Blockchain developer

Core Blockchain Developer with 4+ years of experience specializing in protocol-level development and customization. Strong expertise in working with Ethereum forks, building and modifying blockchain architectures, and implementing advanced cryptographic solutions.

Key Responsibilities:

• Review, refactor, and enhance the existing blockchain codebase for scalability, maintainability, and security
  
• Work on Ethereum forks and protocol-level customization, including modifying consensus, gas logic, or transaction flows
  
• Implement Zero-Knowledge Proof (ZK Proof) solutions to enable privacy-focused transactions
  
• Build and maintain custom blockchain explorers and internal tooling for monitoring and analytics
  
• Integrate smart contracts with backend systems, APIs, and trading engines
  
• Set up, configure, and maintain Ethereum (Geth/Nethermind) and Bitcoin (Bitcoin Core) full nodes
  
• Optimize smart contracts for gas efficiency and performance
  
• Designing and deploying private and secure transaction systems
  

Requirements

• 4+ years of experience as a Core Blockchain Developer
  
• Strong expertise in Solidity and deploying contracts on Ethereum mainnet/testnets
  
• Proven experience with Ethereum forks and blockchain customization
  
• Hands-on experience implementing or integrating Zero-Knowledge Proofs (ZK Proofs)
  
• Experience building or maintaining custom blockchain explorers
  
• Solid understanding of blockchain internals (consensus mechanisms, transaction lifecycle, gas optimization)
  
• Experience with smart contracts, node customization, and blockchain infrastructure
  

Benefits