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beytullah-gn/README.md

Beytullah Gunaydin

Full Stack Developer • Web • Mobile • Backend • Telegram Mini Apps • Directus Systems

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About Me

I am a Full Stack Developer focused on building production-grade products across frontend, backend, mobile, and AI-assisted platforms.

  • Strong real-world delivery experience in React, Next.js, Node.js, Directus, MySQL, React Native, and Telegram Mini Apps.
  • Built end-to-end systems: authentication flows, payment integrations, role-based access models, queue workers, and real-time features.
  • Comfortable in high-responsibility ownership: architecture decisions, development, optimization, publishing, and long-term maintenance.
  • Product mindset with engineering discipline: scalability, reliability, clean structure, and measurable business value.

What I Build

  • Scalable Web Platforms
    • Next.js and React applications with SSR/SSG, i18n, SEO, role-based routing, and robust token flows.
  • Backend and CMS-Driven Systems
    • Node.js/Express and Directus-based platforms with JWT/session auth, webhooks, cron jobs, and payment pipelines.
  • Mobile Applications
    • React Native (Expo + CLI) apps for iOS and Android, including push notifications, secure auth, and store release workflows.
  • Telegram Mini Apps
    • Real-time and gamified apps integrated with bot ecosystems, payment channels, and leaderboard/affiliate mechanics.
  • AI-Integrated Products
    • Multi-model orchestration, queue-based workloads (Redis + BullMQ), and admin-manageable AI service platforms.

Core Stack

Core stack icons

Backend and Infra

  • Node.js, Express, Directus, REST API, WebSocket
  • Redis, BullMQ, cron jobs, webhook integrations
  • JWT auth, role/permission models, session and refresh-token flows

Frontend and Mobile

  • React, Next.js, TypeScript, JavaScript
  • React Native (Expo + CLI), NativeWind/CSS, Redux/Context
  • i18n architecture, responsive design, metadata and SEO optimization

Integrations and Product Features

  • Stripe, PayTR, NowPayments, RevenueCat
  • Telegram bot and Mini App SDK integration
  • Cloud storage, file workflows, notification systems, moderation and admin tooling

Selected Work Highlights

ClipmaticAI

AI-powered video generation platform with multi-stage pipelines (story, visuals, voice, subtitles, animation), plus membership, payment, and queue orchestration.

LumixGen

A large-scale AI platform hosting 200+ models with multilingual support, token economics, role-based governance, and operational performance controls.

PvpBlackjack Telegram Mini App

Real-time PvP blackjack system with custom game logic, phase/round orchestration, and fully owned backend + frontend implementation.

SignalXpert

Full ecosystem delivery (backend, admin panel, website, mobile) for real-time forex/crypto signal distribution with subscription logic and secure session controls.

TaskShare

CRM-style mobile application with hierarchical permissions, department-based ticket architecture, messaging, and extensive device capability integrations.

Most production projects were developed for private repositories and enterprise/client environments.


GitHub Stats Note

Many of my main projects are private repositories. Because of that, public GitHub stats widgets can under-represent my real output and production activity.

GitHub stats Top languages


Current Focus

  • Building robust AI-enabled products with clean orchestration layers
  • Scaling Directus-centered backend systems for multi-team usage
  • Shipping maintainable full-stack solutions with strong UX and reliable business flows

Contact

Open to impactful product development and challenging engineering opportunities.

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