Senior Blockchain Developer

We need an experienced Solidity developer for our web3 agency. You'll build smart contracts for client projects. You'll be the blockchain expert on each project.

What You'll Do

Write smart contracts

on EVM chains (Ethereum, Polygon, BSC, etc.) for tokens, trading platforms, and DeFi apps

Write tests and deploy scripts

to make sure contracts work correctly and safely

Build tools

to interact with and manage smart contracts

Write clear documentation

for technical teams and users

Work with other developers

- backend, frontend, and designers - to build complete applications

Lead the blockchain work

as the only smart contract developer on projects

Who You Are

Must Have:

Know smart contracts deeply

- you understand the EVM, common security issues, gas optimization, and best practices

Strong Solidity skills

with real projects you can show us

Know DeFi basics

- tokens (ERC20, ERC721, ERC1155), DEXes, liquidity pools, staking, or other financial tools

Know how to test

- you write thorough test suites (Hardhat, Foundry, or similar tools)

Nearly full-time availability

- you can work 30-40 hours per week when projects are active

Work independently

- you're comfortable working on your own while staying connected with the team

Nice to Have:

Experience with Solana (Rust/Anchor) or other chains (Move, Func, etc.)

Security audit experience or security training

Contributions to open source web3 projects

Agency or client work experience

How You'll Work

Freelance contractor

- paid per project at a fixed price

Project-based

- busy during active projects, quieter between projects

Work remotely

- from anywhere, with some overlap for team calls

Talk to clients

sometimes

Why Join Us

Work on different types of web3 projects

Team up with skilled developers and designers

Build your portfolio with real applications

Good pay for your work

Freelance flexibility with steady project flow

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