Solidity Developer

IntellectEUis an international technology company focused on digital finance and emerging technologies. At IntellectEU we are on a mission to become the top-of-mind fintech company. We are committed to our people and believe in building a better future with the newest technologies. We give rising talent and industry veterans the space to explore launch ideas and collaborate closely with our clients. With our technical hands-on experience in payments blockchain and capital markets theres no challenge thats left unsolved. Over the past two decades we have earned our expertise in financial technology executing on hundreds of complex integrations and co-creating new digital asset platforms alongside our clients.

Type of cooperation - on-site Manassas (Virginia)

Responsibilities:

• Design build and deploy distributed ledger technology (DLT) solutions and smart contracts using Solidity Java and REST APIs.
• Implement secure transaction logic using cryptographic techniques to protect digital assets and prevent unauthorized access.
• Research develop and implement various blockchain protocols and consensus algorithms.
• Collaborate with Product Owners and technical teams to gather requirements and define technical solutions.
• Integrate blockchain solutions with enterprise systems databases and APIs.
• Analyze and troubleshoot system performance network issues and blockchain transaction problems.
• Develop documentation and technical specifications for blockchain implementations.
• Contribute to continuous improvement DevOps practices and operational support.
• Work with AWS deployment environments and infrastructure tools.
  
  

Requirements:

Must have

• Solid foundation in smart contracts development and relevant technologies (Solidity Typescript Viper etc).
• Knowledge of smart contract dev tools/frameworks - foundry hardhat openzeppelin libraries (Upgradeable contracts proxy patterns)
• Knowledge of smart contract security aspects (re-entrance attack Race conditions Integer overflow/underflow Denial of service etc).
• Experience with Solidity security testing tools like Slither Mythril and Echidna
• Production experience with EVM-based blockchain applications.
• Familiarity with basic cryptography and P2P networks.
• Experience with or and crypto wallets like MetaMask or MEW.
• Understanding of RESTful web services design.
• Understanding of the modern development ecosystem: Git CI/CD and automated testing.

Nice to have

• Experience with Hyperledger Besu
  
• Proficiency with databases such as MySQL Oracle and MongoDB.
• Knowledge of Level 2 scaling technologies
• Experience with implementing ERC20 and ERC721 or IERC1155 contracts.
  
  

We guarantee:

• International experience in a stable company: the company has offices in Antwerp Lisbon Krakow Kyiv New York and operates on the market for over 15 years.
• A passionate team in an innovative casual positive and open work environment ready to meet your new ideas.
• Great opportunities for personal and professional development as well as the chance to change the way the business works in the financial world.

Join us to make an impact on the entire financial world!

Required Experience:

Manager