Debarun Banerjee
Founding Engineer at VillageSQL
Bengaluru, Karnataka, India
Summary
🤩
Rockstar🎓
Top SchoolDebarun Banerjee is a founding engineer and seasoned database systems expert with 24+ years of deep experience across MySQL, PostgreSQL and Oracle internals. He has led design-and-implementation efforts for high-impact features such as MySQL Clone and scalable InnoDB ingestion algorithms that address replica provisioning and concurrent-load bottlenecks. At Huawei he helped build an in-memory DB (GMDB) from PostgreSQL sources and was part of the DB architecture group, giving him rare breadth across SQL parsing, execution, storage engines, distributed transactions, locking, indexing and recovery. Comfortable moving between research-level architecture and production-grade code, he combines system-level rigor with startup velocity—now channeling that expertise as a founding engineer in Bengaluru. An often-unspoken strength is his track record of shipping whole features end-to-end (requirement→architecture→design→code) in large vendor products, not just contributing patches.
2 years of coding experience
13 years of employment as a software developer
Bachelor's degree (B.TECH) Instrumentation, Bachelor's degree (B.TECH) Instrumentation at Indian Institute of Technology, Kharagpur
Github Skills (16)
nearest-neighbor-search10
galera10
innodb10
json10
sql-server10
geographical-information-system10
storage-engine10
mysql-server10
vector-database10
amazon-web-services10
relational-databases10
sql10
mysql10
mariadb10
rdbms10
Programming languages (1)
Github contributions (2)
mariadb-DebarunBanerjee/server
Jan 2024 - Mar 2025
MariaDB server is a community developed fork of MySQL server. Started by core members of the original MySQL team, MariaDB actively works with outside developers to deliver the most featureful, stable, and sanely licensed open SQL server in the industry.
Contributions:52 pushes, 18 branches in 1 year 2 months
MariaDB/server
Jan 2024 - Mar 2025
MariaDB server is a community developed fork of MySQL server. Started by core members of the original MySQL team, MariaDB actively works with outside developers to deliver the most featureful, stable, and sanely licensed open SQL server in the industry.
Contributions:296 reviews, 50 PRs, 92 pushes in 1 year 3 months
licensedsql-servermysqlsqlmariadb-server
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