Yasin Eryılmaz / Istanbul, Turkey

Building modern web applications with 7+ years of experience.

Frontend Developer focused on building clean, fast, and scalable web interfaces with React.js and Next.js. Experienced in the full development lifecycle—from frontend architecture to backend integration (Node.js, PostgreSQL) and containerization with Docker.

Skills

The technology stack I use across the entire product lifecycle, from modern frontend architectures to backend services and production infrastructure.

Frontend

Fast, accessible, and scalable product interfaces.

  • React.js
  • Next.js
  • TypeScript
  • JavaScript (ES6+)
  • HTML5
  • CSS3
  • SCSS
  • Redux
  • TanStack Query
  • Context API
  • Zustand
  • Tailwind CSS
  • shadcn/ui
  • Material UI (MUI)
  • Bootstrap
  • Emotion
  • Styled-components
  • Ant Design
  • Vitest
  • Playwright
  • React Testing Library

Backend & Data

Reliable services, relational data models, and scalable application architecture.

  • Node.js
  • Express.js
  • Supabase
  • PHP
  • PostgreSQL
  • MySQL
  • SQL
  • Drizzle ORM
  • Redis (Upstash)
  • REST APIs
  • Integration Testing
  • Database Management

DevOps & Cloud

Containerized infrastructure, cloud platforms, and automated delivery pipelines.

  • AWS
  • DigitalOcean
  • VPS Deployment
  • Nginx
  • Linux Server Environments
  • Vercel
  • Railway
  • Netlify
  • Docker
  • GitHub Actions
  • GitLab CI/CD

Tooling

Build systems, code-quality workflows, and design collaboration tools.

  • Webpack
  • Babel
  • Git
  • SonarQube
  • Figma
  • Zeplin
  • Adobe XD
  • Adobe Photoshop

Career Journey

Experience

7+ years of experience across product development, e-commerce, and enterprise projects, from ideation to production delivery.

  1. Hotel Management Automation

    Full-Stack Developer

    2023 — Present

    Built a custom hotel management and reservation system from scratch using React.js, TypeScript, and Node.js.

    Managed user authentication with Context API and optimized data fetching with TanStack Query and Axios.

    Designed a relational MySQL database for room and booking states and deployed the application to a private server.

    React.jsTypeScriptNode.jsTanStack QueryAxiosMySQL
    Istanbul, TürkiyeFreelance / Remote
    Experience 1
  2. Metus

    Frontend Developer

    08/2021 — 09/2026

    Contributed to Metance with React.js by delivering new features, resolving complex bugs, and improving UI/UX states.

    Built and optimized the Metance landing page with Next.js to improve page-load performance and maintainability.

    Managed state and data flow with TypeScript, TanStack Query, and Context API; integrated SignalR/WebSockets for real-time streaming and instant updates.

    Integrated AI tools and DevOps workflows with Docker and SonarQube to improve code quality and local build reliability.

    React.jsNext.jsTypeScriptTanStack QuerySignalRDockerSonarQube
    Istanbul, TürkiyeFull-time
    Experience 2
  3. Frontend Developer

    09/2020 — 08/2021

    Implemented frontend enhancements and bug fixes for high-traffic e-commerce brands including Vakko, A101, English Home, and DS Damat.

    Developed responsive UI components with JavaScript, HTML, CSS, and SCSS and integrated frontend layouts with Python/Jinja backend templates.

    Resolved cross-browser compatibility issues and optimized web performance across large-scale e-commerce systems.

    JavaScriptHTML5CSS3SCSSPython / Jinja
    Istanbul, TürkiyeFull-time
    Experience 3
  4. Detroit Digital

    Frontend Developer

    04/2019 — 07/2020

    Developed and launched corporate and e-commerce websites from scratch with pixel-perfect, responsive implementations.

    Managed deployments and ongoing maintenance for multiple client projects using HTML, CSS, JavaScript, PHP, Laravel, and WordPress.

    HTML5CSS3JavaScriptPHPLaravelWordPress
    Istanbul, TürkiyeFull-time
    Experience 4

Projects

Featured Works

Emre Makine — Jewelry Machinery

A corporate website built with Next.js for a client selling and repairing jewelry machinery, featuring scroll-driven animations developed with GSAP.

  • Developed a client website with Next.js to present jewelry machinery sales and repair services.
  • Created scroll-driven animations using GSAP.

Technology stack

  • Next.js
  • GSAP

Gençoğlu Ergün Law Firm

A corporate law firm website completed with HTML, CSS, and JavaScript while working with Detroit Digital and Dimba.

  • Developed a responsive website presenting the law firm's services and corporate identity through a clear interface.
  • Completed the frontend implementation with HTML, CSS, and JavaScript while working with Detroit Digital and Dimba.

Technology stack

  • HTML5
  • CSS3
  • JavaScript

Sporcu Diyetisyenim

A WordPress-based corporate website presenting sports nutrition services, completed while working with Detroit Digital and Dimba.

  • Completed a corporate WordPress website presenting sports nutrition and dietitian services through an accessible content structure.
  • Delivered the project to production while working with Detroit Digital and Dimba.

Technology stack

  • WordPress

EasyJot — Personal Finance Tracker

A full-stack personal finance tracker built with Next.js, Node.js, PostgreSQL, and Drizzle ORM using a multi-container Docker architecture.

  • Developed a full-stack personal finance and expense tracking application with a multi-container Docker architecture.
  • Designed relational PostgreSQL models with Drizzle ORM and configured reproducible local development environments.

Technology stack

  • Next.js
  • Node.js
  • PostgreSQL
  • Drizzle ORM
  • Docker

Developer Portfolio & Platform

A personal developer platform built with Next.js, TypeScript, PostgreSQL, and Drizzle ORM, supported by caching, CI/CD, and Docker infrastructure.

  • Built a personal developer portfolio from scratch using Next.js, TypeScript, and React Server Components.
  • Designed a relational PostgreSQL schema with Drizzle ORM and integrated Redis for caching and rate limiting.
  • Implemented automated CI/CD workflows with GitHub Actions and containerized the application with Docker.

Technology stack

  • Next.js
  • TypeScript
  • PostgreSQL
  • Drizzle ORM
  • Redis
  • Docker
  • GitHub Actions

Let's work together

Get in Touch

Share your project—whether it is a new product, scaling an existing system, or a technical collaboration. I will get back to you as soon as possible.