Tanvir is a developer with a strong interest in diverse programming languages, as evident from their impressive coding activity on WakaTime, where they've spent 96.9 hours coding in languages including Lua, Nix, Python, and Rust among others. Additionally, Tanvir has a GitHub presence with 10 followers and has contributed to open-source projects such as a Firefox configuration repository which has garnered attention with 4 stars. Their coding skills span across front-end technologies like CSS and JavaScript.