Maintained, extended, and created data visualization modules for flexible DSL-based data search and normalization engine.

• Built complex visualizations and analyst tools with React/Redux/GraphQL
• Built developer tooling with Node.js, including Webpack configurations, Babel plugins, and offline development support.

• Built out front-end Angular widgets displaying complex charts and interactive surveys
• Did in-depth performance analysis on front-end UIs
• Worked on back-end services in Java and NodeJS
• Worked on tooling in Ruby, NodeJS, Java and Golang
• Wrote complex analytics queries in HiveQL & MySQL