# Eray Günüuygun

> Eray Günüuygun (also known as Xjectro) is a Full Stack Developer based in Türkiye, working remotely, with 3+ years of production experience in TypeScript, Next.js, React, ASP.NET Core and Node.js. Eray builds e-commerce platforms, financial dashboards and high-traffic backends.

## Key facts

- Role: Full Stack Developer
- Currently: Full Stack Developer at ALENÉ (part-time)
- Location: Türkiye · Remote
- Remote, production experience: 3+ yrs
- Daily users served: 100K+
- API requests per day: ~2M
- Average API response time: ~124 ms
- Languages: Turkish (Native), English (Upper Intermediate · B2), German (Elementary · A2)
- Contact: xjectro@gmail.com
- Website: https://www.xjectro.com
- Profile: https://github.com/Xjectro
- Profile: https://linkedin.com/in/xjectro
- Profile: https://www.instagram.com/eraygunuygun/

## Experience

### ALENÉ — Ankara, Türkiye · Remote

**Full Stack Developer (Part-time)** · May 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

### Meşhur — İstanbul, Türkiye · Remote

**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

### Blucka — Dubai, UAE · Remote

**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

## 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 — HackerRank](https://www.hackerrank.com/certificates/e89056c50b67)
- [Java (Basic) Certificate — HackerRank](https://www.hackerrank.com/certificates/23734843be8a)
- [Python (Basic) Certificate — HackerRank](https://www.hackerrank.com/certificates/23734843be8a)
- [Frontend Developer (React) Certificate — HackerRank](https://www.hackerrank.com/certificates/9c676c0fe903)
- [JavaScript (Intermediate) Certificate — HackerRank](https://www.hackerrank.com/certificates/521ef418be4b)

## Side projects

Personal iOS projects built outside of work (not a professional iOS role):

- **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. App Store: https://apps.apple.com/app/tiny-chaos/id6831952570. Pages: [support](https://www.xjectro.com/Tiny-Chaos/support), [privacy](https://www.xjectro.com/Tiny-Chaos/privacy)
- **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. Pages: [support](https://www.xjectro.com/Namaz-Vakti/support), [privacy](https://www.xjectro.com/Namaz-Vakti/privacy)
- **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. Pages: [support](https://www.xjectro.com/Hidro/support), [privacy](https://www.xjectro.com/Hidro/privacy)

## Optional

- [Home page](https://www.xjectro.com): experience, skills, side projects and contact
- [Sitemap](https://www.xjectro.com/sitemap.xml)