Senior Blockchain Engineer (Solidity)

<p><strong>Please note:</strong> as a remote-first company, we are prepared to conduct all of our recruitment processes remotely.</p><p>Have you ever wanted to work as a DeFi developer in a professional team with international clients? If you already have some experience with Solidity or Vyper, it is a great opportunity for you to take a big step further and advance your career!</p><p>Our expectations are that you will be passionate about what you do and want to catch up with the latest trends in crypto industry - if you feel confident enough then don’t hesitate to apply and we will see you in the Clouds!</p><h3>Your role and responsibilities<br/> </h3><ul> <li>Architecting and implementing the blockchain solutions we build</li> <li>Working with the team, client and project manager to efficiently deliver projects</li> <li>Translating business needs to technical solutions and communicating with the client</li> <li>Supporting pre-sales team with your expertise, participating in workshops with potential clients, estimating projects</li> <li>Supporting other team members (backend/frontend/mobile/qa/etc) with blockchain expertise and advisory</li> <li>Tech interviews with potential employees and helping to build teams appropriate for given projects</li> <li>Maintaining internal knowledge and know how</li> <li>Writing smart contracts in Solidity / Vyper for EVM compatible blockchains</li> </ul><p><strong>Requirements</strong></p><h3>What you bring to the table</h3><ul> <li>5+ years of experience in programming / 2+ years of Solidity/Vyper development</li> <li>English at least B2, C1 preferred</li> <li>Familiarity with EVM compatible blockchains</li> <li>Knowledge of tools of the trade (e.g. Hardhat/Brownie/DappTools)</li> <li>Deep knowledge about blockchain security and best practices writing decentralized code</li> <li>Knowledge and experience working with existing popular DeFi protocols and their forks (DEXes - like Uniswap V2/V3 or Balancer, borrowing/lending protocols - like Compound or AAVE, yield farming protocols - like Yearn)</li> <li>Ability to design and implement architecture for new DeFi products (utilizing knowledge of AMMs, liquidations, bonding curves, liquidity mining, tokenomics design and building incentivisation frameworks)</li> <li>Ability to write unit tests and maintain high quality of test coverage</li> </ul> <h3>It’s great if you also have</h3><ul> <li>Experience as a Team Lead</li> <li>Polish language skills</li> <li>Experience with Python, Node.JS or JavaScript</li> <li>Knowledge of Docker</li> <li>Experience with web3.py / ethers.js</li> <li>Good understanding of ABI specification</li> <li>Hands-on experience with crypto wallets, exchanges, bridges and bots</li> <li>Experience with solutions like TheGraph, IPFS, ChainLink, Keep3r, Gelato</li> <li>Hands-on experience with protocols or forks of Alchemix, Abracadabra, Olympus or Tokemak</li> <li>ZK-Proof, Decentralized identifiers</li> </ul><p><strong>Benefits</strong></p><h3>What you can expect from us</h3><ul> <li>Salary depending on your skills and experience <strong>PLN 20 000 - 30 000 net + VAT</strong> <strong>on a B2B contract </strong>with a minimum of 20 days of paid time off (alternative forms of employment are also possible)</li> <li>All necessary equipment such as laptop, additional monitor and accessories</li> <li>Flexible working hours</li> <li>You can work 100% remotely or in one of our offices (<a href="https://www.google.com/maps/place/CIC+Warsaw/@52.2283692,20.9951834,17z/data=!3m1!4b1!4m5!3m4!1s0x471ecd3d5efb088b:0x5ef44626a271e8ef!8m2!3d52.2283692!4d20.9973774" rel="nofollow noreferrer noopener">Warsaw,</a> <a href="https://www.google.com/maps/place/Green2Day/@51.113351,17.0498354,17z/data=!3m1!4b1!4m5!3m4!1s0x470fe9d6a38e2deb:0x1ccff0422bf8a169!8m2!3d51.113351!4d17.0520294" rel="nofollow noreferrer noopener">Wroclaw</a>, <a href="https://www.google.com/maps/place/Maraton+Business+Center/@52.3989947,16.9291477,17z/data=!3m1!4b1!4m5!3m4!1s0x47045b3ce7aa2ca1:0x20ef9759ac5713a8!8m2!3d52.3989947!4d16.9313417" rel="nofollow noreferrer noopener">Poznan</a>)</li> <li>Private healthcare (employee’s package covered by the company)</li> <li>Educational budget - you may receive up to 1 000 PLN for an educational initiative of your request</li> <li>Additional grant for more advanced educational projects (given twice a year for more than 1 000 PLN)</li> <li>Multisport card and other benefits of your choosing from the <a href="https://pxlme.me/MyBenefit" rel="nofollow noreferrer noopener">MyBenefit cafeteria system</a> </li> <li>Co-financing of English &amp; Polish classes</li> <li>Mental health support on <a href="https://wellbee.pl/" rel="nofollow noreferrer noopener">Wellbee</a> platform</li> <li>Individual career path and professional development initiatives</li> <li>Regular performance reviews (twice a year)</li> <li>Co-financing of team building initiatives (remote and offline)</li> <li>Events organized by 10Clouds - <a href="h