Rearchitected symbol search, went from broken to fast for one of the biggest customers

Improved out-of-the-box code nav quality so much that we got positive user feedback

Improved fuzzy code intelligence, which had a "material" impact on conversations with customers

Improved symbol search performance from O(n) to O(1) using SQLite (Go)

Revived and documented browser-based test suite

Responded and fixed disk space issues and accidental internal DDOS while on-call

Added Sourcegraph extensions to the Sourcegraph browser extension (TypeScript)

Dockerized several language servers and implemented push-button language server setup (Docker, Go)

Added UI components and interfaced with backend APIs (TypeScript, Angular)

Eliminated certain errors caused by differences between developer environments by locking dependencies

Contributed feature PRs to upstream open source repos: jasmine, grunt-shell-spawn, grunt-protractor-runner

Prevented any further browser console errors from creeping into the app and implemented a framework for gradually fixing existing bugs that cause known console errors