During August 2025, Amjith contributed to both the zed-industries/codex and openai/codex repositories, focusing on enhancing text editing and developer experience. He implemented keyboard shortcuts for cursor navigation in the chat composer, improving usability for end users. In openai/codex, he added yank and undo functionality to the text area, enabling efficient text manipulation through Rust-based CLI development. Amjith also improved documentation by refining the README for clarity and providing local development setup instructions. His work demonstrated depth in Rust programming, UI/UX design, and front end development, addressing both user interface efficiency and developer onboarding within a short timeframe.