Starter Smart Contract
Solidity smart contract + MetaMask wallet integration, testnet deployment & source code included.
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5 Days
3 Days (...)
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I will build you a blockchain decentralized application with solidity
Offline|3:29am local time
Starter Smart Contract
Solidity smart contract + MetaMask wallet integration, testnet deployment & source code included.
Delivery Time
5 Days
Package Includes: see all
Basic
(...)
Starter Smart Contract
Solidity smart contract + MetaMask wallet integration, testnet deployment & source code included.
Delivery Time
5 Days
Package Includes: see all
Standard
(...)
Premium
(...)
Service details
If you need a decentralized application built on blockchain, you are in the right place.
I build secure, transparent, and tamper-proof blockchain solutions using Solidity smart contracts on the Ethereum network. Blockchain is not just a buzzword — it is a powerful technology that brings trust, transparency, and decentralization to any system. And I know how to build on it properly.
From token development to voting systems, NFT platforms to DeFi tools — I can turn your blockchain idea into a fully working, production-ready decentralized application that users can actually interact with.
Here is what I can build for you:
Custom Solidity smart contracts written with security best practices and gas optimization in mind so your users never overpay on transactions. Full DApp frontend using React.js connected to the blockchain via Web3.js or Ethers.js for a seamless user experience. MetaMask wallet integration for secure user authentication and transaction signing. ERC-20 token development for launching your own custom cryptocurrency. ERC-721 NFT smart contracts for digital asset ownership and marketplaces. Smart contract deployment on Ethereum mainnet or testnets like Sepolia or Goerli for testing before going live.
Whether you need a voting platform, a token, an NFT marketplace, a crowdfunding DApp, or any fully custom blockchain solution — I can deliver it securely, efficiently, and on time.
Every contract I write is tested, documented, and built to last.
Secure code. Gas optimized. Fully tested.
Message me before ordering — let's discuss your blockchain idea and build something decentralized together.
Key details
- PurposeSmart Contracts
- Programming LanguageSolidity
- ExpertiseSmart ContractsBlockchain DevelopmentBackendFront-End DevelopmentIntegrating Wallets
Special note from freelancer
Message me before ordering — blockchain projects vary greatly in complexity. I want to fully understand your idea before we begin. Limited slots available to ensure quality delivery. Let's build something decentralized together.
Comparison
Full DApp Development
Full DApp — Solidity, React, Web3.js, MetaMask, ERC-20 token, API integration & documentation.
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14 Days
10 Days (...)
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Complete Blockchain Platform
Complete blockchain platform — ERC-20, NFT, mainnet deploy, gas optimized, audited
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30 Days
21 Days (...)
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- 5
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FAQs
- Primarily Ethereum. I also support BSC, Polygon, and other EVM-compatible chains — just mention your preferred network before ordering.
Jenil Kovadiya
About Jenil Kovadiya
Software Engineering
Hey! I'm Jenil — a Full Stack Dev who loves building things end to end. I code in Java, JavaScript, and TypeScript, and work with React.js, Next.js, Node.js, Express.js, and Spring Boot. On the data side I use MongoDB, MySQL, and PostgreSQL. I've built real-time auction platforms with Socket.IO, decentralized voting systems on Ethereum with Solidity, and deployed apps using Docker and AWS. Currently in my final year of B.Tech CS at P.P. Savani University — always exploring new tech!
Hey! I'm Jenil — a Full Stack Dev who loves building things end to end. I code in Java, JavaScript, and TypeScript, and work with React.js, Next.js, Node.js, Express.js, and Spring Boot. On the data side I use MongoDB, MySQL, and PostgreSQL. I've built real-time auction platforms with Socket.IO, decentralized voting systems on Ethereum with Solidity, and deployed apps using Docker and AWS. Currently in my final year of B.Tech CS at P.P. Savani University — always exploring new tech!
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