Domain
Blockchain & Web3
Skill Profile
Smart contract auditing: reentrancy, overflow, flash loans, formal verification
Roles
2
where this skill appears
Levels
5
structured growth path
Mandatory requirements
6
the other 4 optional
Blockchain & Web3
Smart Contracts
3/17/2026
Choose your current level and compare expectations. The items below show what to cover to advance to the next level.
The table shows how skill depth grows from Junior to Principal. Click a row to see details.
| Role | Required | Description |
|---|---|---|
| Blockchain Developer | Understands common smart contract vulnerabilities: reentrancy, integer overflow, and front-running. Reviews code for basic security issues using checklists. Follows secure development patterns recommended by the team. | |
| Smart Contract Developer | Understands fundamentals of smart contract security: access control, input validation, and safe math operations. Uses static analysis tools like Slither for basic vulnerability detection. Learns from audit reports and documented exploits. |
| Role | Required | Description |
|---|---|---|
| Blockchain Developer | Independently develops with Smart Contract Security in Hardhat/Foundry. Conducts basic audits. Optimizes gas. | |
| Smart Contract Developer | Independently develops with Smart Contract Security in Hardhat/Foundry/OpenZeppelin. Conducts basic audits. Optimizes gas. |
| Role | Required | Description |
|---|---|---|
| Blockchain Developer | Required | Designs secure smart contract architectures with upgradability patterns, timelocks, and multi-sig governance. Conducts internal security audits using Mythril, Echidna, and manual review. Optimizes gas usage without compromising security. Mentors team on secure Solidity patterns. |
| Smart Contract Developer | Required | Designs and executes comprehensive smart contract audits: formal verification, fuzz testing with Echidna, and symbolic execution with Manticore. Identifies complex attack vectors including flash loan exploits and oracle manipulation. Mentors developers on writing audit-ready code. |
| Role | Required | Description |
|---|---|---|
| Blockchain Developer | Required | Defines smart contract security standards and audit processes for blockchain products. Establishes pre-deployment security checklists and automated scanning pipelines. Coordinates external audit engagements and manages remediation workflows. |
| Smart Contract Developer | Required | Defines security-first development culture for smart contract teams. Establishes mandatory audit gates in CI/CD, security review processes, and incident response playbooks for on-chain exploits. Coordinates bug bounty programs. |
| Role | Required | Description |
|---|---|---|
| Blockchain Developer | Required | Defines organizational blockchain security strategy across multiple chains and protocols. Designs cross-chain security frameworks and formal verification standards. Drives industry-level security initiatives and contributes to EIP security proposals. |
| Smart Contract Developer | Required | Defines enterprise-wide smart contract security architecture and risk management frameworks. Designs zero-trust patterns for DeFi protocols and cross-chain bridges. Establishes formal verification methodologies and contributes to blockchain security standards bodies. |