Freelance Smart Contract Engineers

Freelance Smart Contract EngineersFreelance Smart Contract Engineers

Projects People

Hritwik Tripathi

proDelhi, India

AI Automation | Full-Stack Dev | Web3 | 8× 🏆 Hackathon

5.0: Rating

30: Followers

AI Automation | Full-Stack Dev | Web3 | 8× 🏆 Hackathon

Cover image for 🏆 Hack Gujarat Winner - Sahyogi

🏆 Hack Gujarat Winner - Sahyogi

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Cover image for KEKW Arcade 🐸 - DeFiSummer 2021 Winner

KEKW Arcade 🐸 - DeFiSummer 2021 Winner

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Cover image for PPD Calculator

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Cover image for SnipeMe Clipping Tool Development

SnipeMe Clipping Tool Development

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Smart Contract Engineer(2)

proIslamabad, Pakistan

Blockchain & AI Engineer | Web3, DeFi, Full-Stack

5.0: Rating

5: Followers

Blockchain & AI Engineer | Web3, DeFi, Full-Stack

Cover image for NiC - Nickel-Backed Blockchain RWA Platform

NiC - Nickel-Backed Blockchain RWA Platform

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Cover image for Blenix - EVM Blockchain & DeFi Ecosystem

Blenix - EVM Blockchain & DeFi Ecosystem

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Cover image for Pioneering the First DEX on

Pioneering the First DEX on the DRc20 Network with Doge Integration 🚀

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Cover image for Bitcoin is more than a

Bitcoin is more than a cryptocurrency. It’s a new way of thinking about value. Unlike traditional money that can be created by central authorities, Bitcoin operates on open-source code, cryptography, and a decentralized network that anyone can verify. With a fixed supply of 21 million coins, scarcity is built into its design not decided by policy. That’s why Bitcoin is described in so many ways. Bitcoin is money because it can be transferred globally. Bitcoin is property because you can truly own it. Bitcoin is software because it exists as open-source code. Bitcoin is math because cryptography secures every transaction. Bitcoin is an asset because people store value in it. Bitcoin is a currency because it enables peer-to-peer payments. Bitcoin is information because every transaction becomes part of a transparent ledger. Bitcoin is freedom because participation doesn’t require permission. To some, Bitcoin is digital gold. To others, it’s a savings technology, a payment network, or simply a hedge against inflation. Whether you’re optimistic or skeptical, one thing is undeniable: Bitcoin has sparked a global conversation about what money can be in a digital world.

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Smart Contract Engineer(3)

Toronto, Canada

Founder & CEO

24: Followers

Founder & CEO

Cover image for Blockchain Betting Game DApp

Blockchain Betting Game DApp

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Cover image for Token Launchpad

Token Launchpad

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Cover image for Presale for Token on Any chains

Presale for Token on Any chains

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Cover image for Token Staking

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Smart Contract Engineer(4)

Malerkotla, India

Full Stack Dev | AI Engineer | Web3 & Blockchain Dev

Full Stack Dev | AI Engineer | Web3 & Blockchain Dev

Cover image for AgriChain is a revolutionary blockchain-based

AgriChain is a revolutionary blockchain-based agricultural supply chain platform that creates direct connections between farmers and consumers through transparent, secure, and traceable transactions. • Built with cutting-edge Web3 technologies and React 19, this comprehensive platform eliminates intermediaries in agricultural trade while ensuring complete transparency and security through blockchain technology. • The platform features advanced IPFS integration for decentralized file storage, multi-network support across Ethereum, Polygon, and Base networks, and sophisticated smart contract-based escrow systems. • Farmers can register produce with quality certificates, manage inventory, and receive secure payments, while consumers enjoy direct access to fresh produce with complete traceability and quality verification. • The platform includes real-time order management, delivery tracking, automated refund systems, and comprehensive analytics dashboards. • With its modern responsive design, advanced blockchain integration, and focus on agricultural sustainability, AgriChain represents the future of agricultural commerce and supply chain management.

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Cover image for WalletX is a revolutionary multi-chain

WalletX is a revolutionary multi-chain DeFi platform that introduces the world's first temporary wallet technology combined with AI-powered user assistance and comprehensive QR code integration. • This groundbreaking platform operates across 8 EVM networks including Base, Lisk, Polygon, Ethereum, BNB, ZetaChain, Somnia, and Citrea, providing a unified DeFi experience with advanced escrow functionality. • The platform features innovative disposable wallet creation for enhanced privacy and security, smart contract-powered trustless P2P transactions, and integrated Gemini AI assistance for real-time user support. • WalletX includes complete QR code generation and scanning capabilities, AWS SNS email notifications for transaction alerts, and professional mobile-responsive design. • The platform addresses real-world DeFi challenges including trust issues in P2P transactions, privacy concerns, and complex multi-chain interactions. • With its production-ready architecture, advanced security measures, and innovative features, WalletX sets new standards for DeFi platforms and multi-chain wallet management. LIve : https://walletx.software

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Cover image for Sortify: Ball Sort Puzzle (Android

