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Overview
Blockchain developers implement and program software systems that use distributed ledgers, smart contracts and blockchain platforms from technical specifications and designs.
In job descriptions, look for blockchain architecture, smart contract implementation, decentralised applications, debugging, security principles, technical requirements and platform-specific programming tools.
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Open in Job ExplorerWhat the work can involve
Blockchain developer work is software engineering for distributed-ledger products. The role turns designs and technical requirements into code for blockchain platforms, smart contracts, decentralised applications, identity flows or integrations with existing systems.
Skills and specializations
Useful specializations include smart contract programming, blockchain architecture, consensus mechanisms, security review, decentralised application frameworks, debugging and platform tools such as Solidity, JavaScript, TypeScript or cloud services.
Salary context
Salary context depends on the platform stack, security responsibility, smart contract risk, product complexity, integration work and whether the role owns architecture or mainly implements defined tickets. This guide does not provide salary amounts.
Career paths
Career paths can move from software development into smart contract engineering, blockchain architecture, security review, technical product work or platform leadership. Strong evidence usually comes from shipped systems, reviewed contracts and clear documentation.
Good to know
Check whether the advert names the chain or platform, contract language, audit expectations, wallet or identity work, test approach and who reviews production changes. Vague blockchain wording without implementation details is less useful.
Editorial note
This guide is editorial career context. It is not official labour-market statistics or role-specific salary data.
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O*NET relationships
See occupations connected to this ESCO occupation in the official O*NET–ESCO mapping. The relationship type comes from the source and is not a ranking or recommendation.
O*NET relationships: 1
Blockchain Engineers
15-1299.07
O*NET occupation is broader
The O*NET occupation covers a broader field of work than this ESCO occupation.
Open in O*NETSource and method
These relationships come from the official European Commission O*NET–ESCO crosswalk.
Relationship direction: O*NET occupation to ESCO occupation.
Several O*NET occupations can point to the same ESCO occupation, and one O*NET occupation can point to several ESCO occupations.
AltoTrail preserves the source relationship type. The order is technical and does not show which occupation is best, most relevant or recommended.
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Alternative labels
Occupation group
software developer (2512.4)
Source facts
| ESCO URI | http://data.europa.eu/esco/occupation/24135b84-cbdd-4d42-9ed2-02fd982d15b2 |
|---|---|
| ESCO code | 2512.4.1 |
| ISCO group | 2512 |
| Concept type | Occupation |