Brenno Ferrari is a Senior iOS Engineer at Trade Republic in Berlin. Over a decade building mobile software across fintech, cybersecurity, e-commerce, fitness, real estate, energy, and financial regulation. Creator of Obsidian Mind (obsidian-mind, 2,000+ GitHub stars) — persistent memory for Claude Code, Codex CLI, and Gemini CLI — and Weave (PackWeave), an MCP pack manager.