Blockchain Developer
Developing blockchain applications, smart contracts, and decentralized systems
Level:
Blockchain & Web3
32 skills · 160 requirements| Skill | Junior | Middle | Senior | Lead | Principal |
|---|---|---|---|---|---|
| Blockchain Fundamentals | |||||
| Blockchain Fundamentals | Awareness | Working | Advanced | Advanced | Expert |
| Consensus Mechanisms: PoW, PoS, BFT | Awareness | Working | Advanced | Advanced | Expert |
| Applied Cryptography | Awareness | Working | Advanced | Advanced | Expert |
| Applied Cryptography | Awareness | Working | Advanced | Advanced | Expert |
| Merkle Trees | Awareness | Working | Advanced | Advanced | Expert |
| Zero-Knowledge Proofs | Awareness | Working | Advanced | Advanced | Expert |
| Smart Contracts | |||||
| Solidity | Awareness | Working | Working | Advanced | Advanced |
| Smart Contract Security & Auditing | Awareness | Working | Advanced | Advanced | Expert |
| Smart Contract Testing: Foundry, Hardhat | Awareness | Working | Advanced | Advanced | Expert |
| Smart Contract Audit | Awareness | Working | Advanced | Advanced | Expert |
| Smart Contract Platforms | Awareness | Working | Advanced | Advanced | Expert |
| Solidity Development | Awareness | Working | Advanced | Advanced | Expert |
| Vyper Development | Awareness | Working | Working | Advanced | Advanced |
| DeFi | |||||
| DeFi Protocols: AMM, Lending, DEX | Awareness | Working | Advanced | Advanced | Expert |
| Tokenomics Design | Awareness | Working | Working | Advanced | Advanced |
| Crypto Economics | Awareness | Working | Advanced | Advanced | Expert |
| Blockchain Infrastructure | |||||
| Ethereum Ecosystem | Awareness | Working | Advanced | Advanced | Expert |
| Layer 2 Solutions: Rollups, Sidechains | Awareness | Working | Advanced | Advanced | Expert |
| Blockchain Indexing: The Graph, Subgraph | Awareness | Working | Advanced | Advanced | Expert |
| Node Operation | Awareness | Working | Advanced | Advanced | Expert |
| ZK-Rollups | Awareness | Working | Advanced | Advanced | Expert |
| Web3 Development | |||||
| Web3 Frontend: ethers.js, wagmi | Awareness | Working | Working | Advanced | Advanced |
| Wallet Integration: MetaMask, WalletConnect | Awareness | Working | Working | Advanced | Advanced |
| IPFS & Decentralized Storage | Awareness | Working | Advanced | Advanced | Expert |
| NFT Development | Awareness | Working | Advanced | Advanced | Expert |
| Cross-Chain Bridges | Awareness | Working | Advanced | Advanced | Expert |
| DAO Governance | Awareness | Working | Working | Advanced | Advanced |
| DApp Development | Awareness | Working | Advanced | Advanced | Expert |
| NFT Standards | Awareness | Working | Working | Advanced | Advanced |
| Token Standards | Awareness | Working | Advanced | Advanced | Expert |
| Web3 Libraries | Awareness | Working | Advanced | Advanced | Expert |
| Cross-Chain Bridges | Awareness | Working | Advanced | Advanced | Expert |