Remote Crypto Jobs - Remote

Founding CTO / Technical Lead – Messenger & Stablecoin Payments Full-time/Company: Ihsan Ihsan Pay is building a self-custodial stablecoin payment system that feels as simple and familiar as a modern bank account. It will be integrated into the Ihsan messenger to let users hold stablecoins in self-custodial wallets, send money through conversations, pay via QR codes and accept merchant payments while hiding blockchain complexity. The goal is secure, reliable consumer payment infrastructure prioritizing security, accuracy and usability. Responsibilities: - Own the architecture of Ihsan Pay from prototype to production - Build secure, scalable backend payment services - Integrate wallet, blockchain, KYC, on-ramp and card providers - Ensure Ihsan Pay cannot independently access users’ self-custodial funds - Design transaction-status, reconciliation and monitoring systems - Establish security standards and review payment-related code - Document architecture, operational procedures and help recruit/mentor engineers Requirements: - Strong production backend experience with Go, TypeScript or comparable language - Experience building or integrating blockchain wallets and transactions - Practical experience with Solana and SPL tokens - Experience with payment APIs, webhooks, idempotency and reconciliation - Strong understanding of private-key security, transaction signing and wallet recovery - Experience with PostgreSQL and scalable backend systems - Clear communication, strong technical documentation and independent architectural decision-making Nice to have: - Experience with Privy, Turnkey, Web3Auth or similar embedded-wallet infrastructure - Experience with USDC, USDT or stablecoin payment products - Experience integrating on/off-ramps, card issuers or payment processors - Experience with Helius or other Solana infrastructure - Experience with QR payments or merchant checkout systems - Experience building consumer fintech, wallets, remittance or neobanking products - Experience taking a payment product from prototype to production Stack: Go, TypeScript, PostgreSQL, React Native, Solana Benefits: - Company Retreats - No Whiteboard - Pay In Bitcoin - Pay In Crypto 📩 Apply