
Blockchain Engineer
1 day ago
About the Roley
We are looking for a passionate and experienced Blockchain Engineer to join our team. In this role, youll design, develop, and maintain blockchain-based solutions that are scalable, secure, and high-performing. You will work closely with other engineers, product managers, and stakeholders to shape the future of decentralized technologies within our organization.
Key Responsibilities
- Design and develop smart contracts using Solidity, Rust, or other blockchain languages.
- Architect and build decentralized applications (dApps) on blockchain platforms like Ethereum, Solana, Polkadot, Hyperledger, etc.
- Integrate blockchain protocols with front-end applications and backend services.
- Maintain and upgrade existing blockchain systems and infrastructure.
- Ensure the performance, quality, and responsiveness of applications.
- Conduct security audits and mitigate smart contract vulnerabilities.
- Stay updated on blockchain trends, tools, and technologies.
- Collaborate with product and design teams to deliver end-user functionality.
Required Skills & Qualifications
- Bachelors or Masters degree in Computer Science, Engineering, or a related field.
- Solid experience with blockchain protocols (Ethereum, Solana, BNB Chain, etc.).
- Hands-on experience with Solidity, , , or Rust.
- Strong understanding of smart contracts, cryptographic principles, and token standards (ERC-20, ERC-721, ERC-1155).
- Proficiency in backend technologies such as , Go, Python, or Java.
- Familiarity with development tools like Truffle, Hardhat, Ganache, Remix, etc.
- Understanding of Layer 1 and Layer 2 scaling solutions.
- Knowledge of blockchain consensus mechanisms (PoW, PoS, DPoS, etc.).
- Experience working with APIs, RPCs, and GraphQL in the blockchain context.
- Experience with version control (Git), CI/CD, and DevOps practices.
Preferred Qualifications
- Experience with DeFi, NFTs, or DAO development.
- Contributions to open-source blockchain projects.
- Experience with off-chain storage (IPFS, Arweave) and oracles (Chainlink, Band).
- Knowledge of cryptography, zero-knowledge proofs (zk-SNARKs, zk-Rollups), and privacy-preserving technologies.
- Familiarity with testing and auditing tools (MythX, Slither, Echidna).
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