Blockchain Developer Intern

**Blockchain Developer Intern — Nextroy Dynamics Private Limited, Hyderabad** We’re seeking a Blockchain Developer Intern to explore decentralized solutions, smart contracts, and blockchain integrations that can add value to our EdTech products—such as credential verification, secure data sharing, and incentive/reward systems for learners. You’ll prototype on public and private chains, write smart contracts, and collaborate with backend and product teams to evaluate real-world use cases. Key Responsibilities: * Design, develop, and test smart contracts (Solidity, Vyper) for use cases like verifiable certificates, tokenized incentives, or immutable logs. * Build and integrate backend services to interact with blockchain networks using Web3 libraries (web3\.js, ethers.js), and frameworks like Hardhat or Truffle. * Prototype decentralized applications (dApps) with simple front-end integrations (React/Next.js) to demonstrate workflows (wallet connect, MetaMask). * Work with testnets (Goerli, Sepolia, Mumbai) and local development chains; deploy contracts and run end-to-end tests. * Implement token standards (ERC-20, ERC-721/ERC-1155\) where relevant and design minimal governance/permission patterns for private use-cases. * Help evaluate scalability and cost trade-offs (layer-2 solutions, sidechains) and suggest off-chain/on-chain hybrid approaches. * Write unit and integration tests for smart contracts, run security checks (Slither, MythX, Echidna), and follow secure-contract development practices. * Integrate blockchain identity and credential verification flows for student certificates or achievement badges. * Document architecture, APIs, and deployment steps; maintain clear code and version-control practices (Git). * Collaborate with product, legal, and operations teams to assess compliance, privacy, and practicality of blockchain features. Requirements: * Pursuing or recently completed B.Tech/M.Tech/MSc in Computer Science or related field. * 0–1 year internship experience or demonstrable project/portfolio work in blockchain development, smart contracts, or dApp prototyping. * Proficiency in Solidity; familiarity with smart contract tooling (Hardhat, Truffle, Brownie) and Web3 libraries (web3\.js, ethers.js). * Basic knowledge of front-end integration (React) and how wallets (MetaMask) and signing workflows work. * Understanding of blockchain fundamentals: consensus, gas costs, transactions, and account models. * Familiarity with testing and security tools for smart contracts and awareness of common vulnerabilities (reentrancy, integer overflow, unchecked calls). * Comfortable with Node.js, REST APIs, and backend integration patterns. * Analytical mindset, problem-solving skills, and attention to secure coding practices. * Good communication in English, Hindi, and/or Telugu; ability to explain blockchain trade-offs to non-technical stakeholders. * Interest in EdTech use cases and pragmatic approaches to adoption. * Available for 6-day shifts (9 AM - 6 PM) or flexible hours for students. What We Offer: * Stipend / competitive internship compensation, plus performance incentives; potential transition to a blockchain or backend role based on performance. * Hands-on experience building smart contracts, dApp prototypes, and blockchain integrations for education-focused products. * Mentorship from engineers, access to testnets and tooling, and opportunity to produce portfolio-grade projects. * Cross-functional exposure to product, legal, and operations teams to evaluate practical deployments. * Dynamic startup environment with room to propose and test innovative solutions. Pay: ₹5,000\.00 per month Benefits: * Work from home Work Location: Hybrid remote in Hyderabad, Telangana