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English
$
USD
Jashedul asif
@asifdevx
web3 and blockchain developer
Bangladesh
English, Hindi, Bengali
About me
Hello and welcome to my Fiverr profile!
I’m Jashedul Islam Asif, a Web Developer and Freelancer with 5+ years of experience. I create responsive, modern websites with smooth scrolling, elegant animations, and user-friendly designs.
I also provide Web3 integration, smart contract connectivity, community management, and crypto trading support. I am dedicated to delivering clean, professional, and scalable solutions that bring your ideas to life.
Best regards,
Asifdevx
Skills
Jashedul asif
Offline •
Average response time: 1 hour
See my services
NFT Marketplace
I will build an nft marketplace with minting, staking and auctions
Custom Websites
I will develop custom ai saas and full stack mern web app
Portfolio
Work experience
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Full Stack Web3 & Blockchain Developer
Fiverr • Freelance
Sep 2024 - Present • 1 yr 10 mos
Worked as a freelance blockchain and full-stack developer delivering Web3-based applications, smart contracts, and decentralized exchange (DEX) integrations. Built and maintained scalable DeFi systems, token contracts, and cross-chain swap logic. Key responsibilities included: - Designing and developing smart contracts (Solidity) for tokens, staking, and vesting systems - Building DeFi swap integrations (Uniswap-style AMM logic and router interactions) - Developing full-stack dApps using React, Next.js, and Ethers.js / Wagmi - Integrating wallets (MetaMask, WalletConnect, RainbowKit) for seamless Web3 UX - Working with multi-chain environments (EVM networks like AVAX, BNB, SEI, etc.) - Implementing backend services for indexing, pricing logic, and transaction monitoring - Optimizing gas usage and ensuring contract security best practices Achievements : - Delivered multiple end-to-end Web3 applications including token launch and swap systems - Built automated trading and liquidity logic for decentralized exchange environments - Successfully integrated multi-chain swap flows across EVM-compatible networks - Improved smart contract efficiency and reduced unnecessary gas consumption - Helped projects move from concept to deployable MVPs with production-ready architecture
Full Stack & Web3 Developer
LinkedIn • Self-employed
Mar 2020 - Present • 6 yrs 4 mos
As a freelance Full-Stack and Web3 Developer, I help startups and businesses build modern web applications, AI-powered solutions, and blockchain products. I work closely with clients to turn ideas into scalable, user-friendly applications while delivering projects on time. Key Contributions - Developed responsive full-stack web applications using React, Next.js, Node.js, TypeScript, and PostgreSQL. - Built AI-powered SaaS platforms and workflow automation tools. - Created Web3 applications with smart contract integration, wallet authentication, and NFT functionality. - Improved website performance, SEO, and overall user experience. - Collaborated with international clients, providing end-to-end development from planning to deployment.
3 Reviews
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
1-3 out of 3 Reviews
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marconitro
Repeat Client
Denmark
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Helpful?
marconitro
Repeat Client
Denmark
Great communication and quick turn around time. Thanks again!
Seller's Response
Helpful?
marconitro
Repeat Client
Denmark
Absolutely the best web3 developer on Fiverr! Jashedul is a full-stack web3 developer with remarkable proficiency in frontend design, smart contracts, frontend development, and backend implementation. He is patient, proactive, details oriented and willing to go an extra mile to see his deliverables to the door. I strongly recommend him.
Seller's Response
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