Layer 1 Blockchain Developer

• Design and implement blockchain protocol features including consensus algorithms, block validation, and transaction processing
• Develop networking protocols for peer-to-peer communication and block propagation
• Build and maintain blockchain node software, storage, and indexing systems
• Implement cryptographic primitives and optimize blockchain performance for high throughput

• Design scalable architecture for high transaction volume blockchain infrastructure
• Implement database systems for blockchain state management and historical data storage
• Develop comprehensive testing frameworks and security measures at the protocol level
• Perform code reviews, security audits, and monitor network vulnerabilities
• Create APIs, developer tools, and documentation for protocol integration

• 5+ years of systems programming experience in Rust, Go, C++, or similar low-level languages
• 3+ years of blockchain development experience with deep understanding of blockchain fundamentals
• Proven experience contributing to Layer 1 blockchain protocols (Ethereum, Bitcoin, Solana, Cosmos, etc.)
• Expert knowledge of consensus algorithms (PoW, PoS, BFT) and distributed systems
• Strong background in networking protocols, cryptographic principles, and peer-to-peer systems

• Comprehensive understanding of blockchain architecture, transactions, and state management
• Experience with virtual machines, execution environments (EVM, WASM), and different blockchain models
• Proficiency in database optimization, network programming, and performance testing
• Experience with testing frameworks, continuous integration, and DevOps practices
• Bachelor's degree in Computer Science or related field with strong analytical skills
• Fluent in Vietnamese and English. Chinese is a Plus

• Work alongside & learn from best in class talent
• Flexible working options
• Attractive salary & benefits

OORTech