Get AI-powered advice on this job and more exclusive features. This range is provided by Elios Talent. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range $80.00/hr - $95.00/hr Direct message the job poster from Elios Talent Job Title Tenured Recruiting/Sales Leader, Relationship Builder, and Servant Leader in Talent Solutions....Romans 10:9 Job Description We're hiring a solo consultant or developer to scope and design a Proof of Concept (PoC) that authenticates physical trading cards using NFC tags, digital signatures, and blockchain technology. The goal is to track the chain of custody and prove the authenticity of each card through a mobile web experience. Build the Future of Physical-to-Digital Collectibles: Join a project at the intersection of blockchain, NFC technology, and digital ownership. Own the Solution: Work as a solo consultant or developer with full autonomy to scope, design, and build a real-world Web3 proof of concept from the ground up. Innovate with Impact: Help define how physical trading cards can be authenticated and tracked using cutting-edge blockchain and NFC integration. Attach NFC tags to physical cards and encode a URL + digital signature Mint each card as a unique ERC-721 NFT Record and display ownership transfers on-chain Use Base (L2 blockchain) to minimize gas fees Build a mobile-friendly web page for scanning tags and viewing card history Create a simple transfer flow + admin tool (no app required) Target: ~30–50 card transactions per month during PoC phase Timeline: 8-12 weeks (could go longer based on project scoping) Ideal Candidate A hands-on blockchain consultant or Web3 developer who can: Independently scope the full project Design the POC architecture Develop smart contracts (ERC-721) Encode and manage NFC tag payloads Build a React-based mobile web interface Create a basic ownership transfer and indexing backend Required Skills Solidity + EVM-based smart contract experience (ERC-721) React, TypeScript, Web3.js or Ethers.js Familiarity with Base, Seaport protocol, or similar frameworks Experience with NFC integration and secure asset verification Proven ability to deliver end-to-end PoCs with minimal oversight Seniority level Mid-Senior level Employment type Contract Job function Information Technology Industries Software Development, IT Services and IT Consulting, and Advertising Services Referrals increase your chances of interviewing at Elios Talent by 2x Get notified about new Blockchain Developer jobs in Austin, TX . #J-18808-Ljbffr Elios Talent
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