Rajorshi Sen

About Rajorshi Sen

Over 17 years of experience in database engineering using OLTP systems like Oracle, MySQL, PostgreSQL and MPP systems like Teradata, Netezza, Redshift, BigQuery on AWS/GCP/On-premise- Penchant for solutions to hard database problems around performance, scaling and tech debt alleviation- Bailed-out database woes for some of the fastest-growing startups on the planet- Novel implementations around: 1. Resource allocation in a distributed DB system 2. Connection management for scaling databases 3. Automated database object maintenance 4. Workload-inspired resharding of database- Designed, implemented and patented a Hybrid Artificial Intelligence Platform encompassing on-prem and cloud resources for a cost-effective solution- Carried out one of the world’s largest migrations of Databases in terms of volume of data across data centres through novel and innovative methods- Supported the World\'s largest ever Oracle Real Application Clusters each comprising 40+ nodes and having a storage of 5+ PB over SAN. Example of scale: The largest database table was of size 600TB holding Amazon\'s 6 months of clickstream data.

Experience

1. Member of Technical Staff - Rubrik\'s Saas Controlplane

   Rubrik

   Mar 2022 — Present · Palo Alto, CA, US

Education

• Jorhat Engineering College

  Bachelor's degree - Engineering

• Cotton College

  Higher Secondary, STEM

• Don Bosco High School - India

  School

Skills

• Performance Tuning
• Oracle Rac
• Oracle
• Sql Tuning
• Pl/Sql
• Data Warehousing
• Databases
• Unix
• Sql
• Database Design
• Unix Shell Scripting
• Solaris
• Shell Scripting
• Rman
• High Availability
• Data Guard
• Javascript
• Troubleshooting
• Data Modeling
• Etl
• Database Administration
• Linux
• Cluster
• Big Data
• Apache Zookeeper
• Apache Spark
• Mpp
• Boto