Cengiz Egecan Ör, Full-stack Developer in Ankara, Turkey
Cengiz Egecan Ör

Full-stack Developer in Ankara, Turkey

Member since October 23, 2020
Cengiz is a full-stack developer who excels in projects that require a deft hand with JavaScript and accompanying frameworks like React, Vue, Node.js, and Angular. Besides his expertise with React and its ecosystem, Cengiz has a firm grasp of best practices, design patterns, system design, and software architecture with cloud services. He is also experienced in building blockchain full-stack platforms using Web3 and Solidity.
Cengiz is now available for hire


  • Clean Crypto LLC
    JavaScript, React, Web3.js, Ethers.js, Ethereum
  • Veople
    React, Three.js, Canvas, Web3.js
  • Operant AI
    Amazon Web Services (AWS), JavaScript, React, Bootstrap, Redux, GraphQL



Ankara, Turkey



Preferred Environment

Jira, Git, VS Code, MacOS, MetaMask

The most amazing...

...project I've developed was the architecture and implementation of a large-scale system in a highly optimized and scalable way using React and Node.js.


  • Blockchain Front-end Developer

    2022 - 2022
    Clean Crypto LLC
    • Constructed and developed a web application using React, Redux, and the Ant design system.
    • Contributed to the NFT marketplace and gallery feature implementation using Web3, Ethers.js, and IPFS.
    • Built a Node.js back end for handling databases and services.
    Technologies: JavaScript, React, Web3.js, Ethers.js, Ethereum
  • Blockchain Front-end Developer

    2021 - 2022
    • Built pre-sale dashboard for NFT auction platform using React and Web3.
    • Worked on high-definition 3D model rendering and animations using Canvas, Three.js, and WebGL for 3D rigged model NFTs.
    • Gained good user experience of user bidding and sale process.
    Technologies: React, Three.js, Canvas, Web3.js
  • Front-end Developer

    2021 - 2021
    Operant AI
    • Built a dynamic front-end application using React and Redux by designing and implementing a responsive UX for our AWS application.
    • Interfaced with GraphQL APIs and data-heavy cloud-native services from Kubernetes.
    • Implemented Redux for state management in the front-end side—providing a good split of the data and presentation layers.
    • Worked on complex data visualizations and drawings using Canvas and Cyptoscape.js.
    Technologies: Amazon Web Services (AWS), JavaScript, React, Bootstrap, Redux, GraphQL
  • Full-stack Developer

    2021 - 2021
    Kisfali Engineering
    • Focused on a pixel-perfect UI implementation with React, Redux, Material-UI on the front-end side by using several other third-party libraries.
    • Used Firebase for the back end, a database for managing Firebase authentication, and Firestore for saving and querying, witing cloud functions for event triggers, and handling assets in google storage.
    • Worked on geolocational system management using the Google Maps API and connecting data with Firestore.
    • Implemented a role-based access system (RBAC) with Firebase authentication, custom claims, and Firestore security rules.
    Technologies: React, Firebase, Cloud Firestore, Node.js, Google Maps, MUI (Material UI)
  • Blockchain Full-stack Developer

    2020 - 2021
    Eden Network
    • Built transaction ordering protocol for Ethereum blocks, allowing network participants to guarantee placement and protection from arbitrary reordering.
    • Collaborated on implementing staging Eden coins and LP rewards using Uniswap.
    • Ensured good SEO with React, Next.js, TypeScript, and Tailwind CSS.
    • Developed blockchain full-stack with ethers.js, Subgraph, Solidity, and Hardhat.
    Technologies: Web3.js, Ethers.js, Solidity, React, Blockchain, Cryptocurrency, Ethereum
  • Full-stack Developer

