firestore-security-rules

Real-time personal expense tracker for Android — Java, Firebase Auth + Cloud Firestore, Material 3. No backend server: Firestore Security Rules are the authorization layer.

JetBrains IDE plugin that treats Firebase Security Rules (.rules) for Cloud Firestore and Cloud Storage as a first-class language: syntax highlighting, formatting, structural diagnostics, and symbol intelligence.

Crowd-curated school photo archive on free tiers: Firebase Auth + Firestore rules, Cloudflare Pages/KV, face matching that proposes and students confirm. Live demo uses synthetic data.

同志社大学・同志社女子大学の学生と学内団体（サークル・ゼミ）をつなぐ、スカウト型マッチングプラットフォーム。Flutter × Firebase による個人開発。

Firestore security rules diff for pull requests: a CLI and GitHub Action that runs old and new rules in the Firestore emulator and shows who gained or lost access, with a replayable request for each change.

A family savings tracker for one kid's piggy bank: chore deposits, spending categories, a goal and daily interest, shared across every device in the house via Firestore.

Archived four-person course project: campus marketplace on React + TypeScript and Firebase. Emulator-tested Firestore security rules, a CI-gated deploy and opt-in observability. Tech lead: Arlo Kharod.

Forms in-person study sessions from students' private, overlapping availability — an assurance-contract mechanism so nobody has to ask first. Flutter + Firebase. GEMASTIK XIX 2026.

Multi-tenant school platform: 7 roles, tested security rules, 88% smaller bundle. Live demo inside.

App movil de tareas (React Native + Expo) con cuentas, sincronizacion en la nube y reglas de Firestore con denegacion por defecto.

Collaborative whiteboard on Expo + Firebase, kept as a frozen portfolio showcase. Server-enforced plan limits (Cloud Functions + rules), rules-tested workspace isolation, idempotent and order-safe Stripe webhooks, metered AI gateway. Course origin, solo continuation. Not deployed.

Chittilata (చిట్టిలాట): the Telugu paper-chit games Chittilu Aata and Raja Rani as a real-time, cheat-proof multiplayer Android app. Flutter + Firebase, server-authoritative.

Team attendance app (Flutter + Firebase): one-tap check-ins on server time, admin-approved leave, work schedule with holidays, live dashboard and CSV/PDF reports. Security rules tested in the emulator.

Marketplace de serviços em React Native (Expo Router, TypeScript) com Firebase: Auth, Firestore com regras endurecidas, Storage e Cloud Functions para carteira de moedas, vagas, chat, Premium e pagamentos Mercado Pago. Roda local com Firebase Emulator Suite e seed de demo.

ShabuQ — real-time queue app for shabu restaurants: customers book from home, staff run a live queue board. Flutter + Firebase Auth + Firestore with role-based Security Rules.

Tested Cloud Firestore security rules for a two-sided services marketplace (61 emulator tests).

Built a secure role-based admin dashboard using Firebase Authentication and Firestore on the Spark plan. Implemented Google and email login, protected routes, admin-only permissions, user management, real-time updates, and Firestore security rules following real-world SaaS access control patterns.