Dev Leonardo (@DevLeonardo) — Developer tools / infra on YouTube

Dev Leonardo is a Developer tools / infra creator on YouTube in the 9K–10K follower range, publishing for Frontend web developers and GitHub power users focused on modern JS/TS frameworks and AI coding assistants, based in Italy. Profile last checked 2026-07-25.

| Field | Value |

| --- | --- |

| Platform | YouTube |

| Handle | @DevLeonardo |

| Followers | 9K–10K |

| Category | Software · Developer tools / infra |

| Market | Italy |

| Audience function | developers |

Profile bio

Hello! I'm Leonardo and talk about Open Source, Web Development, and GitHub - I'm a Frontend Developer, GitHub Star ...

What this creator posts about, and who reads it

Recurring topics: TanStack Start/Router/Table/Query, GitHub Copilot advanced features and agents, TypeScript type-level testing, VS Code productivity and GitHub workflows, Supabase integration with modern web stacks

Audience: Frontend web developers and GitHub power users focused on modern JS/TS frameworks and AI coding assistants

Audience read from this creator’s own recent posts, not from platform-declared categories. It is our reading, and it can be wrong.

Recent content samples

Telling my custom agent to ask me questions when in doubt

A prompt to create skills

The Best Tool for Coding Agents

Switch between VS Code projects super fast

Where this creator sits in the wider pool

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