Blockchain Developer

3 weeks ago

Coimbatore, India ThroughBit Full time

Key Responsibilities

  • Develop, test, and deploy smart contracts on 
    Solana
     using 
    Rust & Anchor
    , and on 
    EVM chains
     using 
    Solidity
  • Design and build 
    DeFi
    , 
    NFT
    , and 
    liquid staking protocols
  • Architect and implement 
    DAO systems
    , including voting, governance tokens, and treasury control
  • Integrate off-chain data providers like 
    Pyth
    , 
    Chainlink
    , and custom oracles
  • Build full-stack dApps using 
    React
    , 
    , and Web3 libraries with seamless wallet support (Phantom, MetaMask)
  • Optimize contracts for 
    gas efficiency
    , 
    on-chain storage
    , and 
    rent exemption
  • Perform audits, write tests, and ensure smart contract security against common vulnerabilities
  • Deploy and manage dApps and contracts using CI/CD pipelines
  • Collaborate with frontend/backend engineers, product teams, and designers
  • Contribute to architecture, documentation, and developer tooling
  • Stay on top of emerging blockchain tech, including zk-rollups, Layer 2s, and governance trends

Required Skills & Experience

Core Blockchain Development

  • 2+ years of 
    Rust
     programming using 
    Anchor
     and native Solana development
  • Strong proficiency in 
    Solidity
     for EVM-based chains
  • Deep understanding of:
  • NFT standards
     (ERC-721, ERC-1155, Metaplex)
  • DeFi protocols
    , tokenomics, and 
    liquid staking
     mechanics
  • DAO infrastructure
    , voting mechanisms, and treasury governance (mandatory)
  • ZK cryptography
     (zk-SNARKs, Circom, Noir, or related frameworks) (mandatory)
  • Experience with 
    PDAs
    , 
    CPIs
    , Solana account models, and fee optimization
  • Knowledge of 
    cross-chain protocols
     (Wormhole, LayerZero, etc.)

Off-chain Integration

  • Integration with oracles like 
    Chainlink
     and 
    Pyth
  • Handling off-chain state, events, and real-time data feeds

Full Stack dApp Integration

  • Frontend frameworks: 
    React
    , 
    , 
    Tailwind
  • Web3 integrations using: 
    , 
    viem
    , 
  • Wallet connectivity: 
    Solana Wallet Adapter
    , 
    MetaMask
    , 
    WalletConnect
  • Backend: 
     or 
    Python
     with REST/GraphQL APIs
  • Indexing: 
    The Graph
    , 
    Helius
    , 
    Moralis
    , or custom listeners

Security & Testing

  • Experience writing and running 
    unit/integration tests
     using 
    Foundry
    , 
    Hardhat
    , and 
    Anchor test suites
  • Familiarity with attack vectors: 
    reentrancy
    , 
    flash loan exploits
    , 
    oracle manipulation
    , etc.
  • Best practices in 
    smart contract audits
     and on-chain observability

DevOps & Deployment

  • Smart contract deployment automation with 
    CI/CD pipelines
  • Experience storing metadata on 
    IPFS
     / 
    Arweave
  • Key management and multisig setups

Nice-to-Have

  • Hands-on work with 
    zk-rollups
    , 
    StarkNet
    , or 
    zkVMs
  • Contributions to 
    open-source
     blockchain protocols or GitHub libraries
  • Prior experience in 
    GameFi
    , DAOs, or social token platforms
  • Hackathon wins or community leadership in Web3 spaces

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