Richard Cole

Bachelor's

Communication

Mozilla Firefox

Software Engineer

- Https://pennant-notebook.github.io - Pennant is a real-time collaborative computational notebook with a remote code execution engine - Developed frontend integration between client-side providers (Yjs) and WebSocket servers (Hocuspocus - Reduced CRDT object size by 60% per notebook by implementing a custom nested data structure - Reduced client state load time from 40ms to 5ms and initial state synchronization bandwidth requirements - 80% by implementing 'stale-while-revalidate' in-browser caching - Increased developer productivity 150% with wrapper module API to abstract notebook interactions with - Refactored text editor binding tooling to reduce number of client application WebSocket connections from - Implemented an asynchronous code execution engine design that optimizes request handling by using - Improved execution engine security by layering sandboxing, Docker configuration hardening, and employing - Deployed a functionally partitioned cloud infrastructure to improve reliability and independent service scaling - Automated worker and host resource management via Docker API, control groups, and background workers - Worked within a team of remote engineers, helping organize and task out work via OKRs and milestones - Authored comprehensive whitepaper - https://pennant-notebook.github.io