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Blockchain Developer
Build systems no one can quietly change
€60k–€140k Demand: Medium
What the work is really like
Blockchain developers build smart contracts and the infrastructure around them — payments, tokenised assets, decentralised systems. Volatile industry, deep technical problems, outsized pay for the good ones.
1Auditing a contract where a bug means lost funds
2Writing tests for every way a transaction could fail
3Optimising a contract to cut users' gas costs
4Reading a new protocol's design like a puzzle
Skill gap analysis
Strengths you already bring
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Skills to develop
Solidity
Smart contract security
JavaScript/TypeScript
Cryptography basics
Testing (Foundry/Hardhat)
DeFi concepts
Estimated to job-ready: ~6 months of focused effort.
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