Skill Profile

NFT Standards

This skill defines expectations across roles and levels.

Blockchain & Web3 Web3 Development

Roles

where this skill appears

Levels

structured growth path

Mandatory requirements

the other 10 optional

Blockchain & Web3

Web3 Development

2/22/2026

Choose your current level and compare expectations. The items below show what to cover to advance to the next level.

What is Expected at Each Level

The table shows how skill depth grows from Junior to Principal. Click a row to see details.

Role	Required	Description
Blockchain Developer		Understands NFT standards ERC-721, ERC-1155 and their technical differences. Sets up infrastructure for indexing NFT events: mint, transfer, metadata updates. Works with IPFS for metadata.
Smart Contract Developer		Implements ERC-721 and ERC-1155 contracts with OpenZeppelin. Configures metadata JSON schema and IPFS storage for NFT assets. Tests mint, transfer, approval, and royalty functions.

Role	Required	Description
Blockchain Developer		Implements backend infrastructure for NFT platform: ownership indexing, metadata caching, marketplace API. Supports ERC-721A batch mint and EIP-2981 royalties at indexer level.
Smart Contract Developer		Implements advanced NFT contracts: ERC-721A for batch mint, EIP-2981 royalties, dynamic metadata with on-chain updates. Integrates with marketplaces via Seaport protocol.

Role	Required	Description
Blockchain Developer		Designs infrastructure for large-scale NFT platforms: distributed metadata storage, multi-chain NFT indexing, token-bound accounts (EIP-6551). Optimizes for high-volume mint events.
Smart Contract Developer		Designs NFT contract systems: token-bound accounts (EIP-6551), composable NFTs, on-chain SVG generation. Optimizes for large-scale mints with MEV protection and fair distribution.

Role	Required	Description
Blockchain Developer		Defines NFT infrastructure strategy for the organization. Establishes metadata storage, indexing, and API standards. Coordinates marketplace integrations and cross-chain NFT bridging.
Smart Contract Developer		Defines NFT contract architecture standards for the organization. Establishes metadata standards and royalty enforcement strategy. Coordinates marketplace protocol integrations.

Role	Required	Description
Blockchain Developer		Shapes enterprise NFT infrastructure: dynamic NFT, SBT for identity, cross-chain NFT bridging. Researches new standards EIP-7496 Dynamic Traits. Publishes NFT infrastructure patterns.
Smart Contract Developer		Defines enterprise NFT contract strategy. Researches new standards: EIP-7496 Dynamic Traits, SBT (EIP-5192). Publishes NFT architecture patterns and security guidelines.

Junior 2 requirements

Blockchain Developer

Understands NFT standards ERC-721, ERC-1155 and their technical differences. Sets up infrastructure for indexing NFT events: mint, transfer, metadata updates. Works with IPFS for metadata.
Smart Contract Developer

Implements ERC-721 and ERC-1155 contracts with OpenZeppelin. Configures metadata JSON schema and IPFS storage for NFT assets. Tests mint, transfer, approval, and royalty functions.

Middle 2 requirements

Blockchain Developer

Implements backend infrastructure for NFT platform: ownership indexing, metadata caching, marketplace API. Supports ERC-721A batch mint and EIP-2981 royalties at indexer level.
Smart Contract Developer

Implements advanced NFT contracts: ERC-721A for batch mint, EIP-2981 royalties, dynamic metadata with on-chain updates. Integrates with marketplaces via Seaport protocol.

Senior 2 requirements

Blockchain Developer

Designs infrastructure for large-scale NFT platforms: distributed metadata storage, multi-chain NFT indexing, token-bound accounts (EIP-6551). Optimizes for high-volume mint events.
Smart Contract Developer

Designs NFT contract systems: token-bound accounts (EIP-6551), composable NFTs, on-chain SVG generation. Optimizes for large-scale mints with MEV protection and fair distribution.

Lead / Staff 2 requirements

Blockchain Developer

Defines NFT infrastructure strategy for the organization. Establishes metadata storage, indexing, and API standards. Coordinates marketplace integrations and cross-chain NFT bridging.
Smart Contract Developer

Defines NFT contract architecture standards for the organization. Establishes metadata standards and royalty enforcement strategy. Coordinates marketplace protocol integrations.

Principal 2 requirements

Blockchain Developer

Shapes enterprise NFT infrastructure: dynamic NFT, SBT for identity, cross-chain NFT bridging. Researches new standards EIP-7496 Dynamic Traits. Publishes NFT infrastructure patterns.
Smart Contract Developer

Defines enterprise NFT contract strategy. Researches new standards: EIP-7496 Dynamic Traits, SBT (EIP-5192). Publishes NFT architecture patterns and security guidelines.

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