Skills you need to be a smart contract developer
8 skills a hiring manager would actually test for, each with the level this role expects and what it is used for. Not a syllabus — the shape of the job.
Build my path to this roleUpskili checks what you can already do, then sequences only what is missing. No account needed.
What the role requires
Ordered by how much the job depends on it. The bar is the proficiency expected of a competent smart contract developer — not mastery, and not a passing acquaintance.
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Solidity
Essential
Writes, tests, and deploys production smart contracts.
Strong -
Ethereum Virtual Machine (EVM)
Essential
Optimizes gas usage and understands opcode-level execution.
Strong -
Hardhat
Essential
Manages local development, testing, and deployment scripts.
Strong -
OpenZeppelin Contracts
Important
Implements secure, audited token and access control standards.
Strong -
Smart Contract Security Auditing
Important
Identifies reentrancy, overflow, and access control vulnerabilities.
Strong -
JavaScript/TypeScript
Important
Writes comprehensive unit tests and deployment scripts.
Strong -
Foundry
Useful
Uses fuzz testing and symbolic execution for contract verification.
Working -
ERC Standards (20, 721, 1155)
Useful
Builds fungible and non-fungible token contracts correctly.
Strong
An order worth learning it in
A list of ten skills is the same unhelpful answer a catalogue gives, just sorted. This is where to actually start.
Start here
Essential to the role, and reachable from a standing start. Everything below rests on these.
- Ethereum Virtual Machine (EVM)
- OpenZeppelin Contracts
- Smart Contract Security Auditing
- JavaScript/TypeScript
Then this
The rest of what the role is assessed on. Harder, and it builds on the foundation above.
- Solidity
- Hardhat
What sets you apart
Not what gets you hired, but what separates doing the job from being trusted with it.
- Foundry
- ERC Standards (20, 721, 1155)
You almost certainly have some of this already.
That is the point of starting from the role rather than a course. Upskili checks what you can do, then builds a path across only the gap.
See my path to smart contract developer