← All career guides Software development Blockchain Developer Builds decentralized applications and smart contracts on blockchain platforms, with security as a first-class concern. Find relevant jobs→Print learning guideOpen Hitchhiker's guide→ 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: Key (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 Print all introsPrint all cheatsheets 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) Put the map to work Find Blockchain Developer roles. Search multiple job sources at once with queries tailored to this career, then use the skill map above to evaluate what each role actually asks for. Open job search→ Keep exploring More in Software development Backend Engineer→

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📌 Blockchain Developer (Ottawa)
🏢 OpenSkills
📍 Ottawa