Project Overview: We are building a global crypto payment gateway running on the Solana blockchain. The platform will allow both individuals and businesses to accept crypto payments easily. It will function similarly to platforms like NOWPayments, Coinbase Commerce, and Helio, with a focus on Solana’s fast and low-fee infrastructure. What We’re Looking For: We’re seeking an experienced blockchain developer (or a small team) who can help us build a working MVP for a crypto payment gateway. You should have: Strong experience with the Solana ecosystem Familiarity with SPL Tokens, especially USDC-SPL and SOL Knowledge of Solana Pay, Phantom Wallet, and Wallet Adapter SDK Backend experience (Node.js / Python / Rust preferred) Ability to track on-chain transactions and trigger webhooks REST API development skills (Bonus) Smart contract development using Anchor Framework Key Features to Develop (MVP): • Wallet-based user login (Phantom or Solflare) • Create crypto payment links & QR codes • Accept payments in USDC (SPL) and SOL • On-chain payment detection (listener service) • Trigger webhook to notify merchants of completed payment • Simple user dashboard (transaction history, API key management) • REST API for payment creation, status check • Integration with Solana devnet for testing Project Scope: • This is an MVP build for validation purposes • Future collaboration is possible for full-scale product development • UX/UI designs are mostly ready • Functionality is the top priority in this phase • Fully remote, async-friendly Preferred Tech Stack: Area Tech Frontend React.js / Next.js Backend Node.js / Python (FastAPI) / Rust Blockchain Solana Web3.js, Solana Pay, Anchor (optional) Database PostgreSQL / Redis RPC Provider QuickNode / Helius / Triton Budget & Timeline: • Budget: $3,000 – $5,000 USD (for MVP) • Timeline: 3–5 weeks • Ongoing work possible based on performance How to Apply: Please include the following in your proposal: 1. Your experience with Solana development (with links if possible) 2. Past projects involving payment systems / blockchain transactions 3. GitHub or portfolio links 4. Estimated delivery time & budget 5. Any experience with webhooks / API integrations is a plus Notes: • Strong preference for developers with crypto payment experience • This is a technically detailed project — please only apply if you have relevant experience • Open to solo freelancers or small teams