Blockchain Backend Engineer (Java)

🧾 Position Summary

Title: Backend Engineer (Java) – Blockchain

Location: Taipei, Taiwan (Remote)

Seniority: Senior (6+ years experience required)

Focus: Wallet backend + public chain integration

🧠 Key Responsibilities

• Develop blockchain wallet products and services
• Integrate public blockchains (e.g. Ethereum, Bitcoin, etc.)
• Optimize for performance, stability, and scalability
• Handle incident troubleshooting, code refactoring, and system optimization
• Collaborate across teams to deliver high-availability backend systems

✅ Core Requirements

• 6+ years backend development (Java)
• Strong experience with:
• Spring Boot / Spring Cloud
• MyBatis, Kafka, Redis, MySQL, Tomcat
• Tools: IntelliJ IDEA / Eclipse, Git, Maven
• Deep understanding of:
• JVM internals, I/O, concurrency/threading
• High-concurrency systems (desirable)
• Strong debugging and troubleshooting skills
• Proficient in English & Mandarin for internal and external collaboration

➕ Preferred Qualifications

• Knowledge of blockchain systems:
• Bitcoin, Ethereum, EOS, Hyperledger, etc.
• Experience integrating blockchain nodes or SDKs into applications
• Experience in:
• AI/ML-related projects (bonus, not required)
• High-performance, distributed systems
• Understanding of cryptographic concepts, wallets, or transaction signing is a plus

🧭 Why This Role Matters

• Binance is handling real-time, high-value transactions — the backend must be ultra-reliable and scalable
• You’d be working on core wallet infrastructure, the foundation of crypto platforms
• Exposure to public chain integrations — essential for any engineer aiming to specialize in Web3/backend blockchain
• Remote flexibility and global collaboration with engineering teams at scale