Domain
Blockchain & Web3
Skill Profile
Blockchain indexing: The Graph, Subgraph, event listeners, RPC providers
Roles
1
where this skill appears
Levels
5
structured growth path
Mandatory requirements
3
the other 2 optional
Blockchain & Web3
Blockchain Infrastructure
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 the fundamentals of Blockchain Indexing: The Graph, Subgraph. Applies basic practices in daily work. Follows recommendations from the team and documentation. |
| Role | Required | Description |
|---|---|---|
| Blockchain Developer | Independently develops with Blockchain Indexing in Hardhat/Foundry. Conducts basic audits. Optimizes gas. |
| Role | Required | Description |
|---|---|---|
| Blockchain Developer | Required | Designs blockchain solutions with Blockchain Indexing. Conducts security audits. Optimizes protocols. Mentors the team. |
| Role | Required | Description |
|---|---|---|
| Blockchain Developer | Required | Defines blockchain product architecture. Establishes security standards. Coordinates audits. |
| Role | Required | Description |
|---|---|---|
| Blockchain Developer | Required | Defines organizational blockchain strategy. Designs cross-chain solutions. Establishes security frameworks. |