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Blockchain Developer

Builds decentralized applications and smart contracts on blockchain platforms, with security as a first-class concern.

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Skill coverage

43%

3 of 7 skills

Course coverage

56%

5 of 9 courses

Skill coverage shows how much of the role's capability map already has a published course. Course coverage shows how much of the mapped course pipeline for this role has shipped.

Role skills 7

Published coverage 3

Relevant courses 5

Capability map

Skills

Importance describes how central each capability is to the role. Course coverage shows where you can build the skill in the current OpenSkills catalog.

01

On-chain development

4 capabilities

Blockchain fundamentals

Importance: Essential (5 of 5)

Understands consensus, cryptography, and distributed ledger architecture.

Course coverage

Blockchain FundamentalsFree

Cryptography Fundamentals Distributed Consensus Smart contracts

Importance: Essential (5 of 5)

Writes and tests contracts in languages like Solidity or Rust.

Course coverage

Smart Contract Development, Rust Fundamentals (planned)

Smart contract security

Importance: Essential (5 of 5)

Prevents and audits common vulnerabilities in on-chain code.

Course coverage

Smart Contract Security (planned)

Token standards

Importance: Important (3 of 5)

Implements token and NFT standards and their economic implications.

Course coverage

Token Standards and Tokenomics

02

DApp engineering

3 capabilities

Web3 integration

Importance: Very important (4 of 5)

Connects frontends to chains through wallets, providers, and SDKs.

Course coverage

Web3 Application Integration (planned)

Off-chain infrastructure

Importance: Very important (4 of 5)

Designs indexers, oracles, and storage that complement on-chain logic.

Course coverage

Blockchain Infrastructure

Testing and deployment

Importance: Very important (4 of 5)

Tests contracts against forks and deploys through audited pipelines.

Course coverage

Smart Contract Development (planned)

Learning path

Relevant courses

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Core foundations

The concepts this role is built on.

Blockchain FundamentalsFree

Smart Contract Development, Smart Contract Security, Web3 Application Integration (planned)

Supporting knowledge

Adjacent knowledge that improves day-to-day judgment.

Blockchain Infrastructure

Cryptography Fundamentals Distributed Consensus Token Standards and Tokenomics Rust Fundamentals (planned)

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