    2018 - 2020
    • Leveraged React/Hook and TypeScript to create intuitive modern responsive web applications that support important business functions like customer relationship management and data analytics.
    • Developed the company's customer-facing website from scratch using React, Tailwind.css, Emotion.js, TypeScript, and Next.js.
    • Practiced test-driven-development by writing unit tests to express the code's intent using Jest, Enzyme, and Cypress.io.
    • Designed and wrote scalable RESTful APIs for providing various formats of data to the front end using Node.js and Express.js providing high security and scalability.
    • Improved the performance of the front-end application and developed custom components that fully support SSR and have excellent accessibility and SEO.
    • Worked on a project using Nest.js and TypeORM for building back-end RESTful APIs and PostgreSQL management.
    Technologies: WCAG 2, Google SEO, Contentful, MySQL, Docker, REST APIs, React, Express.js, Node.js, TypeScript, Next.js
  • Front-end Developer

    2016 - 2018
    bigO Digital
    • Refactored legacy React/Redux, Vue.js codebases for mobile compatibility using SCSS and Bootstrap in order to build responsive layout designs.
    • Optimized the React front-end product for speed, stability, and search engine ranking using tools such as Lighthouse, BrowserStack, and Storybook.
    • Worked diligently with the QA, back-end developers, and designers to inform front-end competency at every stage of our Agile software development lifecycle.
    • Reskinned the app with a new theme and designs translating them into pixel-perfect React components.
    • Wrote test cases for unit and E2E testing and ensured high coverage scores with Jest and Enzyme.
    Technologies: Docker, React, Google SEO, RESTful APIs, RESTful Development, Redux, Vue
  • Front-end Engineer

    2014 - 2016
    New Line Technologies
    • Translated design mockups to reusable and functional React components that adhere to React best practices.
    • Participated in architecture reviews for the project and implemented optimized React and Redux configuration.
    • Integrated the front end with the back end via RESTful APIs.
    Technologies: React, MUI (Material UI), Redux


  • Diply

    I worked as a full-stack developer building the company's website from scratch using Next.js, TypeScript, Tailwind.css, and Emotion.js. I also took part in architecture reviews and developed it to be high performant, WCAG compliant, and SEO compliant.

    I optimized the performance of React/Next.js and built custom components that fully support SSR and have excellent accessibility and SEO. I designed RESTful APIs and implemented them while applying the best practices for security and scalability.

  • Kisfali

    Kisfali is a workflow management system for mobile operators and tower owners. The project involved building an admin dashboard web application for a geolocational service of a telecommunication system.

    My role involved building a React application for showing and updating the telecommunication system workflow. We used Firebase for the back end with Firestore and storage for managing data and assets.

  • BigO Digital

    I worked on a Vue.js enterprise website for advertising company products and connecting with businesses. I also built the React admin dashboard for managing developers and users for the products and visualizing product sale status, metrics and statistics.


  • Languages

    JavaScript, TypeScript, GraphQL, CSS, HTML, Solidity
  • Frameworks

    Next.js, Express.js, Redux, MUI (Material UI), NestJS, Bootstrap
  • Libraries/APIs

    Node.js, Vue, React, REST APIs, Context API, Web3.js, Google Maps, Vuex, Three.js
  • Tools

    VS Code, Slack, Git, Jira, RabbitMQ, MetaMask, Canvas
  • Paradigms

    Design Patterns, Microservices, RESTful Development, Web Architecture
  • Platforms

    Docker, Contentful, Firebase, Blockchain, Amazon Web Services (AWS), MacOS, Google Cloud Platform (GCP), Ethereum
  • Storage

    MongoDB, PostgreSQL, NoSQL, Cloud Firestore, MySQL, Redis
  • Other

    Web Programming, Software Engineering, RESTful APIs, Front-end, Front-end Development, Gatsby, CSS-in-JS, TypeORM, Google SEO, AWS, WCAG 2, Data Visualization, Ethers.js, Cryptocurrency


  • Bachelor's Degree in Computer Science
    2010 - 2014
    Ankara University - Ankara, Turkey

To view more profiles

Join Toptal
Share it with others