Blockchain Developer

We are looking for an experienced Blockchain Developer to join our engineering team and build secure, scalable, production-grade blockchain infrastructure. If you have hands-on experience with cryptocurrency wallets, smart contracts, Web3 integrations, and multi-chain ecosystems, we'd love to hear from you.

What We're Looking For

• 3+ years of professional blockchain development experience.
  
  

Proven experience deploying blockchain applications or smart contracts on mainnet.

• Hands-on experience building production cryptocurrency wallet infrastructure.
• Strong understanding of wallet architecture and blockchain transaction lifecycles.
• Experience with multi-chain and cross-chain applications.
  
  

Knowledge of blockchain security, smart contract auditing, DeFi, crypto payments, exchanges, or Web3 gaming platforms.

• Experience with one or more blockchain networks including Ethereum, Polygon, BNB Smart Chain, Base, Arbitrum, Solana, Bitcoin, and Tron.
• Strong understanding of BIP-32, BIP-39, BIP-44, cryptography, digital signatures, and secure key management.
• Backend development experience using Node.js and TypeScript.
  
  

Key Responsibilities

• Design, develop, and maintain secure blockchain and Web3 applications.
• Build and integrate custodial, non-custodial, HD, MPC, multisig, and multi-chain wallets.
• Implement wallet creation, seed phrase recovery, transaction signing, broadcasting, gas estimation, and transaction monitoring.
• Develop, test, deploy, verify, and maintain smart contracts using Solidity, Rust, or equivalent technologies.
• Manage the complete blockchain deployment lifecycle from local development → testnet → security testing → mainnet → production monitoring.
• Integrate RPC providers, blockchain nodes, WebSockets, explorers, indexers, WalletConnect, hardware wallets, custody providers, bridges, DEXs, and third-party Web3 APIs.
• Implement blockchain event listeners, balance tracking, transaction monitoring, confirmation handling, nonce management, and chain reorganization handling.
• Design and implement secure key management using KMS, HSM, MPC, multisig, hot/cold wallet architecture, and secrets management.
  
  

Job Type: Full Time

Job Location: Lucknow

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