Backend Engineer at dappOS

Job Description

Key Responsibilities

• Design and implement blockchain backend architectures that support high-throughput and low-latency operations
• Develop and maintain core blockchain services including consensus algorithms, transaction processing, and node management
• Optimize distributed systems for scalability, security, and fault tolerance in blockchain environments
• Collaborate with cross-functional teams to integrate blockchain solutions with existing enterprise systems
• Conduct technical research on blockchain protocols, cryptographic algorithms, and consensus models
• Participate in technical community events, contribute to open-source blockchain projects, and share knowledge with peers
• Ensure the reliability and performance of blockchain infrastructure through rigorous testing and debugging
• Develop documentation for blockchain system design, API specifications, and technical implementation details
• Monitor and analyze blockchain network performance to identify and resolve bottlenecks
• Work with DevOps teams to deploy and maintain blockchain applications in production environments

Job Requirements

• Advanced proficiency in Go programming language with 5+ years of industry experience
• Deep understanding of blockchain architecture, including consensus mechanisms (PoW/PoS/PBFT), smart contract development, and distributed ledger technologies
• Experience with blockchain platforms such as Ethereum, Hyperledger Fabric, or Solana
• Strong background in designing and implementing scalable backend systems with RESTful APIs and gRPC services
• Knowledge of cryptographic protocols, including symmetric/asymmetric encryption and digital signatures
• Ability to analyze complex blockchain networks and optimize performance for enterprise applications
• Excellent communication skills to collaborate with technical and non-technical stakeholders
• Experience with containerization technologies (Docker) and cloud platforms (AWS, Azure, GCP)
• Proficiency in version control systems (Git) and agile development methodologies
• Strong problem-solving skills with a focus on system architecture and technical innovation
• Preferred experience with cross-chain technologies, blockchain security frameworks, and blockchain analytics tools
• Ability to work independently and lead technical initiatives in a fast-paced environment
• Excellent written and verbal communication skills for technical documentation and presentations
• Knowledge of blockchain scalability solutions such as sharding, layer-2 protocols, and state channels