Backend Developer (Web3 / Node.js / SKALE)

We are a bootstrap, next-gen skincare + Web3 company building a gamified community app on the SKALE blockchain. The app includes modules like shopping, badges, NFT unlocks, DAO voting, and experiences. We’re looking for a backend dev who: Understands Node.js & Firebase Can integrate EVM-compatible wallets (esp. SKALE) Can build out our gamification + voting modules Has worked with admin panels and APIs Thinks lean, solves problems smartly, and doesn’t overengineer What you’ll be doing : Create self-custodial wallets on signup Refactor & extend our existing backend (Node.js) Implement badge-to-NFT unlocking logic Build the governance system (proposal + voting) Work with Firebase + SKALE to track and log events Work alongside Android/iOS devs and our designer Bonus if you: Understand Web3 security Have worked with SKALE or other Layer-2s Love clean APIs + can document via Postman Budget : Contract-based. Starts with 1-2 months, extendable with bonus if we love your work. Location : Remote. Start : Immediate. 📩 How to Apply: We only consider applicants who send us a cover letter to: 📧 apps@d4c.io Subject: Backend Role – [Your Name] Include: Your experience with Node.js & backend architecture What you know about SKALE or custodial wallet design How you would structure an NFT mint → badge system Your best past project (GitHub/Link + context) If you’re available to start in the next 15 days Show more Show less