We are hiring a Senior Blockchain Developer to design and build smart contract systems across multiple client and internal projects.
You will work on a variety of blockchain applications - from DeFi protocols to tokenized systems and Web3 platforms - ensuring high standards in security, scalability, and architecture.
This is a senior-level, hands-on role with exposure to multiple products and industries.
- Design, develop, and deploy smart contracts using Solidity
- Implement token standards (ERC-20, ERC-721, ERC-1155) and custom logic
- Build and maintain contract architectures across multiple projects
- Ensure security, audit readiness, and upgradeability
- Optimize gas usage and performance
- Collaborate with backend and frontend teams for integrations
- Participate in code reviews and technical decision-making
- Contribute to documentation and internal best practices
- 4+ years of experience in blockchain / smart contract development
- Strong expertise in Solidity and EVM-based ecosystems
- Experience with Ethereum and L2s (Polygon, Arbitrum, Optimism)
- Solid understanding of smart contract security and vulnerabilities
- Experience with Hardhat, Foundry, or similar frameworks
- Strong software engineering fundamentals (testing, Git, CI/CD)
- Ability to work across multiple projects and adapt quickly
- Experience with DeFi protocols, staking, or token economies
- Experience working with auditors or security reviews
- Familiarity with upgradeable contracts (proxy patterns)
- Backend experience (Node.js / TypeScript)
- Experience in client-facing or consulting environments