Senior Full-Stack Engineer

  Who We Are Elysa is a next-generation collectibles platform — a true paradise on-chain — where physical and digital assets come together. We enable collectors to mint, trade, and redeem tokenized collectibles across multiple categories with seamless fiat onboarding. By combining a social marketplace experience with vaulting partnerships, Elysa creates the most engaging and liquid hub for global collectors.  About the Role We re seeking a Senior Full-Stack Engineer to help build the MVP of our Web3 collectibles platform. This is a hands-on role where you ll work directly with the founder to shape product decisions, choose the right integrations, and deliver a polished MVP that collectors can actually use. Your code will go live quickly, and you ll have the opportunity to influence both the technical foundation and the user experience.  What You ll Be Building Our MVP blends physical + digital collectibles, with features including:  • ERC-1155 pack minting (off-chain rarity, VRF-based randomness) • Reveal flow with animations • Burn-to-redeem mechanics for physical vault items • Marketplace integration (OpenSea s Seaport or Reservoir Protocol) • Basic social features (leaderboards, referrals, etc.) Tech Stack (Preferred)   • Smart contracts: Solidity / Hardhat • Frontend: Next.js / React • Backend: Node.js / TypeScript • Database: PostgreSQL / MongoDB • Web3: ethers.js, wagmi, etc. • Familiarity with Arbitrum / Base is a plus Requirements   • 6+ years of full-stack development experience (frontend + backend) • Strong Web3 experience (NFTs, smart contracts, marketplace protocols) • Experience with Seaport / Reservoir is a big plus • Ability to scope, estimate, and deliver clean, secure code • Good communication in English Compensation   • Open to discussion (hourly or fixed, depending on experience and proposal) • Equity may be considered for the right candidate   careers@elysa.io