Roman contributed to several open source projects over two months, focusing on backend and full stack development using TypeScript, JavaScript, and Go. In the intel/llvm repository, Roman improved code readability by correcting typos in comments and strings, enhancing documentation without altering functionality. For is-a-dev/register, Roman enabled more flexible DNS management by switching domain configurations to URL records and fixed dynamic routing issues by refining route parameter parsing. In withastro/astro and withastro/docs, Roman addressed dependency security, improved TSDoc navigation, and clarified middleware documentation. The work emphasized maintainability, security, and developer experience through targeted code refinement and documentation improvements.