Backend Software Engineer (Blockchain Analytics)

📋 Description

• Design, develop, and operate backend systems that power blockchain analytics, attribution, and risk intelligence products
• Build scalable, high-throughput services to process and serve large volumes of on-chain data, including transactions, addresses, entities, and relationships
• Implement backend components supporting address clustering, entity resolution, and transaction graph analysis
• Collaborate closely with data scientists, analysts, and product teams to productionize analytical models and heuristics
• Design APIs and internal services that expose blockchain intelligence to downstream applications and customers
• Improve system reliability, performance, and maintainability through thoughtful architecture and continuous optimization

🎯 Requirements

• Bachelor’s degree or above in Computer Science, Engineering, or a related field
• 3+ years of backend development experience using Java
• Strong experience with Spring / Spring Boot / Spring Cloud in production environments
• Solid understanding of backend infrastructure and data stores, including relational databases (MySQL, PostgreSQL), caching systems (Redis), and messaging systems (Kafka)
• Strong understanding of blockchain fundamentals, such as public blockchain data structures (blocks, transactions, addresses), UTXO vs account-based models, and on-chain data ingestion and normalization
• Ability to work effectively in a data-heavy, problem-driven environment
• Strong English communication skills, both written and spoken
• Working proficiency in Chinese to collaborate with regional stakeholders

🎁 Benefits

• Work-from-home arrangement (the arrangement may vary depending on the work nature of the business team)
• Opportunities for career growth and continuous learning
• Flat organizational structure