Cihan Erken
Full-Stack / React Developer
Bursa, Turkey · 9+ years experience
React & Node.js Web3 / DeFi Real-time systems

Full-Stack / React Developer focused on real-time web apps and web3 integrations. Experienced with EVM-based DeFi products, wallet & smart contract interactions (wagmi, RainbowKit, viem) and end-to-end delivery from API design to deployment.

Stack: React, React Native, Node.js, TypeScript, MongoDB, SQLite, Redux / Zustand, React Query, web3.js, ethers.js, wagmi, RainbowKit, Docker, Nginx, PM2, DigitalOcean, Vercel.

Selected Projects

Cryptid TCG
Web3 Trading Card Game

Browser-based trading card game with real-time battles, matchmaking, turn timers and bot logic. Custom battle engine and game state management with web3 integrations for assets and progression.

React (Vite) Zustand styled-components Node.js · Socket.IO MongoDB EVM · web3
CryptoHunter
P2E · M2E (BSC)

BSC-based play-to-earn and move-to-earn mobile app built with React Native. Users earn rewards through both in-game actions and physical movement. The app is under active development; public website is live and showcases the concept and ecosystem.

React Native BSC P2E / M2E web3 integrations
Cryptid Hunter Telegram Mini App
TON · Play-to-Earn

Telegram Mini App built on TON with play-to-earn mechanics and tokenization. Users interact through Telegram to perform game actions, earn rewards and interact with on-chain assets via a lightweight interface.

TON Telegram Mini App Play-to-earn
Nixiee
Steem Delegation Bot

Nixiee is a Steem-based bot that allows users to receive votes with up to 20x the Steem Power they delegate. It provides regular daily votes and lets users earn Steem even when they are not actively writing. Worked on the web frontend, automation logic and blockchain integration.

React Node.js steem.js Automation
RobiniaSwap Integrations
DeFi · BSC

Contributed to tools and integrations around RobiniaSwap, a DeFi protocol on BSC that includes yield farming and AMM features. Focused on web3 connections, interaction flows and supporting frontend / service logic.

web3.js / ethers.js BSC DeFi
Pollective
Feedback Platform

Research and feedback platform where users join studies and earn rewards (Carrot / Polly). Worked on React-based UI, API integrations and state management to support large-scale participation and smooth flows for both participants and researchers.

React SCSS Redux REST APIs