Developed a query processing engine to support SQL like custom domain specific language to query and join data stored in solr and mysql. The engine supports hundreds of millions of queries every day.

Developed in-house ledger system tracking millions of financial transactions using event based architecture using RabbitMQ.

Developed underwriting system to grade loans.

Decomposed monolithic web app. into micro-services.

Designed and developed real time trading system for Equity and Fixed income trading in Blackrock.

Developed Content management system for US Technology.

Led various projects for British Telecom in mobile, high speed internet domain.