Sanajit Jana developed and enhanced user-facing and developer-facing features across multiple repositories, including AirQo-frontend, TabbyML/pochi, and delta-io/delta-kernel-rs. He implemented scalable table components with multi-select and pagination in React and TypeScript, improving data handling for large datasets. In TabbyML/pochi, he refactored workspace rule configuration to support multiple file paths, increasing flexibility and maintainability. Sanajit also improved documentation security and onboarding by updating HTTP links to HTTPS and adding detailed FFI build instructions in delta-io/delta-kernel-rs using Markdown and JavaScript. His work demonstrated depth in codebase maintenance, localization, and UI/UX consistency, addressing both usability and integration challenges.