Senior Blockchain Developer

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

  , 

  Next.js

  , 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

  , 

  Next.js

  , 

  Tailwind

• Web3 integrations using: 

  ethers.js

  , 

  viem

  , 

  web3.js

• Wallet connectivity: 

  Solana Wallet Adapter

  , 

  MetaMask

  , 

  WalletConnect

• Backend: 

  Node.js

   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