Founding Payments Engineer – Backend & Blockchain

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Описание

Founding Payments Engineer – Backend & Blockchain 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, send money through conversations, accept merchant payments, and use a stablecoin-connected payment card. Responsibilities: - Own the architecture of Ihsan Pay from prototype to production - Build secure and scalable backend payment services - Integrate wallet, blockchain, KYC, on-ramp and card providers - Ensure Ihsan Pay cannot independently access users’ self-custodial funds - Design reliable transaction-status and reconciliation systems - Document architecture and operational procedures; recruit and mentor future payments engineers Requirements: - Strong production backend experience with Go, TypeScript or a 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 and strong technical documentation; security-first approach to financial infrastructure 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 Stack: Go, TypeScript, PostgreSQL, React Native, Solana Benefits: - Take technical ownership of a new payment system from its foundation - Build a product designed for meaningful global use - Shape the architecture instead of inheriting legacy infrastructure - Work on the intersection of stablecoins, messaging and everyday payments - Grow into a leadership position as the engineering team expands - Competitive compensation and meaningful long-term equity participation 📩 Apply

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