, Dataproc • Real-time pipelines with Kafka, Kinesis, and Structured Streaming • Cloud infrastructure — AWS Solutions Architect Professional certified, GCP certified • Kubernetes-native deployments (CKD certified) MTech in Big Data Engineering from BITS Pilani. I work with precision, deliver documentation with every engagement, and communicate clearly throughout. Available for architecture consulting, pipeline audits, Spark performance tuning, and data engineering mentorship.