Lead Blockchain Engineer – Stablecoins & Financial Systems

StableNaira is looking for a Senior Blockchain Engineer to build secure fintech infrastructure for payments, wallet integrations, liquidity movement, and digital asset settlement. Responsibilities -Develop, test, and maintain Solidity smart contracts. -Build backend services, APIs, and transaction-processing systems. -Integrate wallets, blockchain APIs, and EVM-compatible networks. -Improve gas efficiency, transaction reliability, and settlement performance. -Support architecture planning, security reviews, testing, CI/CD, monitoring, and documentation. -Troubleshoot blockchain, backend, and distributed-system issues. -Collaborate with engineering, product, DevOps, and compliance teams. Requirements -4+ years of professional software development experience. -Strong Solidity, smart contract, and EVM knowledge. -Backend experience with Node.js, TypeScript, Go, or Python. -Experience with Web3 libraries, wallets, APIs, databases, and REST services. -Understanding of smart contract security, gas optimization, and reliable transaction processing. -Familiarity with Docker, Kubernetes, distributed systems, or CI/CD. -Strong communication, debugging, and independent remote-working skills. Nice to Have -Experience with stablecoins, DeFi, fintech, Layer 2 networks, bridges, audits, high-availability systems, or open-source blockchain projects. Work Arrangement -Fully remote, direct engagement with StableNaira. Full-time or long-term contract options are available.