Intain Technologies - Blockchain Developer - Full Stack Technologies

About The Role

Responsibilities

• Design and develop smart contracts and tokenization logic using Ethereum and/or other blockchain networks (Polygon, Avalanche, Solana, Hyperledger, etc.)
• Work with multiple token standards (ERC-20, ERC-721, ERC-1155, ERC-4626, ERC-3643/ERC-1400, SPL tokens, etc.) and choose the right standard per use case
• Build and integrate wallets, custody mechanisms, and token lifecycle operations (mint, burn, transfer, freeze, etc.)
• Architect scalable full-stack blockchain applications using modern web frameworks (e.g., React, Next.js, Node.js) and backend stacks (Express, NestJS, etc.)
• Collaborate with cross-functional teams to translate financial workflows into blockchain-based protocols
• Address challenges related to key management, access control, compliance, and interoperability
• Write clean, testable, and auditable code; conduct code reviews and contribute to best practices
• Stay updated on evolving blockchain technologies, DeFi primitives, and tokenization Qualifications :
• 3 to 7 years of software development experience with at least 2+ years in blockchain development
• Strong proficiency in Solidity (and optionally Rust or Golang depending on chains used)
• Hands-on experience with at least one public or permissioned blockchain, and exposure to others
• Knowledge of token standards (ERC-20, ERC-721, ERC-1155, ERC-1400/3643, etc.)
• Experience working on wallets, custody solutions, asset registries, or compliance layers
• Familiarity with RWA tokenization, structured finance, or financial service applications on-chain
• Solid experience in full-stack web development using JavaScript/TypeScript, React, Node.js
• Experience with Web3 libraries (ethers.js, web3.js), Truffle/Hardhat, The Graph, IPFS
• Good understanding of security practices for smart contract to Have :
• Experience with multi-signature wallets, MPC, or HSM integrations
• Exposure to regulated environments (e.g., working with regulated token offerings, custody providers, or compliance tech)
• Familiarity with custodial and non-custodial wallet frameworks
• Understanding of tokenized fund structures or lending We Offer :
• Opportunity to build infrastructure for the future of financial markets
• Work with a team that understands both finance and blockchain deeply
• Competitive compensation and ESOPs