During a two-month period, Nikola Vitorovic focused on enhancing developer documentation and tooling integration across several repositories, including ethereum-optimism/docs, inkonchain/docs, zeta-chain/docs, taikoxyz/taiko-mono, and ava-labs/builders-hub. He delivered cross-repository documentation for Tenderly services, integrating features such as Virtual TestNets, Developer Explorer, and RPC access, and expanded onboarding resources for smart contract developers. Using Markdown and technical writing skills, Nikola created and updated feature pages, improved discoverability of debugging tools, and aligned documentation with evolving infrastructure needs. His work demonstrated depth in documentation-driven engineering, supporting developer experience and reliability without direct bug-fixing responsibilities during this period.