Mehmet Fatih Karatepe
Frontend/Fullstack Developer
  • Residence:
    Turkey
  • City:
    Eskisehir
  • Age:
    26
  • Mail:
    m.fatikaratepe@gmail.com
Turkish
English
JavaScript
TypeScript
Angular
React
Vue
Next.js
NodeJS
  • HTML5
  • CSS3
  • JavaScript
  • TypeScript
  • React
  • Redux
  • React Query
  • React Router
  • React Hook Form
  • Angular
  • Angular.js
  • RxJS
  • Vue.js
  • Vite
  • Svelte
  • Styled Components
  • NestJS
  • Next JS
  • NodeJS
  • Nodemon
  • Nuxt JS
  • Ant-Design
  • Bootstrap
  • jQuery
  • JWT
  • Express.js
  • MongoDB
  • MySQL
  • Electron.js
  • SASS
  • Less
  • MUI
  • NPM
  • PNPM
  • Yarn
  • Webpack
  • TailwindCSS
  • AWS
  • Google Cloud
  • Azure
  • Git
  • GitHub
  • GitLab
  • GitHub Actions
  • Cypress
  • Jasmine
  • Jest
  • Figma
  • Storybook
  • Firebase
  • Docker
  • ESLint
  • Postman
  • Jira
  • Prettier
  • Canva
  • Postgres
  • SQLite
  • Radix UI
  • Bun

mfkdev

<code> I can build </code>
6+
Years Experience
100+
Completed Projects

My Services

Web Development
I develop modern, scalable, and user-focused web applications. I combine clean architecture with efficient development practices to deliver fast, secure, and reliable digital experiences across platforms.
Frontend Development
I build high-quality, responsive, and maintainable frontend applications. I specialize in creating intuitive user interfaces, optimizing performance, and delivering seamless user experiences with modern JavaScript frameworks.
Backend Development
I design and build secure, scalable, and high-performance backend systems. My expertise includes crafting efficient API architectures, implementing complex business logic, and ensuring reliable data flow across distributed applications.
SSR Optimization
I optimize Server-Side Rendering workflows to enhance performance, improve SEO, and deliver faster first-paint experiences. My focus is on reducing server load, streamlining rendering pipelines, and ensuring consistent, high-quality delivery across modern web applications.

Education

Freelance Porjects

Work History

HakanBT
Frontend Developer & Team Lead
jun 2020 - feb 2022

Developed and maintained dynamic websites, e-commerce platforms, and content management systems (CMS) using Vue.js.

Engineered custom reusable components and modular architecture, reducing development time by 20% and improving long-term scalabipty.

Integrated third-party APIs (payment gateways, shipment tracking, and analytics) to extend business functionapty and improve customer experience.

Optimized frontend performance with code-spptting, caching strategies, and image optimization, reducing average page load times by 30%.

Collaborated with backend developers to design RESTful APIs and ensure efficient cpent-server communication.

Introduced automated testing (Jest, Cypress) and code review standards, increasing repabipty and reducing post-deployment bugs by 40%.

Implemented SEO-friendly structures and schema markup, improving website visibipty and organic traffic for cpent businesses.

Worked closely with UI/UX designers to depver responsive, pixel-perfect interfaces that increased user engagement by 25%.

Provided technical mentorship to junior developers, assisting in modernizing project workflows with Git, ESpnt, and Prettier.

Projects
Alphastellar / Hyper Company
Frontend Developer
apr 2022 - oct 2024

Designed, developed, and maintained enterprise-level HR and workforce management applications using Angular, React, and React Native, serving 5,000+ active users.

Led the migration of legacy AngularJS modules to modern Angular and React architectures, improving maintainability and modularity.

Developed cross-platform mobile applications with React Native and Expo, reducing development time by 20% and ensuring consistent UI/UX across devices.

Implemented state management with NgRx, Redux, and Context API, ensuring predictable and maintainable data flows across complex components.

Optimized user interfaces for accessibility (WCAG compliance) and responsiveness, improving user satisfaction by 15%.

Designed custom hooks, reusable form builders, and shared UI components, increasing reusability and reducing redundancy in codebases.

Enhanced application performance by implementing lazy loading, route-based code splitting, and dynamic imports, leading to faster load times.

Collaborated closely with backend and UX teams to integrate REST APIs, conduct A/B testing, and deliver intuitive user journeys that improved workflow efficiency by 25%.

Participated in Agile/Scrum processes, including sprint planning, task estimation, and release retrospectives, contributing to consistent delivery and quality

Projects
NES Bilgi / NES Transform
Frontend Developer
oct 2024 - jan 2025

Contributed to building an open-source design system using React and TypeScript, enabling scalable and reusable UI components.

Designed and developed dynamic dashboards and forms, improving workflow automation for digital transformation products.

Worked closely with UI/UX designers to ensure pixel-perfect implementation and responsive design across multiple screen sizes.

Integrated API data visualization tools using libraries like Recharts and React Query, enhancing reporting performance.

Improved frontend build performance by 30% through optimized bundling, lazy loading, and memoization techniques.

Implemented i18n (internationalization) and theme support (dark/light mode) for multi-tenant applications.

Collaborated in an Agile environment, participating in sprint planning, daily stand-ups, and release reviews to ensure timely delivery.

Projects
Mersel
Frontend Developer
jan 2025 - current

Developing advanced frontend modules for enterprise-scale digital transformation systems using React, TypeScript, and Vite.

Leading the refactoring and migration process from legacy codebases to a modern, reusable component-driven architecture.

Implementing custom hooks, context management, and performance optimization techniques to improve rendering efficiency.

Integrating design tokens and Storybook documentation into the open-source design system for consistent UI patterns.

Collaborating with backend teams on API integration (REST & GraphQL). Conducting code reviews and mentoring junior developers, ensuring adherence to clean code and

accessibility standards (WCAG 2.1).

Enhancing deployment pipelines with Docker and GitHub Actions, ensuring stable and automated releases

Projects

Tech Stack

HTML5 CSS3 JavaScript TypeScript React Redux React Query React Router React Hook Form Angular Angular.js RxJS Vue.js Vite Svelte Styled Components NestJS Next JS NodeJS Nodemon Nuxt JS Ant Design Bootstrap jQuery JWT Express.js MongoDB MySQL Electron.js SASS Less MUI NPM PNPM Yarn Webpack TailwindCSS AWS Google Cloud Azure Git GitHub GitLab GitHub Actions Cypress Jasmine Jest Figma Storybook Firebase Docker ESLint Postman Jira Prettier Canva Postgres SQLite Radix UI Bun

Mehmet Fatih Karatepe