📍 London, UK | 🚗 Senior Android Auto Engineer @ Wayve | 🦀 CLI builder

Building things with AI, Android, Flutter, and open-source tools — from stacked Git workflows to terminal-native mobile dev. Portfolio at cesarferreira.com.

• ☁️ dryrun (3.8k+ stars) - try the demo project of any Android library
• 📡 SwiftEventBus (1.1k+ stars) - publish/subscribe EventBus for iOS
• 📚 stax (119+ stars) - stacked-branch Git workflow with TUI, smart PRs, and safe undo
• 💀 rip (465+ stars) - fuzzy find and kill processes from your terminal
• 🍰 drone (517+ stars) - the missing library manager for Android developers
• 🔍 alfi (500+ stars) - Android Library Finder
• 🪡 needle (149+ stars) - TUI that highlights the GitHub PRs that need you

• 📚 stax - fastest stacked-branch workflow for Git; interactive TUI and smart PRs
• 🔌 stax.tmux - tmux plugin for live stack status, keybindings, and window auto-rename
• 🪡 needle - GitHub PR inbox in your terminal
• 💀 rip - fuzzy process killer
• 📋 nuls - NuShell-inspired ls with tables
• 🖥️ tmux.expose - Mission Control-style tmux session switcher with live previews
• 📝 changed - live read-only TUI of what changed in your git worktree
• 📊 toppy - colorful htop/btop-style system monitor TUI
• ☕ keepawake - keep your machine awake from the CLI
• 🐦 robin - JSON-driven CLI tool (Rust)
• 🎬 screen-recorder - minimalist CLI screen recorder for macOS

• 🤖 adev - project-aware Android dev CLI (test, install, launch, clean)
• 📱 byedroid - build, install, run, and stream logcat without leaving the keyboard
• ⚡ dab - fast interactive CLI for automating your Android device
• 🧰 androkit - reusable Android toolkit for Rust (ADB, APK/manifest, Gradle discovery)
• ☁️ dryrun - try any Android library's demo in one command
• 🍰 drone - Android library manager
• 🔍 alfi - discover Android libraries from the terminal
• 🚀 android-rocket-launcher - launch Android modules from the terminal
• 🐱 purrge - quickly uninstall Android apps from your phone
• 🌀 gradlr - fastest autocomplete for Gradle tasks
• 📜 rustycat - modern logcat viewer in Rust
• 🐙 git-gud - small tools to enhance your GitHub workflow

• 📡 SwiftEventBus - EventBus optimized for iOS
• 👥 RxPeople - fake people data for Android demos
• 🎨 colorize - 1000+ named colors on Android
• 🐈 CatKit - cat placeholder kit for Android
• 📄 RxPaper - reactive NoSQL storage on Android
• 🛠️ AndroidQuickUtils - Android development utilities
• 🏷️ MaterialComponent.Banner - Material banner component for Android

• 🧩 parsy - fast in-browser JSON editor with validation, tree view, and diffing
• 🍺 homebrew-tap - Homebrew tap for shipping CLI tools

Browse 113 projects (tools, libraries, apps, and more) on cesarferreira.com.

• Autonomous driving @ Wayve - Android Auto, in-vehicle UX, and platform tooling
• Agent-native engineering - Rust CLIs, stacked Git workflows (stax), and terminal-first dev loops
• Shipping small tools - Android dev from the keyboard, tmux ergonomics, and fuzzy terminal UIs
• Open source - 120+ public repos and 10k+ stars across personal projects

• Flutter MVVM architecture - DI, state management, and repository pattern
• How to use the new Android coroutine viewModelScope in Clean Architecture - binding ViewModel lifecycle to use cases
• Using Gradle Build Cache Server - avoid work that does not need doing
• More on Medium @cesarmcferreira

• 10k+ GitHub stars across personal open-source projects
• 136+ public repositories - tools, libraries, and experiments spanning Android, Rust, Ruby, and JavaScript