Solidity Developer

Full-Time
Part-Time
Prague
Brno
Remote

At CleevioX, we build real Web3 products - trading platforms, (AI-powered) Telegram bots, games, mobile apps, and more. No hype, no fluff - just useful applications with millions of users running on Ethereum, Solana, Sui, and other blockchains. If you're passionate about back-end development, enjoy solving complex problems, and love being part of an industry that never sleeps, let's talk.

Ready To Join?

Is this you? We hope so!

  • You know Solidity development very well,
  • You have a deep understanding of web3,
  • You have drive and are eager to learn new things,
  • You can build applications from scratch (no legacy code here!),
  • You want to work on innovative projects with a focus on high-quality code,
  • You are independent, but still a team player.

Matched with our requirements?

Take a closer look.

What you will be doing:

  • Design, develop, and deploy smart contracts in Solidity (Ethereum, EVM-compatible chains)
  • Implement and optimize DeFi protocols (staking, liquidity pools, tokens, vesting)
  • Collaborate with FE and BE teams on integrating smart contracts into applications
  • Write tests (Hardhat, Foundry) and simulate edge-case scenarios
  • Optimize gas fees and ensure code auditability
  • Stay up to date with EVM innovations and best practices

Why
‍CleevioX

Our benefits are hard to beat.
Like the sound of these?

01

Friends for life

We're not just teammates, we're a work family. Make memories that will last a lifetime.
02

Great work rewarded

A highly competitive salary is a given. Success fees and bonuses? Icing on the cake.
03

Get better every day

English courses every week and if you find a great book, conference or course - we'll pay for it!
04

Exceptional projects grow exceptional skills

Work for first class clients, use the latest and greatest tech – and be the one who invents it!
05

Working with a relaxed vibe

With coffee and snacks within reach, homemade breakfasts three times a week and regular teambuildings.

Apply Now!

You can either fill in the form on the right or contact us directly at jakub.zizka@cleevio.com.
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Let ’s discuss

your next big thing

Ondřej Macháček
CEO
Let’s talk