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We are building a Web3-powered platform that bridges digital ownership with real-world value. We are looking for a full stack developer with strong blockchain experience to join our team and help bring the MVP to life. This is a hands-on role where you will own the blockchain integration, smart contract development, and backend/frontend Web3 architecture. What You'll Do - Design, write, test, and deploy smart contracts for minting and payments - Integrate Web3 functionality into the [login to view URL] frontend (wallet connect, minting, downloads, payments) - Build secure backend routes to handle metadata, file uploads, and on-chain/off-chain syncing - Ensure smooth communication between the Express server, IPFS, and the blockchain - Optimize for low transaction costs and user-friendly experiences You Should Have - 5+ years of full stack development experience - Proven experience deploying production-grade smart contracts on an EVM-compatible chain - Deep familiarity with the full Web3 stack (wagmi, viem, [login to view URL], IPFS) - Comfort with both frontend (React/Next) and backend (Node/Express) development - Understanding of NFT standards, minting flows, and token transfers - Experience with MongoDB or similar NoSQL databases - Ability to work independently and take ownership of the blockchain layer Nice to Have - Background in education tech or marketplace platforms - Familiarity with CI/CD and deployment pipelines
Project ID: 40641455
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Active 4 days ago
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106 freelancers are bidding on average $51 USD/hour for this job

Hi — Elias here from Miami. I see you're developing a Web3 platform that connects digital ownership with tangible value. The core challenge here often revolves around ensuring seamless integration between the blockchain and your application while maintaining a user-friendly experience. What usually matters most here is the scalability of your smart contracts and the reliability of transactions. A common issue in systems like this is managing user permissions and state effectively, especially as you grow. The tricky part is usually balancing performance with security, particularly when dealing with sensitive data. To address these challenges, I would structure the platform with modular components, ensuring each piece can scale independently. This approach not only enhances maintainability but also prepares the system for future features or integrations. I have experience in building similar dApps, focusing on stability and user experience. A few questions to better understand the scope: Q1 – What specific blockchain functionalities are you looking to implement? Q2 – How do you envision user roles and permissions within the platform? Q3 – Are there any existing systems you plan to integrate with, or will this be a standalone solution? Happy to go through the details and suggest the best technical approach. Looking forward to hearing from you.
$50 USD in 30 days
8.1
8.1

With over a decade of experience in full-stack blockchain development, I understand your goal of building a Web3-powered platform that connects digital ownership to real-world value. My background in scaling projects to serve over 1 million users and high-security FinTech systems directly applies to the challenges your project presents. Strategic Insight: To ensure scalability and security, integrating IPFS for file uploads and metadata handling can enhance performance and data integrity. My successful track record includes creating Telegram Mini Apps that have served over 1 million users, showcasing my ability to handle complex projects like yours. I encourage you to reach out to discuss how I can contribute to bringing your MVP to life. Let's collaborate to create a cutting-edge platform that delivers a seamless Web3 experience for users.
$50 USD in 15 days
7.5
7.5

With over a decade of full stack development experience, specializing in blockchain technologies, I am skilled in building Web3 platforms. My expertise includes deploying smart contracts on various chains, integrating Web3 functionality into frontends, and optimizing backend routes for efficient data handling. I am adept at NFT standards, minting flows, and database management. Additionally, my background in education technology and marketplace platforms enhances user experiences. I am committed to delivering a robust MVP and fostering a lasting partnership for the growth of your platform.
$50 USD in 5 days
6.6
6.6

Hello, Your project caught my attention because you're building a real Web3 product, not just another NFT minting site. I enjoy working on blockchain applications where smart contracts, backend services, and frontend interactions are designed together to create a secure, scalable, and seamless user experience. I can help build the complete blockchain layer, from production-ready smart contracts and wallet integration to IPFS storage, metadata management, minting flows, payments, and secure synchronization between your Express backend and the blockchain. My focus is always on clean architecture, gas optimization, maintainable code, and delivering an MVP that's ready to scale as your platform grows. I'm comfortable taking ownership of the Web3 stack while collaborating closely with the rest of the team, and I believe in proactive communication, frequent demos, and solving problems before they become blockers. I think you're looking for someone who can own the blockchain side instead of simply implementing tickets. Is your smart contract architecture already defined, or are you looking for someone to help design the tokenomics, minting flow, metadata structure, and overall Web3 architecture from the ground up? Thanks.
$50 USD in 25 days
3.4
3.4

Beyond my technical skills, I take pride in delivering clean, maintainable engineering solutions that prioritize security and site speed -- essential factors for any digital infrastructure leveraging blockchain technology. Further, as a builder who hails from a background of both full-stack development and marketing automation, I know the importance of not just building functional systems but ones that align with core business metrics and goals. My commitment to end-to-end execution, clean engineering, reliable delivery & communication should instill confidence in your decision-making process. It would be an honor to contribute to your vision where digital ownership meets real-world value. Let's create something great together.
$50 USD in 40 days
2.8
2.8

Hi there! Quick question: are you planning to handle royalties on secondary sales, or is this purely primary minting focused? Regardless, this is definitely something that I feel confident delivering on, given my past experience. I would love to discuss your project further! Looking forward hearing from you. kind regards, Corné
$50 USD in 40 days
0.9
0.9

San Francisco, United States
Member since Aug 11, 2026
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