Senior Software Engineer - Blockchain & DeFi Protocols in Gurgaon, भारत

Role Purpose : The Senior Software Engineer will be a hands-on engineer within Wio's digital asset engineering team, building and shipping the services that power our blockchain and DeFi products - smart contracts, wallet and transaction services, on-chain/off-chain integrations, and the backend platforms that connect Web3 capabilities to a regulated banking https://jobeax.com/link/7FJ8LuLORgDg5KsK Responsibilities : - Develop and maintain production-grade smart contracts and protocol integrations (EVM/Solidity), including testing, deployment, and upgrade workflows.- Build backend services and APIs (microservices, event-driven architecture) connecting on-chain activity with the bank's core platforms, ledgers, and compliance systems.- Implement wallet and transaction-orchestration features - signing flows, nonce and gas management, chain indexing, and reconciliation of on-chain data.- Integrate with DeFi protocols, oracles, and bridges safely, with robust failure handling and monitoring.- Write clean, well-tested code - unit, integration, and contract testing (Foundry/Hardhat) - and contribute to CI/CD pipelines and observability.- Participate in design reviews and technical discussions, contributing to architecture decisions within your squad.- Work closely with Security, Risk, and Compliance to ensure everything shipped meets the bar of a regulated bank.- Support production systems : participate in on-call rotations, debug incidents, and contribute to root-cause analysis and fixes.- Collaborate with product managers and designers to translate requirements into reliable, scalable solutions.- Keep current with the Web3 ecosystem - new standards, tooling, and best practices - and share learnings with the https://jobeax.com/link/9XbfiWZXvAUTHpWi Experience & Skills : - 5+ years of software engineering experience, with 1 - 2+ years building blockchain, Web3, or DeFi systems (production experience preferred).- Hands-on smart contract development experience (Solidity/EVM) and familiarity with modern tooling (Foundry, Hardhat).- Strong backend skills in at least one of : TypeScript/Node.js, Go, Rust, Java/Kotlin, or Python - with solid grounding in distributed systems fundamentals.- Understanding of wallet infrastructure, transaction signing, and chain indexing; exposure to key management (MPC/HSM/multisig) a plus.- Working knowledge of DeFi primitives - AMMs, lending, staking, stablecoins, oracles - and their integration considerations.- Experience with cloud platforms (AWS or Azure), containers/Kubernetes, and CI/CD pipelines.- Security-conscious engineering habits : secure coding, thorough testing, and audit-ready contract development.- Strong ownership and delivery track record as a senior individual contributor within a squad.- Good communication skills; comfortable collaborating across engineering, product, and control https://jobeax.com/link/ZFm91zKjRMpdk08K Qualifications : - Experience in a crypto exchange, Web3 protocol team, or blockchain-focused startup environment.- Contributions to open-source Web3 projects, hackathons, or personal on-chain projects.- Prior experience in fintech or regulated financial services.- Familiarity with account abstraction (ERC-4337), L2s/rollups, or cross-chain https://jobeax.com/link/V3RwI3KvLNGXxQS7 We Offer : - The opportunity to build a regulated bank's digital asset platform from the ground up, with real production scale.- A high-ownership, fast-moving environment with direct exposure to senior leadership.- Competitive compensation and benefits aligned to the Gurgaon https://jobeax.com/link/WZ1DI4iy5LxPgFeX Bank is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. (ref:hirist.tech)