Sinan Kanmaz

• Built marketing sites and internal dashboards with Next.js (App Router) + HeroUI.
• Implemented Firebase backends (Auth, Firestore, Functions v2) with RBAC.
• Improved Lighthouse scores to 95+; added analytics & growth instrumentation.

• Multilingual Flutter app with modern architecture; authentication, notifications and robust data modeling.
• End‑to‑end Firebase integration (Auth, Firestore, Storage, Functions).
• Async data flows, caching and error handling for reliable performance.

• CEFR‑aligned (A1–B2) Spanish vocabulary/phrase learning for mobile & web.
• Flashcards, quizzes, stories and video‑based content with daily quests.
• Gamification: badges, progress tracking, 1:1 messaging and video calls.
• Firebase stack: Auth, Firestore, Storage, Functions, Analytics.
• Multi‑language UI with regional variants (ES & LatAm).

• CEFR‑aligned (A1–B2) English learning app with flashcards, quizzes, stories and video‑based content.
• Daily quests and streaks to drive retention.
• Gamification and social features (badges, progress, messaging, video).
• Firebase backend and analytics instrumentation.

• Cloud platform for pet‑care businesses: appointments, client/pet profiles, vaccine & care records, reminders.
• Multi‑tenant architecture with role‑based access control (RBAC).
• Admin dashboards, reporting, notifications and content management.
• Modern, responsive UI/UX with performance & accessibility focus.

• Unified dashboard for marketplace & e‑commerce sellers: sales, stock and profitability tracking.
• Real‑time metrics (orders, revenue, unit costs, return rate, growth trends).
• Price & competitor monitoring, low‑stock alerts, re‑order suggestions.
• Data ingestion via webhooks/cron; reports and CSV/Sheets exports.

Multi-restaurant QR menu platform with separate super-admin and restaurant dashboards. Restaurants edit menus, print QR codes; scans render branded menus.

End-to-end order-to-delivery automation for a food wholesaler. Admin app on Flutter Web, customer apps on iOS/Android/Web. Firebase backend.

• Platform that digitizes teacher workflows: exam analysis, attendance & homework tracking, meeting minutes.
• Mobile (Android live, iOS in prep) and web applications.
• Parent–student–teacher collaboration features to improve engagement.
• Firebase stack (Auth, Firestore, Storage, Functions).

Video-centric marketplace with two live streaming modes: classic live selling and auction streams where buyers bid live. (Not published yet.)

Practice app for language learners with random matching, chat, voice/video calls and word cards.

Precious metals trading platform (gold/silver/palladium/platinum). Buy, vault storage, gram wallets and transfers.

Marketplace apps for Albania without built-in payments/shipping; vendors coordinate orders post-checkout.