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Currently Full Stack Developer at ALENÉ
Eray Günüuygun

Eray Günüuygun — Türkiye · Remote

Full Stack Developer building fast, scalable web apps.

TypeScript, Next.js and React on the frontend; ASP.NET Core and Node.js on the backend. I redesigned the backend infrastructure of a marketplace serving 100K+ daily users.

See my experienceGet in touch
eray.ts
const eray = {
  role: 'Full Stack Developer',
  location: 'Türkiye · Remote',
  frontend: ['TypeScript', 'Next.js', 'React'],
  backend: ['ASP.NET Core', 'Node.js'],
  data: ['Redis', 'Elasticsearch', 'Kafka'],
  cloud: ['Google Cloud', 'Docker', 'Kubernetes'],
  experience: 3, // years, remote
};
Remote, production experience
3+ yrs
Daily users served
100K+
API requests per day
~2M
Average API response time
~124 ms

01Experience

Where I’ve been building

Three remote teams across Türkiye and the UAE — from marketplace infrastructure to AI-powered products.

  1. May 2026 — Present

    ALENÉ

    Ankara, Türkiye · Remote

    • TypeScript
    • Next.js
    • React
    • Appwrite

    Full Stack Developer · Part-time

    CurrentMay 2026 — Present

    Develop e-commerce platforms, blogs, financial dashboards and other web applications with TypeScript, Next.js, React and Appwrite, working closely with product and design teams.

    • Build and ship features end to end across frontend and backend for multiple client-facing products
    • Lead SEO and web performance work to improve search visibility, Core Web Vitals and page speed
    • Integrate third-party services, including BuyBox, into e-commerce platforms
  2. May 2025 — Feb 2026

    Meşhur

    İstanbul, Türkiye · Remote

    • ASP.NET Core
    • Next.js
    • Redis
    • Elasticsearch
    • RabbitMQ
    • Kafka
    • Kubernetes
    • Google Cloud

    Frontend Developer · with backend responsibilities

    May 2025 — Feb 2026

    Joined as a frontend developer on a large-scale Next.js marketplace, took on backend work alongside it, and led the backend infrastructure redesign in the final months.

    • Redesigned the marketplace backend on ASP.NET Core 10, serving 100K+ daily users (~2M requests/day) at ~124 ms average API response time
    • Introduced caching, search and messaging with Redis, Elasticsearch, RabbitMQ and Kafka
    • Deployed and operated containerized services on Google Cloud with Docker and Kubernetes
    • Refactored and modularized the Next.js codebase using Clean Code and SOLID principles
    • Built new features and reusable UI components with TailwindCSS, Shadcn/ui and Storybook
    • Introduced unit testing with Jest and integrated Google Ads and Meta Pixel tracking
  3. Sep 2023 — Mar 2025

    Blucka

    Dubai, UAE · Remote

    • Next.js
    • TypeScript
    • Telegram Mini Apps

    Full Stack Developer

    May 2024 — Mar 2025
    • Built Telegram Mini Apps with Next.js and TypeScript and maintained several production web applications
    • Owned frontend–backend integration and API communication between services
    • Resolved frontend stability issues to improve reliability and user experience

    Frontend Developer

    Sep 2023 — May 2024
    • Built UI components for Punky AI, a Discord automation bot with AI-driven features that was recommended by Discord and used in the servers of well-known NBA players
    • Integrated the UI with backend services in a cross-functional team

02About

Full stack, end to end.

Portrait of Eray Günüuygun

Eray Günüuygun

Full Stack Developer · Türkiye · Remote

I’m Eray, a Full Stack Developer with 3+ years of remote experience building production web applications — TypeScript, Next.js and React on the frontend, ASP.NET Core and Node.js on the backend.

At Meşhur I redesigned the backend of a marketplace serving 100K+ daily users. Today I build e-commerce platforms, financial dashboards and content sites end to end, with a focus on SEO, web performance and third-party integrations.

Languages

  • TurkishNative
  • EnglishUpper Intermediate · B2
  • GermanElementary · A2

Reference

Berkan Sönmez

Head of MENAT Creator Network & Agency Community Operations, TikTok LIVE

Collaborated on Punky AI at Blucka · Contact details available upon request

Skills

Languages

  • TypeScript
  • JavaScript
  • C#
  • SQL

Frontend

  • React
  • Next.js
  • TailwindCSS
  • Shadcn/ui
  • Storybook

Backend

  • ASP.NET Core
  • Node.js
  • RESTful APIs
  • Appwrite

Data & Messaging

  • Redis
  • Elasticsearch
  • RabbitMQ
  • Kafka

Cloud & DevOps

  • Google Cloud
  • Docker
  • Kubernetes

Other

  • Jest
  • SEO
  • Core Web Vitals
  • Google Ads
  • Meta Pixel

Certifications

C# (Basic) Certificate

C# (Basic)

HackerRank

Java (Basic) Certificate

Java (Basic)

HackerRank

Python (Basic) Certificate

Python (Basic)

HackerRank

Frontend Developer (React) Certificate

Frontend Developer (React)

HackerRank

JavaScript (Intermediate) Certificate

JavaScript (Intermediate)

HackerRank

03Side projects

Things I build for fun

Personal projects outside of work — two iOS apps and a mobile game I designed and built on my own.

Tiny Chaos screenshot
On the App StoreiOS · iPadOS

Tiny Chaos

3D party royale game

A cute, chaotic 3D party royale where you race 29 AI rivals through physics obstacle courses, survive the eliminations and grab the crown. Built with Unity 6; every piece of content, from characters and courses to UI, sound and music, is generated procedurally in code.

  • 30-player races, 4 elimination rounds and a procedurally generated course every round
  • 8 worlds, 13 obstacle types and AI rivals with personalities that predict hazards
  • Custom HLSL toon/outline shaders, ragdoll tumbles and haptic feedback
  • Fully playable offline, with 15 costumes and a coin shop
Unity 6C#URPHLSLLevelPlay
App StoreSupportPrivacy
Namaz Vakti screenshot 2Namaz Vakti screenshot 1Namaz Vakti screenshot 3
Coming sooniOS · iPadOS

Namaz Vakti

Prayer times, adhan and qibla

A clean, elegant prayer times app that works without an internet connection. Times are calculated astronomically on device using the Diyanet method, and your location never leaves the phone. Built natively with SwiftUI.

  • Adhan notification when prayer time begins, live countdown to the next prayer
  • Live Activity on the Lock Screen and Dynamic Island, plus home screen widgets
  • Qibla compass with haptic feedback and a 30-day prayer schedule
  • Living sky theme that changes with the time of day, with a sun path chart
SwiftSwiftUIWidgetKitActivityKitStoreKitAdMob
SupportPrivacy
Hidro
In developmentiOS 17+

Hidro

Water tracking for athletes

A hydration tracker that calculates a personal daily water goal from your weight, workouts and sweat rate. It syncs with Apple Health and lets you log water from the Lock Screen with one tap during training.

  • Personal daily goal based on weight, training intensity and hot climate
  • Sweat rate test by weighing yourself before and after training
  • Live Activity for training sessions and interactive widgets
  • Hydration factor per drink type, streaks and smart reminders
SwiftSwiftUIHealthKitWidgetKitActivityKitApp Intents
SupportPrivacy

Contact

Have a project in mind?
Let’s build it.

Building an e-commerce platform, a dashboard or a high-traffic backend? I’d love to hear about it.

[email protected]
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© 2026 Eray Günüuygun. All rights reserved.

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