Coinhaven Jobs

There is 1 Web3 Job at Coinhaven

Receive emails of Coinhaven Jobs
Job Position Company Posted Location Salary Tags


Berlin, Germany

$34k - $48k

Smart Contract Developer Solidity Developer

$34k - $48k

This job is closed

Coinhaven GmbH is a financial technology company with a vision to synergize traditional banking and cryptocurrency to improve global financial inclusion. Backed with Venture Capital money the company is on a growth course this year and is therefore looking for reinforcement in the team with a SOLIDITY DEVELOPER. We’re looking for a Layer 2 experienced Blockchain engineer to help us bring the benefits of Ethereum to millions more people.


  • 5+ years as a software engineer.
  • 2+ years experience developing top tier smart contracts on mainnet.
  • Deep understanding of Solidity, WEB3 JS, Truffle and the EVM.
  • An eye for security with a strong knowledge of the main smart contract attacks and vulnerabilities.
  • Writing code that’s clean, easy to audit, yet efficient in terms of deployment, execution and maintenance.
  • Experience with smart-contract patterns such as upgradability, proxy wallets, meta-transactions, and counterfactual deployment.
  • Good knowledge of the L2 ecosystem..
  • Having excellent Teamwork and Communication skills.
  • Being an active member of the dev community.
  • Ability to work well with design, mobile platform and Backend teams.
  • Enjoys working on unfamiliar problems, challenging others and being challenged in turn.


  • Knowledge of Javascript or node js is a plus.
  • Knowledge of NFTs or non-fungible token


  • Create technical documentation.
  • Code Solidity smart contracts and tests according to business requirements.
  • Work with teams across time zones.
  • Perform source code management and versioning


  • Exciting insights into our technology, flat hierarchies, self-reliant work with flexible working hours and mobile working, steep learning curves as well as fun and start-up atmosphere
  • We openly share our knowledge - we are a mix of blockchain experts, technology specialists and crypto-enerened entrepreneurs.
  • An opportunity to be part of a driven and diverse team that creates a measurable impact on the future of the crypto space.
  • An open and welcoming company culture, empowers you to grow and develop freely.
  • A direct influence on our company and our products - we value your ideas and your input

Type of position: Full-time, permanent position