Sortify: Ball Sort Puzzle (Android Game) Developed and published a complete Android puzzle game focused on color sorting mechanics, user engagement, and brain-training gameplay. Key Contributions • Designed and developed the complete game from concept to production release. • Published successfully on Google Play Store under CK Tech Hub. • Built smooth and responsive gameplay with intuitive touch controls. • Implemented Undo, Restart, and Hint systems to improve user experience. • Designed a modern and engaging UI optimized for mobile devices. • Created multiple challenging puzzle levels with increasing difficulty. • Optimized game performance for Android devices running Android 10+. • Integrated Google Play Store listing, screenshots, promotional assets, and release management. • Achieved a 4.9★ user rating with positive player feedback. • Focused on cognitive skill development, logical thinking, and problem-solving mechanics. Link: https://play.google.com/store/apps/details?id=com.cktechhub.games&hl=en_IN

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Cover image for Tic Tac Toe – Android

Tic Tac Toe – Android Mobile Game Developed and published a modern Tic Tac Toe mobile game for Android, designed to provide an engaging and interactive gaming experience for users of all age groups. The game features intelligent AI gameplay, smooth animations, responsive controls, and an optimized mobile-first design. Key Contributions • Designed and developed the complete game architecture from concept to deployment. • Implemented single-player gameplay with AI-powered opponent logic. • Created a clean and intuitive user interface for seamless gameplay. • Developed game state management, win detection algorithms, and score tracking systems. • Optimized performance to ensure smooth gameplay across Android devices. • Implemented responsive layouts compatible with multiple screen sizes. • Successfully published and managed the application on Google Play Store. • Maintained application updates, bug fixes, and performance improvements through multiple releases. LInk: https://play.google.com/store/apps/details?id=com.cktechhub.tictactoe&hl=en_IN

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Smart Contract Engineer(2)

Muhammad Hassan

Mīrpur Khās, Pakistan

Full Stack Blockchain Developer

Full Stack Blockchain Developer

Cover image for Dogen Meme Token – Decentralized Community Meme Coin Ecosystem

Dogen Meme Token – Decentralized Community Meme Coin Ecosystem

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Cover image for Decentralized Insurance & Staking Platform - Splend Coin

Decentralized Insurance & Staking Platform - Splend Coin

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Cover image for MoonLad Presale and Website Launch

MoonLad Presale and Website Launch

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Smart Contract Engineer(3)

Telegram Bot Developer | Python & FastAPI |AI-Powered Bots

Telegram Bot Developer | Python & FastAPI |AI-Powered Bots

Cover image for Dynamic Cryptocurrency Trading DApp

Dynamic Cryptocurrency Trading DApp

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Cover image for You will get Blockchain Developer | Crypto | Token | NFT | DApp

You will get Blockchain Developer | Crypto | Token | NFT | DApp

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Cover image for AI Chatbot Integration for Customer Support

AI Chatbot Integration for Customer Support

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Smart Contract Engineer(2)

Lisbon, Portugal

full-stack Developer | Scalable AI | Rust | blockchain

23: Followers

full-stack Developer | Scalable AI | Rust | blockchain

Cover image for Reinventing Trust in Smart Contracts with AI I’ve experience...

Reinventing Trust in Smart Contracts with AI I’ve experienced it firsthand: paying marketing experts without seeing results. The old way is frustrating — you pay in advance, hope for growth, and often end up with nothing. What if payments were only released when results actually happen — automatically, fairly, and transparently? Introducing AI-CVP — an AI-driven smart contract system powered by Oraichain AI oracles. Here’s how it works: Set up a contract with milestones (e.g., +100 new organic followers, with 10% verified). AI monitors the results using trusted data from AI-powered oracles. Payments are automatically released only when conditions are truly met. Flexible, customizable, and far smarter than rigid traditional smart contracts.

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Cover image for Imagine chain.link (https://chain.link) oracles as librarian...

Imagine chain.link (https://chain.link) oracles as librarians fetching verified data for smart contracts. Now imagine instead of humans, you have five super-intelligent, independent AI librarians arguing over every detail — counting followers, checking engagement, judging authenticity — and only agreeing when the facts match. That’s decentralized AI oracles. No single API can be blocked. No human bias can slip in. Contracts finally understand nuance: “Pay if engagement is real, not bots.” It’s like replacing the courtroom with a jury of machines that never sleep, never lie, and actually read everything.

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Cover image for What if proving who you are didn’t depend on governments, ba...

What if proving who you are didn’t depend on governments, banks, or companies — but on math and your own device? That’s blockchain attestation. It’s a way to prove you’re real, unique, and trustworthy without showing your face or asking permission. Your device, cryptography, and a public blockchain work together to create an identity no one can delete, block, or fake. Think secure voting, censorship-proof access, and digital freedom — all in one system. Attestation on-chain isn’t just tech — it’s the future of identity, trust, and democracy.

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Cover image for What if identity didn’t come from governments — but from cry...

What if identity didn’t come from governments — but from cryptography, satellites, and your own device? Today, states decide who you are. Tomorrow? Math + hardware + open networks could do it better. 🔐 Device proves you ⛓ Public blockchain anchors you 🛰 Satellites keep you online 🕵️ Zero-knowledge = privacy intact Result? ✅ Censorship-proof voting ✅ Borderless identity ✅ Freedom they can’t switch off Democracy 2.0 — identity that no one can take away. 🌍✨

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Smart Contract Engineer(6)

Expert in secure smart contracts and blockchain solutions.

Expert in secure smart contracts and blockchain solutions.

Cover image for Demo Decentralized Exchange (DEX) Implementation

Demo Decentralized Exchange (DEX) Implementation

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Cover image for Sample staking contract

Sample staking contract

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Cover image for Sample Audit service

Sample Audit service

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Smart Contract Engineer(2)