---
name: blockchain-developer
description: "Occupational skill for the role 'blockchain developer' (also: DLT engineer, blockchain development engineer, decentralized ledger technology specialist, blockchain engineer, DLT specialist). Use when the user asks for typical blockchain developer work such as: typical blockchain developer responsibilities"
---

# Blockchain Developer

Blockchain developers implement or program blockchain-based software systems based on specifications and designs by using programming languages, tools, and blockchain platforms.

## Core workflow


## How to use this skill

- Read [references/profile.md](references/profile.md) for the occupation profile and scope.
- Consult [references/tasks.md](references/tasks.md) for the full task and activity inventory.
- Check [references/skills.md](references/skills.md) for essential vs. optional competences.
- Check [references/tools.md](references/tools.md) for the software commonly used in this role.
- See [references/ai-skills.md](references/ai-skills.md) — matched external AI agent skills (per-source attribution).

## Key competences (essential)

- analyse decentralised applications
- blockchain
- blockchain application areas
- blockchain applications
- blockchain applications security principles
- blockchain architecture
- blockchain components
- blockchain consensus mechanisms
- blockchain design patterns
- blockchain history
- blockchain mining principles
- blockchain openness
- blockchain platforms
- blockchain terminology
- blockchain-based business models

## Hot technologies

- Amazon Web Services AWS CloudFormation
- Amazon Web Services AWS software
- Ansible software
- Apache Kafka
- Atlassian Confluence
- Atlassian JIRA
- C
- C#
- C++
- Docker


<!-- hot-tech -->

## Hot technologies

Top tools from 43 gated job ads (see references/market.md, as of 2026-07-09):

- Ethereum — 42 %
- Solidity — 28 %
- Corda — 26 %
- Hyperledger Besu — 19 %
- Typescript — 19 %
- Canton — 16 %
- Cosmos — 16 %
- Java — 16 %
- JSON — 14 %
- Spring Boot — 14 %

<!-- hot-tech -->

---
*Sources: ESCO v1.2.1 (http://data.europa.eu/esco/occupation/24135b84-cbdd-4d42-9ed2-02fd982d15b2), O*NET 30.3 (15-1299.07, manual nearest match). See manifest.json for licensing/attribution.*