Job Title: Blockchain Full-Stack Engineer – Web Wallet & Crypto Payments (NOIDPay) Location: Remote (India preferred) Compensation: ₹6–10 LPA (Full-time preferred for rapid growth; Part-time considered, minimum 20hr/week) Dealing Media is building NOIDPay—an advanced, web-based, seedless crypto payments gateway and wallet for real-world merchants, events, and creators. We’re seeking a top-tier Blockchain Full-Stack Engineer to take end-to-end ownership of our crypto stack: browser-based wallet (built on Burner Wallet 2.0), Bitcoin and EVM (Ethereum) support, API integrations (fiat onramp, DEX, and others), NFC/QR payment flows, and PostgreSQL-backed dashboards. Key Responsibilities Customize or extend open-source, seedless wallet solutions for multi-chain (EVM & Bitcoin) support Integrate approved APIs for instant fiat onramp/offramp and on-chain asset conversion Build dynamic payment link, QR, and NFC features for seamless merchant/user experience Develop robust admin/merchant dashboards (transaction history, compliance, fee management) Implement intermediary payment routing, auto-conversion (Uniswap/0x API), and 1% fee logic Ensure non-custodial security, encrypted backups, and seamless email/social wallet recovery Deliver polished UX for mobile and desktop browsers (PWA-ready; no app required) Maintain high security standards, code quality, and compliance Collaborate directly with the founder, advise on open-source tooling, and help drive the roadmap Potential to grow into a technical lead/CTO role as we expand Web3/payment products Must-Have Skills Advanced expertise in Blockchain Development, React.js, Node.js, PostgreSQL (or similar database), and AWS Proven experience modifying open source blockchain technology for both EVM and Bitcoin (bitcoinjs-lib or similar) Deep knowledge of payment processing and API integrations (DEX, compliance, KYC, etc.) Security-first, non-custodial wallet mindset —experience building secure, encrypted wallet solutions Real candidates will bring experience across EVM wallets, web-based payments, Bitcoin integration, API development, and crypto security. Practical experience building both browser-based EVM and Bitcoin wallets is strongly preferred, even if not all tags are matched. Please provide links to open source or demo projects—show us your most relevant work! Nice to Have Burner Wallet, Magic.link, or WalletConnect experience QR/NFC payment flows, PWA/mobile optimization Experience integrating AI tools (e.g., OpenAI Codex) into developer workflow Strong English and remote work discipline Why Join Us? Own a major wallet/payments product from day one Direct access to the founder, zero bureaucracy, fast execution Multiple projects and career growth path—expand into new Dealing Media products, not just one app Flexible, global-first remote environment Mission-driven: Make crypto usable for everyone, everywhere Allowance for AI tools and other resources to deliver your best work Ready to own your code, ship at scale, and shape the future of crypto payments? Apply with links to your wallet projects, API integrations, or open-source contributions. Show more Show less