Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I'm a senior full-stack blockchain developer from Turkey with 4+ years of professional experience building production-grade Web3 applications across DeFi, NFT marketplaces, and Telegram MiniApps. I specialize in Solidity and TON/Tact smart contract development with comprehensive testing using Foundry and Hardhat, and I excel at Ethereum/EVM integration and multi-stack frontend/backend development using Next.js, NestJS, React, and Ethers.js. I secured government funding (TÜBİTAK) for blockchain R&D and speak on Web3 topics at conferences. I’ve architected and deployed numerous microservice ecosystems and led projects from concept to production while prioritizing security, performance, and reliability.…I'm a senior full-stack blockchain developer from Turkey with 4+ years of professional experience building production-grade Web3 applications across DeFi, NFT marketplaces, and Telegram MiniApps. I specialize in Solidity and TON/Tact smart contract development with comprehensive testing using Foundry and Hardhat, and I excel at Ethereum/EVM integration and multi-stack frontend/backend development using Next.js, NestJS, React, and Ethers.js. I secured government funding (TÜBİTAK) for blockchain R&D and speak on Web3 topics at conferences. I’ve architected and deployed numerous microservice ecosystems and led projects from concept to production while prioritizing security, performance, and reliability.

Eren Lokman

PRO

Blockchain Developer, Full Stack Developer, Web Developer, +2





I'm a senior full-stack blockchain developer from Turkey with 4+ years of professional experience building production-grade Web3 applications across DeFi, NFT marketplaces, and Telegram MiniApps. I specialize in Solidity and TON/Tact smart contract development with comprehensive testing using Foundry and Hardhat, and I excel at Ethereum/EVM integration and multi-stack frontend/backend development using Next.js, NestJS, React, and Ethers.js. I secured government funding (TÜBİTAK) for blockchain R&D and speak on Web3 topics at conferences. I’ve architected and deployed numerous microservice ecosystems and led projects from concept to production while prioritizing security, performance, and reliability.…I'm a senior full-stack blockchain developer from Turkey with 4+ years of professional experience building production-grade Web3 applications across DeFi, NFT marketplaces, and Telegram MiniApps. I specialize in Solidity and TON/Tact smart contract development with comprehensive testing using Foundry and Hardhat, and I excel at Ethereum/EVM integration and multi-stack frontend/backend development using Next.js, NestJS, React, and Ethers.js. I secured government funding (TÜBİTAK) for blockchain R&D and speak on Web3 topics at conferences. I’ve architected and deployed numerous microservice ecosystems and led projects from concept to production while prioritizing security, performance, and reliability.

Available to hire

Mersin, Turkey

I’m a senior full-stack blockchain developer from Turkey with 4+ years of professional experience building production-grade Web3 applications across DeFi, NFT marketplaces, and Telegram MiniApps. I specialize in Solidity and TON/Tact smart contract development with comprehensive testing using Foundry and Hardhat, and I excel at Ethereum/EVM integration and multi-stack frontend/backend development using Next.js, NestJS, React, and Ethers.js.

I secured government funding (TÜBİTAK) for blockchain R&D and speak on Web3 topics at conferences. I’ve architected and deployed numerous microservice ecosystems and led projects from concept to production while prioritizing security, performance, and reliability.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Turkish

Advanced

English

Fluent

Work Experience

Full-Stack Developer at ePOINT

July 1, 2025 - Present

Built a multi-tier cashback platform with energy points system, multi-level affiliates, payout integration, and QR verification. Implemented Stripe payments, role-based dashboards, and a responsive UI. Delivered secure onboarding and automated billing workflows with a strong emphasis on data integrity and performance.

Full-Stack Blockchain Developer at DecentraHubs

December 1, 2024 - Present

Architected a multi-chain Web3 gaming ecosystem with microservices, TON and Ethereum/EVM integration, Redis caching to reduce API latency, and a reusable TypeScript SDK for game components. Implemented TON smart contracts (Tact/FunC) and deployed NFT systems; built load-balanced NestJS backend with CI/CD and Docker multi-stage builds.

Blockchain Developer at Meletto - Jammy Web3 Gaming Platform

July 1, 2025 - December 31, 2025

Developed full-stack Web3 platform for real-time multiplayer games, including NFT minting with IPFS metadata (Pinata), Redis-backed real-time state management, and social authentication flows. Implemented OCR-based quest validation and AI-assisted moderation tooling.

Full-Stack Blockchain Developer at Papu Games

September 1, 2024 - November 30, 2024

Built Papu Staking App using Solidity with comprehensive test coverage (Hardhat, Foundry), designed pooling logic, APY management, and withdrawal penalties. Implemented Papu Earn Telegram MiniApp and a mempool watcher for real-time transaction analytics.

Blockchain Developer at Slash WebApp

May 1, 2023 - August 31, 2024

Developed core smart contracts for Slash Super App, integrated with Ethers.js, built Domain Name Service contracts with Foundry/Hardhat, and contributed backend for a Strapi-based AR-powered app. Also worked on NFT marketplace and Web3 integrations.

Web3 Developer at Spintop Network

February 1, 2022 - May 31, 2023

Integrated Solidity-based smart contracts with backend/frontend using Ethers.js, built Spintop Launchpad with Svelte/SvelteKit, and maintained Spintop DEX with high uptime and performance optimizations. Also created a Discord bot for community tasks and token events.

Full Stack Developer at Fexobit

August 1, 2021 - February 28, 2022

Built a cryptocurrency exchange web app from ground up using AngularJS and TypeScript; implemented backend trading logic, wallet operations, and admin panel for monitoring transactions. Secured TÜBİTAK grant for NFT-related project development.

Full-Stack Developer & Architect at HotDog Rise

June 1, 2025 - December 31, 2025

Architected microservice ecosystem (Main Back end API, Games Back end, Telegram Bot, CMS); TON NFT minting with IPFS (Pinata); hybrid database (MongoDB + PostgreSQL) with TypeORM migrations; Redis distributed locking; real-time tapping, energy system, season rankings.

Blockchain Developer at Slash WebApp API Slash

May 1, 2023 - August 31, 2024

Developed core smart contracts in Solidity; integrated with Ethers.js & TypeScript; built Domain Name Service contracts (Foundry & Hardhat); backend infrastructure for AR-powered Strapi app; contributed to NFT marketplace components.